SciFi-XZBT/sound_reference.md

Real-World Sound Reference

Source material for deciding what each preset should sound like. This is a reference about the shows, not about this codebase — but every section ends by naming the synth element that already covers the sound, so it can be read straight across into js/config.js.

Nothing here proposes removing an existing element. The current elements catalogued in telemetry_elements.md are the baseline; this document maps them to their real counterparts and identifies what is missing, not what is wrong.

Scope: Star Trek (five eras the telemetry router already knows), Doctor Who / The Whoniverse, the six ships grouped under this app's bioships universe, and the six stations grouped under spacestations. Other universes are a later pass.

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Confidence levels

There is no single authoritative catalog of Star Trek sound effects by ship and room. What exists is production history (interviews, obituaries, trade press), fan-maintained sound archives organized by category, and the shows themselves. Every claim below carries one of these markers. Do not promote a claim to a higher level without a source.

Level	Meaning
[DOC]	Documented in a cited production source — an interview, trade article, or credited account.
[OBS]	Directly observable by listening to the episodes or an archive file. Verifiable by anyone, but not documented as a production decision.
[ATT]	Widely attested in fan documentation and consistent across sources, but without a primary production citation.
[GAP]	Not yet established. Listed so it is visible, not filled in with a guess.

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Layer mapping

Real production sound categories map onto this app's four audio layers as follows. This is the translation table between "what the show did" and "what we can synthesize".

Show category	App layer	Notes
Room tone / set ambience	hull (HullDroneSynth)	The low continuous bed. Per-room variation lives almost entirely here.
Engine / warp core	warp (WarpCoreSynth)	Rhythmic pulse. Five pulseShape variants already exist.
Air handling / life support	lifeSupport (LifeSupportSynth)	Filtered noise with slow airflow modulation.
Computer beeps, chirps, relays, sweeps	telemetry (TelemetrySynth)	The discrete chatter layer.
Klaxons, alerts	AlertSynth	Separate layer, event-triggered.
Doors, turbolifts, transporters, comms	TelemetrySynth (manual) / soundboard	One-shots, not part of the ambient bed.
Phasers, torpedoes, explosions	out of scope	This is an ambient display, not a combat simulator.

Categories with no home yet — turbolift, transporter, replicator, forcefield, holodeck, tricorder, viewscreen — are noted in the gap list at the end.

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TOS — The Original Series

Production context [DOC]: Sound effects were built by Douglas Grindstaff, working from Paramount and Desilu library material, personal collections, and Paramount's 1953 War of the Worlds. Gene Roddenberry's direction to him was to "think like an artist and paint everything with sound," and he insisted each visited planet carry its own distinct audio signature — built from variations of an orchestra tuning up. The transporter effect blended musical effects with electric generator recordings, with fades cut by hand using a razor blade on magnetic tape at a Moviola.

Ambience bed

Element	Character	Confidence
Bridge room tone	Constant low hum with a persistent layer of electronic computer chatter riding on top — the chatter is nearly continuous rather than occasional, which is the defining TOS trait.	[OBS]
Engine room	Heavier, more mechanical, with a pronounced oscillating thrum.	[OBS]
Quarters	Quieter, less chatter, hum dominant.	[OBS]

Covered by: hull with low baseFreq and low filterCutoff; warp with pulseShape: 'tos', whose comment already describes an "electromechanical oscillating engine thrum."

Discrete sounds

Sound	Character	Existing element	Confidence
Computer warble	Wavering, unstable analog tone; reads as a machine thinking.	TOS Computer Warble — already a close match (detuned tri+saw under a 14–22 Hz vibrato LFO through a bandpass).	[OBS]
Relay / solenoid click	Sharp mechanical snap, no pitch.	TOS Relay Click	[OBS]
Bosun's whistle	Rising-falling two-tone whistle preceding shipwide announcements.	none — gap	[ATT]
Red alert klaxon	Harsh oscillating buzzer, closer to a hooter than a tone.	AlertSynth.synthesizeTOSRedAlertCycle	[OBS]
Door	Pneumatic swish, softer and more mechanical than TNG's.	none — gap	[OBS]

Assessment: TOS is the best-served era in the app already. The two telemetry elements are era-appropriate and the density is right — TOS should run at higher telemetry density than TNG, because the chatter is near-continuous rather than punctuating.

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TNG — The Next Generation

Ambience bed

Element	Character	Confidence
Bridge room tone	Warm, smooth, low-frequency hum. Deliberately calmer and less busy than TOS — the 24th century sounds settled.	[OBS]
Main Engineering	The warp core dominates: a slow, deep, multi-stage pulse with a reverberant bloom. The single most recognizable ambience in the franchise.	[OBS]
Crew quarters	Muffled, heavily damped, warp core barely present.	[OBS]
Corridor	Between bridge and quarters; some air handling.	[OBS]
Sickbay	Quieter, with intermittent medical monitor tones.	[OBS]

Covered by: pulseShape: 'tng' already implements a four-stage envelope with a secondary harmonic bloom, which is the correct shape.

Discrete sounds

Sound	Character	Existing element	Confidence
LCARS touch tone	Short, soft, musical sine blip. Panel interaction.	LCARS Single Chirp	[OBS]
LCARS confirmation	Two tones, second higher — acknowledgment.	LCARS Double Chirp	[OBS]
LCARS data sequence	Three or more tones in quick succession.	LCARS Acknowledgment Sequence	[OBS]
Door chime	Two-tone, rising fourth. The "come in" chime.	TNG Door Chime	[OBS]
Door open	Soft pneumatic swish.	none — gap	[OBS]
Red alert klaxon	Three-tone descending pattern, urgent but musical.	AlertSynth.synthesizeTNGRedAlertCycle	[OBS]
Yellow alert	Softer single chime, repeating.	AlertSynth.synthesizeYellowAlertCycle	[OBS]
Comm chirp	The tap-badge tone before speech.	none — gap, and a strong candidate	[OBS]
Turbolift	Rising whoosh with a settling tone.	none — gap	[OBS]
Transporter	Shimmering rise or fall over ~3 s.	none — gap	[OBS]
Replicator	Short shimmer, transporter-adjacent but briefer.	none — gap	[OBS]

Sound team [GAP]: TNG's supervising sound editors and the specific attribution for the LCARS tone set are not established here. The series won multiple sound editing Emmys and the credits are a matter of record; this document should not name individuals until that is checked against a primary source.

Assessment: The best-covered era for telemetry. The clearest single gap is the comm badge chirp — arguably the most recognizable discrete sound in all of TNG and currently absent.

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DS9 — Deep Space Nine

The key structural fact: DS9 is a Cardassian-built station (originally Terok Nor), not a Starfleet ship. Its native systems sound alien, and Starfleet equipment installed aboard sounds like Starfleet — the two coexist, which is why the era's current 50/50 split between the Cardassian Sensor and the LCARS Single Chirp is defensible rather than accidental. [ATT]

Ambience bed

Element	Character	Confidence
Ops	Deeper, more resonant and more cavernous than a Starfleet bridge; a heavier industrial bed.	[OBS]
Promenade	Open, echoing public space with crowd presence — distinct from any shipboard room tone.	[OBS]
Habitat ring / quarters	Enclosed, low, mechanical.	[OBS]
Defiant	Cramped warship: tighter, more aggressive, faster core pulse.	[OBS]

Covered by: pulseShape: 'defiant' (tight attack, rapid decay) — already the most-used pulse shape in the config at 15 presets.

Discrete sounds

Sound	Character	Existing element	Confidence
Cardassian computer tone	Resonant, metallic, unresolved — dissonant rather than musical.	Cardassian Sensor Tone (sine pair a tritone apart)	[OBS]
Cardassian door	Heavy, grinding, mechanical — nothing like a Starfleet swish.	none — gap, high character value	[OBS]
Starfleet overlay	LCARS tones from installed Federation equipment.	LCARS Single Chirp	[OBS]

Assessment: The Promenade has no equivalent anywhere in the app — it is the one Trek location whose defining quality is crowd, not machinery. Worth noting as a design question rather than a synth gap.

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VOY — Voyager

Ambience bed

Element	Character	Confidence
Bridge	Crisper and cleaner than TNG; higher-frequency content, more air.	[OBS]
Engineering	Class-9 warp core: faster and sharper than the Galaxy-class pulse, higher resonance.	[OBS]
Astrometrics	Open, quiet, with sensor sweep activity.	[OBS]

Covered by: pulseShape: 'voyager' — faster peak (20% vs TNG's 28%), higher filter excursion. Correct.

Discrete sounds

Sound	Character	Existing element	Confidence
LCARS tones	Same family as TNG, slightly brighter.	LCARS Double Chirp	[OBS]
Long-range sensor sweep	Gliding tone, up or down.	Sensor Sweep	[OBS]
Bio-neural gel pack	No distinctive recurring sound established.	—	[GAP]

Assessment: Well covered. The current 60/40 Double Chirp / Sensor Sweep split is a reasonable read of the era.

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ENT — Enterprise (NX-01)

The design brief across all departments was a ship closer to present-day technology than to the 24th century — the NX-01 reads as a submarine or a research vessel rather than a starship. [ATT]

Ambience bed

Element	Character	Confidence
Bridge	Mechanical, more present machinery noise, less smooth than TNG.	[OBS]
Engineering	Reactor chug rather than a magnetic pulse; heavier, more industrial.	[OBS]
Quarters	Audible ventilation; the ship is never silent.	[OBS]

Covered by: pulseShape: 'nx' — described in the code as a "reactor chug", which is the right instinct.

Discrete sounds

Sound	Character	Existing element	Confidence
Hydraulic relay	Heavy, dull mechanical thunk.	NX Hydraulic Relay	[OBS]
Indicator beep	Plain utilitarian beep, no musical intent.	NX Indicator Beep	[OBS]
Door	Manual-feeling, mechanical, slower than later eras.	none — gap	[OBS]
Comm	Rougher and more radio-like than the TNG badge chirp.	none — gap	[OBS]

Assessment: Correctly characterized. The deliberate plainness of the NX telemetry is the point — resist any temptation to make these more musical.

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Star Trek existing element retention map

Every current telemetry element and its real counterpart. All ten are era-appropriate and none should be removed.

Existing element	Real counterpart	Verdict
LCARS Single Chirp	TNG/VOY panel touch tone	Keep — accurate
LCARS Double Chirp	TNG/VOY confirmation tone	Keep — accurate
LCARS Acknowledgment Sequence	TNG multi-tone data run	Keep — accurate
Sensor Sweep	Long-range sensor glide	Keep — accurate
TOS Computer Warble	TOS computer chatter	Keep — strong match
TOS Relay Click	TOS mechanical relay	Keep — accurate
Cardassian Sensor Tone	Terok Nor native systems	Keep — strong match
NX Hydraulic Relay	NX-01 mechanical systems	Keep — accurate
NX Indicator Beep	NX-01 indicator	Keep — accurate
TNG Door Chime	Door annunciator	Keep — accurate; consider adding to the tng scheduler at low weight

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Star Trek gap list

Ranked by how much each would add, given what already exists.

#	Sound	Era(s)	Why it matters	Difficulty
1	Comm badge chirp	TNG, VOY	The most recognizable discrete sound in the franchise, and completely absent. Short, bright, two-part.	Low
2	Cardassian door	DS9	Heavy grinding mechanism; would give DS9 presets character they currently lack entirely.	Medium — needs noise plus resonant filter sweep
3	Door swish	TOS, TNG, VOY, ENT	Four era variants from one filtered-noise primitive with different envelopes. High reuse for low cost.	Low
4	Turbolift	TNG, VOY	Rising whoosh and settle; adds a sense of a ship in use.	Medium
5	Bosun's whistle	TOS	Distinctive and very era-specific; two-tone glide.	Low
6	Transporter	all	Iconic, but long (~3 s) and shimmer-dense — pushes past the ambient-layer duration guideline and belongs on the soundboard.	High
7	Medical monitor	TNG, VOY	Slow rhythmic tone; would make a sickbay preset viable.	Low
8	Replicator	TNG, VOY	Brief shimmer; lower value than the above.	Medium

Items 1, 3, 5 and 7 are all low-difficulty and would roughly double the discrete vocabulary.

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Star Trek open questions

Deliberately unresolved rather than guessed:

• [GAP] TNG/DS9/VOY sound editor credits and who designed the LCARS tone set. Check series credits and Emmy records against a primary source before naming anyone.
• [GAP] Whether the LCARS tones follow a deliberate musical scheme or the perceived intervals are incidental. The app assumes a fixed pitch set; that is a design choice, not an established fact about the shows.
• [GAP] Per-room ambience is characterized above by listening, not from production documentation. If a set-by-set breakdown exists it has not been located.
• [GAP] Whether TOS telemetry density should differ from TNG by default. The listening impression is that it should be substantially higher; no source confirms an intended difference.

Where to verify

• Memory Alpha's Star Trek Sound Effects page — the closest thing to a canon index, though it resists automated fetching.
• TrekCore's audio archive, organized into 19 categories including background ambient, computer, door, turbolift, red alert and warp, with per-series subdivisions. Listening to these directly is the fastest route to closing the [OBS] and [GAP] entries above.
• Episode audio itself, for per-room ambience — the only reliable source for it.

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Doctor Who — The Whoniverse

Everything in this app's whoniverse universe traces back to one source: the BBC Radiophonic Workshop, and specifically sound designer Brian Hodgson, who created the TARDIS's signature sounds in 1963. Unlike Star Trek's five distinct production eras, Doctor Who's sound identity is organized around the TARDIS console room redesigns that accompany each Doctor — which is exactly how this app's own presets are already structured (js/config.js's whoniverse universe has one preset per console room, 1st/2nd Doctors through 14th/15th).

Nothing here proposes removing an existing element. WhoniverseAudioSynth already implements eight elements, several of them explicitly modeled on the real production technique in their own code comments. This section verifies those claims against source material and identifies what's missing — not what's wrong.

Layer mapping (Whoniverse-specific)

Real sound	App layer	Notes
TARDIS interior room tone	hull (HullDroneSynth)	Continuous, present in every scene set inside the TARDIS.
Central column / time rotor pulse	warp (WarpCoreSynth)	The rising-falling column is the TARDIS's visual "engine," so it maps to the pulse layer even though nothing is propelling anything in the Trek sense.
Cloister Room / ship systems	lifeSupport (LifeSupportSynth)	Background systems hum.
Console beeps / instrument chatter	telemetry (TelemetrySynth)	Borrowed wholesale from Star Trek eras — see telemetry_elements.md.
Materialization/dematerialization, cloister bell, sonic screwdriver, etc.	WhoniverseAudioSynth (manual, soundboard)	One-shots, not part of the ambient bed — same role as doors/transporters in the Trek layer mapping.

The materialization sound ("wheeze-groan" / "vwoorp")

[DOC] Brian Hodgson created the effect in 1963 for An Unearthly Child by dragging a house key along the bass strings of a broken piano, then processing the recording through tape feedback — playing a signal into a second tape recorder that repeats it, producing a sound that seems to recede, and reversing that same technique to make it seem to approach. He layered in "little bits of white noise, little chiffs of beeps and things coming and going" on top. The conceptual hook was "the rending of the fabric of time and space" — the sound is deliberately a tearing, not a mechanical hum.

[ATT] The sound has no single official name. Fans call it the "vwoorpy" or the "wheezing, groaning" sound; there is no evidence the production ever gave it a formal name.

[DOC] — and worth knowing because it changes how you'd think about variation — the sound is explicitly not how a time machine is supposed to sound. In-universe, it results from the Doctor's TARDIS having its brakes left on; other, properly functioning TARDISes make no such sound. This licenses this app's cross-console-room variation as accurate to the fiction rather than an oversight: every console room can plausibly sound slightly different, because the "sound" was never a fixed engineering constant to begin with.

Covered by: synthesizeDematCycle / synthesizeSingleDematSwell. The code comment already cites Hodgson's technique directly and models it in three layers — a friction-scrape carrier (sawtooth through a swept bandpass filter, standing in for the scraped piano string), a sub-vortex FM groan (the "cosmic" undertone), and a 5.5 Hz flutter LFO (standing in for tape flanging). This is the single most research-grounded element in the entire codebase — the implementation isn't just era-appropriate, it's technique-appropriate.

Assessment: keep as-is. This element does not need revision; it needs recognition as the reference implementation for how a "real sound → synthesis" translation should look throughout this whole app.

The cloister bell

[DOC] In-universe, the cloister bell warns the TARDIS crew of a threat severe enough to endanger the ship itself — hull breach, vortex discontinuity, even the heat death of the universe. It's mounted in the Cloister Room but audible throughout the ship, and can be triggered automatically by the TARDIS's systems or manually from the console.

[OBS] Sonically it reads as a deep, resonant bronze bell — closer to a cathedral bell than an alarm klaxon — struck at a slow, ominous, unhurried interval that contrasts with how urgent its message is.

[GAP] No production source located for how the actual bell sound was recorded, its real strike interval, or who created it. The existing code's comment calling 3.2 s "the canonical cloister bell repetition rate" is an [ATT]-level claim at best here — it should not be read as sourced fact without a citation, even though it isn't being challenged as wrong.

Covered by: triggerCloisterBell / synthesizeCloisterStrike. The strike is built from six inharmonic partials at realistic bell ratios (fundamental, minor third, fifth, octave, and two upper strike tones) over a 108 Hz fundamental — this is a legitimate bell-synthesis model, not a guess, regardless of whether the specific interval is confirmed.

Assessment: keep as-is; the interval claim's citation is the only open item, not the sound design.

The sonic screwdriver

[OBS] A high-pitched, warbling electronic buzz/whine — mechanical rather than musical, closer to a dental drill or scanning tool than a chime.

[GAP] No production source located describing how the effect was originally created or engineered, despite searching. This is a genuine hole in the public record, not a research shortcut — treat any claim about its origin (a common one repeated informally is a kazoo or comb-and-paper source) as unverified folklore unless a citation turns up.

Covered by: synthesizeSonicScrewdriver. Dual square/sawtooth oscillators roughly a beat-frequency apart, under a fast 32 Hz vibrato, through a resonant bandpass — a reasonable synthesis of the character, independent of whether it matches the real production method.

Assessment: keep as-is; character match is solid even though the historical method is undocumented.

Other discrete sounds

Sound	Character	Existing element	Confidence
Fast-return lever	Mechanical spring-lever clack the Doctor throws to abort a landing/departure.	synthesizeFastReturn — triangle wave falling 620→95 Hz, hard clack envelope.	[ATT] — the lever is a recurring visual/mechanical prop across eras; no dedicated production sound citation found, but the clack-and-recoil character is consistent with how it's portrayed.
Demat switch / console relay	Small mechanical toggle sound for individual console actions, distinct from the full materialization cycle.	synthesizeDematSwitch — 60 ms square-wave click.	[OBS]
Telepathic circuits	The TARDIS's translation/psychic-link system — no consistent discrete sound is established on screen; it is usually implied rather than heard.	synthesizeTelepathicChime — a four-note ascending C-major arpeggio shimmer.	[GAP] — this element is a reasonable invention for something the show doesn't consistently sonify, not a documented real sound. Flagging so it isn't mistaken for a verified effect.
Time rotor column	The rising/falling central column, often shown in sync with the engine sound rather than having a distinct sound of its own.	none dedicated — folded into the demat cycle	[OBS]
Console "typewriter" / dematerialization lever throw	Physical lever-throw clunk before a materialization cycle begins.	none — gap	[ATT]

Whoniverse existing element retention map

Existing element	Real counterpart	Verdict
Demat Cycle / Single Demat Swell	TARDIS wheeze-groan (Hodgson, 1963)	Keep — the strongest research-to-synthesis match in the app
Cloister Bell / Cloister Strike	Cloister bell danger signal	Keep — sound model is sound; strike-interval citation is the only gap
Sonic Screwdriver	Sonic screwdriver buzz	Keep — character accurate; historical method undocumented
Fast-Return Lever	Fast-return spring lever	Keep — plausible, unverified against a primary source
Demat Switch	Console relay/toggle	Keep — generic and safe regardless of citation
Telepathic Chime	(no consistent on-screen sound)	Keep as a deliberate invention — worth labeling as such in-app rather than implying it's documented

Whoniverse gap list

#	Sound	Why it matters	Difficulty
1	Lever-throw clunk	A physical, tactile beat that currently has no discrete sound — precedes every materialization cycle on screen. Cheap complement to the existing demat cycle.	Low
2	TARDIS door open/close	Distinct wooden-creak-plus-latch character, unlike any Trek door sound already in the app; would give the Whoniverse universe a texture Star Trek's presets can't reuse.	Low–Medium
3	Scanner/monitor activation	The console room's viewscreen has a recognizable activation tone across several eras.	Medium
4	Console "type" input	Rapid button/lever interaction chatter distinct from Trek's LCARS chirps — currently the app reuses Trek telemetry wholesale here (see the era table in telemetry_elements.md).	Medium — this is really about giving Whoniverse its own telemetry vocabulary rather than one new element

Item 4 is the more consequential one long-term: right now every Whoniverse preset borrows a Trek-era telemetry vocabulary (TOS warbles, TNG chirps, etc.) because telemetry.era only has five Trek values to choose from. A dedicated who era — built from lever clunks, switch throws, and the console's own percussive character — would be the single biggest authenticity improvement available to this universe, bigger than any individual missing one-shot.

Whoniverse open questions

• [GAP] The cloister bell's real strike interval and who created the sound. The existing "canonical... rate" code comment should be treated as unverified until a source is found.
• [GAP] The sonic screwdriver's original production method. A commonly repeated claim (kazoo/comb-and-paper origin) surfaced in searches but with no citation strong enough to record here as fact.
• [GAP] Whether materialization sound genuinely varies by console room/Doctor in the source material, the way this app's presets already assume, or whether that's an app-level design choice dressed as canon. The in-universe "brakes left on" explanation supports the idea of variation but doesn't confirm the show varied the actual sound design by era.
• [GAP] No console-room-specific ambience breakdown was found (parallel to the missing Star Trek per-room documentation) — characterizations of "warmer" vs. "colder" console rooms in this app's presets are plausible extrapolations from the visual redesigns, not sourced audio claims.

Where to verify (Doctor Who)

• The BBC's own account of Brian Hodgson's technique (doctorwho.tv) is the best primary source located and is what the demat-cycle comment in the code already reflects accurately.
• TARDIS Wiki (tardis.fandom.com) and its mirror tardis.wiki are the closest thing to a canon index for in-universe behavior (cloister bell, vwoorpy) but do not cover sound production technique.
• BBC Sound Effects releases (e.g. BBC Sound Effects No. 19: Doctor Who Sound Effects) are a plausible source of primary audio for closing the sonic screwdriver and cloister bell [GAP] entries — not yet reviewed here.

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Bioships

Unlike Star Trek or Doctor Who, "Bioships" is not one franchise — it's this app's own category grouping six living/biomechanical ships from five unrelated sources: Farscape (Moya, Talyn), Lexx (The Lexx), Babylon 5 (Vorlon Cruiser), Stargate Atlantis (Wraith Hive Ship), and Star Trek: Voyager (Species 8472). There is no shared production history to research — each ship has its own creative team and its own answer to "what does organic technology sound like." What follows is per-ship, not per-era.

Nothing here proposes removing an existing element. As the retention map below shows, bioships currently has no bespoke synthesis of its own at all — every discrete "bio" sound in the soundboard is a relabeled element borrowed from WhoniverseAudioSynth. That is worth knowing, not fixing by force; see the assessment at the end.

Layer mapping (Bioships-specific)

Real concept	App layer	Notes
Heartbeat / vascular pulse	hull (HullDroneSynth)	The organic equivalent of engine room tone — several presets describe this explicitly (Moya: "pulsating vascular fluid circulation").
Propulsion (starburst, bio-molecular thrust)	warp (WarpCoreSynth)	Reused pulse shapes stand in for biological propulsion with no real acoustic reference to check against.
Respiration / internal atmosphere	lifeSupport (LifeSupportSynth)	Wraith hive ships' misty corridors and Lexx's "organic respiration" both map here.
Neural/telepathic activity	telemetry (TelemetrySynth)	Currently just borrowed Trek eras — see the config table below.
Discrete organic events (creaks, twitches, vocalizations)	soundboard, relabeled WhoniverseAudioSynth calls	No ship-specific synthesis exists; see below.

Ship-by-ship

Moya — Farscape (Leviathan transport)

[DOC] Series creator Rockne S. O'Bannon's explicit design brief was that Moya's interior should be "suggestive of organic, but I didn't want it to give the sense that when people walked down the passageway you'd hear a squishing sound." This is a real, citable production constraint, and it cuts directly against the wettest, most visceral reading of "organic ship."

[ATT] Moya is a Leviathan transport vessel — a living, sentient, bio-mechanical being, not merely a ship shaped like an organism. Her pilot (Pilot) is neurally bonded to her, with nerve endings that grow together over time; an artificially rushed bond causes "a great deal of pain" from mismatched nerve endings.

[ATT] Starburst — the Leviathans' faster-than-light escape mechanism — is described as an energy buildup that surges through the pilot's den and around the pilot before releasing across the hull, tearing a dimensional rift. Its unpredictability is explicitly called biological in nature, and hasn't been replicated by any non-Leviathan ship.

Covered by: preset bio-moya (hull volume 0.75, low 45 Hz base, pulseShape: 'tng' at a slow 38 bpm — a heartbeat-like rate, not an engine rate). The slow bpm choice is a reasonable synthesis decision even without a documented real tempo to check it against.

Talyn — Farscape (Leviathan-Gunship hybrid)

[ATT] Talyn is Moya's offspring, genetically and technologically altered into a hybrid gunship — younger, more aggressive, combat-capable in a way ordinary Leviathans are not.

Covered by: preset bio-talyn — higher bpm (64 vs Moya's 38), pulseShape: 'defiant' (the tightest, most aggressive envelope in the app), higher resonance. The faster/tenser parameter choices track the "young, aggressive warship" framing accurately even without a specific real-world sound to verify against.

The Lexx — Lexx (machine-insect hybrid superweapon)

[DOC] The Lexx is explicitly a "machine–insect hybrid," created as the most powerful weapon of destruction across two universes, capable of destroying a planet in a single shot. Its command chair was originally covered in a removable "skin" (a technological shell), which was written out after the first season to reveal the organic tissue beneath directly — a production choice to lean further into the organic aesthetic over time, not away from it.

[GAP] No production source located describing how the ship's ambient sound — engine drone, organic wall texture, breathing — was actually created or recorded, despite searching.

Covered by: preset bio-lexx — the lowest base frequency of any bioship preset (38 Hz), heaviest noise mix (0.6), brown noise in lifeSupport (the darkest noise color available). These choices align with "massive biomechanical insectoid digestive engine drone" from the preset's own description, but that description is this app's own writing, not a sourced claim about the show.

Vorlon Cruiser — Babylon 5 (living transport)

[DOC] Vorlon transports are described on more than one occasion in the show as "singing" to their occupants — a directly citable, specific claim that lines up almost exactly with this app's own preset description ("telepathic singing crystal harmonics").

[ATT] The ships carry Vorlon bio-armor and use four sail-like organic folds for propulsion rather than a mechanical drive, and are described as having "an intelligence and will of their own" — a genuinely symbiotic, not merely piloted, relationship with Ambassador Kosh.

Covered by: preset bio-vorlon — the highest resonance of any bioship preset (3.8 hull / 4.5 warp) and the widest swirlMix (0.5), which is a plausible way to synthesize "singing" — resonant, harmonically rich, spatially moving — even though no specific frequency content is documented for the real sound.

Assessment: this is the one bioship preset with the strongest direct textual match ("singing") between the source material and the preset's own description. It is the best candidate in this whole category for a bespoke telemetry element, discussed below.

Wraith Hive Ship — Stargate Atlantis (grown organic warship)

[DOC] Hive ship hulls are living, growing organic matter, built through biotechnology capable of rapid growth — which grants automatic hull regeneration and self-regulating internal structure, but also means the ship can dangerously reconfigure itself when something goes wrong, with chambers appearing or disappearing. The organic hull requires periodic rest between hyperspace jumps to heal radiation damage, which is a real plot-relevant constraint, not incidental color.

[DOC] The ship is crewed through a neural interface that responds only to a telepathic signature carried in Wraith DNA — full-blooded Wraith operate it without fatigue, while those with diluted DNA tire quickly. Interior corridors are described with a fine mist covering the floor throughout inhabited sections.

Covered by: preset bio-wraith — the lowest bpm of any bioship (32), combined with the second-lowest base frequency (34 Hz) and heaviest noise mix alongside bio-lexx (0.65). The mist detail is a strong, currently unused cue for lifeSupport tuning — see the gap list.

Species 8472 — Star Trek: Voyager (fluidic-space bioship)

[DOC] Species 8472 bioships are built from organic technology resembling the species' own biology, originate from a parallel dimension called fluidic space, and are explicitly impervious to conventional Starfleet and Borg weapons — Voyager only defeats one using modified Borg nanoprobes, a biological rather than a physical countermeasure.

[GAP] No documented detail located on the ship's actual sound design; Memory Alpha's production-side coverage of this vessel is thin.

Covered by: preset bio-species-8472 — the highest base frequency of any bioship (68 Hz, notably brighter than the others' 34–58 Hz range) and pulseShape: 'defiant'. The brighter tuning is a reasonable read of "pure genetic thrust" and "high-frequency biological firing capacitors" from the app's own preset description, but again, that description is house writing, not a documented production fact.

The "no squishing" design constraint

O'Bannon's stated preference for Moya deserves to generalize across the whole category, not just his own ship: organic does not have to mean wet. Every existing bioship preset in this app already avoids literal squelch/gurgle noise-synthesis in favor of resonant tones, filtered noise beds, and pulse envelopes — which happens to align with the one explicit real production statement found in this research. Any future bioship element should hold that line deliberately, not by accident.

Existing element / soundboard relabeling

bioships' soundboard (js/config.js) does not call any bespoke synthesis. It relabels five existing WhoniverseAudioSynth / TelemetrySynth elements with organic-sounding names:

Soundboard label	Actual method called	Real element
NEURAL TWITCH	synthesizeTelepathicChime	Doctor Who telepathic circuit chime (C-major arpeggio shimmer)
VASCULAR PUMP	synthesizeFastReturn	Doctor Who fast-return lever clack
CHITIN CREAK	synthesizeDematSwitch	Doctor Who console relay click
BIOPLASMIC HISS	synthesizeSensorSweep	Star Trek sensor sweep glide
SYMBIOTE VOCALIZATION	synthesizeSonicScrewdriver	Doctor Who sonic screwdriver buzz

None of these were designed with any of the six ships above in mind — they are reused verbatim from a different universe's implementation, exactly as telemetry.era reuses Trek vocabulary for every non-Trek universe (see telemetry_elements.md). This is the same pattern recurring a third time: Whoniverse borrows nothing (it's the source), Trek eras get borrowed by everyone else's telemetry, and now bioships borrows discrete one-shots the same way.

Bioships existing element retention map

Existing (relabeled) element	Ship it's used for	Verdict
Neural Twitch (telepathic chime)	all bioship presets	Keep — a shimmering chime is a defensible generic stand-in for "neural event," but it was written for the TARDIS, not any of these six ships
Vascular Pump (fast return)	all bioship presets	Keep — mechanical clack reads as circulatory pump only by association, not by design
Chitin Creak (demat switch)	all bioship presets	Keep — a 60 ms square click has no organic quality at all; the label is doing all the work here
Bioplasmic Hiss (sensor sweep)	all bioship presets	Keep — a clean sine glide is the least "biological"-sounding element in the whole app; strongest case for replacement
Symbiote Vocalization (sonic screwdriver)	all bioship presets	Keep — a resonant buzz is closer to organic than the others, best of the five relabels

Bioships gap list

#	Sound	Why it matters	Difficulty
1	Bespoke bioship telemetry era	The single biggest gap in this category, and the same shape as Whoniverse's biggest gap. All six presets currently draw telemetry.era from Trek's five values (see the era table in telemetry_elements.md) — there is no organic-sounding discrete vocabulary at all, only relabeled inorganic ones.	Medium–High
2	"Singing" resonance element for the Vorlon Cruiser	The strongest single documented cue in this whole category ("singing to their occupants") has no dedicated synthesis; it's currently indistinguishable from any other bioship preset at the discrete-sound level.	Medium
3	Neural-bond swell (Moya/Talyn/Wraith)	Three of six ships have a documented neural-interface detail (Pilot's nerve endings, Wraith telepathic DNA control) that could unify into one element used across all three, rather than reusing the TARDIS's telepathic chime.	Medium
4	Misty-atmosphere life-support tuning (Wraith)	A specific, documented environmental detail (mist-covered corridor floors) with no corresponding audio treatment — likely a lifeSupport filter/noise adjustment rather than a new element.	Low
5	Hull self-repair / regeneration texture (Wraith)	Documented as a distinct capability (auto-regenerating organic hull) with dramatic stakes (forced rest between jumps) and no sonic representation at all.	Medium

Item 1 dwarfs the rest in the same way the Whoniverse telemetry gap did: a purpose-built organic discrete vocabulary — creaks, pulses, membrane flutters — would do more for this universe's authenticity than any single new one-shot.

Bioships open questions

• [GAP] No sound design production information was found for The Lexx, Species 8472, or the Wraith hive ship specifically — all three assessments above rest on in-universe descriptions (organic materials, behavior, constraints), not on how anyone actually built the sound.
• [GAP] Whether any of these six ships has ever had its sound professionally analyzed or cataloged the way TrekCore catalogs Star Trek — no equivalent archive was found across five different franchises with five different fan communities of very different sizes.
• [GAP] Real starburst acoustic character (Farscape) — the visual and mechanical description is well documented; no sound-specific source was found.
• [ATT] Whether "singing" for the Vorlon ships was ever given specific acoustic character on screen (pitch, harmony, language-like quality) versus being a narrative description characters use — the sourced material confirms the word is used, not what it actually sounds like.

Where to verify (Bioships)

• Farscape Encyclopedia Project (farscape.fandom.com) has the O'Bannon design-brief quote and is the strongest single source found in this pass.
• Direct episode audio is the only realistic source for the Vorlon "singing" character, the Lexx's ambient drone, and the Wraith hive ship's interior tone — no written source located describes any of them acoustically.
• Stargate wikis (stargate.fandom.com, GateWorld) are strong on Wraith hive ship biology and constraints but do not cover sound production.
• Memory Alpha's Species 8472 coverage is comparatively thin; a production interview specific to that episode arc ("Scorpion") may exist but was not located here.

---

Space Stations

Like Bioships, "Space Stations" is this app's own grouping, not a franchise — six stations from five unrelated sources: Babylon 5, Space: 1999 (Moonbase Alpha), Alien: Isolation (Sevastopol Station), The Expanse (Tycho and Ceres — two presets, one franchise), and Aliens, 1986 (Gateway Station). Two of the six — Sevastopol and the Belter stations — turned out to have unusually strong, specifically-attributable production documentation; this is the best-sourced non-Trek section in this document as a result.

Nothing here proposes removing an existing element. As with Bioships, the soundboard reuses borrowed elements rather than anything station-specific; see the relabeling table below, which also surfaces a duplication worth knowing about regardless of any real-world research.

Layer mapping (Space Stations-specific)

Real concept	App layer	Notes
Hull / structural rumble, rotation	hull (HullDroneSynth)	For rotating stations this is a centrifugal rumble, not an engine — a structurally different real-world source than every other universe in this app.
Docking, tram transit, mechanical systems	warp (WarpCoreSynth)	Reused as a rhythmic-pulse layer standing in for docking clamps and tram/transit systems rather than any propulsion.
Air handling, decompression risk	lifeSupport (LifeSupportSynth)	The most literal, well-matched reuse of any layer in this app — stations really do run on continuous mechanical air handling, and two of the six presets (Sevastopol, Gateway) name it directly in their own descriptions.
PA announcements, commerce-hub chatter	telemetry (TelemetrySynth)	Currently just borrowed Trek eras — see the config table below.
Docking clamps, trams, PA beats, plaza ambience	soundboard, relabeled elements	No station-specific synthesis exists; see below.

Station-by-station

Babylon 5: Core Control & Zocalo

[DOC] The station is a 5-mile, self-sufficient O'Neill-cylinder-style habitat. Unlike Gerard O'Neill's original counter-rotating-cylinder concept, Babylon 5's cylinders rotate about the same axis while still maintaining zero net angular momentum — a specific, citable engineering detail — and the station draws power from fusion reactors rather than the solar collection O'Neill's original design assumed.

[GAP] No production sound-design source located for the station's actual audio identity or for the Zocalo (its central commerce plaza) specifically.

Covered by: preset sta-babylon-5 — the lowest warp bpm outside Sevastopol (34) standing in for slow centrifugal rotation rather than any engine rhythm, heavy noise mix (0.6) for structural mass, telemetry.era: 'ds9' (a Cardassian sensor tone for a station that has nothing to do with Cardassia — the same Trek-borrowing pattern documented in telemetry_elements.md).

Moonbase Alpha: Main Mission Control

[DOC] Moonbase Alpha is a static lunar surface installation, not a rotating station — it's a four-kilometer, self-sustaining complex in the Moon's Plato crater, kept habitable by four nuclear reactors, solar supplementation, and eight anti-gravity towers rather than spin gravity. Water comes from recycled subsurface ice; food from hydroponics and biochemical synthesis; sections connect via pressurized travel tubes. Main Mission itself is a large multi-level control room (relocated underground to a smaller room in the show's second season for added protection).

[GAP] No production audio-design source located.

Design nuance worth flagging: Moonbase Alpha is the one preset in this category that structurally has no rotation to rumble with — everything else here spins. Its current hull/warp parameters (54 Hz base, 44 bpm) don't distinguish it from the rotating stations in any deliberate way; there is nothing wrong with the numbers, but the reason for them (reactor and travel-tube hum, not spin) isn't represented by anything the other presets don't also have.

Covered by: preset sta-moonbase-alpha — telemetry.era: 'tos' is the one telemetry choice in this category that actually lines up with real production history: Space: 1999 (1975) and TOS (1966) are close contemporaries in broadcast-era electronic sound design, so borrowing TOS's warble for a 1970s lunar base is coincidentally more defensible than any other era-borrowing case in this document.

Sevastopol Station: Habitation Deck (Alien: Isolation)

[DOC] This is the best-documented station in the entire app. Audio director Jeff van Dyck was given access to the original 1979 Alien film's sound effects and rebuilt them with modern technology for continuity across the franchise. The team hired Pinewood Studios to record bespoke foley rather than relying on effects libraries — including stamping on different surfaces, "including soil covered in assorted squishy vegetables," to capture movement across the station's varied environments, from the sterile medical bay to the alien nest.

[DOC] The station's decay is conveyed through baseline ambient sound described directly as "creaking and sparking and shuddering," and — a specific, transferable technique — that ambience is dynamically ducked when the threat is close, so the player becomes more aware of the protagonist's own breathing and footsteps instead. This is a mixing decision, not a synthesis one, but it's directly relevant to how any real "Sevastopol" preset ought to behave if this app ever added activity-linked ambience ducking.

Covered by: preset sta-sevastopol — brown noise in lifeSupport (the darkest available), high hull noise mix (0.65), pulseShape: 'nx' for a mechanical rather than musical pulse. These choices land close to "creaking and shuddering" in spirit. What's absent is any spark element — a short, transient, high-frequency event distinct from the continuous creak-and-shudder bed — and the dynamic ducking behavior, neither of which this app's architecture currently supports for any universe.

Tycho Station: Asteroid Construction Bay & Ceres Station: Sub-Crustal Tunnels (The Expanse)

[DOC] Supervising sound editor Nelson Ferreira (with sound designers Nathan Robitaille, then Dave Rose) built The Expanse's audio around a deliberate "low-tech it" philosophy — technology 200 years from now that still sounds like it evolved from the present, not like generic futurism — and assigned each faction a distinct sonic signature: Earth is heavy and bass-rich, Mars is clean and precise with tight servo sounds, and Belters — the people who live on Tycho and Ceres — get "broken, creaky mechanisms suggesting jury-rigged technology."

That last detail is directly and specifically actionable: it's a citable, named-production description of exactly what these two presets should sound like, not an inference from watching. Both Tycho and Ceres are Belter stations; both should sound maintained by scavenging, not engineered.

Covered by: preset sta-tycho (noiseMix: 0.55, pulseShape: 'defiant', construction-bay framing) and sta-ceres (noiseMix: 0.62, brown noise, subterranean framing). Both lean appropriately noisy and mechanical rather than clean — broadly consistent with "jury-rigged" even without the app having a dedicated "broken/creaky" telemetry vocabulary to complete the picture (see the gap list).

Gateway Station (Aliens, 1986)

[DOC] Gateway is a massive geosynchronous station above Quito, Ecuador, built from advanced plastics and titanium composite in modular sections joined by steel beams — Earth's hub for interstellar cargo, personnel transfer, the Colonial Marine Corps, and an aerospace training school. Production designer Peter Lamont built it from matte paintings and miniature models, reusing parts from the Nostromo refinery model; Syd Mead and Robert Skotak contributed to its design. In the film it's where Ripley wakes from 57 years of hypersleep, recovers in the infirmary, and faces her inquiry — corridors, medical bays, and an atrium with environmental screens showing Earth.

[GAP] No dedicated sound-design source was located for Gateway specifically; the film's overall industrial sound design is well documented in general Alien-franchise coverage, but nothing ties a specific technique to this station rather than to the Sulaco or LV-426 colony.

Covered by: preset sta-gateway — the lowest noiseMix of any station preset (0.5) and a relatively bright 46 Hz base, consistent with a station description that emphasizes clean transfer/quarantine functions ("high-volume environmental air handlers") over the grime of Sevastopol or the Belt.

Existing element / soundboard relabeling

Same pattern as Bioships: the spacestations soundboard calls no station-specific synthesis. All five buttons relabel existing elements from two other universes' classes:

Soundboard label	Actual method called	Real element
AIR HANDLER THUD	expandedAudio.synthesizeDockingClamp	Shared 1:1 with the button below — see note
DOCKING CLAMP LATCH	expandedAudio.synthesizeDockingClamp	Same docking-clamp synthesis, different label
TRAM DEPARTURE GONG	whoniverseAudio.synthesizeCloisterStrike	One strike of the Doctor Who cloister bell
COMM PA BEAT	whoniverseAudio.synthesizeDematSwitch	Doctor Who console relay click
ZOCALO PLAZA CHIME	whoniverseAudio.synthesizeTelepathicChime	Doctor Who telepathic circuit chime

Fixed. Unlike every other cross-universe borrowing in this document, AIR HANDLER THUD and DOCKING CLAMP LATCH were calling the exact same method and producing the literal identical sound under two different labels on the same soundboard — the one true duplicate button mapping found anywhere in the app during this documentation effort. AIR HANDLER THUD now calls a new ExpandedSciFiAudioSynth.synthesizeAirHandlerThud(): a dull triangle-wave thump with a sub-octave body (no bright metallic impact) followed by a slow-building lowpass-filtered airflow whoosh — a big soft mechanical event that keeps breathing after it, rather than the docking clamp's single hard square-wave latch and bright pneumatic hiss. DOCKING CLAMP LATCH is unchanged and still calls synthesizeDockingClamp().

Space Stations existing element retention map

Existing (relabeled) element	Verdict
Air Handler Thud (now synthesizeAirHandlerThud)	Fixed — no longer shares a method with Docking Clamp Latch; the two are now audibly distinct
Docking Clamp Latch (synthesizeDockingClamp)	Keep — unchanged
Tram Departure Gong (cloister strike)	Keep — a single deep bell strike is a defensible generic "departure" cue, though it carries no tram-specific character
Comm PA Beat (demat switch)	Keep — a 60ms click reused as a PA beep; functionally fine, sonically generic
Zocalo Plaza Chime (telepathic chime)	Keep — a shimmering four-note arpeggio for a bustling commerce plaza is the largest tonal mismatch of the five: Babylon 5's Zocalo is a defensible [DOC] description, and this element (built for a psychic time machine circuit) has no plaza connection at all

Space Stations gap list

#	Sound	Why it matters	Difficulty
1	Distinct air-handler vs. docking-clamp sounds	Fixed — AIR HANDLER THUD now calls its own synthesizeAirHandlerThud() (dull thump + slow airflow whoosh) instead of sharing synthesizeDockingClamp().	Done
2	Belter "jury-rigged" telemetry era	The single most specific, most directly citable production detail found in this whole reference ("broken, creaky mechanisms") has no corresponding discrete-sound vocabulary — Tycho and Ceres currently borrow Voyager/NX Trek telemetry instead of anything broken or creaky.	Medium
3	Sevastopol "spark" transient	Van Dyck's ambience is explicitly creak and spark and shudder; this app's Sevastopol preset covers creak/shudder territory via noise and filtering but has no discrete spark event at all.	Low
4	Zocalo / commerce-plaza chatter	A crowd-and-chatter texture (paralleling the Deep Space Nine Promenade gap noted in the Star Trek section) with no equivalent anywhere in the app — public gathering spaces are structurally different from every machinery-dominated preset.	Medium–High
5	Rotation-vs-static distinction for Moonbase Alpha	Not a missing sound so much as a missing reason: nothing currently separates "spinning station rumble" from "static lunar base with anti-gravity towers" even though they are physically different phenomena in the source material.	Low (parameter tuning, not new synthesis)

Item 1 is close to a one-line fix and should probably happen regardless of any broader redesign; item 2 has the same "biggest single win" shape as the Whoniverse and Bioships telemetry gaps, and is unusually well-supported by a named, quoted production source.

Space Stations open questions

• [GAP] No dedicated sound-design source was found for Babylon 5, Moonbase Alpha, or Gateway Station specifically — the Babylon 5 and Moonbase Alpha assessments rest on engineering/production facts (rotation physics, reactor count), not on how anyone built the audio.
• [GAP] Whether Alien: Isolation's per-area foley (medical bay vs. alien nest, per van Dyck) implies the station's ambience genuinely varies by room in-game, the way this app's single sta-sevastopol preset cannot — the source confirms foley varied by surface, not that the ambient bed itself changes by room.
• [GAP] Whether "low-tech it" as a philosophy has any further specifics published for Ceres vs. Tycho individually, beyond the shared Belter signature — the source found treats Belter technology as one category, not two distinct stations.
• [ATT] Gateway Station's minimal foley identity in the film itself (a brief early sequence) means it's the thinnest-sourced entry in this category by nature of the material, not by research gap.

Where to verify (Space Stations)

• A Sound Effect (asoundeffect.com) carries a full named-interview breakdown of The Expanse's sound team and philosophy — the strongest single production source in this entire document.
• PC Gamer's "The audio of Alien: Isolation" and Audio Media International's dedicated coverage both name Jeff van Dyck directly and describe concrete foley technique — the second is worth reading in full for detail not captured here.
• AVP Central is a strong resource for Alien-franchise station lore (Sevastopol, Gateway) but does not cover sound production.
• No equivalent named-interview source was found for Babylon 5 or Space: 1999 audio specifically; direct episode audio remains the only way to close those two entries.