{ "revision": "generated-stems-v2", "model": "stabilityai/stable-audio-open-1.0", "modelLicense": "Stability Community License; owner confirmed revenue eligibility and existing registration. Open-weight, not a permissive open-source model license.", "direction": "Phil Maher / Stockfilm", "selectionMethod": "Two eight-second windows; cosine similarities, not probabilities. Highest texture-family-minus-rejected-label score selects a take; listening distance is edited separately. This is a screening aid, not human listening or a speech guarantee.", "listeningStatus": "Machine-assisted semantic screening and signal tests completed. Human headphone listening and artistic sign-off are still required; not represented as completed.", "sourceNote": "Generated sound effects, not field recordings, Foley recordings or recovered history. Prompts describe imagined textures and do not establish historical evidence.", "layers": [ { "layerId": "chi-traffic", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Outdoor sound effect of a few petrol engine cars passing slowly along a paved street. Rounded engine rumble, tire hiss and natural movement approaching then receding. Medium distance, sparse traffic, spacious quiet background. No voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 270700, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 12.731, "peak": 0.7525039315223694, "rms": 0.020863786339759827, "sha256": "e754a394ebc2c43f4521e0fa3ad752ddc20e2a4766a8f918da3c67838998eee5", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7159.451171875, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 65Hz high-pass and 6500Hz low-pass (second order); pan 0; gain 5.67642 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/chi-traffic.m4a", "bytes": 415683, "rawSha256": "e86e3829fb01d89c5b70713437ad80b129495b36d3ce72e16748713b70ce6ae3", "encodedPeak": 0.2593843936920166, "encodedRms": 0.09282871335744858, "loopBoundaryDelta": 0.00026290654204785824, "gainMultiplier": 5.676421052937096, "recordingDate": null, "recordingPlace": null }, { "layerId": "chi-steps", "take": 2, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Dry close sound effect of unhurried footsteps walking on a concrete pavement. Soft shoe soles make gently irregular pairs of taps and scuffs, with short spaces between steps. Quiet outdoor background. Only footsteps, no voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 271093, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 11.704, "peak": 1.1479272842407227, "rms": 0.0327984020113945, "sha256": "eb64043c6e4d8056bc61fda0cacaa428b37558cf074a35b37b5e6c1dc38b84ac", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7164.6025390625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 2, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 95Hz high-pass and 11000Hz low-pass (second order); pan -0.12; gain 1.71565 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/chi-steps.m4a", "bytes": 492784, "rawSha256": "79722eaf3f78e65369e6a3fba437d2637f33759a6dbe67bc90d8dbe44c5e6646", "encodedPeak": 0.31093308329582214, "encodedRms": 0.03321891278028488, "loopBoundaryDelta": 0.00015675503527745605, "gainMultiplier": 1.7156541947840735, "recordingDate": null, "recordingPlace": null }, { "layerId": "chi-air", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Quiet outdoor ambience of a light breeze moving through bare tree branches. Soft broad air movement, occasional delicate dry rustling, natural spacious stereo atmosphere. Very calm and subtle. No vehicles, voices, birds or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 271224, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 11.59, "peak": 0.636381983757019, "rms": 0.0798267275094986, "sha256": "2c3e801eac881a18578008da9881abee3bf8756c6b70b0273621387483cb42f1", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7168.9345703125, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 170Hz high-pass and 4200Hz low-pass (second order); pan 0; gain 28.02252 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/chi-air.m4a", "bytes": 481958, "rawSha256": "6eb4c08ba5eae470e0cda482b54435ee0b0a47ecde1ea79a830d8c76fd7e5cc0", "encodedPeak": 0.20052243769168854, "encodedRms": 0.024127069860696793, "loopBoundaryDelta": 0.0004448547260835767, "gainMultiplier": 28.02251531256174, "recordingDate": null, "recordingPlace": null }, { "layerId": "chi-pulse", "take": 2, "model": "stabilityai/stable-audio-open-1.0", "prompt": "A distant old mechanical ventilation fan running softly. Low motor hum with subtle uneven rattling and a gently fluttering air sound. Heard from far away across an outdoor space. A quiet isolated mechanical ambience, no music or voices.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 271617, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 11.808, "peak": 0.08740308880805969, "rms": 0.02917410060763359, "sha256": "6109e216578ce1e467df4bf3817e99adef83ba200eb2c20c69e1ef262fdf7b54", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7169.9345703125, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 2, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 70Hz high-pass and 1800Hz low-pass (second order); pan 0.18; gain 3.87629 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/chi-pulse.m4a", "bytes": 468473, "rawSha256": "bc658ec6b899f7ac90c3e830c252671d381dbca3b81e0a670606a694345d0353", "encodedPeak": 0.22378957271575928, "encodedRms": 0.06927058845758438, "loopBoundaryDelta": 0.00012325134593993425, "gainMultiplier": 3.876286813218097, "recordingDate": null, "recordingPlace": null }, { "layerId": "ny-pour", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Close isolated sound effect of a small amount of water poured slowly from a bottle into a drinking glass. Gentle short trickles, tiny splashes and bubbles, with quiet pauses between pours. Dry detailed natural sound. No music or voices.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 271748, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 11.638, "peak": 0.35768020153045654, "rms": 0.008416468277573586, "sha256": "21c60998a2746585392393e32e3b65beaa031073b220fb24934c25589ff897e2", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7175.7041015625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 110Hz high-pass and 10000Hz low-pass (second order); pan -0.04; gain 9.16881 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 0.53958; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/ny-pour.m4a", "bytes": 492205, "rawSha256": "28b11fbe8c436207f35f0865084e45cc96908f5300ac39a20c6157ca8f291917", "encodedPeak": 0.26573672890663147, "encodedRms": 0.029402269050478935, "loopBoundaryDelta": 0.004502506460994482, "gainMultiplier": 9.168813854781527, "recordingDate": null, "recordingPlace": null }, { "layerId": "ny-glass", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "A few delicate drinking glasses touching lightly on a tray. Small restrained glass clinks and short clear ringing decays, with generous quiet pauses. Close isolated natural object sound, not breaking glass. No voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 272010, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 11.633, "peak": 1.8691356182098389, "rms": 0.02356826327741146, "sha256": "057d91bfbcf4e000d6c030dceb20a03bda3feadefc19675c9320f779b83a0650", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7175.7041015625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 170Hz high-pass and 12000Hz low-pass (second order); pan 0.14; gain 1.30067 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/ny-glass.m4a", "bytes": 451436, "rawSha256": "4b5bd1337690082bbc81571bdb87fb3ee497db1ed5316bf0559594cb6ffda28a", "encodedPeak": 0.26537489891052246, "encodedRms": 0.0186746995896101, "loopBoundaryDelta": 1.5925816114759073e-06, "gainMultiplier": 1.3006704418405677, "recordingDate": null, "recordingPlace": null }, { "layerId": "ny-air", "take": 4, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Sound effect of soft wind blowing across a quiet empty enclosed courtyard. Broad continuous airy wind, gentle low rustle, slow natural variation. Only wind, isolated environmental texture.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording. Birds chirping, bird song, animal sounds, human sounds, voice, conversation, whistles, bells.", "seed": 292417, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 13.821, "peak": 0.053420864045619965, "rms": 0.00606527691707015, "sha256": "5b760f791f0f7cda3a9635ba1906125c97c00c3c3be2a94da190b3fdfb5ea0e3", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7159.451171875, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 4, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 180Hz high-pass and 4000Hz low-pass (second order); pan 0; gain 36.93638 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/ny-air.m4a", "bytes": 458600, "rawSha256": "ca6dbbb0ea627e5140b146faf901cdabb1f101a63eb8cf4a3d872a58f1223f5d", "encodedPeak": 0.1918238401412964, "encodedRms": 0.02417830377817154, "loopBoundaryDelta": 1.1196694686077535e-05, "gainMultiplier": 36.93637751903423, "recordingDate": null, "recordingPlace": null }, { "layerId": "ny-traffic", "take": 2, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Distant passing road traffic heard from a quiet outdoor gathering space. Occasional soft motor swells and a faint tire wash move far across the background, widely spaced. Subdued natural street ambience. No horns, voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 272665, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 12.896, "peak": 1.081657886505127, "rms": 0.20717422664165497, "sha256": "7f17800ff10a59f1a405884be69708521a1d11a8da94524d5a79d8b267d9d7fa", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7185.3056640625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 2, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 90Hz high-pass and 2300Hz low-pass (second order); pan 0; gain 0.70005 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/ny-traffic.m4a", "bytes": 480514, "rawSha256": "760e4a9589f8f0def835e5ecd89ae6ed703f248d4b829f8297a76be2c7b9e8a0", "encodedPeak": 0.25654563307762146, "encodedRms": 0.08688428997993469, "loopBoundaryDelta": 0.0004038657061755657, "gainMultiplier": 0.7000526895943607, "recordingDate": null, "recordingPlace": null }, { "layerId": "dc-traffic", "take": 2, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Natural sound effect of cars and one small delivery truck passing along a city road. Rich low petrol engine movement and gentle rolling tire noise, heard from the roadside, arriving and fading into distance. No horn, siren, voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 272927, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 11.979, "peak": 1.2402225732803345, "rms": 0.11480427533388138, "sha256": "148b84d3ae8b207a47d4a2e7184e3e14add9c90fb818c75c7e990798e7b4a286", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7185.3056640625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 2, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 65Hz high-pass and 6500Hz low-pass (second order); pan 0; gain 1.04930 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/dc-traffic.m4a", "bytes": 479289, "rawSha256": "9052a6b293ed03f655ca2565ac434032bfa0301ccabd63ab4a44f52ef0de14d7", "encodedPeak": 0.3018793761730194, "encodedRms": 0.06887786835432053, "loopBoundaryDelta": 0.00011325420200591907, "gainMultiplier": 1.0492965677382358, "recordingDate": null, "recordingPlace": null }, { "layerId": "dc-water", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "An outdoor public fountain spraying and falling into a water basin. Detailed continuous fine splashes, soft rushing water and occasional brighter droplets. Broad natural stereo water texture, tranquil and steady. Only fountain water, no voices, music or traffic.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 273058, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 11.717, "peak": 1.1183470487594604, "rms": 0.04116155579686165, "sha256": "100e288a26d53d5e6920dc07f6aa2ca808b6398e43b01e647748a7cbd0c103db", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7189.6376953125, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 100Hz high-pass and 10500Hz low-pass (second order); pan 0; gain 1.80075 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 0.46877; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/dc-water.m4a", "bytes": 492637, "rawSha256": "c9a7957cc43d1125fe012c4e353dddc12e6eb6da4a584d053bbd08e0325ed82e", "encodedPeak": 0.2699849307537079, "encodedRms": 0.043399691581726074, "loopBoundaryDelta": 0.02364470064640045, "gainMultiplier": 1.8007516201895297, "recordingDate": null, "recordingPlace": null }, { "layerId": "dc-air", "take": 2, "model": "stabilityai/stable-audio-open-1.0", "prompt": "A very soft open-air breeze beyond a window. Gentle diffuse wind noise rises and falls slowly in a wide quiet outdoor space, without strong gusts. Subtle natural environmental ambience. No water, vehicles, voices or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 273451, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 1, "generationSeconds": 11.906, "peak": 0.13341741263866425, "rms": 0.014977021142840385, "sha256": "b3d5d862ee9f2dbeb1650eb53c3d6a1975b60a5d0c859f2ca353dd76fb2bc4d2", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7191.2080078125, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 2, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 160Hz high-pass and 4200Hz low-pass (second order); pan 0; gain 124.96241 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/dc-air.m4a", "bytes": 484327, "rawSha256": "e384af74b0a7ee09414715bc1f38d5f30f509df3f8bb0f71990ab9e6cae5b353", "encodedPeak": 0.2103096842765808, "encodedRms": 0.024023624137043953, "loopBoundaryDelta": 0.001087208278477192, "gainMultiplier": 124.96241016292221, "recordingDate": null, "recordingPlace": null }, { "layerId": "dc-pulse", "take": 1, "model": "stabilityai/stable-audio-open-1.0", "prompt": "Quiet low interior vibration of a moving car heard through a closed window. Soft engine rumble, a faint uneven dashboard rattle, damped and intimate, with subtle changes in pitch. Calm steady movement. No voices, horns or music.", "negativePrompt": "Music, musical instruments, melody, singing, speech, talking, crowd voices, narration, sirens, car horns, harsh distortion, clipping, electronic beeps, synthesizer, low quality, muffled recording.", "seed": 273582, "steps": 100, "cfgScale": 7, "sampler": "dpmpp-3m-sde", "sigmaMin": 0.3, "sigmaMax": 500, "sampleRate": 44100, "duration": 15.015, "gpu": "NVIDIA GeForce RTX 3090 Ti", "worker": 0, "generationSeconds": 11.75, "peak": 0.17306499183177948, "rms": 0.031156718730926514, "sha256": "18f6a4021878a223eb0b799b84c9e19a34c3399b07acea5f9e4aabc737684c6c", "torch": "2.6.0+cu124", "python": "3.11.15", "cuda": "12.4", "allocatedPeakMiB": 7197.5947265625, "sourceClass": "AI-generated sound effect", "licenseEvidence": "Owner confirmed annual revenue below US$1M and existing Stability Community License registration in this session.", "selectedTake": 1, "createdOn": "2026-10-07", "rawDuration": 20.0, "creator": "Stable Audio Open generation, edited for Phil Maher / Stockfilm with Codex assistance", "modelUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0", "licenseUrl": "https://huggingface.co/stabilityai/stable-audio-open-1.0/blob/main/LICENSE.md", "approvedScopes": [ "web", "exhibition", "offline" ], "exportScope": "Owner-requested application portfolio video only; no visitor exports", "transformations": "Source start 2s; 55Hz high-pass and 1600Hz low-pass (second order); pan 0.1; gain 2.40067 with smooth tanh transient limiting at .26; 400ms linear end/start crossfade and 6ms seam taper; decoded AAC peak checked and gain adjusted by 1.00000; 15.015s loop; AAC stereo 256kbps. No historical recording transformed.", "localAssetReference": "/the-sounds-we-lost/assets/dc-pulse.m4a", "bytes": 422390, "rawSha256": "08097604978e4531549f39ef3a0e7a4baf8535fc612c4d82a982bc87a342c50b", "encodedPeak": 0.21692363917827606, "encodedRms": 0.0708787813782692, "loopBoundaryDelta": 0.002322479849681258, "gainMultiplier": 2.400672327992735, "recordingDate": null, "recordingPlace": null } ] }