{ "version": 5, "model": "gemini-2.5-flash-tts", "language": "en-US", "synthetic": true, "direction": "Warm, clear adult feminine narration in neutral international English with lightly American pronunciation. Use a calm natural conversational pace, clear articulation, gentle warmth and small natural pauses. Keep the same English accent throughout. When the Hindi lamp name दिया appears, pronounce it as one natural connected Hindi word, without spelling it out and without adding a v sound. Read only the supplied text exactly; never speak these production directions.", "normalization": { "integratedLUFS": -16, "truePeakDbFS": -2, "loudnessRange": 7 }, "pronunciation": "Diya is displayed normally; replacement welcome synthesis uses the connected Hindi lamp word दिया.", "clips": { "clear": { "id": "clear", "src": "./audio/clear.mp3", "text": "Welcome to Diya, by Vision-Aid. Have you ever wondered how vision loss changes an everyday moment? Begin at this busy street corner. Remain comfortably seated. Point and pinch to explore a vision pattern, then discover adaptations that make this same place more accessible.", "seconds": 22.73, "integratedLUFS": -16.82, "truePeakDbFS": -2.41, "bytes": 273068, "sha256": "80c348c9edf31b3fd33bcb11bc0133ab74e34eff5dbb5adc92d47504d83f368a", "sourceTextSha256": "1f96cfa05ee2700fa3c78b00463709f308d78088d4019de98f7a90d380e82565", "originalV9Clip": null, "voice": "Aoede" }, "blindness": { "id": "blindness", "src": "./audio/blindness.mp3", "text": "The scene fades gently to black. Clear returns in twelve seconds. You can return sooner at any time.", "seconds": 9.55, "integratedLUFS": -16.49, "truePeakDbFS": -2.38, "bytes": 114956, "sha256": "740180d183c3fc0a2d11ae26c8a2afe54de05411bcfe06383c637d9883b7f6fa", "sourceTextSha256": "d316e09efded02d448a539cedab04ce6253ef39c453a66db26e453e50e4c8aef", "originalV9Clip": null, "voice": "Aoede" }, "central": { "id": "central", "src": "./audio/central.mp3", "text": "Central field loss interrupts the detail directly ahead, making faces and signs difficult to see. Macular disease is a common cause. Compare the crossing sign with larger text and stronger contrast. The central gap stays in place. Magnification and low-vision training help people make better use of their remaining sight.", "seconds": 25.75, "integratedLUFS": -16.63, "truePeakDbFS": -2.37, "bytes": 309356, "sha256": "597a6f7f4d1f3222c27c99b451b97e322a4177a7681dd54a913b61c3f0524333", "sourceTextSha256": "2472a87cc91d7a9a37a472b6a7cec9e3b2c63f42009f2fa7696cd919161d2410", "originalV9Clip": null, "voice": "Aoede" }, "peripheral": { "id": "peripheral", "src": "./audio/peripheral.mp3", "text": "Peripheral field loss reduces information at the sides. Glaucoma and retinitis pigmentosa are causes of this type of loss. A vehicle or crossing signal at the edge of the scene becomes harder to notice. Stay on the sidewalk and slowly turn your head to explore. Visual-search techniques and orientation-and-mobility training help people gather information and move with greater confidence.", "seconds": 30.96, "integratedLUFS": -16.57, "truePeakDbFS": -2.34, "bytes": 371852, "sha256": "38d6006903c5218015df5bf4639763ca1996fc43d6d21902d94213eb903d2c98", "sourceTextSha256": "4a347015d3684e39e8486053913fd19f95839794acbe9a778bc83459e6b7e1e1", "originalV9Clip": null, "voice": "Aoede" }, "patchy": { "id": "patchy", "src": "./audio/patchy.mp3", "text": "A localised gap interrupts one area of vision; patchy field loss interrupts several. Vision loss from diabetic retinal disease includes blurred or patchy detail. Reading aids and spoken information provide alternative ways to access what is missing, alongside care for the underlying condition.", "seconds": 21.72, "integratedLUFS": -16.68, "truePeakDbFS": -2.35, "bytes": 260972, "sha256": "27660b976c94a52108784e8580e62e030b9932914456807d8b095980302250fc", "sourceTextSha256": "aaca2894352a517c963d3d2c423bd2f4b7077bc8d635359f2f293718233bb8de", "originalV9Clip": "audio/patchy-v9-clean-4b271cd1511346.mp3", "voice": "Aoede" }, "haze": { "id": "haze", "src": "./audio/haze.mp3", "text": "A cataract clouds the natural lens of the eye, reducing clarity and contrast and increasing glare. Adjust the haze to compare the same scene. Cataract surgery replaces the cloudy lens with a clear artificial lens. Other eye conditions may still affect vision. Appropriate glasses, rehabilitation and eye care address those remaining needs.", "seconds": 27.67, "integratedLUFS": -16.58, "truePeakDbFS": -2.11, "bytes": 332396, "sha256": "dcce75413a3767c2eb51bcad870aa49b2f2291c8f5f4fed76841df34d50a428b", "sourceTextSha256": "55620f91f1861e8cd46bd24339bc9ef05f07b801dd43a2b16d8260adb2c9e6fe", "originalV9Clip": null, "voice": "Aoede" }, "dim": { "id": "dim", "src": "./audio/dim.mp3", "text": "Contrast separates an object from its background. Brightness changes the light level. In dim light, low-contrast edges and signs are harder to distinguish. Retinitis pigmentosa also affects night vision. Clearly marked edges and stronger contrast help important information stand out. Outdoors on a bright sunny day, anti-glare sunglasses or suitable tinted lenses, and a hat or shade, can make viewing more comfortable.", "seconds": 30.31, "integratedLUFS": -16.6, "truePeakDbFS": -2.09, "bytes": 364076, "sha256": "662816170fbefe477734e992ea15a1e7a9398cd7fa4b44fa6251c401e2dd760e", "sourceTextSha256": "fe9357996eb7e2dd7c3a228ce68da37f2bfc1ba26bb8c0f1f89bd9e30d75db65", "originalV9Clip": "audio/dim-v9-clean-d7467acd875066.mp3", "voice": "Aoede" }, "combined": { "id": "combined", "src": "./audio/combined.mp3", "text": "Vision changes also occur together. Here, peripheral field loss and haze combine, as in retinitis pigmentosa with a cataract. Reduce the haze while leaving the field area unchanged. Treating the cloudy lens addresses clarity; rehabilitation and mobility skills address the remaining challenges. Both parts of the experience deserve attention.", "seconds": 28.99, "integratedLUFS": -16.6, "truePeakDbFS": -2.26, "bytes": 348236, "sha256": "adb97320f5f15f8123cbb48c5ab06c3d94f502dbf8001219870ac26511af4443", "sourceTextSha256": "16de75dd5459a148b19569aab5f271991d2b44eac78682d03ddfb3df8fd1b189", "originalV9Clip": null, "voice": "Aoede" }, "combinedCentral": { "id": "combinedCentral", "src": "./audio/combinedCentral.mp3", "text": "Now combine central and patchy field loss. Diabetic macular oedema affects central detail, alongside other changes from diabetic retinal disease. In this view, a central gap and scattered interruptions make it harder to read and recognise objects. Magnified or spoken information supports the task, while the eye-care team treats the underlying condition.", "seconds": 24.77, "integratedLUFS": -16.8, "truePeakDbFS": -2.4, "bytes": 297548, "sha256": "3eaacac9ddc1503238d82fe5effaca9382949db415b23ce8a349ff63c244b44d", "sourceTextSha256": "16af998faedca0a9e3fc34345a8c57a43a454842e438bc9fc2a621c0a805a9f5", "originalV9Clip": "audio/combined_cfl-v9-clean-e0fadcb0743fa0.mp3", "voice": "Aoede" }, "colour": { "id": "colour", "src": "./audio/colour.mp3", "text": "Colour vision differences make certain colours harder to distinguish. This red-green example uses the published Machado colour model. At a crossing, words, shapes and sounds communicate more than colour alone. Compare the signal symbol and its written message. Information is more accessible when there is more than one way to understand it.", "seconds": 26.28, "integratedLUFS": -16.4, "truePeakDbFS": -2.4, "bytes": 315692, "sha256": "2316d725dbd90a2c3420836600624ba957f447c123bd9f74e4279eaf0ed990fb", "sourceTextSha256": "8cd4b39b3a17581de0dbb64c73cf1c6dfefb82a4b4fde25a6ca5c444f02a8549", "originalV9Clip": null, "voice": "Aoede" }, "adaptations": { "id": "adaptations", "src": "./audio/adaptations.mp3", "text": "Let us compare the same place with more accessible information. One: larger, high-contrast signs. Two: a reachable button confirms your crossing request, then an audible signal communicates the walk phase. A request is different from a walk indication. Physical crossings can also use a vibrating tactile arrow; hand tracking itself does not vibrate. Three: a flush curb ramp and a clear route. We stay on the sidewalk throughout.", "seconds": 33.72, "integratedLUFS": -16.59, "truePeakDbFS": -2.4, "bytes": 404972, "sha256": "1433045fd881819040ad3ef9a785199839314e0c721135e820ea3e90486fa604", "sourceTextSha256": "ecf729170c368326f148cd66607f4cb855e19461d873d289e87d13564fe5e0f2", "originalV9Clip": null, "voice": "Aoede" }, "future": { "id": "future", "src": "./audio/future.mp3", "text": "Restaurant, grocery store, classroom and playground scenes are planned for future versions. Choose a card to learn about the plan, then return to the street. Understanding different needs helps us build more inclusive places.", "seconds": 18.96, "integratedLUFS": -16.61, "truePeakDbFS": -2.39, "bytes": 227852, "sha256": "2eebb4292bd38e4f525e6a625ee9245ce2d75538ac375c112a2df71eb84cc5ac", "sourceTextSha256": "4f1aeb6ad785ebdae01fd7e6b8837f8cad2db6a6b6a36355f8394fe0a5a5851c", "originalV9Clip": null, "voice": "Aoede" }, "darkness-intro": { "id": "darkness-intro", "src": "./audio/darkness-intro.mp3", "text": "This optional experience explores grey shading and complete darkness. You can preview grey or skip. Complete darkness needs a separate confirmation. Stay comfortably on the sidewalk. Clear, pause and exit remain available.", "seconds": 21.53, "integratedLUFS": -16.67, "truePeakDbFS": -2.42, "bytes": 258668, "sha256": "d87a50ed8221903134eb39f0eef85da72802256b3f005412a2837720846ce5b4", "sourceTextSha256": "ae96f26c08717da4bfb8790be7f8a87596a9c908dadfbce866d311b7dc9db3dd", "originalV9Clip": null, "voice": "Aoede" }, "guide-orientation": { "id": "guide-orientation", "src": "./audio/guide-orientation.mp3", "text": "Look around from your place on the sidewalk. Where are the zebra stripes, the signal, and moving traffic? Explore at your own pace. Point and pinch, or use a controller trigger. Select Found crossing when you are ready.", "seconds": 17.45, "bytes": 209708, "sha256": "f86d3ffd09b51e5a3d01013d383ef317c4d62bc29db5966b8059dcaa3d54ae61", "sourceTextSha256": "6d44885c6b92bd9048091735b9327fb2d1eec9e52516aca35d1aed33fd909cb5", "voice": "Aoede", "integratedLUFS": -16.71, "truePeakDbFS": -2.3 }, "guide-baseline": { "id": "guide-baseline", "src": "./audio/guide-baseline.mp3", "text": "With a clear view, follow a moving car and find the crossing signal. Press the pole button or select Request crossing. Observe the signal changing from wait to walk after traffic clears. Remain seated or standing in place.", "seconds": 19.27, "bytes": 231596, "sha256": "1bbd1eae25f23ef93a93d6c60a9a834574c9f23d5871edcfc27137b7b08fd2a0", "sourceTextSha256": "6a044b09a243e6fd2dc89eb1a73c04d043cd5048092789b2d12ff88649b95b7f", "voice": "Aoede", "integratedLUFS": -16.86, "truePeakDbFS": -2.41 }, "guide-central-find": { "id": "guide-central-find", "src": "./audio/guide-central-find.mp3", "text": "Macular conditions can reduce central detail. Look toward the destination sign. Which letters can you distinguish? Notice what you can still see around the sign. Tell us whether you can read it.", "seconds": 15.96, "bytes": 191852, "sha256": "b974f524d47dd6add2fada42af5f0b559d1253fd1d20f6423d548855a0eb87bc", "sourceTextSha256": "98975b9878716433fbd896a2d66be00986710738824f10a27c076f6f8d54c46b", "voice": "Aoede", "integratedLUFS": -16.75, "truePeakDbFS": -2.42 }, "guide-central-size": { "id": "guide-central-size", "src": "./audio/guide-central-size.mp3", "text": "Stay with the sign. Try mild, moderate, and severe examples. Each changes the size and density of the central patch. Take as much time as you need. When ready, enlarge the lettering and increase its contrast.", "seconds": 20.57, "bytes": 247148, "sha256": "7bb3ab60e8d26d6cba9fbd901c9c64887a39dab0bbeec624ae6031d40cafbd40", "sourceTextSha256": "87c607cffc6e3e893ce3b971f9b9e143ec373bbb49b301c2482a8f82557742f7", "voice": "Aoede", "integratedLUFS": -16.82, "truePeakDbFS": -2.26 }, "guide-central-retry": { "id": "guide-central-retry", "src": "./audio/guide-central-retry.mp3", "text": "Look at the same sign with the same central field loss. The lettering is now larger and the contrast is stronger. Can you pick out more of the words? You can compare with the original sign.", "seconds": 14.28, "bytes": 171692, "sha256": "ece5a1908c55789a7da9480dc346faa2971051c8e76003d99cf68e3ec7cc79ac", "sourceTextSha256": "e1ca6d69c01fe949aa683951230dea923ca18ee46418abbc7b9e91d200daf4a9", "voice": "Aoede", "integratedLUFS": -16.54, "truePeakDbFS": -2.35 }, "guide-central-done": { "id": "guide-central-done", "src": "./audio/guide-central-done.mp3", "text": "The sign reads Library and Park. Enlarging the lettering and increasing contrast helps some people read with their remaining vision. When you are ready, move on to peripheral field loss.", "seconds": 16.03, "bytes": 192716, "sha256": "d78a5339f309932fa6646783e01f9cc45689a6ddf9b0397316055245f7940d24", "sourceTextSha256": "bcaeb4ee2615ec8c98e8369135c02acde58f3a4c2bea0235a6b4874a5dee6f19", "voice": "Aoede", "integratedLUFS": -16.57, "truePeakDbFS": -2.44 }, "guide-peripheral-find": { "id": "guide-peripheral-find", "src": "./audio/guide-peripheral-find.mp3", "text": "Glaucoma and retinitis pigmentosa can reduce vision at the sides. Find a moving car. Does it slip outside your view? Turn your head gently and see if you can pick it up again.", "seconds": 15.65, "bytes": 188108, "sha256": "04d846fa5876b76e70e6bcc435426ed750e8ac2958dba956fe894c5184363068", "sourceTextSha256": "284fb6a80280964c5b2d33786ef9d3fd016637446802b302dfc50ceac087abe2", "voice": "Aoede", "integratedLUFS": -16.91, "truePeakDbFS": -2.4 }, "guide-peripheral-size": { "id": "guide-peripheral-size", "src": "./audio/guide-peripheral-size.mp3", "text": "Try a few different field widths. Scan slowly from side to side and find the crossing signal again. Switch on its audible walk cue to try the next task with sound.", "seconds": 14.04, "bytes": 168812, "sha256": "5c84ff9bebdefdd79d09313c8814f906d911a49a44be1e8d9c3949a67282c5e0", "sourceTextSha256": "2748ecfe2fc2a5a86555df5d46782991267bcbc01d17f0a4e40133d25f44c162", "voice": "Aoede", "integratedLUFS": -16.96, "truePeakDbFS": -2.18 }, "guide-peripheral-retry": { "id": "guide-peripheral-retry", "src": "./audio/guide-peripheral-retry.mp3", "text": "Your field width stays the same. Request the crossing and listen. The crossing button registers the request. After traffic clears, the walk signal adds a repeating tone. Notice what you can learn through hearing as well as sight.", "seconds": 18.48, "bytes": 222092, "sha256": "5ec475ed0559f6e2bc67c4dddbac8e299926e9940e4ec25a9fabde53a62d99bd", "sourceTextSha256": "da8b912cb028959ea13b1537d9fd395e9fe29f721c3732fd285a904e204379cb", "voice": "Aoede", "integratedLUFS": -16.94, "truePeakDbFS": -2.33 }, "guide-peripheral-done": { "id": "guide-peripheral-done", "src": "./audio/guide-peripheral-done.mp3", "text": "The tone marked the walk phase in this simulation. You compared visual scanning with an additional sound cue, all within the same field setting. Finish the main route when you are ready.", "seconds": 14.71, "bytes": 176876, "sha256": "fe272999914058c96c3adab34ec9a3d9c52abee7a29f3cf75b59f3f89eebf56e", "sourceTextSha256": "a2035f3daa3248d6542d8a9412afebe97d3d12ab574cadad6c572488753c0537", "voice": "Aoede", "integratedLUFS": -16.4, "truePeakDbFS": -2.37 }, "guide-done": { "id": "guide-done", "src": "./audio/guide-done.mp3", "text": "Central and peripheral loss changed different parts of the same street. Changing the sign and adding a sound cue changed the task. You can finish here, try patchy loss, or choose an optional darkness preview.", "seconds": 18.89, "bytes": 226988, "sha256": "f790f8ebd99a6c6bf0fdc5688a1941ea69318d54bcfed053f98dcd289c8ffe27", "sourceTextSha256": "4d61739d3e53458947fe92e243bb17b5b1c7536b0449378cec6e3e12ba8e1ea5", "voice": "Aoede", "integratedLUFS": -16.76, "truePeakDbFS": -2.32 }, "guide-patchy-find": { "id": "guide-patchy-find", "src": "./audio/guide-patchy-find.mp3", "text": "Some retinal conditions interrupt scattered areas of vision. Locate the crossing stripes and the destination sign. Notice the gaps near the edge as well as the centre of your view.", "seconds": 15.41, "bytes": 185228, "sha256": "98f6b272a2a9a9b065d447fd41b3d0a7ae85c75a15723a43424d263d75f3e6a2", "sourceTextSha256": "ae185715f618f4c21131ddcca34c31d9ab3b16f2e4b6a84c24da78d25aad4303", "voice": "Aoede", "integratedLUFS": -16.63, "truePeakDbFS": -2.4 }, "guide-patchy-size": { "id": "guide-patchy-size", "src": "./audio/guide-patchy-size.mp3", "text": "Try the patch settings. Notice how more or larger patches interrupt different details. Try a darker shade. Next, compare larger lettering with a spoken version of the same sign.", "seconds": 17.16, "bytes": 206252, "sha256": "edfe74054faf64c427bd72307a89fba679ee11a29ebb698fdf7c5ffa89572373", "sourceTextSha256": "b21b0d8fc632c72e80697644ec1a563a899b4c0bdecc2f93c75586168f3d30dc", "voice": "Aoede", "integratedLUFS": -16.55, "truePeakDbFS": -2.4 }, "guide-patchy-retry": { "id": "guide-patchy-retry", "src": "./audio/guide-patchy-retry.mp3", "text": "Library and Park. That was the destination sign spoken aloud. With the same patches still present, compare listening to the destinations with reading the enlarged sign.", "seconds": 13.87, "bytes": 166796, "sha256": "1a9a96e6cbfb8f9a3e94937d2385a588b10b0b380311146652e37a0a850bdaee", "sourceTextSha256": "76078e1f3e9ef9b3a93741e98937acb9c99249b7122056f5b68e7d81aa032ff6", "voice": "Aoede", "integratedLUFS": -16.76, "truePeakDbFS": -2.42 } }, "voices": [ "Aoede", "Orus" ], "pronunciationMetadataCorrection": { "word": "दिया", "scope": "Regeneration instructions corrected; approved MP3 files retained without regeneration.", "sourceTextSha256": "Per-clip values retain the original synthesis/cache identifiers; they were not recalculated for this metadata correction." } }