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Ltx 2.3 Quality · Audio to Video

Integrar

ID dal model ltx-2.3-quality/audio-to-video
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/ltx-2.3-quality/audio-to-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Datotecas sco l'exempel: $0,537 537 credits API · ≈ ₽57,77 tias datotecas vegnan mesiradas avant l'execuziun Lantschar sin questa pagina

Obtegna ina clav API
Lightricks · Video

Tes emprim resultat vegn qua

Construis ina dumonda sutvart e l'exequescha cun tia clav API. Outputs vegnan copiads en nossa memorisaziun, conservads per adina u 7 dis gratuitamain.

Construir ina dumonda

Ils controls vegnan generads dal schema dal model. Il code e ​​il pretsch s'actualiseschan durant che ti als midas.

•obligatori

Prompt che maina la generaziun dal video dirigida tras audio.

•obligatori audio_url
Trametta in datoteca u

URL da la pista audio che maina la generaziun.

resolution standard auto

Dimensiuns finalas da l’output, cun in fallback landscape per 'auto' sch’il `image_url` n’è betg furnì. Cun quel maletg vegn il ratio d’aspect da 'auto' surpiglià.

standard 121

Dumber da frames per l'output generà.

standard 24

Frame rate dal video d’output, mesirà en frames per secunda.

Avanzà negative_prompt · image · video_quality · video_write_mode · num_inference_steps · guidance_scale · image_strength · seed · enable_prompt_expansion · enable_safety_checker
standard color distortion, ove...

Prompt negativ che specifiescha da tge che la generaziun duai evitar.

image_url
Trametta in datoteca u

Maletg dal prim frame furnì tras URL per cumplettar la generaziun che utilisass autramain mo text ed audio; la furniziun è facultativa.

video_quality standard high

Preset da qualitad applitgà al video d’output.

video_write_mode standard balanced

Modus da scriver per il video resultà.

standard 15

Definir quants pass d’inferenza da far, fin a 30; senza midada vegnan utilisads 15.

standard 1

Ajustar la classifier-free guidance cun questa scala; la configuraziun standard mira a qualitad auta e generaziun svelta.

standard 0.7

Furza facultativa da cundiziunament dal prim frame: reducir ella dat al model dapli libertad, entant che 1.0 cuntanscha ina aderanza pli stricta al maletg.

Seed che renda la generaziun reproducibla. Cun definir None vegn tschernì in seed casualmain.

POST /run/ltx-2.3-quality/audio-to-video?wait=20 calculaziun → $0,537
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/ltx-2.3-quality/audio-to-video?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "audio": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Executar questa dumonda

Tia clav resta en quest browser: ella vegn tramessa mo al Doitong API e memorisada (localStorage) mo sch'ella scheccas Tiar a memoria. Obtegnair ina clav API

Davart Ltx 2.3 Quality · Audio to Video

Crea in video che suonda ina pista d’audio inditgada e vegn dirigì dad in `prompt` da text. `audio_url` è obligatoric; `image_url` è facultativ e definescha il prim frame, cun `image_strength` (0 fin 1) che controlla quant exact ch’el vegn mantegnì. Cun `match_audio_length` activ deriva il dumber da frames da la durada da l’audio e da `frames_per_second`; uschiglio vala `num_frames` (9 fin 481). Disponiblas èn set precepts da `resolution`, inclusiv `auto`.

Parameters

Invia u il num canonic u il num nativ, betg omaduas. Nums canonics

NumTip StandardPermess Descripziun
promptobligatori
Tipstring
Prompt che maina la generaziun dal video dirigida tras audio.
audio_urlobligatori audio
Tipurl · audio
URL da la pista audio che maina la generaziun.
image_urlopziunal image
Tipurl · image
Maletg dal prim frame furnì tras URL per cumplettar la generaziun che utilisass autramain mo text ed audio; la furniziun è facultativa.
match_audio_lengthopziunal
Tipboolean
Standardtrue
Modus dal dumber da frames che utilisescha `num_frames` sch’el è deactivà. Cun l’activar vegn il dumber calculà cun `frames_per_second` e la durada da l’audio.
num_framesopziunal
Tipinteger
Standard121
9 – 481
Dumber da frames per l'output generà.
resolutionopziunal
Tipobject
Standardauto
autosquare_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
Dimensiuns finalas da l’output, cun in fallback landscape per 'auto' sch’il `image_url` n’è betg furnì. Cun quel maletg vegn il ratio d’aspect da 'auto' surpiglià.
frames_per_secondopziunal
Tipnumber
Standard24
1 – 60
Frame rate dal video d’output, mesirà en frames per secunda.
num_inference_stepsopziunal
Tipinteger
Standard15
8 – 30
Definir quants pass d’inferenza da far, fin a 30; senza midada vegnan utilisads 15.
guidance_scaleopziunal
Tipnumber
Standard1
1 – 20
Ajustar la classifier-free guidance cun questa scala; la configuraziun standard mira a qualitad auta e generaziun svelta.
generate_audioopziunal
Tipboolean
Standardtrue
Interrupziun da la pista audio per l’MP4 restituì: deactivada producescha ina datoteca mo cun video, activada includa audio.
image_strengthopziunal
Tipnumber
Standard0.7
0 – 1
Furza facultativa da cundiziunament dal prim frame: reducir ella dat al model dapli libertad, entant che 1.0 cuntanscha ina aderanza pli stricta al maletg.
negative_promptopziunal
Tipstring
Standardcolor distortion, overexposure, static, blurry details, subtitles, style, artwork, painting, frame, still, dim overall tone, worst quality, low quality, JPEG compression artifacts, ugly, mutilated, extra fingers, poorly drawn hands, poorly drawn face, deformed, disfigured, malformed limbs, fused fingers, motionless frame, cluttered background, three legs, crowded background, walking backwards
Prompt negativ che specifiescha da tge che la generaziun duai evitar.
seedopziunal
Tipinteger | null
Seed che renda la generaziun reproducibla. Cun definir None vegn tschernì in seed casualmain.
enable_prompt_expansionopziunal
Tipboolean
Standardtrue
Controlla sche l'expansiun dal prompt è activada.
enable_safety_checkeropziunal
Tipboolean
Standardtrue
Controllescha sche la verificaziun da segirezza è activada.
video_qualityopziunal
Tipenum
Standardhigh
lowmediumhighmaximum
Preset da qualitad applitgà al video d’output.
video_write_modeopziunal
Tipenum
Standardbalanced
fastbalancedsmall
Modus da scriver per il video resultà.
obligatori Num canonic, er acceptà

Ils parameters da datotecas acceptan ina URL publica https://, ina URI data: fin a 10 MB u il file_url d'ina chargiada. Datotecas

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "ltx-2.3-quality/audio-to-video",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 537,
    "usd": "0.537",
    "charged": 537,
    "refunded": 0
  },
  "input": {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "audio_url": "https://content.doitong.com/audio/showcase/v3/tools/dub_es.mp3"
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    },
    "seed": 42,
    "prompt": "string"
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Tias datotecas, tia decisiunMintga outputs[].url è ina copia en nossa memorisaziun: conservada per adina (pajà per GB-mes) u 7 dis gratuitamain, tenor la configuraziun dal conto u ?storage=.
La medema structura per mintga modeltype, url, content_type, width, height e duration, tant per maletgs sco per video e audio. output è l'object da resultat dal model sez.
Champs da l'output
video
object {url, content_type, file_name, file_size}Video producì dal model.
seed
integerSeed effectiv applitgà durant la generaziun.
prompt
stringPrompt da generaziun, inclusiv eventuala expansiun applitgada avant l’utilisaziun.

Dapli models: Lipsync e avatars

Per agents AI: questa pagina sco Markdown è disponibla sut https://doitong.com/rm/developers/models/ltx-2.3-quality/audio-to-video.md. Tut ils models e las guidas: https://doitong.com/developers/llms.txt