I have a silent or AI-generated video clip and want a sound track: what kinds of video-to-audio systems exist, what do they take in and put out, and which of them can I actually run?
Primary sources split into measured open systems (MMAudio, HunyuanVideo-Foley, ThinkSound: video plus optional text in, audio out, weights on Hugging Face), a measured closed system (Meta Movie Gen Audio, 13B, 48 kHz, up to 30 s per pass plus extension, described as research-only), and vendor showcases (Google V2A blog, Veo 3 joint audio) that give no sample rate, duration or sync metric. Sample rate and clip length differ by system; only the open ones can be inspected or run, and their licences differ (see G033 candidates).
Primary sources split into measured open systems (MMAudio, HunyuanVideo-Foley, ThinkSound: video plus optional text in, audio out, weights on Hugging Face), a measured closed system (Meta Movie Gen Audio, 13B, 48 kHz, up to 30 s per pass plus extension, described as research-only), and vendor showcases (Google V2A blog, Veo 3 joint audio) that give no sample rate, duration or sync metric. Sample rate and clip length differ by system; only the open ones can be inspected or run, and their licences differ (see G033 candidates).
Curator qualifications: Excerpted evidence located (two unexcerpted rows); V2A system families.
Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.
Structured fields
{
"citations": [
{
"url": "https://arxiv.org/abs/2412.15322v2",
"note": "candidate evidence excerpts"
},
{
"url": "https://github.com/hkchengrex/MMAudio/blob/974010a026c731054592d8f777218bd9d85a6c24/README.md",
"note": "candidate evidence excerpts"
},
{
"url": "https://arxiv.org/abs/2410.13720v2",
"note": "candidate evidence excerpts"
},
{
"url": "https://deepmind.google/blog/generating-audio-for-video/",
"note": "candidate evidence excerpts"
},
{
"url": "https://arxiv.org/abs/2508.16930v1",
"note": "candidate evidence excerpts"
},
{
"url": "https://storage.googleapis.com/deepmind-media/Model-Cards/Veo-3-Model-Card.pdf",
"note": "candidate evidence excerpts"
},
{
"url": "https://huggingface.co/FunAudioLLM/ThinkSound/blob/7f152d1a088f91b21307337060216f0dec8d4a8f/README.md",
"note": "candidate evidence excerpts"
}
]
}Evidence claims
- [sourced_fact] Primary sources split into measured open systems (MMAudio, HunyuanVideo-Foley, ThinkSound: video plus optional text in, audio out, weights on Hugging Face), a measured closed system (Meta Movie Gen Audio, 13B, 48 kHz, up to 30 s per pass plus extension, described as research-only), and vendor showcases (Google V2A blog, Veo 3 joint audio) that give no sample rate, duration or sync metric. Sample rate and clip length differ by system; only the open ones can be inspected or run, and their licences differ (see G033 candidates). · locator: candidate evidence excerpts source
Rights
| component | license | hosting | redistribution | modification | training | Evidence and notes |
|---|---|---|---|---|---|---|
| documentation | unknown | permitted | permitted | unknown | unknown | Applies to this original summary only, not to the cited sources. |
Linked records
- cites → https://arxiv.org/abs/2410.13720v2
- cites → https://arxiv.org/abs/2412.15322v2
- cites → https://arxiv.org/abs/2508.16930v1
- cites → https://deepmind.google/blog/generating-audio-for-video
- cites → https://github.com/hkchengrex/MMAudio/blob/974010a026c731054592d8f777218bd9d85a6c24/README.md
- cites → https://huggingface.co/FunAudioLLM/ThinkSound/blob/7f152d1a088f91b21307337060216f0dec8d4a8f/README.md
- cites → https://storage.googleapis.com/deepmind-media/Model-Cards/Veo-3-Model-Card.pdf