SpectroStream: A Versatile Neural Codec for General Audio
Fuente:
arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866909727316770816 |
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| author | Li, Yunpeng Han, Kehang McWilliams, Brian Borsos, Zalan Tagliasacchi, Marco |
| author_facet | Li, Yunpeng Han, Kehang McWilliams, Brian Borsos, Zalan Tagliasacchi, Marco |
| contents | We propose SpectroStream, a full-band multi-channel neural audio codec. Successor to the well-established SoundStream, SpectroStream extends its capability beyond 24 kHz monophonic audio and enables high-quality reconstruction of 48 kHz stereo music at bit rates of 4--16 kbps. This is accomplished with a new neural architecture that leverages audio representation in the time-frequency domain, which leads to better audio quality especially at higher sample rate. The model also uses a delayed-fusion strategy to handle multi-channel audio, which is crucial in balancing per-channel acoustic quality and cross-channel phase consistency. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_05207 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | SpectroStream: A Versatile Neural Codec for General Audio Li, Yunpeng Han, Kehang McWilliams, Brian Borsos, Zalan Tagliasacchi, Marco Sound Artificial Intelligence Audio and Speech Processing We propose SpectroStream, a full-band multi-channel neural audio codec. Successor to the well-established SoundStream, SpectroStream extends its capability beyond 24 kHz monophonic audio and enables high-quality reconstruction of 48 kHz stereo music at bit rates of 4--16 kbps. This is accomplished with a new neural architecture that leverages audio representation in the time-frequency domain, which leads to better audio quality especially at higher sample rate. The model also uses a delayed-fusion strategy to handle multi-channel audio, which is crucial in balancing per-channel acoustic quality and cross-channel phase consistency. |
| title | SpectroStream: A Versatile Neural Codec for General Audio |
| topic | Sound Artificial Intelligence Audio and Speech Processing |
| url | https://arxiv.org/abs/2508.05207 |