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In Opus 1.5, we added a deep learning based redundancy encoder that enhances audio in lossy networks by embedding one second of recovery data in the padding data of each packet. The underlying algorithm behind encoding and decoding the recovery data is called the deep redundancy (DRED) algorithm. By leveraging the padding data within the packet, Opus 1.5 is fully backward compatible with prior revisions of Opus. Please see the README under the "dnn" subdirectory to understand DRED.

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In Opus 1.5, we added a deep learning based redundancy encoder that enhances audio in lossy networks by embedding one second of recovery data in the padding data of each packet. The underlying algorithm behind encoding and decoding the recovery data is called the deep redundancy (DRED) algorithm. By leveraging the padding data within the packet, Opus 1.5 is fully backward compatible with prior revisions of Opus. Please see the README under the "dnn" subdirectory to understand DRED.
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Alexander Monakov (amonakov@mastodon.gamedev.place)'s status on Tuesday, 27-Aug-2024 19:02:19 JST Alexander Monakov
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@wolf480pl @icedquinn but even without floating-point, you can get different decodes if your other version of ffmpeg doesn't know about the clever backward-compatible upgrade:

In conversation about 9 months ago from mastodon.gamedev.place permalink