google/lyra

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Lyra: a generative low bitrate speech codec What is Lyra? Lyra is a high-quality, low-bitrate speech codec that makes voice communication available even on the slowest networks. To do this it applies traditional codec techniques while leveraging advances in machine learning (ML) with models trained on thousands of hours of data to create a novel method for compressing and transmitting voice signals. Overview The basic architecture of the Lyra codec is quite simple. Features are extracted from speech...