Broadcast Tech + Engineering NewsBroadcast Tech & Engineering News - Google AI unveils low-bitrate audio codec...

Broadcast Tech & Engineering News – Google AI unveils low-bitrate audio codec for speech compression

Google AI has unveiled Lyra, a new low-bitrate audio codec for speech compression. With the ongoing challenge of developing codecs that increase quality, using less data while minimizing latency, Lyra aims to make voice communication possible even on the slowest networks by leveraging advances in machine learning (ML). Using models trained on thousands of hours of data to create a novel method for compressing and transmitting voice signals, features or distinctive speech attributes, are extracted from speech every 40ms and then compressed for transmission. On the other end, a generative model uses those features to recreate the speech signal.

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