Hacker News with Generative AI: Audio Compression

FLAC 1.5 Delivers Multi-Threaded Encoding (phoronix.com)
FLAC 1.5 is out today as the newest feature update to the software built around the Free Lossless Audio Codec.
Toward a Sparse Interpretable Audio Codec (cochlea.xyz)
Most widely-used modern audio codecs, such as Ogg Vorbis and MP3, as well as more recent "neural" codecs like Meta's Encodec or Descript's are based on block-coding; audio is divided into overlapping, fixed-size "frames" which are then compressed. While they produce excellent reproduction quality and can be used for downstream tasks such as text-to-audio, they do not produce an intuitive, directly-interpretable representation.
MLow: Meta's low bitrate audio codec (engineering.fb.com)
Zimtohrli: A New Psychoacoustic Perceptual Metric for Audio Compression (github.com/google)