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OxiAudio 0.2.1 is a deep Opus conformance-hardening release: the CELT frame-size ceiling is raised from 80 bytes (~32 kbps) to the RFC's real 1275-byte limit (510 kbps mono) by fixing a celt_bits2pulses/celt_pulses2bits partition-scale clamp bug, CBR frames stop silently shrinking, hybrid packets are now entropy-exact, and encode_opus is RFC 6716-conformant by default. Pure Rust audio codec + DSP layer for the COOLJAPAN ecosystem.
OxiAudio is the COOLJAPAN Pure-Rust audio codec and DSP layer — decode FLAC/WAV/MP3/Vorbis/AAC/ALAC/Opus/WavPack/Musepack/MIDI and encode WAV/RF64/FLAC/AIFF/AU with no FFI, plus a full DSP toolkit (filters, dynamics, reverb, phase vocoder, pitch detection, EBU R128 loudness, MFCC/STFT). A clean, memory-safe alternative to libFLAC, libvorbis, libopus, and dr_libs — part of the NoFFI / COOLJAPAN sovereign Rust stack.