opusenc
命令手册Convert WAV or FLAC audio to Opus. More information: https://opus-codec.org/docs/opus-tools/opusenc.html.
opusenc {{path/to/input.wav}} {{path/to/output}}.opus
opusenc --bitrate {{512}} {{path/to/input.wav}} {{path/to/output}}.opus
opusenc --bitrate {{1536}} {{path/to/input.flac}} {{path/to/output}}.opus
opusenc {{path/to/input.wav}} --downmix-mono --bitrate {{6}} {{path/to/out}}.opus