opusenc opus-tools 0.1.10 (using libopus 1.1.2) Copyright (C) 2008-2017 Xiph.Org Foundation

Usage: opusenc [options] input_file output_file.opus Encode audio using Opus. The input format can be Wave, AIFF, FLAC, Ogg/FLAC, or raw PCM. input_file can be: filename.wav file - stdin output_file can be: filename.opus compressed file - stdout General options: -h, --help Show this help -V, --version Show version information --help-picture Show help on attaching album art --quiet Enable quiet mode Encoding options: --bitrate n.nnn Set target bitrate in kbit/sec (6-256/channel) --vbr Use variable bitrate encoding (default) --cvbr Use constrained variable bitrate encoding --hard-cbr Use hard constant bitrate encoding --comp n Set encoding complexity (0-10, default: 10 (slowest)) --framesize n Set maximum frame size in milliseconds (2.5, 5, 10, 20, 40, 60, default: 20) --expect-loss Set expected packet loss in percent (default: 0) --downmix-mono Downmix to mono --downmix-stereo Downmix to stereo (if >2 channels) --max-delay n Set maximum container delay in milliseconds (0-1000, default: 1000) Metadata options: --title title Set track title --artist artist Set artist or author, may be used multiple times --album album Set album or collection --genre genre Set genre, may be used multiple times --date YYYY-MM-DD Set date of track (YYYY, YYYY-MM, or YYYY-MM-DD) --comment tag=val Add the given string as an extra comment This may be used multiple times --picture file Attach album art (see --help-picture) This may be used multiple times --padding n Reserve n extra bytes for metadata (default: 512) --discard-comments Don't keep metadata when transcoding --discard-pictures Don't keep pictures when transcoding Input options: --raw Interpret input as raw PCM data without headers --raw-bits n Set bits/sample for raw input (default: 16) --raw-rate n Set sampling rate for raw input (default: 48000) --raw-chan n Set number of channels for raw input (default: 2) --raw-endianness n 1 for big endian, 0 for little (default: 0) --ignorelength Ignore the data length in Wave headers Diagnostic options: --serial n Force use of a specific stream serial number --save-range file Save check values for every frame to a file --set-ctl-int x=y Pass the encoder control x with value y (advanced) Preface with s: to direct the ctl to multistream s This may be used multiple times