speexenc (1) - Linux Manuals
speexenc: The reference implementation speex encoder.
NAME
speexenc - The reference implementation speex encoder.SYNOPSIS
speexenc [options] input_file output_fileDESCRIPTION
Encodes input_file using Speex. It can read the WAV or raw files.input_file can be:
- filename.wav
- wav file
- filename.*
- Raw PCM file (any extension other than .wav)
- -
- stdin
output_file can be:
- filename.spx
- Speex file
- -
- stdout
OPTIONS
- -n, --narrowband
- Narrowband (8 kHz) input file
- -w, --wideband
- Wideband (16 kHz) input file
-
-u, --ultra-wideband "Ultra-wideband" (32 kHz) input file
- --quality n
-
- Encoding quality (0-10), default 8
- --bitrate n
- Encoding bit-rate (use bit-rate n or lower)
- --vbr
- Enable variable bit-rate (VBR)
- --abr rate
- Enable average bit-rate (ABR) at rate bps
- --vad
- Enable voice activity detection (VAD)
- --dtx
- Enable file-based discontinuous transmission (DTX)
- --comp n
- Set encoding complexity (0-10), default 3
- --nframes n
- Number of frames per Ogg packet (1-10), default 1
- --comment
- Add the given string as an extra comment. This may be used multiple times
- --author
- Author of this track
- --title
- Title for this track
- -h, --help
- This help
- -v, --version
- Version information
- -V
- Verbose mode (show bit-rate)
Raw input options:
- --rate n
- Sampling rate for raw input
- --stereo
- Consider raw input as stereo
- --le
- Raw input is little-endian
- --be
- Raw input is big-endian
- --8bit
- Raw input is 8-bit unsigned
- --16bit
- Raw input is 16-bit signed
Default raw PCM input is 16-bit, little-endian, mono
More information is available from the Speex site: http://www.speex.org
Please report bugs to the mailing list `speex-dev [at] xiph.org'.
COPYRIGHT
Copyright © 2002 Jean-Marc Valin