speexenc (1) - Linux Manuals

speexenc: The reference implementation speex encoder.

NAME

speexenc - The reference implementation speex encoder.

SYNOPSIS

speexenc [options] input_file output_file

DESCRIPTION

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