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pvfamp
Langue: en
Version: 1.4 (mandriva - 01/05/08)
Section: 1 (Commandes utilisateur)
NAME
pvfamp - pvf file amplitude adjustment.SYNOPSIS
pvfamp [options] [<pvffile in> [<pvffile out>]]DESCRIPTION
pvfamp increases or decreases the volume of the sound signal. Input and output is in the pvf (portable voice format) format.OPTIONS
pvfamp can be called in the pipe mode: cat infile.pvf | pvfamp [optons] > outfile.pvf
pvfamp [options] infile.pvf | <program>
or with two file names:
pvfamp [options] infile.pvf outfile.pvf
Valid options are:
-h brief help message
-A <n> amplification factor (default is 1.0)
n < 1 decreeses amplitude
n > 1 increeses amplitude
-a output pvf ascii format
-b output pvf binary format (default)
-8 output 8 bit samples
-16 output 16 bit samples
-32 output 32 bit samples (default)
Usually the -A option is the only option needed.
EXAMPLES
To double the volumn of a pvf file: pvfamp -A 2 infile.pvf outfile.pvf
To convert a pdf file to a .wav file at 3/4 volumn:
pvfamp -A 0.75 infile.pvf | pvftowav > outfile.wav
SEE ALSO
pvfcut, pvfecho, pvffft, pvffile, pvffilter, pvfmix, pvfnoise, pvfreverse, pvfsine, and pvfspeedAUTHOR
Mikkel L. Ellertson <mikkel@infinity-ltd.com>Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre