pvfecho

Langue: en

Autres versions - même langue

Version: 1.5 (mandriva - 01/05/08)

Section: 1 (Commandes utilisateur)

NAME

pvfecho - adds echo to sound signal.

SYNOPSIS

pvfecho [options] [<pvffile in> [<pvffile out>]]

DESCRIPTION

pvfecho adds echo to the sound signal. Input and output is in the pvf (portable voice format) format.

OPTIONS

pvfecho can be called in the pipe mode:

        cat infile.pvf | pvfecho [optons] > outfile.pvf

        pvfecho [options] infile.pvf | <program>

or with two file names:

        pvfecho [options] infile.pvf outfile.pvf

Valid options are:

-h brief help message

-A <n> echo volume factor (default is 0.3)

-D <n> delay in seconds (default is 0.15)

-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)

Normaly, the only options you will need are -A and -D.

EXAMPLES

To add the default echo to a pvf file:

        pvfecho infile.pvf outfile.pvf

SEE ALSO

pvfamp, pvfcut, pvffft, pvffile, pvffilter, pvfmix, pvfnoise, pvfreverse, pvfsine, and pvfspeed

AUTHOR

Mikkel L. Ellertson <mikkel@infinity-ltd.com>