roarfilt1

Usage

Overview

This filters the audio data before they are send to the soundcard.

Options

NOTE: This list is incomplete! In addition to this list this program provides compatible options for esdfilt. You can just replace the "esd" in the name with "roar" or use symlinks. This options are for compatibly only and should not used in new programs.

--help

Print some help text.

Options

--rate RATE, -R RATE

Set server sample rate.

--bits BITS, -B BITS

Set server bits.

--chans CHANNELS, -C CHANNELS

Set server channels.

Options

--server SERVER

The server to connect to.

Options

--half

Half the volume.

--double

Double the volume.

--amp n, --mul n

Amplify volume by n.

--div n

Divide volume by n.

Options

--filter name

This adds a new filter of name name.

--ffreq freq

This sets a frequency for the filter.

--fmul mult

This sets a multiplier for the filter.

--fdiv div

This sets a divider for the filter.

--fn N

This sets the filter's N value.

--flimit limit

This sets the filter's limit value.

--fmode mode

set filter mode parameter This sets the filter mode. Symbolic values are currently not supported.

--fq Q

This sets the filter quality.

Environment

Below only the basic environment variables are listend. For a complete list see libroar(7).

HOME

The users home directory.

ROAR_SERVER

The address of the listening server. This may be in form of host:port for TCP/IP connections and /path/to/sock for UNIX Domain Sockets or any other supported format. See roartips(7) for a full list. This is the same as the --server option.