Pd is a graphical programming environment for real-time audio synthesis and related applications. It sports a rich set of real-time control and I/O features.
To get a list of allowable arguments to pd, type
pd -help
and for more documentation either start pd and get help, or consult
-alsa until Debian 3.0 (Woody);
-audiobuf until Debian 3.0 (Woody);
-d until Debian 3.0 (Woody);
-font until Debian 3.0 (Woody);
-frags until Debian 3.0 (Woody);
-fragsize until Debian 3.0 (Woody);
-inchannels until Debian 3.0 (Woody);
-lib until Debian 3.0 (Woody);
-noadc until Debian 3.0 (Woody);
-nodac until Debian 3.0 (Woody);
-nomidiin until Debian 3.0 (Woody);
-nomidiout until Debian 3.0 (Woody);
-nosound until Debian 3.0 (Woody);
-open until Debian 3.0 (Woody);
-outchannels until Debian 3.0 (Woody);
-path until Debian 3.0 (Woody);
-r until Debian 3.0 (Woody);
-realtime until Debian 3.0 (Woody);
-rme until Debian 3.0 (Woody);
-soundindev until Debian 3.0 (Woody);
-soundoutdev until Debian 3.0 (Woody);
-verbose until Debian 3.0 (Woody).