ameter

An Alsa meter plugin for Linux audio softwares, with a graphical display

This program aims at giving level metering capability to Linux Alsa audio programs that does not have it, and that cannot use Jack/Meterbrige ( Glame, aplay/arecord or mplayer are examples).

It can be used also for OSS applications like Realplayer (using Alsa OSS Compat library (provides a oss wrapper), and a properly written .asoundrc