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diff --git a/DOCS/sound.html b/DOCS/sound.html index 977ffdbfcc..e4eb541a79 100644 --- a/DOCS/sound.html +++ b/DOCS/sound.html @@ -211,5 +211,28 @@ sound.</p> and is mentioned here for the sake of completeness only. Do not use this plugin unless you are a developer.</P> +<P><B><A NAME=2.3.2.2.5>2.3.2.2.5. Software volume control</A></B></P> + +<P>This plugin is a software replacement for the volume control, and + can be used in machines with broken mixer device. It can also be + used if one wants to change the output volume from <B>MPlayer</B> + without changing the PCM volume setting in the mixer. It has one + switch <CODE>volume</CODE> that is used for setting the initial + sound level. The initial sound level can be set to values between 0 + and 255 and defaults to 255. Use this plugin with caution since it + can reduce the signal to noise ratio of the sound. In most cases it + is best to set the level for the PCM sound to max, leave this plugin + out and control the output level to your speakers with the mixers + master volume control. If there is an external amplifier connected + to the computer (this is almost always the case), the noise level + can be minimized by adjusting the master level and the volume knob + on the amplifier until the hissing noise in the background is gone. +</P> + +<P>Usage :<BR> + <CODE>mplayer media.avi -aop + list=volume:volume=<0-255></CODE> +</P> + </BODY> </HTML> |