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# renpy.music.set_volume

Function: | renpy.music.set_volume | (volume, delay=0, channel="music"):

This sets the volume of the named channel. The volume is a number between 0.0 and 1.0, and is interpreted as a fraction of the mixer volume for the channel.

It takes delay seconds to change the volume. This value is persisted into saves, and participates in rollback.

## Example

        # Start some music playing in the background
        play music "mozart.ogg"

        "Some music is playing at normal volume."

        # Lower the music volume by half
        $ renpy.music.set_volume(0.5, .5, channel="music")

        "Let's lower the music volume by half"

        # Set back the music volume to its original volume number
        $ renpy.music.set_volume(1.0, .5, channel=7)

        "Let's set back the music volume to its original volume number"

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