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### 4.8 Sound options

#### 4.8.1 ambiance-exclude

Command-line option: `--ambiance-exclude=<value>`
Environment variable: `LW6_AMBIANCE_EXCLUDE`
XML key: `ambiance-exclude`

  Type: string

  Default value:

  If this string is present in a music file name, this file won’t be played during the menus, it will be excluded from the list.

#### 4.8.2 ambiance-file

Command-line option: `--ambiance-file=<value>`
Environment variable: `LW6_AMBIANCE_FILE`
XML key: `ambiance-file`

  Type: string

  Default value:

  A music file which will be used to be played during the menus. If not found, game will fallback on random files.

#### 4.8.3 ambiance-filter

Command-line option: `--ambiance-filter=<value>`
Environment variable: `LW6_AMBIANCE_FILTER`
XML key: `ambiance-filter`

  Type: string

  Default value: Chadburn

  A music filter, used to select the files which are played while navigating in the menus. It works like ’music-filter’ except this one is not related to a peculiar map. This is not a complex regex-enabled filter, just a plain string search. Even the ’*’ wildcard won’t work.

#### 4.8.4 fx-volume

Command-line option: `--fx-volume=<value>`
Environment variable: `LW6_FX_VOLUME`
XML key: `fx-volume`

  Type: float

  Default value: 0.3 Min value: 0 Max value: 1

  Set the sound effects volume. This is a floating point value. 0 is mute. Maximum value is 1.

#### 4.8.5 music-volume

Command-line option: `--music-volume=<value>`
Environment variable: `LW6_MUSIC_VOLUME`
XML key: `music-volume`

  Type: float

  Default value: 0.6 Min value: 0 Max value: 1

  Set the music volume.This is a floating point value. 0 is mute. Maximum value is 1.

#### 4.8.6 snd-backend

Command-line option: `--snd-backend=<value>`
Environment variable: `LW6_SND_BACKEND`
XML key: `snd-backend`

  Type: string

  Default value: ogg

  Sets the sound backend AKA ’snd’ to use. Can be ’ogg’ or ’csound’ but only ’ogg’ will produce sound in the current release.

#### 4.8.7 water-volume

Command-line option: `--water-volume=<value>`
Environment variable: `LW6_WATER_VOLUME`
XML key: `water-volume`

  Type: float

  Default value: 0.2 Min value: 0 Max value: 1

  Set the volume for water sounds. This is a floating point value. 0 is mute. Maximum value is 1.

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