Change Volume (or Note velocities)

GNMIDI

Change Volume (or Note velocities)

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[in menu Modify/Volume operations]

You can choose between modifying volume by volume controllers or note velocities. You can change original values percentually or set them to a new constant value.

Hint: Prefer modifying volume controllers but if the volume controllers are already at maximum level then only way might be to increase note velocities.

Percentage

Enter a percentage between 0% and 1000%. Percentage 100% does not change volume.

Value

Enter a value between 0 and 127. Value 0 is not allowed for setting note velocities, this value has a reserved meaning in MIDI.

Channels

Optionally choose a channel between 1 and 16 or all channels (default is all channels).

Minimum Value

Values smaller than minimum value will be set to minimum value (default: 0)

Maximum value

Values higher than maximum value will be set to maximum value (default: 127)

Turn off "adjust volume to common level" option in menu settings, when you test the volume changes with GNMIDI player, since this option will automatically adjust volume of played song to a common level.

Volume can be changed also for mp3 files if FFmpeg package is installed.
For mp3 file only relative volume changes can be done e.g. 120% or +3dB.
Use option Value 103 for +3dB and 97 for -3dB (percent or value 100 means no volume change for mp3).
Too high or too low values might cause error during FFmpeg conversion.

Hint: options Note velocities, minimum value, maximum value, channels are ignored for mp3 file