# Risset Drum

From Audacity Development Manual
Risset Drum produces a sound based on work by the composer of electronic

music, Jean Claude Risset. It consists of band-pass filtered noise, an enharmonic tone and a relatively strong sine wave at the fundamental.

| Note carefully that when you apply a Generator to a selected time-stretched clip the changed speed of the clip will be automatically rendered. If you apply a Generator to a selection within a time-stretched clip then Audacity will split the original clip so that the selection can be rendered as part of applying the Generator

  Accessed by: Generate > Risset Drum

## Frequency (Hz)

The pitch of the drum note expressed in Hz. This tunes the "fundamental frequency" or "base note" of the sound.

## Decay (seconds)

Determines the length of the drum sound. Longer sounds can sound similar to a gong.

## Center frequency of noise (Hz)

The center frequency of the band-pass filter that is applied to the noise. Higher frequencies can sound as if small cymbals are vibrating with the drum stroke.

## Width of noise band (Hz)

The minimum width of the band-pass filter that is applied to the noise. Higher values can increase the impression of a gong sound.

## Amount of noise in mix (percent)

The amount of noise in the drum sound as a percentage of the mix. Values near maximum can sound like a gun shot if other controls are left at default values.

## Amplitude (0-1)

The peak amplitude of the generated sound.

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