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setVolumeRamp(fromStartVolume:toEndVolume:timeRange:)

Sets a volume ramp to apply during a specified time range.

Declaration

func setVolumeRamp(fromStartVolume startVolume: Float, toEndVolume endVolume: Float, timeRange: CMTimeRange)

Parameters

  • startVolume:

    The starting volume. The value must be between 0.0 and 1.0.

  • endVolume:

    The end volume. The value must be between 0.0 and 1.0.

  • timeRange:

    The time range over which to apply the ramp.

See Also

Setting the volume