Method: AudioStream::Fx::Tremolo#process

Defined in:
lib/audio_stream/fx/tremolo.rb

#process(input) ⇒ Object 



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# File 'lib/audio_stream/fx/tremolo.rb', line 14

def process(input)
  window_size = input.window_size

  streams = input.streams.map {|stream|
    stream.map.with_index {|f, i|
      f * (1.0 + @depth * Math.sin((i + @phase) * @period))
    }
  }
  @phase = (@phase + window_size) % (window_size / @period)

  Buffer.new(*streams)
end