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window​

window(
    @wintype 'hann'
    @winnormalized 0
    @zeropadding 0
    @zerophase 0
) -> llll

Generates an audio process operation for applying a windowing function to a buffer.

Arguments​

  • @wintype [symbol]: Window type, as a symbol (default: 'hann').
    • 'rectangular'
    • 'triangular'
    • 'sine'
    • 'hann'
    • 'hamming'
    • 'blackman'
    • 'nuttall'
    • 'blackmannuttall'
    • 'blackmanharris'
    • 'gaussian'
    • 'sqrthann'
    • 'sqrthamming'
  • @winnormalized [int]: Normalize window samples to sum up to 1 and multiply by a factor of 2. (default: 0).
    • 0: Off
    • 1: On
  • @zeropadding [int]: Number of samples for zero padding. (default: 0).
  • @zerophase [int]: Zero phase windowing (default: 0).
    • 0: Off
    • 1: On

Output​

Window operation [llll]

Usage​

window is meant to be used with the process function:

$buffer = importaudio('singing.wav'); ## input buffer
$op = window(); ## processing operation
$buffer = $buffer.process($op); ## apply processing
$buffer.view('after window process')