paulstretch
paulstretch(
@stretching 1
@timeunit 2
@envtimeunit 2
@spectral 1
@framesize 8192
) -> llll
Generates an audio process operation for applying time-stretching to a buffer.
Arguments
@stretching
[int/float/llll]: Stretching amount, as single number or envelope. (default:1
).@timeunit
[int]: Time unit for@stretching
. (default:2
).0
: Milliseconds1
: Samples2
: Duration ratio3
: Milliseconds difference4
: Samples difference
@envtimeunit
[int]: Time unit for@stretching
envelope. (default:2
).0
: Milliseconds1
: Samples2
: Duration ratio3
: Milliseconds difference4
: Samples difference
@spectral
[int]: Stretching mode. (default:1
).0
: Frequency domain1
: Time domain
@framesize
[int]: Analysis frame size, in samples. (default:8192
).
Output
Paulstretch operation [llll]
Usage
paulstretch
is meant to be used with the process
function:
$buffer = importaudio('singing.wav'); ## input buffer
$op = paulstretch(@stretching 0.5); ## processing operation
$buffer = $buffer.process($op); ## apply processing
$buffer.view('after paulstretch process')