[PD] How to scratch large sound file ?

Antoine Villeret antoine.villeret at gmail.com
Fri Apr 21 22:45:33 CEST 2017


Thanks for the hint,

but how to fill a table with a sound with more than 4000000 samples ?
is there a direct-from-disk solution for that ?
also I need high fidelity playback at nominal speed.

Thanks

Antoine

--
do it yourself
http://antoine.villeret.free.fr

2017-04-21 22:38 GMT+02:00 David <dfkettle at gmail.com>:

> Which one?
>
>
>> It's supposed to be possible with tabread4~, by using the onset inlet.
>> There's an example in one of the help files. I looked at it a year ago and
>> it was incomprehensible. YMMV.
>>
>> If you figure it out, please post a simple example patch. This is my
>> greatest joy-killer in Pd, because I really want to work with audio files
>> which may be 1-2 hrs long.
>>
>> On Friday, April 21, 2017, Antoine Villeret <antoine.villeret at gmail.com>
>> wrote:
>>
>> > Hi,
>> >
>> > I'm looking for the best practice to scratch (change playback speed
>> > quickly) large sound file.
>> >
>> > I've already tried :
>> > - table and tabread4~ but table length is too limited
>> > - readsf~ : can't change playback speed easily (I didn't try resampling
>> > with block~ yet)
>> > - august/readanysf~ : seems pretty great but can't play backward, it
>> also
>> > has a great feature : the return
>> > - moonlib/sfread2~ : works with both positive and negative speed but
>> only
>> > with 16bit audio file and quite buggy (strange output when it can't find
>> > file)
>> > - moonlib/readsfv~ : works only with positive speed
>> >
>> > Does someone know how to play large sound file with playback speed
>> control
>> > (positive and negative) ?
>> >
>> > Thanks
>> >
>> > Antoine
>> > --
>> > do it yourself
>> > http://antoine.villeret.free.fr
>> >
>>
>
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