[PD] Sample loop - start and end point (WAV files)

[adam johnson]

Cue and loop points are saved in the metadata, the appropriate chunks are
shown here
https://sites.google.com/site/musicgapi/technical-documents/wav-file-format#cue
. Audacity will run on most anything and can read loop points.

On Sun, Nov 8, 2020 at 8:16 PM Alexandre Torres Porres <porres at gmail.com>
wrote:

> Ingo, did you have any luck on this throughout the year?
>
> I'm also curious on this. Anyway, I had another thread here and someone
> suggested http://loopauditioneer.sourceforge.net/ that seems to read loop
> points - but I can't test it because it's linux
>
> Em qua., 12 de fev. de 2020 às 05:39, Ingo <ingo at miamiwave.com> escreveu:
>
>> There are softwares like AwaveStudio that do nothing else but format
>> conversion between different sampler formats that can handle the loop
>> points
>> as well.
>>
>>
>> > I have been working with hardware samplers since the 80ies and used
>> > (mainly) softwares like SoundForge or Wavelab for looping.
>> > There was no extra file. All hardware samplers could read the loops.
>> Once a
>> > file was looped with one sampler it would be looped with the next one.
>> > Same thing with modern software Samplers like Kontakt.
>> > I can use a sample that I looped in Wavelab and load it into SoundForge
>> and
>> > it
>> > recognizes the loops.
>> > (There are options for multiple loops, though that might not work with
>> some
>> > samplers.)
>> >
>> > It can't be such a secret since over 30 years that all manufacturers
>> > (software
>> > or hardware) know about it but noone else.
>> > I have been looking around but couldn't find any information where the
>> > loops are stored in the file but they definitely are.
>> >
>> > Ingo
>> >
>> >
>> > > -----Original Message-----
>> > > From: Pd-list [mailto:pd-list-bounces at lists.iem.at] On Behalf Of
>> Roman
>> > > Haefeli
>> > > Sent: Wednesday, February 12, 2020 8:48 AM
>> > > To: pd-list at lists.iem.at
>> > > Subject: Re: [PD] Sample loop - start and end point (WAV files)
>> > >
>> > > On Tue, 2020-02-11 at 21:22 -0800, Alexandre Torres Porres wrote:
>> > > > Well, I was really really hoping to see information here on how to
>> > > > get loop points from these files ;)
>> > >
>> > > I looked around for specifications of the .wav-format and I wasn't
>> > > able to find one that looks canonical. The ones I found didn't mention
>> > > any loop start- and endpoints. I wonder whether there is a convention
>> > > about how to encode this into some sort of metadata stored with file.
>> > > Some description of the format describe the ability to store anything
>> > > as metdata. Personally, I never dealt with such files (at least not
>> > > knowingly). Maybe a good start would be to provide such a file, so
>> > > that people can a have a look at it. It might be not that difficult to
>> > > retrieve such data with something like mrpeach's [binfile], once you
>> know
>> > how it is stored.
>> > >
>> > >
>> > > Roman
>>
>>
>>
>>
>>
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