[PD] external for sample loop start and end points?

Andy Farnell padawan12 at obiwannabe.co.uk
Sun Mar 8 18:35:12 CET 2009




Not sure if you could describe the job as simple 
because after the initial header (which [wavinfo]
reads using byte/word offsets) the data format
can become variable length before you encounter 
loop chunks.

http://www.sonicspot.com/guide/wavefiles.html

Also, there can be several loop points and cues,
so how should it work?

It would be great to have an object that could
usefully do all the cool things possible with
ordinary wav files, but it needs a bit of thought.

Maybe a message like [loop 3( could advance the 
output to give the third loop boundaries,
and [next( could advance the "sampler" chunk
and show the number of repeats.
That way you could use wavs in a tracker style 
as they are in simple game music audio.

What lib were you thinking of to simplify
the job Hans?

I think I suggested before, the idea of a more
advanced "sampler" type object set for extended.
(one that could eventually be extended by user code
to read Akai, NI and Yamaha formats and suchlike)

A more complete [wavinfo] would be a step in
that direction.





On Sun, 8 Mar 2009 12:01:19 +0100
"Ingo Scherzinger" <ingo at miamiwave.com> wrote:

> Unfortunately I don_t have any programming skills. Otherwise I would do
> something myself.
> 
> To me it appears to be rather simple to expand the existing [waveinfo] to
> also read out sustain and release loop start and endpoints as well as the
> original pitch that was set. The basics about reading that information are
> already in this external.
> 
> As mentioned this would speed up the creation of sample based pitched
> instruments tremendously.
> 
>  
> 
> Ingo
> 
>  
> 
>   _____  
> 
> Von: Hans-Christoph Steiner [mailto:hans at eds.org] 
> Gesendet: Freitag, 6. März 2009 01:22
> An: Ingo Scherzinger
> Cc: pd-list at iem.at
> Betreff: Re: [PD] external for sample loop start and end points?
> 
>  
> 
>  
> 
> That would be very handy to have, since other apps use that wav info.  It
> wouldn't be too hard to write one, I am sure there is a library which
> handles the hard parts.
> 
>  
> 
> .hc
> 
>  
> 
> On Mar 2, 2009, at 9:51 AM, Ingo Scherzinger wrote:
> 
>  
> 
> Hi,
> 
>  
> 
> I am looking for an external that can read the sample loop start and end
> points of a .wav file.
> 
> I found [wavinfo] but that doesn_t do the trick _ no loop info!
> 
>  
> 
> It would be great if anybody knew anything like that!
> 
>  
> 
> Thank you, Ingo
> 
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> ----------------------------------------------------------------------------
> 
>  
> 
> If you are not part of the solution, you are part of the problem.
> 
>  
> 
>  
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> 


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