[PD] Looping samples with tabread4~

Matteo Sisti Sette matteo.sistisette at email.it
Thu May 17 12:49:46 CEST 2007

Yes, I did once exactly what you describe, and it works.

(well to be precise I didn't do *exactly* what you described: I snapshotted 
the vline~ output to get the current position, so it worked only within 
block accuracy; however, I understand your solution and it should definitely 
work with (sub)sample accuracy)

However, in this approach the pitch input is control, i.e. number, it is not 
a signal.
This doesn't allow for a signal input pitch.

You can "change the pitch at any time" but you cannot have an oscillator 
*continuously* regulating the pitch for instance.

----- Original Message ----- 
From: "Roman Haefeli" <reduzierer at yahoo.de>
To: "Matteo Sisti Sette" <matteo.sistisette at email.it>
Cc: <pd-list at iem.at>
Sent: Thursday, May 17, 2007 12:27 PM
Subject: Re: [PD] Looping samples with tabread4~

On Thu, 2007-05-17 at 11:21 +0200, Matteo Sisti Sette wrote:
> Frank Barknecht wrote:
> >> 4. Simply using a vline~ object and ?loop it? with a different
> >> start position the second time onwards.
> >I'd simply do 4).
> That's ok if you're not gonna change the pitch while playing the sample.

theoretically, this approach should also work well with changing the
pitch while playing, if i am not totally mistaken. i never tried to
implement it myself yet, but since you send a message to [vline~] you
also know at any time, where [vline~] actually is. the idea is to
measure the time between the inital message to [vline~] and the moment,
where you want to change the pitch. with the timevalue and the values
from the initial message you could calculate [vline~] actual position.
with taking into account [vline~]'s actual position and the new pitch,
you could generate a new message for [vline~]. like that, it should be
possible to change the pitch at any time with (sub-?)sample accuracy and
without having jumps in the playback.


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