[PD] Seamless recording of 2 consecutive audio files?

Peter Plessas plessas at mur.at
Tue Jan 6 23:59:18 CET 2009

Hi all,

Roman Haefeli wrote:
> On Tue, 2009-01-06 at 13:43 +0100, Peter Plessas wrote:
>> Dear Frank, List
>> thanks for that help! Yes indeed it works and i have been able of doing 
>> it with less objects and the help of bang~ as well.
>> There is one thing i still don't get:
>> I always thought pd would try to execute non-signal messages inbetween 
>> audio blocks. And for two messages this would be the same interval 
>> unless Pd had too many messages to calculate and defers them after the 
>> next audio block. But the writesf~ example shows that this is not 
>> necessarily the case.
> i am sorry for being too lazy to test myself, butwhat is the actual
> result of this? does [writesf~] start recording between block
> boundaries? or does it stop recording between boundaries? or is there
> another reason for being forced to use [bang~]? 
> i somehow assumed, that [writesf~] doesn't use scheduled messages...

I always thought that Pd would execute messages in between audio blocks. 
So if i sent two messages (stop old file, start new file), i expected 
them to happen in a gap between two blocks, hence gapless recorded files 
possible. Franks demonstration shows that i have to explicitly time 
those messages according to a block~ (or equivalent) in order to get 
this behavior. Still all blurry to me, let's look on!

regards, PP

> roman
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