SPOOKY : [PD] Hammerfall : setting up latency for Pd

Matthew Nish-Lapidus mattn-l at rogers.com
Wed Mar 10 16:03:06 CET 2004


I get this exact same problem on OS X. .. I've mentioned it before on  
the list, but there really hasn't been a solution as of yet.

Any less than a "buffer 15" setting and sound is completely distorted..  
I'm using the MOTU 828mk2

/*
Matt Nish-Lapidus

www.ekran.org/mn-l
matt at ekran.org // mattn-l at rogers.com

"What's this fish doing in my ear?"
*/

On 10-Mar-04, at 9:53 AM, julien.breval at tremplin-utc.net wrote:

> Still under WinXP and pd-0.36
>
> Well, I don't understand a lot of things about it :
>
> when I launch pd with the "-audiobuf 3" flag (so the sound card buffer  
> size /
> latency should be 128 samples / 3 ms.), I get this message :
>
> ======================================================================= 
> ======
> nchan 8 flags 3 buffers 0 framesperbuf 256
> warning : number of buffers 0 less than recommended minimum 2
> ======================================================================= 
> ======
>
> no latency, but the sound is completely distored (~ buffer error)
>
> When I add the "-blocksize 128" or "-blocksize 64" flag : ~ same  
> results
> ("framesperbuf" looks to be controlled by the "-blocksize" flag)
>
>
>
> to avoid this, I have to put at least "-audiobuf 15", and I get this  
> message :
> ======================================================================= 
> ======
> nchan 8 flags 3 buffers 4 framesperbuf 256
> ======================================================================= 
> ======
> and too many latency of course
>
>
>
> strange : when I don't use "-audiobuf", I get :
> ======================================================================= 
> ======
> nchan 8 flags 3 buffers 8 framesperbuf 256
> ======================================================================= 
> ======
>
>
> Is it really the ASIO Hammerfall driver I am using ? how can I be sure  
> ?
>
>
> Before I switch again to Linux, please tell me which pd command line  
> you use
> successfully under WinXP-pro
>
> thanks a lot
>
> j
>
>
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