Forums > MaxMSP

Groove~ and Click

June 12, 2006 | 5:54 am

Hi!
I’m new un MAx msp,. I’ve made a simple patch with Groove to sample audio in real time.But the groove~ make some click in Loop mode.I’ve tryed a lot of issue but no succes. Is there a way to avoid these Click?

Regards

Nicolas


June 12, 2006 | 9:56 am

have you tried using the Loop Sync Output? or turning loop interpolation on?


June 12, 2006 | 11:43 am

Hi!
Thx but loopinterp $1 don’t avoid click.And how can use Loop sync output to avoid these click?

Regards

Nicolas


June 12, 2006 | 12:20 pm

you cannot. it is not the groove~ object which causes
clicks, it is the fact that you are looping the sample.

you could process the sample in the buffer by filtering
the end and begin in a way to avoid clicks, but that is
out of the question as soon as you want to have dynamic
start and end points for the loop.

i am using waves restoration in OS 9 and powercore
resoration plug-ins in OS X but you can also make a
simple declicker right in you max app behind the groove …

-110


June 12, 2006 | 12:25 pm

old problem……..
I use an external from taptools.

Good stuff

Federico

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June 12, 2006 | 1:01 pm

tap.anticlick~

http://www.electrotap.com/taptools/


June 12, 2006 | 1:02 pm

I think what youre probably after (its free) is the xgroove-external
from the xsample library.

http://www.parasitaere-kapazitaeten.net/~thomas/ext/

cheers.
m


June 12, 2006 | 1:57 pm

or use

tap.buffer.snap~

to exactify your loop points.

(hmm – exactify – nice!)

David


June 12, 2006 | 3:25 pm

did i miss something? why can’t loop sync be used to make an envelope for the sample? like trapezoid~?


June 12, 2006 | 4:40 pm

I place a 10 ms 40dB ramp in the audio at the start of the record and then hold off the end of recording for 10ms while I do the same to the tail. I also use snapshot to do a similar shaping at playback. However this playback shaping is only applied when varying the start and stop points. Also make sure you AC couple the audio (dcblocker~) right before it hits the record buffer.

The timing of the above system is slightly (10ms) behind (and long) so I have a pre-delay I can invoke when fixing the initial offset is critical, but I just live with the extra length. I have found this approach to let me sample, loop and modify with impunity.

KMc

Roman Thilenius wrote:

you cannot. it is not the groove~ object which causes
clicks, it is the fact that you are looping the sample.

you could process the sample in the buffer by filtering
the end and begin in a way to avoid clicks, but that is
out of the question as soon as you want to have dynamic
start and end points for the loop.

i am using waves restoration in OS 9 and powercore
resoration plug-ins in OS X but you can also make a
simple declicker right in you max app behind the groove …

-110

http://www.vst-mac.info/

Keith McMillen
Executive Director
BEAM Foundation
http://www.beamfoundation.org
510.502.5310


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