[PD] groove machine how to: keep metro and a loop in sync

peiman khosravi peimankhosravi at gmail.com
Sat Jan 11 11:25:13 CET 2014


Oh use threshold~ to make a metro out of phasor~.




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On 11 January 2014 10:05, Funs Seelen <funsseelen at gmail.com> wrote:

> Hi Filippo,
>
>
> On Fri, Jan 10, 2014 at 6:57 PM, Filippo Beck Peccoz <mail at fbpsound.com>wrote:
>
>>
>> Inspired by a talk on groove by Victor Wooten, I'm working on a patch
>> that plays a wav loop repeatedly (drums) and then cuts the volume on the
>> track for a certain number of beats. The interval gets larger and larger,
>> forcing you to work on your timing and general "groove" feel.
>>
>> The patch is already working quite OK, but one thing I cannot seem to get
>> completely right is a perfect sync between the beats which cut off the
>> volume of the wav.
>>
>> I'm using a metro object set to the bpm of the loop and start both
>> concurrently. Maybe this is just much too imprecise for what I'm trying to
>> do..
>>
>>
> If I understand you right you would like to synchronize an audio loop with
> a [metro]. I guess you control the audio loop by something like [phasor~]
> or at least anything controlled within the DSP domain. Then, if you replace
> such [phasor~] with a [line~], controlled within the event domain there
> should be no problem anymore.
>
> Example:
>
> [phasor~ 1]
>
> gets
>
> [metro 1000]
> |
> [0, 1 1000(
> |
> [line~]
>
> or even something like te following (unpack and pack the message to add
> something to the second value)
>
> [metro 250]
> |              \
> |               [i ]/[+1]/[%4]
> |              /
> |            /
> [0, 1 250(
> |     /
> [+ ]
> |
> [/ 4]
> |
> [line~]
>
> to divide this second into four line segments.
>
> Regards,
> Funs
>
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