[LAU] Monophonic Audio to real time midi?

Hartmut Noack zettberlin at linuxuse.de
Tue Jan 24 11:03:23 UTC 2012


Am 24.01.2012 09:13, schrieb Lorenzo Sutton:
> On 23/01/2012 23:20, Hartmut Noack wrote:
>> Am 23.01.2012 10:32, schrieb Lorenzo Sutton:
>>> Hi,
>>>
>>> On 23/01/2012 10:21, Nils wrote:
>>>> Hello,
>>>>
>>>> is there a tool that allows audio-in over jack and gives me jack or
>>>> midi alsa out?
>>>> I need (near) real time monophonic conversion so I can use it for step
>>>> entry in midi-in programs.
>>>
>>> You could have a look at the [sigmund~] external by Miller Puckette for
>>> Pure Data (I believe it is a 'vanilla' object).
>>
>> Quite often I read and hear people recommend PD but all my tries in the
>> past 2 or so years ended in desaster. Actually PD was the only app I
>> tried with Jack that caused real trouble and I never saw it even
>> starting without an xrun at least.
>>
>> So is it me? How does PD work with Jack for those of you who use it on a
>> day to day basis?
>
> I wouldn't like to de-rail this too much as there is a very active Pd
> mailing list. Anyway.
> Pd can take a while to get into, but I can say that Pd works very well
> with Jack and I never had big issues. Of course you should keep in mind
> that Pd is a programming language and enables you to do whatever you
> want, even fill an array beyond your ram size et. sim. with great power...

That is crystal clear to me, yet I get xruns even at startup when 
nothing is loaded to produce anything...

>
>
>>
>> And is there anybody who uses PD for the job mentioned by the thread
>> starter?
>> If so, is there a chance to do it like this:
>>
>> 1.) put an object (external or whatever) for Jack audio in
>> 2.) put the [sigmund~] thing and connect it to that input
>> 3.) put a jack-MIDI out and connect it to [sigmund~] out
>> 4.) make noise and send it to 1.) and route the notes generated by 3.)
>> to any app that can read them from Jack-MIDI
>
> It is absolutely doable, near to trivial with the above mentioned
> [sigmund~] external. Again if you are really up to it it would probably
> be better to discuss this on the Pd-list which is usually very friendly
> and supportive.
> If you want I can post somewhere (tm) a basic patch.

That would be most appreciated ;-)

best regards

HZN

>
> Lorenzo.
>
>>
>> best regards
>>
>> HZN
>>
>>>
>>> Not exactly 'out-of-the-box' tool but Pure Data does support JACK audio
>>> and alsa midi out of the box, and setting up a patch to do what you
>>> describe is quite easy.
>>>
>>> Lorenzo.
>>>
>>>>
>>>> Nils
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>>>
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>>
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