Re: [LAD] A question about LV2 audio

On Fri, Jun 18, 2010 at 12:24 PM, Ralf Mardorf
<ralf.mardorf@email-addr-hidden-dsl.net>wrote:

> Louigi Verona wrote:
>
>>
>>
>> On Fri, Jun 18, 2010 at 12:02 PM, Rui Nuno Capela <rncbc@email-addr-hidden<mailto:
>> rncbc@email-addr-hidden>> wrote:
>>
>>
>>
>>
>> there's no limitation on lv2.
>>
>> i think you misunderstood something, but any lv2 host has obvious
>> access
>> to the audio stream produced by _any_ plugin. how could it be
>> otherwise?
>>
>> your question seems to pertain on rendering audio that is produced
>> by midi
>> instrument plugins _faster_than_realtime_ .
>>
>> i also think you are inferring from qtractor as the sequencer. that's
>> true: qtractor cannot render midi instruments audio in no other
>> way than
>> real-time. so that for you to export the whole session (song or
>> project)
>> you'll have to bounce (record) all midi instruments audio output
>> into spare
>> audio tracks and then, when all is perfectly realigned to
>> compensate for
>> round-trip delay, you can mix-down and export all audio tracks into a
>> single audio file.
>>
>> theoretically, any jack-midi plugin host can do the
>> faster-then-realtime
>> trick, thanks to the jack-freewheel mode of operation. alas,
>> qtractor is
>> not a jack-midi host, although it does the freewheel dance to
>> export audio,
>> as ardour2 does. speaking of which, ardour3 may well confirm this
>> theory ;)
>>
>> cheers
>> --
>> rncbc aka Rui Nuno Capela
>> rncbc@email-addr-hidden <mailto:rncbc@email-addr-hidden>
>>
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>>
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>>
>>
>>
>>
>> How is that done on Windows then? I never heard of any problems there?
>> When you use VST, it renders them fine
>> and Windows has no JACK.
>>
>> ps: sorry if my questions are silly, I really am trying to understand
>>
>
> Are you asking for doing a stereo mastering without playing and recording
> the song? I wonder if this is needed. Anyway, I'm not sure if I do
> understand what exactly you are asking for by the word 'rendering'. Is the
> host Qtractor? And do DSSI plugs what you want? I guess 'we' do
> misunderstand what you're asking for, by your first email.
>

No, I mean hitting "Render all song to wav" and have everything in one file.

-- 
Louigi Verona
http://www.louigiverona.ru/

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Received on Fri Jun 18 16:15:03 2010