[LAD] A question about LV2 audio

Louigi Verona louigi.verona at gmail.com
Fri Jun 18 08:16:19 UTC 2010


On Fri, Jun 18, 2010 at 12:02 PM, Rui Nuno Capela <rncbc at rncbc.org> 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 at rncbc.org
> _______________________________________________
> Linux-audio-dev mailing list
> Linux-audio-dev at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-dev
>



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

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