Re: [LAD] A question about LV2 audio

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To: Ralf Mardorf <ralf.mardorf@...>
Cc: Linux Audio Developers <linux-audio-dev@...>
Date: Friday, June 18, 2010 - 10:13 am

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On Fri, Jun 18, 2010 at 12:24 PM, Ralf Mardorf
wrote:

> Louigi Verona wrote:

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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On Fri, Jun 18, 2010 at 12:24 PM, Ralf M=
ardorf <ralf.mardorf@alice-dsl.net> wrote:

Louigi Verona wrote:
<=
div>

On Fri, Jun 18, 2010 at 12:02 PM, Rui Nuno Capela <rncbc@rncbc.org <mailto:rncbc@rncbc.org>> wrote:=

=A0 =A0there's no limitation on lv2.

=A0 =A0i think you misunderstood something, but any lv2 host has obvious
=A0 =A0access
=A0 =A0to the audio stream produced by _any_ plugin. how could it be
=A0 =A0otherwise?

=A0 =A0your question seems to pertain on rendering audio that is produced<=
br>
=A0 =A0by midi
=A0 =A0instrument plugins _faster_than_realtime_ .

=A0 =A0i also think you are inferring from qtractor as the sequencer. that=
's
=A0 =A0true: qtractor cannot render midi instruments audio in no other
=A0 =A0way than
=A0 =A0real-time. so that for you to export the whole session (song or
=A0 =A0project)
=A0 =A0you'll have to bounce (record) all midi instruments audio outpu=
t
=A0 =A0into spare
=A0 =A0audio tracks and then, when all is perfectly realigned to
=A0 =A0compensate for
=A0 =A0round-trip delay, you can mix-down and export all audio tracks into=
a
=A0 =A0single audio file.

=A0 =A0theoretically, any jack-midi plugin host can do the
=A0 =A0faster-then-realtime
=A0 =A0trick, thanks to the jack-freewheel mode of operation. alas,
=A0 =A0qtractor is
=A0 =A0not a jack-midi host, although it does the freewheel dance to
=A0 =A0export audio,
=A0 =A0as ardour2 does. speaking of which, ardour3 may well confirm this
=A0 =A0theory ;)

=A0 =A0cheers
=A0 =A0--
=A0 =A0rncbc aka Rui Nuno Capela
=A0 =A0rncbc@rncbc.or=
g
<mailto:rncbc=
@rncbc.org
>
=A0 =A0_______________________________________________
=A0 =A0Linux-audio-dev mailing list
=A0 =A0Linux-audio-dev@lists.linuxaudio.org
=A0 =A0<mailto:Linux-audio-dev@lists.linuxaudio.org>
=A0 =A0http://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

Are you asking for doing a stereo mastering without playing and recording t=
he song? I wonder if this is needed. Anyway, I'm not sure if I do under=
stand what exactly you are asking for by the word 'rendering'. Is t=
he host Qtractor? And do DSSI plugs what you want? =A0I guess 'we' =
do misunderstand what you're asking for, by your first email.

No, I mean hitting "Render all song to wav&=
quot; and have everything in one file.-- Louigi V=
eronahttp://w=
ww.louigiverona.ru/

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Messages in current thread:
[LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 7:33 am)
Re: [LAD] , Mike Cookson, (Tue Jul 27, 7:50 am)
Re: [LAD] A question about LV2 audio, JohnLM, (Tue Jul 27, 12:53 pm)
Re: [LAD] A question about LV2 audio, Luis Garrido, (Fri Jun 18, 8:04 am)
Re: [LAD] A question about LV2 audio, Rui Nuno Capela, (Fri Jun 18, 8:03 am)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 8:16 am)
Re: [LAD] A question about LV2 audio, Rui Nuno Capela, (Fri Jun 18, 9:07 am)
Re: [LAD] A question about LV2 audio, Ralf Mardorf, (Fri Jun 18, 8:25 am)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 10:13 am)
Re: [LAD] A question about LV2 audio, Philipp Überbacher, (Fri Jun 18, 12:00 pm)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 12:55 pm)
Re: [LAD] A question about LV2 audio, drew Roberts, (Fri Jun 18, 1:10 pm)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 1:14 pm)
Re: [LAD] A question about LV2 audio, Adrian Knoth, (Fri Jun 18, 1:19 pm)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 1:22 pm)
Re: [LAD] A question about LV2 audio, Louigi Verona, (Fri Jun 18, 1:22 pm)
Re: [LAD] A question about LV2 audio, drew Roberts, (Fri Jun 18, 11:52 am)