[ardour-users] Re: can you export tracks while recording?

[Eric Dantan Rzewnicki]

andy wrote:
> On Sun, 29 Aug 2004 19:52:58 +0100, andy wrote:
>>I'm looking for a way to export recorded tracks without stopping the
>>recording. The idea is to have two record tracks which can be punched in
>>and out to record segments of a continuous live stream. I.e. between
>>programmes, you start recording track1 and stop track2, or vice versa.
>>Then I want to be able to export the recorded chunk of track1 to another
>>machine for editing while the next bit is still recording in ardour.
>>I can't see any way to do this within ardour. I thought of just pulling
>>the recorded track files out of ardour-project/sounds/track1-n.wav, but
>>ardour is putting several chunks inside one wav file, and I don't know how
>>to find the boundaries.
> I had a look through the config file and found where the regions are
> defined inside each wav file, so if I can find a way to translate
> broadcast wav into other formats, then it should be possible to pull out
> the recorded tracks using an external program. I.e. save the session, then
> run a script that looks for new regions, copies them out of the broadcast
> wavs in the .../sounds dir, then uploads them to another machine for
> editing / conversion to another format. (The point is to be able to record
> live broadcast programmes and then put the recorded file on an icecast
> server for on-demand streaming, while the live stream is still running,
> and it would be good to have this set up to run fairly automatically if
> possible - e.g. just start a script, give the name of the programme, and
> it will be added to the web archive automatically.).
> The question is whether there's any way to convert broadcast wavs into
> other formats using command line tools. sox won't work with broadcast wavs
> afaict, so if anyone knows of a command line tool that will convert these,
> that would be a help.

I'm not an ardour user, yet. I'm just skimming lists I rarely read 
today. You might try ecasound. It uses libsndfile. So actually, you 
might also look at the sndfile-convert tool included in the examples/ 
with libsndfile.

hth,
Eric Rz.