Back again Re: [Audacity-devel] Multitrack recording
A free multi-track audio editor and recorder
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From: Siegfried K. <ma...@si...> - 2002-10-08 20:41:46
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Excuse for the long wait, I was busy with some exams and just wrote physics-exam. Holidays NOW (for the rest of the week) > > > Could i help with that one? > > When somebody likes to work with me we could implement the functionality > > of this program in audacity. > > Yes! > > I'd very much like to have some of this code in Audacity. > > Please be patient, because I'm busy with other things for > the next few weeks. This should be done, isn't it? > > I've started just a little bit on a feature called "Smart > Record", which pops up a dialog that lets you do a recording > with extra features, including multitrack and timed recording. > It will have a limited GUI, which should lead to better > performance during recording. Performance is one of the main problems with recording. You get a constant stream of 2 MB/s with 4 Soundcards on slow or badly configured systems there is a high risk of buffer underruns. Maybe the recording should work directly from audacity as well as an extra program which would be good for slow computers (I can imagine recording to be done on one machine while editing runs on another one) > > I think it would be great for Smart Record to support > multitracking, including multiple sound cards, now. Full > multitrack support in Audacity will have to come much later, > because it needs lots of GUI work, but just recording, > from within a separate dialog box, is no problem. The multitrack-thingy is one important thing (more important than effects) when you want to create music with audacity. > > Can you abstract the code needed to configure the soundcards > and read/write from the multiple portaudio streams? If you > could turn that into self-contained C files or C++ classes, > that would be great. Of course! Greatest problem here is that there are so many possible solutions but all have some disadvantages in some ways the best for me would be to have an example of the GUI, then i can look if it fits, change the GUI, change my code, and so on. > > I'll look at your code when I have a chance. > > > The things I need help for are: > > * GUI for configuring the soundcards (one to select the active cards and > > one to configure the channels (channelname, rate, etc.) ) > > * GUI for active recording (one window displaying the useful information > > while recording, mostly the things my app does) > > * mixer access > > * converting and inserting 32bit-float into audacity with n-channels > > * forgot something? > > None of this is a problem; I'm hoping to do most of this anyway > in the next 2-3 months. Please keep in touch. Yep, back again. |