sox is good for this kind of stuff, you can automate the command-lines using livecode....but you can skip some of the bs you would probably encounter with LC and audio "processing".
http://sox.sourceforge.net/ On Wed, Aug 22, 2018 at 10:30 PM Geoff Canyon via use-livecode < use-livecode@lists.runrev.com> wrote: > I did something very much like this way, way, way long ago (in the MetaCard > days...). I don't remember the sound format, and it was mono, not stereo, > but it turned out that the format for the sound file was *really* simple: a > few bytes of easily-managed header, a bunch of binary data that represented > the sound file data, and a few bytes of footer. > > So the steps above would be roughly: > > 1. Read in the binary data from the sound file, strip the header/footer. > 2. Figure out what the "silence" value is for that sound format, append a > certain number of that value to the data. > 3,4. Read in the binary data from the second file, strip the header/footer > and append to the data. > 5. ??? Not sure how to do this. Instead, might add the appropriate > header/footer and write out the data in the same format as the input files. > 6. Close the access to the original files. > > If MP3 isn't comprehensible, then you could bulk convert the resulting > files from AU to MP3 using any number of tools. > > gc > > > On Wed, Aug 22, 2018 at 5:14 PM Nicolas Cueto via use-livecode < > use-livecode@lists.runrev.com> wrote: > > > Hello List, > > > > I wish to automate a repetitive (and tedious!) process that's now being > > done manually using a sound-file editor (Goldwave). > > > > The process is: > > > > 1. Open an AU sound file. > > 2. Append 1 second of silence to that file. > > 3. Open a 2nd AU sound file. > > 4. Copy and append that 2nd file to the 1st file. > > 5. Save as MP3 with a new title that now-modified 1st file. > > 6. Close that 1st file unmodified. > > 7. [Repeat 1-6.] > > > > If this is possible (easily possible!) with LC, what LC commands ought I > be > > studying/using? > > > > Many thanks. > > > > -- > > Nicolas Cueto > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
