Eric, Erik... thanks both of you for the info. I am really starting to like ecasound! ;-) I found one tutorial on the web, but do you have any suggestions for must-read docs to master this program? thx, d. Eric Dantan Rzewnicki wrote: > Erik de Castro Lopo wrote: > >> On Mon, 15 Mar 2004 23:26:51 +0100 >> derek holzer <derek@xxxxxxx> wrote: >> >>> Does anyone know a good command-line app to change bit depth of WAV >>> files? I'd like to batch process a bunch of files. Ecasound does not >>> have this feature to my knowledge. >> >> In the libsndfile source code distribution there is an example program >> called sndfile-convert: >> >> erikd@miles > sndfile-convert Usage : sndfile-convert >> [encoding] <input file> <output file> >> where [encoding] may be one of the following: >> -pcms8 : force the output to signed 8 bit pcm >> -pcmu8 : force the output to unsigned 8 bit pcm >> -pcm16 : force the output to 16 bit pcm >> -pcm24 : force the output to 24 bit pcm >> -pcm32 : force the output to 32 bit pcm >> -float32 : force the output to 32 bit floating point >> -ulaw : force the output ULAW >> -alaw : force the output ALAW >> -ima-adpcm : force the output to IMA ADPCM (WAV only) >> -ms-adpcm : force the output to MS ADPCM (WAV only) >> -gsm610 : force the GSM6.10 (WAV only) >> -dwvw12 : force the output to 12 bit DWVW (AIFF only) >> -dwvw16 : force the output to 16 bit DWVW (AIFF only) >> -dwvw24 : force the output to 24 bit DWVW (AIFF only) >> The format of the output file is determined by the file >> extension of the >> output file name. The following extensions are currently >> understood: >> aif : AIFF (Apple/SGI) >> wav : WAV (Microsoft) >> au : AU (Sun/NeXT) >> snd : AU (Sun/NeXT) >> svx : IFF (Amiga IFF/SVX8/SV16) >> paf : PAF (Ensoniq PARIS) >> fap : PAF (Ensoniq PARIS) >> nist : WAV (NIST Sphere) >> ircam : SF (Berkeley/IRCAM/CARL) >> sf : SF (Berkeley/IRCAM/CARL) >> voc : VOC (Creative Labs) >> w64 : W64 (SoundFoundry WAVE 64) >> raw : RAW (header-less) >> mat4 : MAT4 (GNU Octave 2.0 / Matlab 4.2) >> mat5 : MAT5 (GNU Octave 2.1 / Matlab 5.0) >> mat : MAT4 (GNU Octave 2.0 / Matlab 4.2) >> pvf : PVF (Portable Voice Format) >> sds : SDS (Midi Sample Dump Standard) >> xi : XI (FastTracker 2) >> >> libsndfile is at : >> >> http://www.mega-nerd.com/libsndfile/ >> >> Erik > > > And of course, ecasound can be compiled with libsndfile support giving > it access to pretty much all the above. > > -ERic Rz. > -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 146: "Spectrum analysis"
