From 506b8e7dedb80d79bf015e47d92e8b8dd8284584 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Sat, 16 Aug 2003 17:08:55 +0000 Subject: added files straight from Yves' sources svn path=/trunk/externals/unauthorized/; revision=864 --- mp3write~/README | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 mp3write~/README (limited to 'mp3write~/README') diff --git a/mp3write~/README b/mp3write~/README new file mode 100644 index 0000000..3b43bbe --- /dev/null +++ b/mp3write~/README @@ -0,0 +1,94 @@ +Version 0.01 +copyright (c) 2001 by Yves Degoyon + +mp3write~.dll is a MPEG I Layer III (mp3) file writer. + +To install mp3write~, follow the steps from INSTALL + +This software is published under GPL terms. + +This is software with ABSOLUTELY NO WARRANTY. +Use it at your OWN RISK. It's possible to damage e.g. hardware or your hearing +due to a bug or for other reasons. +We do not warrant that the program is free of infringement of any third-party +patents. + +***************************************************************************** + +mp3write~ has been compiled for Linux using LAME 3.92. +The newest version of LAME can be found via freshmeat.net + +COPYING: you may use this source under GPL terms! + +PLEASE NOTE: This software may contain patented alogrithm (at least + patented in some countries). It may be not allowed to sell/use products + based on this source code in these countries. Check this out first! + +COPYRIGHT of MP3 music: + Please note, that the duplicating of copyrighted music without explicit + permission violates the rights of the owner. + +***************************************************************************** + + using mp3write~ external for Pure Data + +Open the test-mp3write~.pd to understand how it works. +In this patch, you must send the messages to mp3write~ +in the following order : + +1/ append|truncate if you wish to change file creation options ( default is append ) +2/ open /my/file +3/ start +5/ pd dsp 1 +4/ stop : the tag is written at this stage + +Parameters sent to mp3write~ object : + + Sampling Rate (Hz): +Possible values are 48000, 44100 and 32000. If Pd runs at a different sampling +rate, LAME will resample the signal. Default value for mp3 sampling rate is Pd's +sampling rate. + + Bitrate (kbit/s): +Possible values are 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256 +and 320. Default is 224. + + Mode: +Possible values are 0 (stereo), 1 (joint stereo, the default), 2 (dual channel) +and 3 (mono). + + Outlet: +The outlet outputs an int, which the number of bytes written in this session. +this might be different from file size if you're using append mode. + + + Known Problems : + +All combinations of samplerate, bitrate, quality factor will not be accepted. + +ALLOWED QUALITY FACTOR : + + -q = 0...9. Default -q 5 + -q 0: Highest quality, very slow + -q 9: Poor quality, but fast + -h Same as -q 2. Recommended. + -f Same as -q 7. Fast, ok quality + +ALLOWED SAMPLERATE/BITRATES + +MPEG-1 layer III sample frequencies (kHz): 32 48 44.1 +bitrates (kbps): 32 40 48 56 64 80 96 112 128 160 192 224 256 320 + +MPEG-2 layer III sample frequencies (kHz): 16 24 22.05 +bitrates (kbps): 8 16 24 32 40 48 56 64 80 96 112 128 144 160 + +MPEG-2.5 layer III sample frequencies (kHz): 8 12 11.025 +bitrates (kbps): 8 16 24 32 40 48 56 64 80 96 112 128 144 160 + +Furthermore, it seems that high quality factors will not work +with this release of lame ( 3.92 ). +The same errors can be obtained with the command line : +lame -q 1 file.wav +outputs errors and mp3write can't do better. + + -- cgit v1.2.1