I use iTunes-LAME Encoder v2.0.7 from Blacktree software, and it seems to convert the lossless files just fine using the presets you mentioned. On Nov 26, 2005, at 8:20 AM, Dave Wooldridge wrote:
> I've been trying to get Lame to convert an .m4a file into mp3, and > the Lame > encoder says that the file was converted successfully, but the > resulting mp3 > file (when played) is just noise. I tried many different .m4a > files with > the same result, so I know its not a problem with a particular .m4a > file. > The .m4a files were created by importing/ripping some of my CDs > with iTunes. > And I can successfully convert AIF or WAV files, so I know that > Lame is > installed and working properly. I have Lame 3.96.1 installed in > /usr/local/bin/ on my Mac OS X 10.4.2 (Tiger). > > So I did a little research online and found that other people had > gotten > .m4a files to successfully convert to mp3 by using: > > --preset 320 > > So I tried that and got the following output: > > Assuming raw pcm input file > LAME version 3.96.1 (http://lame.sourceforge.net/) > Using polyphase lowpass filter, transition band: 20094 Hz - 20627 Hz > Encoding /Users/davew/Documents/Saturday Night.m4a > to /Users/davew/Documents/SaturdayNight.mp3 > Encoding as 44.1 kHz 320 kbps j-stereo MPEG-1 Layer III (4.4x) qval=3 > Frame | CPU time/estim | REAL time/estim | play/CPU > | ETA > 1364/1366 (100%)| 0:03/ 0:03| 0:04/ 0:04| > 10.604x| 0:00 > average: 320.0 kbps LR: 1365 (99.93%) MS: 1 (0.07321%) > Writing LAME Tag...done > ReplayGain: -11.8dB > > > But when I try to play the resulting mp3 file, its just static noise. > > Another person online had posted success by using: > > --alt-preset standard > > So I tried that and got the following output: > > Assuming raw pcm input file > LAME version 3.96.1 (http://lame.sourceforge.net/) > Using polyphase lowpass filter, transition band: 18671 Hz - 19205 Hz > Encoding /Users/davew/Documents/Saturday Night.m4a > to /Users/davew/Documents/SaturdayNight.mp3 > Encoding as 44.1 kHz VBR(q=2) j-stereo MPEG-1 Layer III (ca. 7.3x) > qval=3 > Frame | CPU time/estim | REAL time/estim | play/CPU > | ETA > 1364/1366 (100%)| 0:04/ 0:04| 0:04/ 0:04| > 8.3250x| 0:00 > 128 [ 729] > %%%%%************************************************************* > 160 [ 632] %%%%****************************************************** > 192 [ 3] % > 224 [ 1] % > 256 [ 1] * > 320 [ 0] > average: 143.1 kbps LR: 88 (6.442%) MS: 1278 (93.56%) > Writing LAME Tag...done > ReplayGain: -11.8dB > > > But when I try to play the resulting mp3 file, its just static noise. > > Does anyone have any words of advice on what I might be doing wrong > or what > does work? > > Sorry for the long-winded message... Thanks! > > > _______________________________________________ > mp3encoder mailing list > mp3encoder@minnie.tuhs.org > http://minnie.tuhs.org/mailman/listinfo/mp3encoder > J-Bone (You'd better mind/read your own) _______________________________________________ mp3encoder mailing list mp3encoder@minnie.tuhs.org http://minnie.tuhs.org/mailman/listinfo/mp3encoder
