Hai! I'm from Hungary, and my English is not so good. Excuse me! I'm using Linux Debian woody, with kernel 2.4.18 Now I try to encode my music files, that are in .wav format to .ogg format. I used to use the lame program to encode my music files to .mp3 format. I try it now on a Windows NT 4, and this 2 version: Lame version 3.92 MMX OggEnc v1.0 (libvorbis 1.0) I have a question, why is this procedure so slow, when I the same track.wav file, that I've encoded with oggenc and lame, with the same quality, then with oggenc it has taken 4:35 sec and with lame it has taken 1:49. Oggenc ist mor then 2 times slower. Is it possible with oggenc to encode a .wav file with 192 kbs, but a little bit faster??? Theese are the command lines: lame -b 192 -m s -f track.wav track.mp3 oggenc -q 7 -o track.ogg track.wav I've tried this one too: oggenc -b 192 -m 192 -M 192 -o track.ogg track.wav Thanks for your help! -G- <p><p><p><p>--- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.
At 12.55 01/08/2002, you wrote:>Hai! > >I'm from Hungary, and my English is not so good. Excuse me! I'm >using Linux Debian woody, with kernel 2.4.18 >Now I try to encode my music files, that are in .wav format to .ogg >format. I used to use the lame program to encode my music files to >.mp3 format. I try it now on a Windows NT 4, and this 2 version: > >Lame version 3.92 MMX >OggEnc v1.0 (libvorbis 1.0) > >I have a question, why is this procedure so slow, when I the same >track.wav file, that I've encoded with oggenc and lame, with the >same quality, then with oggenc it has taken 4:35 sec and with lame >it has taken 1:49. Oggenc ist mor then 2 times slower. Is it >possible with oggenc to encode a .wav file with 192 kbs, but a >little bit faster??? > >Theese are the command lines: >lame -b 192 -m s -f track.wav track.mp3 >oggenc -q 7 -o track.ogg track.wav >I've tried this one too: oggenc -b 192 -m 192 -M 192 -o track.ogg >track.wavIf you downloaded LAME from mitiok's site you have an optimized (compile-time) version: it has been compiled with the Intel C compiler, that produces faster code than gcc on intel processors. For example (but I don't think it applies in this case), it automatically parallelize the code to use the vector unit (MMX, SSE or SSE2). Anyway, I also noted this problem with oggenc, compared to LAME doing VBR mp3s (q=2). Olaf <p><olaf@ kjws.com> for every kind of mail, except spam! :-) <p><p>--- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.
> I have a question, why is this procedure so slow, when I the same > track.wav file, that I've encoded with oggenc and lame, with the > same quality, then with oggenc it has taken 4:35 sec and with lame > it has taken 1:49. Oggenc ist mor then 2 times slower. Is it > possible with oggenc to encode a .wav file with 192 kbs, but a > little bit faster???oggenc is currently slower than the fastest mp3 encoders out there. It's not that surprising - the mp3 encoders have had a long time to get optimized for speed. Also, I get the distinct impression from your post that you are equating bitrate with quality. If this is true, I suggest you read a bit of the docs on vorbis.com. The general idea is that Ogg Vorbis produces better quality "per bit" than mp3. Bitrate just specifies the size; not quality. Just FYI. Plus, it is recommended to use quality based encoding (specyfing a quality with the -q switch) rather than ABR (average bitrate, meaning you specify a target bitrate with -b) because it produces better results. -- / Peter Schuller, InfiDyne Technologies HB PGP userID: 0xE9758B7D or 'Peter Schuller <peter.schuller@infidyne.com>' Key retrival: Send an E-Mail to getpgpkey@scode.org E-Mail: peter.schuller@infidyne.com Web: http://www.scode.org <p><p>--- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.