Hello everyone, ff123 compiled Monty's branch of the RC1 encoder, see his post on r3mix.net forum: http://66.96.216.160/cgi-bin/YaBB.pl?board=c&action=display&num=994299736&start=30 Anyway it only supports ~128kbps mode, so I did a quick listening test with some files that bugged vorbis beta4. grace.wav - the right channel is still a bit watery, and I think this can be seen visually on spectral analysis as dropouts. 5551234.wav - oggdrop couldn't encode this file, it kept crashing. This is the clip that exposes clipping artifacts. udial.wav - this killer clip is almost transparent (there are no horrible clipping artifacts anymore). The only artifact is in the second string of tones - they sound a bit blurry/watery. bassrumble.wav - sounds fine! horn.wav - there's still a small amount of noise/fluttery added. Maybe the bitrate is too low? (59kbps) glitch.wav - high-frequency glitch in the left channel when the cymbals are hit (at 0:03s). You can get this file from here: http://solair.eunet.yu/~aldov/glitch.pac (it is packed with LPAC). -- Vorbis Xtreme | http://solair.eunet.yu/~aldov/ Ogg Vorbis is the free, open source alternative to MP3 --- >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.
----------> Van: Aleksandar Dovnikovic <aldov@EUnet.yu> > Aan: vorbis@xiph.org > Onderwerp: [vorbis] Some pre-RC1 listening tests > Datum: woensdag 8 augustus 2001 0:13 > > Hello everyone, > > ff123 compiled Monty's branch of the RC1 encoder, see his post on > r3mix.net forum: >http://66.96.216.160/cgi-bin/YaBB.pl?board=c&action=display&num=994299736&st art=30> > Anyway it only supports ~128kbps mode, so I did a quick listening > test with some files that bugged vorbis beta4.It seems that, for some reason, the files generated by Monty's branch are getting bigger and bigger. A few weeks ago it was ~96 kbps. A few days ago it was ~128 kbps. Today it's ~140 kbps. o_0 Not that I'm complaning about not-yet-released-software. I just think that it's kinda weird.... --- >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.
On Wed, Aug 08, 2001 at 12:13:03AM +0200, Aleksandar Dovnikovic wrote:> ff123 compiled Monty's branch of the RC1 encoder, see his post on > r3mix.net forum: > http://66.96.216.160/cgi-bin/YaBB.pl?board=c&action=display&num=994299736&start=30 > > Anyway it only supports ~128kbps mode, so I did a quick listening > test with some files that bugged vorbis beta4..... The current CVS is badly broken, there are a number of obvious quality reducing and bitrate increasing bugs that, (I believe) Monty has fixed and not yet committed. :) --- >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.
Aleksandar Dovnikovic schrieb:> > Hello everyone, > > ff123 compiled Monty's branch of the RC1 encoder, see his post on > r3mix.net forum: > http://66.96.216.160/cgi-bin/YaBB.pl?board=c&action=display&num=994299736&start=30 > > Anyway it only supports ~128kbps mode, so I did a quick listening > test with some files that bugged vorbis beta4.Hello, I found a sample sounding really weird with this pre-RC1 encoder: Artist: Kamelot Album: The Fourth Legacy Title: Lunar Sanctum (Yes, it´s Heavy Metal!) The first three seconds are a solo of a cembalo (sorry, bad english). This test-encoder intruduces a low-frequency "humming" - the sample "vibrates". Don´t know how to express this properly. I am not an experienced "test-listener" so I don´t know that "expert"-terms of how to describe an artifact :-( Neither Beta-4 nor that older pre-RC1 encoder (~90 Kbps) have a problem with this sample. I don´t have any webspace I can use for hosting this sample. It is very small (626 KB uncompressed, 364 KB LPAC) so I can mail it. Anyone interested? (Monty perhaps ;-) bye, Maik Merten -- MetalUnleashed: http://www.metalunleashed.de DHTML-Bibliothek: http://www.fortunecity.de/wolkenkratzer/flick/403 ICQ: 45648209 --- >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.
Hello,
I found an even more obvious sample.
The encoder (oggdrop_rc1a010808_128only.exe) introduces a
very, very obvious "blubbering" artifact with this
sample (I managed to free some webspace)
http://www.metalunleashed.de/lunar2.zip
The ZIP includes the LPAC-ed sample and a TXT-file with
additional information.
bye,
Maik Merten
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