similar to: joint stereo - advantages / when?

Hi, I've just read this on Vorbis Xtreme site: "11. YOU SAY THAT OGG VORBIS IS PATENT-FREE, BUT I SAW A PATENT NAMED 'JOINT-STEREO' ON FRAUNHOFER'S PATENT LIST? SO OGG VORBIS ACTUALLY ISN'T PATENT-FREE SINCE IT ALSO USES JOINT-STEREO? No. You can't judge on a patent just by looking at its name - what's 'inside' is what matters. So if the name of the

Hello all, I created today a fake stereo piece of music (the left and right channels were completely equal), and encoded it with the all the modes the RC2 encoder supports, and found that: * * dual * waste * waste * * mode * joint * stereo * in * in % * * * stereo * /2 * kbits * of JS *

Hi, If I want to encode two audio channels that are not related, audio from two different sources not stereo, is it best to create two instances of a single channel encoder or use one encoder with two channels? thank you, Paul.

Don't know if anybody is still missing the lame oggenc features for resampling, lowpass/highpass filters etc, but I wrote a little script that uses sox to do all the stuff I need to real-time encode oggenc from the radio, or any input device. #!/bin/bash DATE=`date '+%m-%d-%Y-(%H.%M)'` DESTIN=/video/music/perftoday export DATE=$DATE'-PerformanceToday.ogg' sox -V -r 44100 -c

This mail depends upon the fact that I don't have a couple of good earphones ;-) I read in the site that q=6 is a very high quality, but does it contain perceivable differencies from the original? (for 95% of people, of course). I also found q=6 to produce files slightly bigger (1/10 bigger) than those produced with lame VBR q=2 (about 192 bps on average). I always thought LAME VBR q=2

a comparison between the two formats can be read at http://www.digit-life.com/articles/oggvslame/index.html . i first heard of this from Vorbis Extreme ( http://solair.eunet.yu/~aldov/ ). anyone see any problems with the review? -- noodlez: Karol Pietrzak GPG/PGP-KeyID: 0x3A1446A0 --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To

> On 15 Jun 2001, Brendan Cully wrote: > > > > Out of curiousity, how will the encoder handle this? I mean, if > > > "-b 128" is specified to oggenc, will the bitrate hover > > > around ~80kbps (same quality as current encoder) or will it > > > hover around ~128kbps (with "40% better quality", so to speak)? > > > > I very

I have a number of .ogg files encoded with b2, and some with b3. Is the psychoacoustic model in the forthcoming b4 significantly improved over these builds, such that re-encoding these files would give me either noticeably better sound, or smaller files? Also, just out of curiousity, will b4-encoded files be playable with older WinAmp plugins? Incidentally, I did some tests with b2 a while back

Hello -- I desperately want to start using Ogg compression on music I release on the internet, but I am encountering a fair amount of artifacts. I noticed some in beta4 and was hoping they would disappear with RC1. However, I've been playing with RC2 and I've still been banging my head into a number of problems. A majority of the music I make has long drones with a fair amount of spectral

So it looks like the Frauenhoffer boys are issuing an updated format -- MP3pro. They claim that it will give 128kbps/MP3 quality in 64kbps. I'm interested to see what others think of this. I'm also curious: I've seen others on the list say that Ogg/Vorbis' sound quality is "better" than MP3. Can this be quantified (or is this already on a web page somewhere)? I kinda

christophe.guerin@etud.univ-pau.fr wrote: > > * Enough bandwidth to run the server. If you want to broadcast to 100 > listeners at 24kbps, you'll need about 24kbps*100 = 2,400kbps = 2.4Mbps > of bandwidth. That's about 2 T1 lines worth of bandwidth. Trying to > push 100 128kbps listeners down your 768kbps cable modem isn't going > to work :) It

Hi, folks, I have an old CELT thing that I'm updating to Opus and I'm trying to get individual pieces upgraded.  My first task is upgrading the CELT encoder to Opus. The old CELT thing treated the L and R channels as independent mono streams, encoded them somehow with CELT to form one bitstream, sent one bitstream across, and then unpacked it manually after the decoder. Can I do that

Hello, just one question: is it possible to implement a "quality switch" to Ogg Vorbis like the -V option of the lame encoder? It's the only thing I'm missing. Everything else is nearly perfect! Sebastian --- >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

Thanks. When you say that with fec enabled, the threshold is increased, do you mean the bitrate - i.e., you need higher bitrate with fec enabled to suppress crosstalk? Also, can you make any recommendations to decide whether to use fec or not? We are trying to tune the parameters appropriately. Audio quality and reduction of crosstalk are critical for us. Thanks again. Jon Sent from my

Hi! What are the assumed listening conditions in vorbis ? For example there are big differences in perceived sound when listening with headphones compared to listening with speakers. ( "super stereo effect" , different frequency response due to HRTF etc ... ). Is this stuff worth considering in a vorbis class encoder ? David Balazic --- >8 ---- List archives:

On 27/01/17 12:16 PM, Jon Lederman wrote: > When you say that with fec enabled, the threshold is increased, do > you mean the bitrate - i.e., you need higher bitrate with fec enabled > to suppress crosstalk? Correct. Another effect I forgot to mention is that Using FEC will actually force SILK/hybrid rather than CELT, so it's possible that disabling FEC makes you use CELT, which

OK, so at the link : https://uloz.to/!yyVrCY2Y8sn1/devil-s-elbow-opus-7z (https://uloz.to/%21yyVrCY2Y8sn1/devil-s-elbow-opus-7z) (change the language to English by clicking at the flag at the right upper side of the web page or just simply click at "Stáhnout pomalu" - it may take some time as the file is 55 MB+ and the download service is free) there is 7zip archive with 5 music

On 27/01/17 12:29 PM, Jon Lederman wrote: > Thank you. Yes, we do need both channels independent. So, if we > encode each channel separately, we will be sacrificing the > compression ratio we would achieve with stereo encoding, correct? Not necessarily. Stereo makes two assumptions: 1) It assumes the two channels are somehow correlated 2) It assumes the two channels are meant to be

Greetings, With all the press concerning the 'almost 1.0' release of vorbis; I see a lot of messages floating around as 'now 1.0, and -soon- it will include joint-stereo, Wavelets, low-bitrate, peeling, etc. etc.' Before I start 'advocating' vorbis and tell everybody what it all can do; is there actually a date or some other planning when all those

Hello Jean-Marc, yes, it works for both 32 and 48 kb/s. Also this option marginally increases the size of the file which is understandable. I tried a few other music files and found that this stereo narrowing happens not only in the case of track I submitted (although in smaller scale) so it would be great if the final libopus 1.2 had officialy a parameter to force music "mode" of