Why no Vorbis 2-pass? |
Why no Vorbis 2-pass? |
 Dec 31 2002, 13:59
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 Group: Members Posts: 32 Joined: 3-October 02 From: Somerville, MA Member No.: 3476  |
I know this question has been brought up before, most specifically on the Vorbis mailing list, but I still don't quite understand why 2-pass encoding isn't supported by Oggenc. Sure, the savings are minimal, but isn't that what lossy coding is all about? To make every bit count?
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Phaedras Why no Vorbis 2-pass? Dec 31 2002, 13:59
Benjamin Lebsanft maybe in the future rehuff could be integrated, ma... Dec 31 2002, 14:06 john33 On a single example, rehuff compresses a 6016Kb fi... Dec 31 2002, 14:24 Benjamin Lebsanft it would be a nice feature to play with and if its... Dec 31 2002, 14:28 robUx4 In video, double pass is not used for saving space... Dec 31 2002, 15:12 Tripwire I don't know if this is doable, but a 2nd pass... Dec 31 2002, 15:56 Slo Mo Snail How do you want to detect artefacts? There's n... Dec 31 2002, 16:02 amp QUOTE I don't know if this is doable, but a 2n... Dec 31 2002, 16:41 john33 @amp: Your explanation is perfectly understandable... Dec 31 2002, 18:26 tangent QUOTE (robUx4 @ Dec 31 2002 - 10:12 PM)In vid... Jan 1 2003, 11:10
PatchWorKs Up!
QUOTE (tangent @ Jan 1 2003, 12... Aug 18 2006, 17:15 Mgz WMAv9 support 2-pass encoding,too
/me Jan 1 2003, 11:20 Mac Going back to john33, saving 3kbs is exactly what ... Jan 1 2003, 12:00 dev0 Besides from the various problems reported about r... Jan 1 2003, 12:08 john33 For those who are interested, oggenc2.2 is now ava... Jan 1 2003, 12:37 kheops it's a big improvement, i hope we'll see t... Jan 1 2003, 13:31 sven_Bent does the ogg vidoe container support the rehuff sa... Jan 1 2003, 14:02 john33 QUOTE (sven_Bent @ Jan 1 2003 - 01:02 PM)does... Jan 1 2003, 14:19 schlauf OK, now I post it here.
I just tried the --rehuff... Jan 1 2003, 16:32 S_O QUOTE Now, having tried to encode this CD, I have ... Jan 1 2003, 17:21 john33 Hmmm, I can't comment at this time other than ... Jan 1 2003, 17:25 schlauf Yeah, that GraphEdit-Thingo works indeed. Unfortun... Jan 1 2003, 18:06 john33 BTW, I was just trawling through the vorbis-dev ma... Jan 2 2003, 23:06 rc55 John,
It seriously makes me bang my head against ... Jan 6 2003, 01:32 LCtheDJ Yesterday I downloaded oggenc2.2 and tested it usi... Jan 30 2003, 17:59 john33 QUOTE (LCtheDJ @ Jan 30 2003 - 04:59 PM)Yeste... Jan 30 2003, 18:17 LCtheDJ I see ICL7, optimised for Pentium 4 links for ogge... Jan 30 2003, 18:44 Bedeox Great work! Now I can increase quality of my f... Jan 30 2003, 18:45 schlauf QUOTE (LCtheDJ @ Jan 30 2003 - 06:59 PM)Yeste... Jan 30 2003, 18:48 john33 QUOTE (LCtheDJ @ Jan 30 2003 - 05:44 PM)I see... Jan 30 2003, 19:14 DSPguru QUOTE (kheops @ Jan 1 2003 - 03:31 PM)it... Jan 30 2003, 19:18 john33 QUOTE (Bedeox @ Jan 30 2003 - 05:45 PM)Great ... Jan 30 2003, 19:19 LCtheDJ Sorry folks, I must have been spacing out yesterda... Jan 30 2003, 19:35 Bedeox Even worse results here... foobar2000 consumes 100... Jan 31 2003, 08:22 schlauf QUOTE (Bedeox @ Jan 31 2003 - 09:22 AM)This d... Jan 31 2003, 08:47 Bedeox Libvorbis should recover from such error properly.... Jan 31 2003, 09:40 kheops thanks DSPguru, i hope we will see again this 2 pa... Jan 31 2003, 10:54 Garf QUOTE (Bedeox @ Jan 31 2003 - 09:22 AM)<ed... Jan 31 2003, 11:17 Bedeox Yes, but are they REALLY incorrect?
I'll check... Jan 31 2003, 11:28 john33 Comment from Segher, the author of the rehuff rout... Jan 31 2003, 11:51 Bedeox Reread my post, I stated what's probably incor... Jan 31 2003, 11:53 Bedeox Look at this...
OGG Rehuffed
OGG NOT Rehuffed
Thi... Jan 31 2003, 12:55 schlauf There's one more bug to report with oggenc 2.2... Jan 31 2003, 18:23 Garf Rehuff does not work with mono files IIRC. Jan 31 2003, 18:33 john33 QUOTE (Garf @ Jan 31 2003 - 05:33 PM)Rehuff d... Jan 31 2003, 19:24 Garf QUOTE (john33 @ Jan 31 2003 - 08:24 PM)QUOTE ... Jan 31 2003, 19:37 Bedeox Will somebody post here rehuffed and rehuffed/remu... Jan 31 2003, 20:01 callmeace I did follow the announcement about Rehuff back in... Mar 25 2004, 03:11 mmortal03 yeah, I'd like to know too Mar 25 2004, 17:25 Thomas Please add 2-pass Vorbis support! Jul 21 2004, 09:25 gameplaya15143 2pass encoding is only usefull to speed up the pro... Aug 25 2006, 01:27 fpi QUOTE (gameplaya15143 @ Aug 24 2006, 18:2... Aug 25 2006, 08:21 HbG What about listening tests where a specific averag... Aug 25 2006, 02:00  |
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