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Old 2007-03-22, 16:39   Link #21
zrdb
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I gererally prefer ac3-I don't think that it really takes much is any more space than mp3-one thing to remember is that all of the formats discussed here-except linear pcm-are lossy formats.
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Old 2007-03-26, 06:45   Link #22
SirCanealot
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Am I the only one who thinks LAME is okay, still...?
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Old 2007-03-26, 07:06   Link #23
martino
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Probably not, I mean if you go for AVI then there's not much else that you can choose as the audio format (if we count only lossy compression). Well, you can use AAC in AVI too AFAIK, but it's not recommended and I think it was Nicholi who managed to hack AVI to include a Vorbis stream, but with some massive overhead.

However if you're using MP4 or MKV as your container then imho I really don't see the point in using MP3 when you can have Vorbis, AAC and many other formats...
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Old 2007-03-26, 07:16   Link #24
DryFire
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Originally Posted by SirCanealot View Post
Am I the only one who thinks LAME is okay, still...?
I wish you were. Other then keeping the original audio I don't see much of a reason to use mp3, unless you're sticking with the archaic avi.
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Old 2007-03-26, 08:00   Link #25
Schneizel
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Uncompressed PCM.
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Old 2007-03-26, 08:50   Link #26
Mentar
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O_O

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Koda sighting!

*alerts some fansubbing friends*
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Old 2007-03-26, 09:24   Link #27
emptyeighty
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Originally Posted by kodachrome View Post
Uncompressed PCM.
Uncompressed 7.1 PCM, hurr hurr.
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Old 2007-03-26, 14:57   Link #28
Quarkboy
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Quote:
Originally Posted by emptyeighty View Post
Uncompressed 7.1 PCM, hurr hurr.
Graphical printout of the waveform, 1ft/second... Hurr hurr hurr!
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Old 2007-03-26, 16:32   Link #29
emptyeighty
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Originally Posted by Quarkboy View Post
Graphical printout of the waveform, 1ft/second... Hurr hurr hurr!
I'm game if you personally come to my house to re-transcode (i.e. sing/talk) that into audible form. :-)
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Old 2007-03-31, 06:00   Link #30
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Hrmm, everyone says mp3 makes the most sense for AVI? So what about those AVIs that are DivX/AC3? It does work apparently.

Unless the point is DivX isn't sensible nowadays for such high-quality encodes, guess the file I'm looking at does stem from 2003. Not sure when H264 became a real option, personally I still dislike using it, it's far from idiotproof with the portability issues a user is bound to run in it to. (Threatening to get off-topic here though.)
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Old 2007-03-31, 06:44   Link #31
martino
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Those AVIs that are DivX/AC3 are usually RAWs (most likely DVD releases) or some older DVD-Rips...
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Old 2007-03-31, 10:16   Link #32
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Yes, AC3 in AVI works. But using AC3 (or rather, KEEPING the AC3) is only meaningful if your source used it too, or it's a nonsensical way to waste bitrate with an inefficient codec.
... unless you ask those funky Sprocket-Hole people who randomly transcode shitty 256kbps CBR MP3 and other random funny things from TV raws to AC3, apparently for hardware compatibility reasons (sic).
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Old 2007-08-04, 02:56   Link #33
edogawaconan
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I'm having problem
I need to transcode a 448kbps 4ch ac3 to something more efficient. But I can't make anything to work with it.
NicAudio only reports 2 channel.
NeroDigital (the one in nero burning rom package, not commandline), when I feed it with wav file, smartly transcode it to 5.1
DirectShowSourcing it and feeding it to megui returns error with oggenc and nerodigital.

And lastly I tried using ogg vorbis q5 (with wav file as source) and it seems to work, with foobar correctly reports it as having 4 channel (and the filesize is 135MB vs 200MB ac3) but I'm not so sure in using it.

Any suggestion? Or should I just mux the ac3 file?


*the 4ch wav file made with foobar2000

Last edited by edogawaconan; 2007-08-04 at 05:10.
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Old 2007-08-04, 04:58   Link #34
ArchMageZeratuL
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Guys. Please. Ogg != Vorbis. Ogg is a container. Vorbis is a codec. The terms are not equivalent, exchangeable, or implied by one another. You can have Ogg without Vorbis. You can have Vorbis without Ogg. And there is no such thing as "OGG".

Whenever someone says that a mkv has "Ogg" audio, that he encoded something with Ogg, or anything of the sort, god kills a nekokoneko.
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Old 2007-08-04, 05:12   Link #35
edogawaconan
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Quote:
Originally Posted by ArchMageZeratuL View Post
Guys. Please. Ogg != Vorbis. Ogg is a container. Vorbis is a codec. The terms are not equivalent, exchangeable, or implied by one another. You can have Ogg without Vorbis. You can have Vorbis without Ogg. And there is no such thing as "OGG".

Whenever someone says that a mkv has "Ogg" audio, that he encoded something with Ogg, or anything of the sort, god kills a nekokoneko.
Edited as requested. It's just my bad habit since almost no one (as I know) uses .ogg to contain anything other than ogg vorbis. And the unpopularity of ogg theora makes me forget even more about that. (and perhaps also because all I've seen when writing that is .ogg files, oggdropXPd, and oggenc2)
Don't worry, I properly tagged my vorbis track in mkv with 'ogg vorbis'
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Old 2007-08-04, 09:54   Link #36
TheFluff
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use besweet -> decompress to 4 channel wav -> encode to something else

I still wouldn't recommend using vorbis for anything with more than two channels though
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17:43:13 <~deculture> Also, TheFluff, you are so fucking slowpoke.jpg that people think we dropped the DVD's.
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Old 2007-08-04, 11:27   Link #37
edogawaconan
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I can't see any command to make a 4 channels WAV with BeSweet...

edit: with some weird method I somehow able to do it:
  • convert AC3 file to 6 WAV files (with BeSweet)
  • I don't know why, but it converted LFE to side right AND left and create empty LFE channel file
  • so I renamed side right to LFE, and LFE to side right and left
  • merged the 6 WAV files to one WAV file (with BeSweet)
  • convert with Nero AAC Encoder
  • and I got a 5.1 AAC with silent SR/SL channels and correct FR/FL/C/LFE channels

comments?

Last edited by edogawaconan; 2007-08-04 at 11:53.
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Old 2007-08-04, 15:10   Link #38
Cheezy
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I prefer .avi

mkv sucks because you need VideoLan for it.
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Old 2007-08-04, 17:18   Link #39
xat
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...

Quote:
Originally Posted by Cheezy View Post
I prefer .avi

mkv sucks because you need VideoLan for it.
... is this meant to be a troll?
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Old 2007-08-04, 22:38   Link #40
Zanejin
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Quote:
Originally Posted by edogawaconan View Post
I can't see any command to make a 4 channels WAV with BeSweet...

edit: with some weird method I somehow able to do it:
  • convert AC3 file to 6 WAV files (with BeSweet)
  • I don't know why, but it converted LFE to side right AND left and create empty LFE channel file
  • so I renamed side right to LFE, and LFE to side right and left
  • merged the 6 WAV files to one WAV file (with BeSweet)
  • convert with Nero AAC Encoder
  • and I got a 5.1 AAC with silent SR/SL channels and correct FR/FL/C/LFE channels

comments?
Just in case you aren't already, go ahead and begin using BeLight (version 0.22 RC1 is safe to use), as it's meant to be a replacement for the original BeSweet GUI. Then, you can go to the "WAV/PCM" tab and select "16 Bits 5.1 Wave" under "Output Channels"—you probably used the equivalent of "16 Bits (Six) Mono Waves", or maybe something more bizarre.
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