AC3 Audio w/ VLC

Hey, everyone,
Sorry if this is a stupid question (I'm pretty new to Linux), but I can't seem to get VLC to play any MKV file with AC3 audio via the GUI. If I use "vlc -vvv" in the command line, then manually select the file I want to play, it will work fine, but I really don't want to use the command line every time. The files are all on an old Windows share with many spaces and other annoyances, and typing them every time would be incredibly tedious. I've installed gstreamer good, bad, and ugly, and I also have the liba52 ATSC A/52 decoder. In theory, everything should work fine, but I can't figure out how to make it functional. I rely on your wisdom.

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HT3775 This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a QuickTime component for this audio format in order to hear the soundtrack of this file.

This message appeared and does this just mean I need to upgrade Quick time player? This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a QuickTime™ component for this audio format in order to hear the soundtrack of this file.

Luckily, there are DOZENS of video/media players and extensions avaliable for the Mac. Many of them are FREE, some of the better FREE ones are...
PERIAN (quicktime extension)
http://perian.org/
QUICKTIME 7.6.6
http://support.apple.com/kb/DL923
VLC media player
http://www.videolan.org/vlc/
NICEPLAYER
https://code.google.com/p/niceplayer/
And if none of those work, there is a possibility that those video files may be corrupted.

HT1338 Im trying to watch a film downloaded from Bit Lord, I'm getting 'Error Dolby AC3 Audio". Player does not recognize the audio in this video, how do I fix this?

Im trying to watch a film downloaded from Bit Lord, I'm getting 'Error Dolby AC3 Audio". Player does not recognize the audio in this video, how do I fix this?

Download VLC and try playing the video...
http://www.videolan.org

What can i do to fix the following : You may need an additional audio decoder to play the soundtrack of this file. This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a DirectShow decoder for this audio format i

You may need an additional audio decoder to play the soundtrack of this file.
This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a DirectShow decoder for this audio format in order to hear the soundtrack of this file.

Luckily, there are DOZENS of video/media players and extensions avaliable for the Mac. Many of them are FREE, some of the better FREE ones are...
PERIAN (quicktime extension)
http://perian.org/
QUICKTIME 7.6.6
http://support.apple.com/kb/DL923
VLC media player
http://www.videolan.org/vlc/
NICEPLAYER
https://code.google.com/p/niceplayer/
And if none of those work, there is a possibility that those video files may be corrupted.

AC3 Audio

Hey guys, wonder if you call help me. I have an AVI file with AC3 audio on it, i can get picture but can hear anything?? any ideas how i get the audio to work? cheers.

Cheers malcome but i want to burn the file to DVD and VLC doesnt seem to let you??

Exporting 5.1 ac3 audio from Premiere Pro CS4

Hi there,
I wonder if anybody can help me out with exporting 5.1 ac3 audio from Premiere CS4 version 4.1.0?
I have a 3min long HD 5.1 clip that I need to cut down to 60seconds and add fade transitions to. The final clip will be used in a media player with very specific spec - the clip needs to remain HD 1080p with a frame rate of 29.97 and a maximum CBR of 38. The audio must be 5.1 aac. The format can be mpeg 2 or h.264. The overall quality loss needs to be minimal.
Up to now I have been cutting up footage that only needs to be stereo and I found the best way to to this while keeping quality was to use Prem Pro and export as mpeg 2 1080p 29.97, quality:5, bitratre: CBR 38, audio as mpeg layer 2 (as these clips were stereo only). These clips played back fine and looked great so I wanted to keep the 5.1 clip process as close to this as possible.
So far all I have been able to get from Premiere Pro is an audio codec called DVD_LPCM which the media player will not recognise. I'm a bit of a novice when it comes to 5.1 audio so I may be doing something obviously wrong...
- I have purchased the 5.1 surcode codec and its activated.
- I have started a new AVCHD (I need 1920x1080) 1080p 29.97 project with a 5.1 audio master
- The orignal file is an mpeg which I have pulled into PPro and selected Clip > Audio > Breakout to mono
- I take the 6 mono channels in the project panel and put them into thier own mono tracks in the sequence.
- the video I use is the original mpeg with the 5.1audio muted in the sequence.
- When i select each track in the project panel and go to Clip > Audio > Source channel mappings, I see that track has already been allocated a source channel. So I go to the Audio Mixer panel and adjust the 5.1 panners for each tyrack according to what the Source Channel Mapping window has told me - Audio 1 is is L, audio 2 is R, audio 3 is LS, 4 - Rs, 5- C and 6- LFE
- I cut the video and all the mono track to the 60seconds I need and export using these settings:
Video - exactly as before
Audio -
Format - Dolby Digital, Codec - SurCode, Audio Coding Mode: 3/1 (L, R, C, LFE, Ls, Rs - 5.1 Surround), LFE: on.
The clip exports with DVD_LPCM 5.1 audio. Is it to do with the AVCHD preset? Could anyone help me get aac? Any help would be appreciated.
Thanks in advance

Using AME and the SurCode Plug-in, here's how the dialog screen looks for the Audio Tab in PrPro 2.0. It should be similar in CS4:
You do have the Minnetonka SurCode DD 5.1 SS plug-in, right?
Good luck, and hope that this is helpful.
Hunt
PS - note that in the screen-cap, I have composited the dialog box, as though it fully displayed, with no need to scroll it. Depending on your display, you may need to scroll, and your scroll bars will look different from what you see here - just ignore that part of it.
Message was edited by: the_wine_snob - Added PS

Update 4.1. and AC3 audio

Alas no AC3 audio, anyone else experiencing this?

Bogus! I think that a lot of folk were. I could have sworn that I saw something about it being part of 4.1 - probably just one of those rumors...
Thanks for reporting, even if it's bad news,
Hunt
[Edit] I'm probaby thinking back to an issue with the SurCode DD 5.1 SS plug-in. I know that efforts to fix those issues were underway. That is obviously a problem affecting things in one way ->, but I'd hoped to see things fixed in the other way <-. Hm-m, OK, so it ain't perfect.

IDVD 6 and AC3 audio

Does iDVD 6 do AC3 audio? No? Still only bloated PCM audio, right?
...reportedly iMovie 6 STILL has the same jaggy still image bug that has haunted us since v3 and which keeps the iMovie forums busy. I'm afraid that many other old bugs are still there.
AC3 audio support for iDVD might have been a good cause for me to upgrade but maybe I'll have to use iWeb as an excuse to take a dive into the new features and bugs in iLife 06...

So what does it look like and when does it happen?
http://www.sjoki.uta.fi/~shmhav/iMovieHD_bugs.html#jaggystills
http://www.sjoki.uta.fi/~shmhav/iMoviejaggystill.jpg

HT204382 Dolby AC3 Audio (code "8192") format

What do I need to get and to install so I can get sound on the videos that tell me,"You may need an additional audio decoder to play the soundtrack of this file.
This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a QuickTime™ component for this audio format in order to hear the soundtrack of this file."

JOSDIOR wrote:
dear all i have this message on my computer when a try to play a dvd:"this file contains a track in the DOLBY AC3 AUDIO CODE"8192" format
From what I can read, downloading and installing Perian may fix your issue.
You can download Perian for free from here
http://perian.en.softonic.com/mac
Good luck
Pete

Dolby AC3 Audio (code "8192") format

I tried to find in the QuickTime forum about this topic but no success.
I received this message trying to watch a movie:
This file contains a track in the Dolby AC3 Audio (code "8192") format. You may need to install a DirectShow decoder for this audio format in order to hear the soundtrack of this file.
The problem is that I visit about 15 discussions webpages about this "AC3 Audio (code "8192")" and what I really got? Nothing that really worked. What I found was for PCs, codec in .exe and so on, but for the Mac, zero. I even bought DivX for Mac and it was a deception. I looked at Apple/QuickTime/Components and I was again at DivX page...
Any help would be great. Thanks in advance!
Mario Lordeiro, Rio de Janeiro

http://perian.org/
http://discussions.apple.com/thread.jspa?messageID=10368675

AC3 audio not compressing properly

I am compressing under the DVD selection. Everything was working great, until today. The compressor audio output for the AC3 audio has changed (different icon like a itunes file) and the DVD shuts down when I try to import the asset.
I cannot preview the audio. I went back and looked at earlier projects and I could always preview the audio in Finder. Any suggestion? I need to deliver the DVD on this project in 4 days. Help!
Thanks!

Presuming you are making an SD DVD you will most likely need to lower your video data rate.
If compressor is giving you problems this could be done in DSP.
Preferences/Encode/ If your show is under 70 minutes I would do average 6.5/max 7.7 and motion est. -best / background encoding. If your source is longer duplicate compressor data rates based on length settings. Drag your source movie from FC into assets.
This will create a MPG folder where your project is. Create an AC3 from the aiff and see how that works. Mac DVD player app is a good way to check and see how your burned disc will look. Build/check/burn from DSP or Toast.

AC3 audio out of synch

I created a DVD in DVD Studio Pro 4 which included ac3 audio files. When viewing the DVD on NTSC monitors the audio is in synch and plays wihtout issues. When viewing it on Plasma TV the audio is out of synch. Please advise.

Plasma tvs are notorious for having sync drift. I have a Pioneer 43" (I know, showing off!!!) and whilst I have yet to notice it on DVDs I notice drift a lot on Sky TV broadcasts (in the UK) - especially bad on live programmes. I have heard that if you have an HDMI input on your plasma and an HDMI DVD player that sometimes cures it...
Basically it's because some (all?) plasmas have a de-interlacing function which puts a very slight delay on "writing" the picture to the screen. You can get Scart leads in the UK that have a delay built in to the audio to alleviate (Scart isn't used in the US I don't think). Most people don't even notice it...
If the audio is in sync on normal CRT monitors and on your Mac then it's fine...
Steve Kirkham

AC3 Audio and Quicktime 7.6 Problem

I was wondering if anyone else is having a problem with opening an audio file with the .ac3 extension in the updated Quicktime 7.6?
What I have been doing, for a couple of years now, is that I capture a TV program from my DVR using the firewire port. Once the file is loaded on my Mac, I then open MPEG Streamclip, trim out the commercials, Export to Quicktime using H264 and 2 channel AAC audio, after the export is done, I would then do a Demux to AC3 to get a separate audio only file containing the 5.1 surround sound.
I would open the .ac3 audio only file, open the .mov video file (both in Quicktime). I would then copy the 5.1 audio track from the .ac3 file, Go to the .mov file, perform Edit/Add to Movie. This way I would have 2 audio tracks, AAC a 2 channel track and AC3 a 6 channel track.
But now with Quicktime 7.6, I cannot open the .ac3 file at all, I get "The file is not a movie file." error message with no error code.
Any suggestions?
Thanks,
Bill

POSSIBLE SOLUTION
I think I have discovered a way to workaround the AC3 5.1 sound problem.
I found an old 20GB drive and installed Tiger 10.4 onto the drive. I then downloaded the "MacOSXUpdCombo10.4.11PPC.dmg" file and updated the system to Tiger 10.4.11. I performed all of the updates (System Security updates and the Java updates) through Software Update except for iTunes and QuickTime.
I then downloaded the "QuickTime755_Tiger.dmg" file from Apple and updated to QuickTime 7.5.5
DO NOT UPGRADE TO 7.6
I then opened the TV show in QuickTime 7.5.5, I extracted the audio file from the program and saved as a separate audio file (it saves as a .mov file).
I opened this audio file in QuickTime 7.5.5 and then exported the audio
selecting Export Movie to QuickTime movie,
clicked on the options button,
the sound box should already be checked,
clicked on the settings button,
under the Format drop down I clicked on AAC,
Channels: I clicked on 5.1,
then Rate:48.000,
checked on Show Advanced Settings,
Quality: Normal,
Encoding Strategy: Constant Bit Rate,
Target Bit Rate: 384
(used MediaInfo Mac to gate this information),
clicked OK,
Clicked OK,
then named the file, saved it and then waited for audio to be converted from AC3 5.1 to ACC 5.1.
If you now open up this file in QuickTime 7.5.5 it is an ACC format with 5.1 and plays fine.
I then restarted to my regular drive with QuickTime 7.6 loaded and it plays the audio file without any problems.
I'm sure that there must be a way to repackage the AC3 audio file in an AAC container that will work better and faster, but for now this seems to work, so I am going to try some other shows that I have.
Let me know if this works for others.
Bill
Message was edited by: Boliver
Message was edited by: Boliver

Way to edit and save .AC3 audio files?

Anyone know if there is a way to edit and save .AC3 audio files in Audition 3?

Every time you open any coded file at all in Audition, you lose quality if you resave it in anything other than an uncompressed format. With most formats, what is even worse is saving them in a different compressed format, because you end up with twice as many different coding artefacts.
What you need to understand is that all of these formats are distribution formats, not editing ones. The basic principle is that you work in an uncompressed format until the last possible moment - ie, distribution. And that, ideally, is the only time you use a compressed format at all. So if you want to use something that's compressed, you uncompress it once, and don't recompress until you absolutely have to.

?Compressor 2 = 3.95gb-mpeg2 & 172.39 AC3 Audio ='s 4.6gb in "Disc Meter"??

Movie time = 2hours and 6 mins:
??? Compressor 2 = 3.95gb-mpeg2 & 172.39 AC3 Audio ='s 4.6gb in "Disc Meter" ???.
I just put these assets into DVDSP4 from FCP5 after using compressor 2 (Average bit rate = 4.5mbps, Maximum Bit rate = 7.5mbps, motion estimation = best, sound is sample rate = 48kHz, Data Rate = 192 kbps.
I looked in the forum but ditn't get an answer that solved this problem including reboot program change preferences ect...
I would grateful for a solution to this problem as I am new to dvdsp4 and my clients are waiting. Thank you for taking time to read this.
G5 1.8 ghz 512 ram Mac OS X (10.4.8)
g5 Mac OS X (10.4.8)

This issue comes up all the time
The meter is not always 100% accurate and the sizes being reported change depending on how you look at them - when you are looking at the size of the files, how are you doing that In Finder->Get Info? Which number the smaller or larger if doing it that way? The sizes can be reported different ways, take a look at the link above. Also try deleting the PAR/MPEG files and closing and reopening.
What size is the folder when it is built to the hard drive? Keep in mind there is some overhead from making a DVD
Also 2 hours 6 minutes (missed that in the original post, sorry) is very close to the edge on being able to fit on a DVD-5 with the rates you have - an average of 4.6 should fit in theory, but it is never an exact science

AC3 Audio w/ VLC

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