A52Codec
A52Codec 1.7.6
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(6) 4.625

Play A52 and AC-3 files in Core Audio apps.   Free
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A52Codec is a CoreAudio component that can decode stereo and 5.1 surround sound from A52 and AC-3 audio. This type of audio is often found in DVD movies.

From the Developer:" I'm no longer maintaining this app as a separate download; Instead you need to download Perian to get the latest version."
What's New
Version 1.7.6:
  • Allow the setting of dynamic range. Can make soft sounds louder.
  • AC3 passthrough. This is a hidden pref since it requires special conditions. It is best set by the application after it has completed such setup.
  • Fixed bug with badly packetized data
  • Fixed a case where the audio was being clipped
  • Fixed an incorrect assumption about sample rates.
  • Fixed an error with an incomplete sample at the end of a file
  • Added the ability to output Pro Logic II
Version 1.7.6:
  • Allow the setting of dynamic range. Can make soft sounds louder.
  • AC3 passthrough. This is a hidden pref since it requires special conditions. It is best set by the application after it has completed such setup.
  • Fixed bug with badly packetized data
  • Fixed a case where the audio was being clipped
  • Fixed an incorrect assumption about sample rates.
    • more...
Requirements
  • Intel/PPC
  • Mac OS X 10.4 or later
  • QuickTime 7.0.1 or later






A52Codec User Discussion (Write a Review)
ver. 1.x:
(6)
Your rating: Now say why...
Overall:
(6)

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+855
Negritude commented on 22 Nov 2013
An updated version of the codec that fixes issues in 10.8 and 10.9, can be downloaded here:

http://subler.googlecode.com/files/A52Codec.component.zip
[Version 1.7.6]


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+1

-1277
Libertyforall1776 commented on 30 Jun 2013
The latest version of this is 1.8.0 and the version that works with Mountain Lion is here:

http://www.techisky.com/answers/does-perian-support-ac3-on-mountain-lion-10-8-how-to-fix.html#more-120
[Version 1.7.6]


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richardhickling commented on 05 Mar 2009
Warning: filesize() [function.filesize]: stat failed for /home/gbooker/downloads/A52Codec Universal.dmg in /home/gbooker/sites/www.cod3r.com/download/get.php on line 14
Could not find file
[Version 1.7.6]


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Jaguar commented on 29 Nov 2008
Well I'm having the same problem..... No sound after installing A52.... help plzzzzzzzz
[Version 1.7.6]

1 Reply

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+1

+1
m_angela commented on 01 Dec 2008
download and install perian (see link above). that solved the audio problem for me.
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+1

+10

rumplestiltskin reviewed on 18 Dec 2007
Without this codec, AC3 audio isn't playable in apps that rely upon QT. (Of course, VLC doesn't have an issue but that's because VLC is self-contained and has all of the requisite components and codecs built-in.)

This codec plus Perian plus Flip4Mac's free component let virtually everything play in your QT apps.

Thank you!
[Version 1.7.6]


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gsnxn commented on 03 Jul 2007
Does A52Codec 1.7.6 conflict with Perian 1.0 (which, I believe, includes A52Codec 1.7.2)?
[Version 1.7.6]

1 Reply

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gsnxn replied on 03 Jul 2007
Duh, never mind, read the description...
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+56

follerec reviewed on 15 Oct 2006
This, together with Perian, NicePlayer, and MPlayer OSX, completes my video playing requirements for probably any type of video (or at least those that I do play).
[Version 1.7.2]

1 Reply

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lightworship commented on 14 Mar 2009
CAN NOT GET AUDIO FROM AVI FILES IN QUICKTIME?
GO TO http://perian.org/ DOWNLOAD AND YOU WILL.
IT WORKS.
WHY NOBODY CAN JUST COME OUT AND SAY THIS IS BEYOND ME.
I HOPE THIS MAKES YOU AS HAPPY AS IT DOES ME.
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Chuan commented on 22 Sep 2006
Finally AC3 encoded Movie file can be played smoothly in Quicktime Universal Binary! A big THANKS to 'Graham Booker', the developer who apparently fulfilled my expectation unexpectably well :P
[Version 1.7.2]


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-2

zetsurin reviewed on 04 Sep 2006
Excellent. The intel mac community has been in dire need of an AC3 codec (there have been a couple of random unsupported builds floating around, but they are pretty flaky).
[Version 1.7]


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+37

Swordfish reviewed on 04 Sep 2006
Latest version works great! Thanks!
[Version 1.7]


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+10
Bb553 had trouble on 22 May 2012
Perian is now listed as discontinued in 2012, so is it known where users should go for an updated (i.e. newer than version 1.8.0) A52 Codec for OS X PPC and Intel?
[Version 1.7.6]


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adrianadetoledo had trouble on 01 Aug 2008
Like puddingbowl, I installed the xvid 1.0 alpha component and the A52, but still am not getting any audio. Can anyone help me, please?
Cheers!
[Version 1.7.6]

1 Reply

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+403
MacUpdate-Lon replied on 01 Aug 2008
http://trac.cod3r.com/a52codec/wiki/TracGuide

See "Support and Other Sources of Information" at the above page.
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puddingbowl had trouble on 12 Jun 2008
I installed the XviD Codec Component 1.0 alpha, but no sound, and I still can't get audio after installing the A52. Any ideas?
[Version 1.7.6]


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luo_md had trouble on 22 Feb 2008
Can it let me play VIDEO_TS from DVD with sound/ audio? I have QTpro with mpeg2 component.
[Version 1.7.6]


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+48
mac adam had trouble on 14 Dec 2007
Please, do what Apple did'nt,
Allowing play ac3 in mpg, vob, and TS multiplexed in QuickTime. And this codec will become a must have…
[Version 1.7.6]

3 Replies

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gbooker (developer) replied on 17 Dec 2007
This is entirely Apple's fault, and only they can fix it. Demand it of them: http://bugreporter.apple.com
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+48
mac adam replied on 18 Dec 2007
I think they don't want, I've asked them a lot of time,
is why I ask you. Maybe you could do something ?
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+403
MacUpdate-Lon commented on 18 Dec 2007
This is entirely Apple's fault, and only they can fix it. Demand it of them: http://bugreporter.apple.com
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nglester had trouble on 08 Dec 2006
Hi all, i am having problem with my AC3 videos on the Quicktime player. After i installed the "A52Codec 1.7.2", all of my AC3 videos get a white "blinking" bar on the right handside of the QT player while playing the video.
I tried the same video same add-on on the G5 ppc, but everything runs smooth and fine. Any of you guys know i can get rid of this problem?

Please help, thanks a lot
[Version 1.7.2]

1 Reply

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nglester commented on 08 Dec 2006
No need for further help, i got it solved. That blinking line was cause by Divx 6.6 + A52Codec. Apparently these 2 won't go well together. I had to trashed the whole divX 6.
Installed the Perian 0.5, works perfectly fine now.
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en_rg_e had trouble on 19 Sep 2006
Mac NOOB here. After downloading and double clicking, the A52Codec just opens it in Excel. What program do I need to decode/install this codec? Or what am I simply doing wrong?
[Version 1.7.2]

1 Reply

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BeebarbX commented on 19 Sep 2006
Rename A52Codec to A52Codec.dmg and double-click. It should mount on the desktop.
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ShannonRawls had trouble on 22 Aug 2006
I agree, with this plugin, Quicktime still will not play AC3 encoded VOB or MPG files. I authored a DVD on a PC using Sony Architect with AC3 audio. I ripped it with MacTheRipper, and it will not play audio with Quicktime. I am looking for a solution.
[Version 1.6]

1 Reply

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gbooker (developer) replied on 28 Aug 2006
Giving you the same response:

One user reported ( http://trac.cod3r.com/a52codec/ticket/6 ) that this worked, but I have been unable to reproduce his results. Two things lead me to believe that this is the fault of the vob file importer and not the codec.
1) If you open a .mov or a .avi file without the component, then QuickTime Player shows a dialog box telling you that you are missing components. No such dialog with .vob files
2) Even if QuickTime Player is unable to find a codec, it still will shows the audio bars on the right if an audio track is present. No such bars.
I believe that Apple's vob file importer is not doing its job correctly. If this is the case, then the fault lies with them, not with the codec.

P.S. You would receive faster response if you post to the ticket tracking system than if you post here.
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BRich had trouble on 29 Jul 2006
Does not work for me. After installation as instructed, Quicktime still cannot play the sound when viewing a .VOB file.
[Version 1.6]

1 Reply

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gbooker (developer) replied on 16 Aug 2006
One user reported ( http://trac.cod3r.com/a52codec/ticket/6 ) that this worked, but I have been unable to reproduce his results. Two things lead me to believe that this is the fault of the vob file importer and not the codec.
1) If you open a .mov or a .avi file without the component, then QuickTime Player shows a dialog box telling you that you are missing components. No such dialog with .vob files
2) Even if QuickTime Player is unable to find a codec, it still will shows the audio bars on the right if an audio track is present. No such bars.
I believe that Apple's vob file importer is not doing its job correctly. If this is the case, then the fault lies with them, not with the codec.

P.S. You would receive faster response if you post to the ticket tracking system than if you post here.
burypromote

audacityisveryscary had trouble on 12 Jun 2006
I'm not able to get this working. I tried filing a ticket but it apparently disappeared. iTunes and Quicktime will not play the .ac3 from:

http://www.lynnemusic.com/surround.html
[Version 1.6]

2 Replies

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gbooker (developer) replied on 12 Jun 2006
Did you mean this ticket? http://trac.cod3r.com/a52codec/ticket/5

Well, if not, that one should contain the information you desire.
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audacityisveryscary replied on 13 Jun 2006
yes that ticket. thank you. informative.


Centris rated on 01 Jan 2012

[Version 1.7.6]


Downloads:236,363
Version Downloads:222,389
Type:Multimedia Design : Audio
License:Free
Date:02 Jul 2007
Platform:PPC 32 / Intel 32 / OS X
Price:Free0.00
Overall (Version 1.x):
Features:
Ease of Use:
Value:
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A52Codec is a CoreAudio component that can decode stereo and 5.1 surround sound from A52 and AC-3 audio. This type of audio is often found in DVD movies.

From the Developer:" I'm no longer maintaining this app as a separate download; Instead you need to download Perian to get the latest version."


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