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Win XP cannot play AAC AC3 video

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soldar:
Again, I have half dozen WIN XP PRO SP3 machines and some play videos with AC3 or AAC audio and some don't.

AFAIK they are all configured alike. I believe the codec pack they use for this audio is the FFDShow codec pack. It is the one I always install. The same installer exactly.

When I paly a video some computers will use the FFDShow audio codec and some won't and then no audio is heard.  All computers use the FFDshow video codec but only some use the audio codec.

I am not sure what I can do so the media player will use the codec. When the audio codec is in use an icon appears in the system tray so I know if it is being used.

In Device Manager, Audio Codecs I can see the ffdshow ACM codec is installed. Using properties I can put it in any position (preference) and it makes no difference.

How could I force the media player to use the right codec (whatever it is)?

Taking one particular video's audio info I get: 
--- Quote ---MPEG-4 AAC LC, 24000Hz  32 kb/s , mono (1/0)
--- End quote ---

I would like to avoid just installing more codecs willy nilly because I have tried it in the past and have managed to really mess things up. As I say, FFDShow seems to be working on some machines. What can I do to get it to work in the others? Any ideas on how to get the audio to work?

Ampera:
VLC is (I believe) packaged with libavcodec on Windows which I believe has full support for AAC and AC3 audio within videos. VLC's codec system is separate from the V4W codec architecture, so any issues with missing or broken codecs should not affect it. If using the V4W codec architecture is important for applications relying on it, then I've had luck installing the Shark 007 codec packs, although I am unsure if there is a version with NT 5.1 support.

mariush:
If you don't like VLC, try Media Player Classic Home Cinema  (mpc-hc): https://mpc-hc.org/downloads/

All major formats are supported with built-in codecs, no need to install extra things.

soldar:

--- Quote from: Ampera on May 31, 2019, 02:06:27 am --- VLC is (I believe) packaged with libavcodec on Windows which I believe has full support for AAC and AC3 audio within videos.
--- End quote ---

I m pretty sure I have libavcodec which is included in ffdshow. It's just not working.

soldar:

--- Quote from: mariush on May 31, 2019, 02:27:11 am ---If you don't like VLC, try Media Player Classic Home Cinema  (mpc-hc): https://mpc-hc.org/downloads/
--- End quote ---

I am trying to get the codecs to work like they work on the other computers.

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