Windows Media Center is unable to output Dolby Digital/DTS via SPDIF... only stereo PCM is sent

Hello

I recently bought a desktop computer HP Pavilion with Vista Home Premium (64 bit) 5150t.  The PC comes with a TV tuner and it works well with Media Center except that it cannot output Dolby Digital (or the other program on the air with JJ or DVDs of films that have a DD) outside of my A / V receiver.

My Board has Realtek HD Audio and I activated the digital (SPDIF) output in its program.  I put the "Properties" of the digital output in support of * TWO * DTS and Dolby Digital encoding.  When I press the 'Test' button for either format, outside A / V receiver correctly recognizes the format, so the problem is not with my receiver.

Read forums and online help notes, I strongly suspect that the codec MPEG-2 by default for Windows Media Center is not configured correctly for cross DD or DTS - it somehow always stereo down-Mix before sending to SPDIF.  Could you tell me how to check and change codec setting?  Thank you!

-Colin

Hi Chow Ho.
 
This problem occurs because the DirectShow component and audio decoder MPEG2 in Windows Vista does not correctly support DTS pass through S/PDIF or HDMI.
 
To work around this problem, click to select the box Audio DTS and Dolby Digital check box in the SPDIF Out properties dialog box or the dialog box Properties of HDMI Out .
 
You can also check out the link below for more information:
 
http://support.Microsoft.com/kb/940685
 
I hope this information is useful.
 
Please let us know if you need further assistance.
 
Concerning
Rehman - Microsoft Support

Tags: Windows

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