[wdmaudiodev] Re: DTS-HD/Dolby TrueHD over HDMI support on Vista

  • From: Frank Yerrace <Frank.Yerrace@xxxxxxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Wed, 18 Jul 2007 12:39:57 -0700

We're discussing this here among a few of us on the audio team. If you can wait 
longer we can hopefully provide some higher-confidence guidance.

Frank Yerrace
Microsoft Corporation
This posting is provided "AS IS" with no warranties, and confers no rights.

From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of T C
Sent: Wednesday, July 18, 2007 7:33 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: DTS-HD/Dolby TrueHD over HDMI support on Vista

Dear Matt,

Thanks for your information.

As we know, max bitrate of DTS-HD is 24Mbps, Dolby TrueHD is 18 Mbps.
Does that meanswe need to using 0x0092 tag of higher sampling frequency, 
channel count to achieve such high bitrate?

Regards,
Cyndi


2007/7/18, Matt Gonzalez <matt@xxxxxxxxxxxxx<mailto:matt@xxxxxxxxxxxxx>>:
T C wrote:
> Hi All,
>
> HDMI 1.3 is getting more and more popular now.
> For AC3/DTS over S/PDIF, AP could open audio buffer with waveformattag
> 0x0092 to transfer AC3/DTS via S/PDIF.
>
> But for new audio format like Dolby TrueHD, DTS-HD over HDMI.
> Is there a new tag available, or just use the same tag could achieve
> the purpose?
>
> Thanks for your answer in advance :)
>
> Regards,
> Cyndi
I'm pretty sure you can use the same tag.
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