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ronzino

Speaker Configuration and Sampling Frequency

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Would be possible to add the following ?

  • number of system speakers
  • sampling audio frequency of HDMI output

even if it seems not useful (has once you have set them, they stay forever) it is absolutely not the case.

Windows 10 is a very bad boy, loves a lot to change speaker config and sampling frequency according to which process requests the audio card in exclusive mode.

8 / 10 times, windows make a lot of mess in managing this, and at next reboot you will have 2.0 @ 44100 hz speaker instead of 7.1 @ 192000 hz.

To further complicate this there is the possibility that you have to wear headphone (switching to 2.0 or whatever) and you forget to switch back to 7.1.

 

SOOOO..... would be possible to add those sensors to Aida64 ? (they are written into the system register at least here).

Attached you can find two register dump I use to force windows to switch between 2.0 and 7.1 192000 hz.

7,1.reg2,0.reg

 

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On 5/11/2020 at 7:01 PM, ronzino said:

Would be possible to add the following ?

  • number of system speakers
  • sampling audio frequency of HDMI output

even if it seems not useful (has once you have set them, they stay forever) it is absolutely not the case.

Windows 10 is a very bad boy, loves a lot to change speaker config and sampling frequency according to which process requests the audio card in exclusive mode.

8 / 10 times, windows make a lot of mess in managing this, and at next reboot you will have 2.0 @ 44100 hz speaker instead of 7.1 @ 192000 hz.

To further complicate this there is the possibility that you have to wear headphone (switching to 2.0 or whatever) and you forget to switch back to 7.1.

 

SOOOO..... would be possible to add those sensors to Aida64 ? (they are written into the system register at least here).

Attached you can find two register dump I use to force windows to switch between 2.0 and 7.1 192000 hz.

7,1.reg 78.2 kB · 0 downloads 2,0.reg 78.05 kB · 0 downloads

 

We'll have to do some research on that.  It doesn't seem to be particularly easy to detect the number of speakers.

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maybe this C++ get method  can help. Sound Graph Imon LCD has embedded icon to display speaker config. 

IDirectSound::GetSpeakerConfig

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