Why does part of my audio get cut off when sending audio to my TV, soundbar or audio receiver after my PC has been idle?

Updated 01/24/2023 08:58 AM
Why does part of my audio get cut off when sending audio to my TV, soundbar or audio receiver after my PC has been idle?

You may encounter a situation where your TV, soundbar or audio receiver turns off or stops playing audio if your PC has beeen kept idle for a certain period of time.  As a result, when you start playing audio again on your PC, your audio device may cut off the first second as it attempts to wake up.  If you are experiencing this issue, we recommend checking the settings of your TV, soundbar or audio receiver for an option which will prevent your device from going to sleep if there is no audio signal.  
 
Workaround
If your TV, soundbar or audio receiver does not provide an option to control the power management settings, you may workaround this issue by changing the sleep settings of your audio device in Windows.  To solve this, follow the steps below:
 
1. Press the Windows key on your keyboard to bring up Windows Start menu and type "regedit" as shown in the screenshot below.  The search result will bring up the Registry Editor.  Double-click on the Registry Editor icon to launch the app.
 

2. From the Registry Editor, navigate to the location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e96c-e325-11ce-bfc1-08002be10318}\
 
3. You will folders labeled 0000, 0001, 0002, etc..  Locate the folder that contains the device "NVIDIA High Definition Audio" as shown in the screenshot below.  In this example, the NVIDIA High Definition Audio device is located in the folder 0001.
 

4. Under the fold where the NVIDIA High Definition Audio device is located, select the folder PowerSettings
 
 
5. You should see the following registry keys under PowerSettings:
ConservationIdleTime
IdlePowerState
PerformanceIdleTime
 
6. Double-click on each of the registry entries to edit the value.  Replace the first value with a "0" as shown in the screenshot below and then press the OK button.  
 
 
7. Once completed, your results should look similar to the screenshot below.  You may now close the Registry Editor.
 
 
Please note: These values will remain until you update your NVIDIA GeForce display drivers in the future after which they are reset to the default values.  

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