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Windows11 volume slider output percentage/power

andreasb

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Jul 10, 2021
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slider value | output power [wattage] | ( bonus explanation FWIW )
  • 100% -0 dB 2 V output ( de facto standard last 15 years+ )
  • 82% -3 dB ( half power )
  • 67% -6 dB 1 V output ( quarter power , 1/2 sound- or acoustic power )
  • 52% -10 dB ( 1/10th power , half perceived volume- or loudness )
  • 45% -12 dB 0.5 V output ( like EU AAPL dongle/i-devices )
  • 42% -13 dB ( 1/20th power )
  • 37% -15 dB
  • 27% -20 dB ( 1/100th power )
  • 22% -23 dB ( 1/200th power )
  • 14% -30 dB ( 1/1000th power )
Edited: values corrected. Thanks @unplugged for pointing it out
 
Last edited:
DAC: ALC1220 , so applicable to all onboard audio DACs in PC motherboards of the last 15 years. Furthermore, the -x dB output numbers on their own should be applicable to every device using Windows 10/11.

slider value | output power [wattage] | ( bonus explanation FWIW )
  • 100% -0 dB 2 V output ( de facto standard last 15 years+ )
  • 80% -3 dB ( half power )
  • 62% -6 dB 1 V output ( quarter power , 1/2 sound- or acoustic power )
  • 50% -10 dB ( 1/10th power , half perceived volume- or loudness )
  • 43% -12 dB 0.5 V output ( like EU AAPL dongle/i-devices )
  • 40% -13 dB ( 1/20th power )
  • 33% -15 dB
  • 25% -20 dB ( 1/100th power )
  • 20% -23 dB ( 1/200th power )
  • 12% -30 dB ( 1/1000th power )
Test system: Win11, MB: NZXT N7 Z490 ( ALC1220 ), Apple USB-C dongle EU version, REW, Umik-1

PS: not necessarily 100pc accurate but close-ish
But Windows already does indicate volume level in decibels.
 

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