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Realtek Equalizer Settings
This is for those who, like me, have been looking for where the frequency equalizer (enhancement) settings for Realtek are stored. Here is a zipped file with some settings. These are the plus (maximum) and minus (minimum) settings of each frequency enhancement in turn.
equaliser.zip
This is the code behind that file, with the relevant details highlighted for each frequency enhancement control.
This shows the structure of an individual entry. The data is entered as shown below, with each frequency enhancement having the limits shown above. Each frequency enhancement occupies 4 bytes and is represented in red. The first 4 red figures represent the 31Hz frequency enhancement, the second 4 the 62Hz frequency enhancement and so on, until the final 4 figures which represents the 16KHz frequency enhancement.Code:Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render\{80a6e8bb-0c10-4337-97f5-b4478786bd7a}\FxProperties] "{69203b66-c559-499c-bb5f-f54563cd7d59},0"="eq31up" "{36033203-cbc4-4960-9b48-490166ca34c9},0"=hex:41,00,38,fc,01,00,00,00,b0,04,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},1"="eq31dwn" "{36033203-cbc4-4960-9b48-490166ca34c9},1"=hex:41,00,38,fc,01,00,00,00,50,fb,\ ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},2"="eq62up" "{36033203-cbc4-4960-9b48-490166ca34c9},2"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,b0,04,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},3"="eq62dwn" "{36033203-cbc4-4960-9b48-490166ca34c9},3"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,50,fb,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},4"="eq125up" "{36033203-cbc4-4960-9b48-490166ca34c9},4"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,b0,04,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},5"="eq125dwn" "{36033203-cbc4-4960-9b48-490166ca34c9},5"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,50,fb,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},6"="eq250up" "{36033203-cbc4-4960-9b48-490166ca34c9},6"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,b0,04,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},7"="eq250dwn" "{36033203-cbc4-4960-9b48-490166ca34c9},7"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,50,fb,ff,ff,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},8"="eq500up" "{36033203-cbc4-4960-9b48-490166ca34c9},8"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,b0,04,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},9"="eq500dwn" "{36033203-cbc4-4960-9b48-490166ca34c9},9"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,50,fb,ff,ff,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},10"="eq1kup" "{36033203-cbc4-4960-9b48-490166ca34c9},10"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,b0,04,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},11"="eq1kdwn" "{36033203-cbc4-4960-9b48-490166ca34c9},11"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,50,fb,ff,ff,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},12"="eq2kup" "{36033203-cbc4-4960-9b48-490166ca34c9},12"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,b0,04,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},13"="eq2kdwn" "{36033203-cbc4-4960-9b48-490166ca34c9},13"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,50,fb,ff,\ ff,00,00,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},14"="eq4kup" "{36033203-cbc4-4960-9b48-490166ca34c9},14"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,b0,04,00,00,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},15"="eq4kdwn" "{36033203-cbc4-4960-9b48-490166ca34c9},15"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,50,fb,ff,ff,00,00,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},16"="eq8kup" "{36033203-cbc4-4960-9b48-490166ca34c9},16"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,b0,04,00,00,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},17"="eq8kdwn" "{36033203-cbc4-4960-9b48-490166ca34c9},17"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,50,fb,ff,ff,00,00,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},18"="eq16kup" "{36033203-cbc4-4960-9b48-490166ca34c9},18"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,b0,04,00,00 "{69203b66-c559-499c-bb5f-f54563cd7d59},19"="eq16kdwn" "{36033203-cbc4-4960-9b48-490166ca34c9},19"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,50,fb,ff,ff
So, in order to backup your user frequency enhancements, simply save (export) this registry key:Code:"{69203b66-c559-499c-bb5f-f54563cd7d59},n"="<user preset name n>" "{36033203-cbc4-4960-9b48-490166ca34c9},n"=hex:41,00,38,fc,01,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00
You can then load (import) this key back into the registry to restore your previous settings.Code:[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render\{80a6e8bb-0c10-4337-97f5-b4478786bd7a}\FxProperties]
Credit to Aphelion. Thanks!
NoteBecause the key involved is in the HKLM branch of the registry, you will need to use an account with administrative privileges (or elevate to administrative privileges) before editing.
Last edited by Dwarf; 26 Apr 2010 at 06:33. Reason: Added note.