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Windows 7: RealTek hd audio manager subwoofer problem

04 Apr 2015   #11
society misfit

Windows 7 Professional
 
 

Jelled Fro,
You have determined the driver recognizes there is a Subwoofer channel with the test tone and everything is working as it should. The reason why this is not working for stereo music is because there is no information within that music file to tell the driver to send the low frequency information to the subwoofer channel. Stereo is only Left and Right channels. 2.1 is Left, Right and Low Frequency (otherwise knows a LFE). In order to have information sent to your subwoofer from a 2 channel stereo file, something needs to extract those lower frequencies and send it to the dedicated subwoofer channel. If the driver does not provide an option for this then you will need to look at a media player that provides this feature. Both JRiver and Foobar2000 media players have DSP modes that can be configured to take a 2 channel file, extract the lower frequencies and send it to the dedicated subwoofer channel. Perhaps you could share what media player you are using for music playback.

The single green connection that firebird is describing is not a true 2.1 configuration. It is a Stereo configuration where the full left and right frequency band is sent to the device via a single connection with crossovers built into the amplifiers that will separate the mids and highs from the low frequencies. Essentially it is 3 limited range speakers acting as 2 full range speakers (in simple terms). A true 2.1 relies on that .1 low frequency channel to be mixed separately from the left and right channels during mastering. TBH, there is not a lot of recorded material out there that caters to a true 2.1 configuration (5.1 and 7.1 is a different story). People rely on the DSPís within their receivers to separate that .1 LFE channel from the left and right channels.


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 RealTek hd audio manager subwoofer problem




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