TPA3118D2: How to reduce the volume of audio high frequency ?

Went Cao

Genius 5550 points

Part Number: TPA3118D2

Dear All

How to reduce the volume of audio high frequency ,and keep the audio low frequency at the same time ?

Thanks a lot.

0 Adam Sidelsky over 7 years ago

Went,

You will need a low pass filter, what is your input configuration?

Do you have a DSP or audio processor?

Regards,

-Adam

0 Went Cao over 7 years ago in reply to Adam Sidelsky

Genius 5550 points

Dear Adam

I don't have DSP or audio processor for filter, could you show me other pass filter ?

0 Adam Sidelsky over 7 years ago in reply to Went Cao

Went,

You could use a filter in line with the input signal, similar to the following, this is configured to attenuate frequencies above ~5kHz:

Regards,

-Adam

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