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Subject: Re: DSP: low pass filter

Re: DSP: low pass filter

From: BlueChip <>
Date: Sat, 13 Aug 2005 23:25:04 +0100

Check out "fast fourier transforms" (FFT) available for most DSPs and most

>Hi All,
>I need a simple (doesn't have to be really accurate) filter to cut all
>high frequencies (say > 120 hz) from a stream of samples. This way I want
>the peakmeter to react only on the bass tones.
>I already have dynamic backlight dimming linked to the peakmeter value,
>but it flashes at high tones too now...
>Can anybody help me out?

Received on 2005-08-14

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