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  1. CarlNorman1981

    16 bit PCM bus - Notch filter / Tone detection

    Hi All, First time post so go easy :) We have a HE910 telit module wtih a 16 bit PCM (DVI) audio bus that is normally connected to our SLIC interface. I need to find a "quick and cheap" way to detect 1400Hz 100ms tone 2300Hz 100mS tones on the digital PCM bus. Im not after an actual design...

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