About dgcason

Dave Cason (@dgcason)

staff engineer at Shure doing audio and modem related DSP principle staff Motorola doing audio and modem related DSP project Engineer 3Com/US Robotics doing audio and modem related DSP. Patents in array design, telephony and modem signal processing

Re: The size of an FIR filter for PDM-PCM conversion

Reply posted 3 years ago (07/17/2020)
I have always used a CIC (cascaded Integrator comb) filter for this. It's also called a Haugenauer filter (my spelling might be off). You can Google it. Follow that...

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