i think for wi-fi beamforming and not audio beamforming, that is the case. i mean we're not talking about the soundlazer right?
https://www.soundlazer.com/ On Sat, Feb 6, 2021 at 10:36 PM robert bristow-johnson < [email protected]> wrote: > > > > On 02/06/2021 10:15 PM Zhiguang Zhang <[email protected]> wrote: > > > > > > for what it's worth i was working on something similar at a previous > position, and what we used was a older-gen Presonus board with 16 or 24 XLR > inputs, and just using Portaudio, a simple beamforming algorithm with a mic > array sounded excellent. not sure exactly what application would require > sub-sample precision, but barring anything inherent in the hardware itself, > you're essentially comparing acoustical air propagation against realtime > DSP - which might actually be your bottleneck because a lot of realtime > acoustics algorithms require the FFT > > > > > > Most certainly, beamforming requires subsample-precision delay unless the > sample rate is something more than 10 MHz. > > > -- > > r b-j [email protected] > > "Imagination is more important than knowledge." >
