Core Audio: a quick example using Extended Audio File Services
01/01/2017
This post is more a reminder to myself: every now and then I keep running into Core Audio – and need to start all over again, cause I can hardly remember anything from the last encounter… Yes Core Audio is quite convoluted as it goes very deep, but it opens a lot of possibilities.
using vDSP_deq22 correctly
04/04/2015
On a mac the Accelerate framework delivers a lot of very useful DSP functions. Most of them are pretty straight forward to use, some are a little complicated. One of those is vDSP_deq22 / vDSP_deq22D which implements a vectorized 2 pole 2 zero filter (biquad).