Seppo Ingalsuo

> @singalsu how do we use the matlab/octave version and compare against the C/HiFi implementation using testbench ? Once the fixed fractional Q-formats are established I will add test vectors...

> > Once the fixed fractional Q-formats are established I will add test vectors output to Matlab code. Then in testbench output the same intermediate data via traces likely and...

The just pushed draft contains start of src/audio/mfcc component. It can be run in testbench with the test topology. It segments input data in component copy() for STFT with three...

> Whats the plan for making this work for topology2 ? That would go to early Q3. Also I might be able to convert this to module adapter before vacation.

I just pushed a version with lot of component C code added. It computes in testbench correct looking Mel spectrograms. This version is missing DCT for cepstral coefficients calculation. I...

> I'm afraid you just triggered my copy/paste/diverge detector... can you add a couple variables and reduce duplication between `test_mfcc_kaldi.py` and `test_mfcc_librosa.py`? Yes, they could be merged. The final form...

@marc-hb I've now split this work into two (or more) PRs. This remains the concept and reference code. I wonder if this location /tools/concepts/ is good. Since parts of this...

Thanks for tips and thoughts @marc-hb !

> here are the detailed test results, DF1 and DF2T have almost the same performance:  and the cycles cost for C version are almost the same, but DF1 can...

There's work in progress PR in #5603. It depends on #5306 also.