Nice :)
I encountered a few days ago that the mixing code reduces quality.
Is this eliminated with the higher precision now?


Using fixed floats there is still a loss of quality.
To be more precise:
  - S16 multiplication discards 5 bits if "accuracy" is not enabled in
    configuration (./configure --enable-accuracy=yes)
  - S24 always lose at least 2 bits
  - S32 always lose at least 10 bits

I assume that dok's original code is still faster than your fixed point solution? If that's true, it might be wise to include dok's code as well. (For slow embedded devices)



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