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<p class="MsoNormal">Complains about missing Int16 functionality.<br>
<br>
So for 64bit on Arm you have to compile without –enable-neon and that has a huge effect on the AEC functionality.<br>
The Pi3 with neon is just struggling with the AEC routines as its audibly better on a Pi4 but its not the garble that a Pi0 produces.<br>
Without the neon on the Pi3 the 1.2 – 1.85 perf boost of neon with FFT is lost and it really effects AEC effectiveness.<br>
There are quite a number of low cost ArmSocs now all approx. Pi3 level and above that really benefit from neon support with FFT.<br>
<br>
Arm have specific Libs for this<br>
<a href="https://projectne10.github.io/Ne10/doc/modules.html">https://projectne10.github.io/Ne10/doc/modules.html</a><br>
<br>
But since Version 3.3.1 FFTW <a href="http://www.fftw.org/">http://www.fftw.org/</a> is supported Neon.<br>
<br>
Probably the biggest applicable use of speexdsp is going to be excluded when many opt for 64bit.<br>
<br>
Stuart</p>
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