[google/carfac] abc379: Scale each frame before plotting.

[GitHub]

Branch: refs/heads/master
Home: https://github.com/google/carfac
Commit: abc379075e8819f50efdc817fbff508dd0b14248
https://github.com/google/carfac/commit/abc379075e8819f50efdc817fbff508dd0b14248
Author: Ron Weiss <ro...@google.com>
Date: 2014-01-13 (Mon, 13 Jan 2014)

Changed paths:
M cpp/emscripten_bindings.cc

Log Message:
-----------
Scale each frame before plotting.


Commit: d3620fbc168033e92cad2794eb5db6257d2cea95
https://github.com/google/carfac/commit/d3620fbc168033e92cad2794eb5db6257d2cea95
Author: Ron Weiss <ro...@google.com>
Date: 2014-01-13 (Mon, 13 Jan 2014)

Changed paths:
M cpp/carfac.html

Log Message:
-----------
Downsample the audio stream to 22050 Hz before passing it to CARFAC.

Uses a single stage lowpass BiquadFilterNode as an antialiasing filter, and manually decimates the signal by a factor of two.

The webaudio SAI now runs in real time on my desktop.


Compare: https://github.com/google/carfac/compare/9f8f9f7b673d...d3620fbc1680