Commit f2e31c37 authored by michael's avatar michael

Mention the fix point scale of the FIR filter coefficients.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14888 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
parent 1d6bdc41
...@@ -28,7 +28,8 @@ ...@@ -28,7 +28,8 @@
/** /**
* low-pass Finite Impulse Response filter coefficients. * low-pass Finite Impulse Response filter coefficients.
* *
* Hamming windowed sinc filter with cutoff freq 3/40 of the sampling freq. * Hamming windowed sinc filter with cutoff freq 3/40 of the sampling freq,
* the coefficients are scaled by 2^15.
* This array only contains the right half of the filter. * This array only contains the right half of the filter.
* This filter is likely identical to the one used in G.729, though this * This filter is likely identical to the one used in G.729, though this
* could not be determined from the original comments with certainity. * could not be determined from the original comments with certainity.
......
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