[FFmpeg-cvslog] r14888 - trunk/libavcodec/acelp_filters.h
michael
subversion
Thu Aug 21 23:56:50 CEST 2008
Author: michael
Date: Thu Aug 21 23:56:48 2008
New Revision: 14888
Log:
Mention the fix point scale of the FIR filter coefficients.
Modified:
trunk/libavcodec/acelp_filters.h
Modified: trunk/libavcodec/acelp_filters.h
==============================================================================
--- trunk/libavcodec/acelp_filters.h (original)
+++ trunk/libavcodec/acelp_filters.h Thu Aug 21 23:56:48 2008
@@ -28,7 +28,8 @@
/**
* 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 filter is likely identical to the one used in G.729, though this
* could not be determined from the original comments with certainity.
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