Displaying 1 result from an estimated 1 matches for "cab1a642".
2008 Apr 16
2
VAD CPU usage
Hi Jean-Marc
I am using speex in my voip app (wideband mode). I
have noticed that when VAD kicks in, CPU considerably
increases (bitrate decreases to 4 kbps). It takes
about 7 ms to encode one frame versus 0.5 ms (for
speech). This happens regardless preprocessor is used.
Although the issue seems to be driver dependent, it
occurs on XP, Vista and Mac OS X.
Besides complexity and quality, this