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given
2009 Mar 04
1
echo cancellation input/output delay
...lizing it once with a call to :
SpeexEchoState* speex_echo_state_init(int frame_size, int
filter_length)
and calling speex_echo_cancellation(m_echoState, rec, play,
out) to remove the far-end echo from the input signal.
So here is my question:
if the first sample in the rec buffer refers to a guiven
time 't' the first sample in the play buffer is supposed to
refer to a guiven time 't - delta' ???
or in other words:
speex_echo_cancellation(m_echoState, rec(t), play(t-delta),
out) is correct ?
If so... how many millisencons this 'delta' is supposed to
be ?
Thanks in a...