Sting
Guest
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 Posted:
Thu Nov 27, 2003 1:01 pm Post subject:
Echo Cancellation |
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Hello ,
We are 2 students writing a VideoConference application on
linux;
We want to use microphones for recording and loudspeakers for hearing.
Now , test we made so far show that there is acoustic echo
even if there is a reasonable distance between micropone
and loudspeakers.
Is there open source for Acoustic Echo Cancellation
anywhere ?
I mean not a chip-level (assembler?) application , but a high level
applciation with takes the raw audio packets as
input and by some tranformation takes out the echo rom it.
We saw the FIR algorithm (and implementation)
but it is too CPU intetnsive.
Any help will be appreciated.
regards,
qwe john |
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