search for: playback_delay

Displaying 3 results from an estimated 3 matches for "playback_delay".

2008 Aug 11
2
AEC stops working in 1.2-rc1?
...00 samples). *And*, in addition to that, I delay the frames that's fed to speex_echo_cancellation() by 100ms, to reflect the playback/recording delay when the mic.pcm file was recorded. This means, if I play the frame now, I will give it to speec_echo_cancellation() 100ms later (similar to your PLAYBACK_DELAY in mdf.c). So this is equal to shifting the blue signal in your graph to the right by 100ms. It's easier to understand with testecho perhaps. I did the following changes to testecho.c: - changed the frame size and tail length: #define NN 80 #define TAIL 1600 - apply the delay before...
2010 May 26
1
Reseting Echo State
Hello guys, I want to make echo tail parameter in my app changeable during run-time. So my question is:f Should I use speex_echo_state_reset function for this? Just call speex_echo_state_init function with new values after that? Or perform a full de-initialization and initialize echo cancellation with new tail value? I'm also using preprocessor - does the same apply to it?
2008 Aug 09
2
AEC stops working in 1.2-rc1?
On Sat, Aug 9, 2008 at 12:59 PM, Jean-Marc Valin < jean-marc.valin at usherbrooke.ca> wrote: > Hi Benny, > > Can you send me your pair of testecho input files that work well with > beta3 and not with rc1? I'll have a look. > > Thanks for the help. The files are on their way now, the upload will take few more minutes to complete. In the mean time let me explain more