General Discussion / Echo issues...
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1/29/2010 1:13:37 PM Reply with Quote

The microphones found in webcams are typically of poor quality, and their use with external speakers is sometimes usable, but certainly not recommended. Our echo canceler is capable of suppressing echo in this configuration, but its ability to do so effectively depends on the quality of the audio signal. If the playback or recording devices introduce distortion or poor quality audio it will be much more difficult to clean up the audio signal.

Headsets are the best solution for video conferencing as the physical implementation greatly reduces the chance of an echo loop. For most headset configurations we recommend disabling the echo and noise cancelling altogether.

Regarding the Phoenix audio devices, some of these (as part of their own built in echo canceler) will suppress or turn off the microphone in situations where playback volume is too high or it detects that it may have problems cancelling the echo in the current environment. I would recommend downloading the Phoenix Audio Setup Utility and Audio Testing Wizard to see if this feature can be disabled. The Audio testing Wizard also allows you to create a sample recording and submit it to the Phoenix Audio support staff for evaluation.

You may find these utilities available for download here: http://phnxaudio.com/Support/tabid/69/Default.aspx

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