When two Sites connect to each other by using room220 on both sites face echo issue. One of the site hears its own voice locally. However, both sites works fine when they connect to any other site rather than to connect to each other.
echo cancellation is enabled on both sits. Please tell me cause of the issue?
Hi Khan
Joe is correct, it is likely that there is an issue with one side on that call or even both sides. To add to his comment… First, note that the side hearing the echo is NOT the side causing it. Need to check the settings/configuration of the video conferencing system not hearing the echo. If both are hearing an echo, you will need to check both ends. For the call audio output are you using a Lifesize Phone, line out speaker or the HDMI display speakers? What are you using for audio input?
If using a Lifesize Phone or MicPod for audio in and HDMI for audio out, You may need to make changes to settings on the monitor. If your HDMI Monitor has a “Game Mode”, then enable Game Mode. This will turn off special features and dedicate more resources to the processing or the audio coming from the 220. If there is too much delay in audio processing by the TV, the more likely the 220’s Echo Cancelation will not filter out the sounds of the far end. If it cannot filter this out, you will hear an echo on the other end.
If there is no game mode on the TV, look for and disable the following types of items: Digital surround sound; Simulated surround sound; Motion Smoothing (may be called "TruMotion," "CineMotion," or "Smooth Motion Plus"); Cinema or Film mode; Digital noise reduction; Motion enhancement; Any other processing or enhancement tool on the monitor. Note, some monitors do not have the processing power to decode audio in real time and may always give an echo. If using a Lifesize Phone, you may try setting the phone for both the Video and Voice call audio output as well as the Active Microphone.
Also, if a Lifesize Phone or Lifesize MicPod is used, you may need to adjust its location. If the phone is physically too close to the display speakers sound will go out the speakers and right back into the microphones causing an echo. Also the direction that the speakers on an HDMI monitor may also help cause echo. In room condtions and construction may make a room more likely to cause echo, as is the number of call participants.
If using line in and line out for your sound in and out would suggest you are using third party speakers. If so, you may have a 220 that is using an Audio Mixer, and frequently these mixers will also have echo cancelation. If so, you may need to disable echo cancelation on the 220 system.
If these tips do not help and the 220 is still under AMS or DSS agreement, please create a ticket with Lifesize Support.
Regards,
Eric
on Sep 7, 2017
Hi Khan,
I am not sure if this issue is still present, however, it is likely that at least 1 of these sites does have an audio issue of some kind. I would recommend calling into support for real-time troubleshooting.
Joe P.