LifeSize Icon Video System Installation Guide
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LifeSize Digital MicPod cable – The LifeSize Digital MicPod ships with a 4-meter LifeSize Link cable.
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Display cables – The video system ships with a 3-meter HDMI to HDMI cable and a 3-meter HDMI to
DVI-D cable. Both are high speed HDMI cables that support 1080p60.
•
VGA/DVI-A cable – The video system ships with a 3-meter VGA to DVI-A video input cable with green
connectors to connect the codec to PCs, Macs, and other video input devices.
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Use a high speed HDMI cable to support 1080p60 resolutions on the LifeSize camera.
NOTE
Contact your LifeSize Partner or LifeSize Technical Services for assistance in
extending an HDMI cable.
Avoid routing cables through areas that experience heavy foot traffic. If possible, use a cable management
system to encase the cables and make them difficult to move when someone comes into contact with
them. These measures can mitigate the damage that might be caused by people tripping on cables and
straining the connectors on the codec.
LifeSize cables are not plenum rated. Do not route them through a plenum.
Acoustic Echoes
Acoustic echoes are caused when a microphone detects sound from a speaker and sends it back to the far
end. LifeSize audio software attempts to attenuate echoes by using Acoustic Echo Cancellation.
Perform the following steps to further reduce acoustic echoing:
1.
Identify the source of an echo:
-
Identify conference participants who are not hearing the echo. Typically, the party that is not
hearing the echo is also causing it.
-
Mute each of the conference participants, one at a time. Typically, the echo stops when the source
of the echo is muted.
2.
Address the source of the echo:
-
Move the microphone away from any active speakers, moving objects, or acoustically reflective
surfaces.
-
Decrease the volume setting of the active speaker to the minimum required for use in the
conference.
3.
Ensure that the quality of your speakers is sufficient:
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If you are using analog (Line Out) speakers, ensure that the speakers do not provide bass boost or
perform other DSP processing. Also verify that the speakers do not distort the speech when the far
end is speaking.
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If you are using HD speakers, ensure the HD monitor does not use Dolby, SRS, Surround Sound,
or perform any other audio processing. Avoid using HD monitor speakers, as they can cause
speaker distortion and echoes.
