SOURCE: echo
Try the following: Go to the Control Panel (in classic mode). Open Sound devices. Change tab to Voice / Microphone. Press Test Software. Wait a couple of seconds. A small guide begins now. The problem is that the Microphone volume is set to high. Try to adjust these settings and see where it gets you. Usually does it for me. Also, try to not have the mic near the speakers. (I translated the steps from my swedish version of XP, look for similiarities.)
SOURCE: Webcam Speakers Echo and Double Feedback
"Noise", as used in this document, is a general term referring to
any sound a speaker system makes that is not part of the original
source material. There are many different types and sources of noise,
each with its own solution. Below is an explanation of the common types
of noise, what causes them, and how to minimize their occurrence.
Hum or Buzz
There are four common causes of humming and buzzing:
Pops and Clicks
Z-540 / Z-560 (2 channel sound card): Depress the M3D button.
Z-640 (4 channel sound card): Depress the Matrix button.
Z-680 (2 or 4 channel sound card): Disconnect the unused input cables from the control pod
There are three main causes of pops and clicks:
Stutter
A stuttering sound track is an indication of either insufficient or
conflicting computer resources. Check to make sure that your computer
has sufficient processor power and memory to handle the applications
you are running, especially if you are using a software DVD player.
Defragmenting your hard drive may also help. If you are sure you have
sufficient resources, check to make sure that you don't have any
conflicting IRQ or DMA channels.
We have also seen some software DVD player/sound card combinations
that cannot properly output a Dolby Digital or DTS signal through the
sound card's S/PDIF digital connector. (S/PDIF is a generic term for
either coax or optical digital connections.) The result, when using a
Z-680 hooked up to a S/PDIF connector, is a stuttering soundtrack. As
mentioned, this stuttering is caused by the computer, not the Z-680
speakers. Switching the software DVD player's sound output to the 5.1
analog outputs will generally solve this problem.
Hiss
All high-powered amplification devices - everything from multimedia
systems to home theater systems to movie theater sound systems --
generate some level of background noise, or hiss. In addition, low
quality sound cards with poor signal-to-noise ratios can generate a
significant amount of steady hiss that is reproduced on the speakers.
Under normal conditions at a normal listening distance, the hiss coming
from the sound system should not be noticeable. In a very quiet room,
or if you place your ear very close to the speaker, you may hear a very
low level hiss. This is normal, but should be completely masked by
normal music and game sounds.
If you find that hiss is noticeable, it is likely that the speakers
are too close to your listening position. If the speakers are too
close, you will not obtain the best imaging of the sound and you risk
damage to your hearing when the system is playing at full power levels.
Try moving the speakers further away from your normal listening
position. We recommend at least 18" for the moderately-powered systems
(such as Z-340, Z-540, and Z-640) and at least 30" for higher-powered
systems (such as the Z-560 and Z-680).
Also, note that the satellites in most Logitech speaker products are
designed to be wall-mounted. Wall mounting the speakers provides two
benefits: 1) it moves the of the satellites further away from your
listening position, making any hiss less noticeable and 2) it moves all
of the satellites further away from each other, providing better
channel separation and surround sound spatialization.
SOURCE: echo occurs on voice chat
Dear madam,
It seems to be problem with web cam mic, turn off your speaker, if your speaker is loud it also creates a echo effect so better choice is use headphones having mic for chatting or conversion purpose, now you can hear voice clearely and your voice also clear to the listener.So solution is better to use head phones it may cost about Rs 250.00. I think it definitely solves your problem.if you have any problem regarding this issue leave a feed back,we will glad to assist you.
good luck
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