Video works, audio doesn't

Hi!
I have a problem with iChat. After make connection with buddy he can't hear me. I hear him I see him and he see me.
Volume level indicator in iChat shows 0. When I disconnect and I open iChat preferences, then volume level indicator "see" my microphone.
Any ideas?
Thanks!

As well as Defcom's last suggestion doe the iChat > Preferences > Video section Microphone drop down match the choice made in System Preferences > Sound > Input tab ?
These steps will eliminate the problem being at your end.
<hr>
Buddies End
He should check the iChat > Preferences > Video/audio section and see if he has a Drop down for Out put choices.
Any choice that does show up should match and choice selected in System Preferences > Sound Output tab.
He should also during a chat open the Connection Doctor (iChat's Video menu) and see if he see a % reading and green bar for your Audio. If he is getting a green bar then his iChat hears you and it is about output at his end.
9:52 PM Monday; March 9, 2009

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Hello, I'm new to using forums like this. Is it appropriate for me to post that I'm having the same issue? Also sounds similar to Audio doesn't match video because repeated half way through as well.
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My Premier Elements Project settings are:
Editing Mode: DSLR
Timebase: 23.976frames/sec
Video:
Framesize: 1920 x 1080
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)
Display Format: 24fps Timecode
Audio:
Sampe Rate: 48000 Hz
Output from MediaInfo
General
Complete name                            : Z:\NikonVideo\MomsStory\JDB_20140702_6537.MOV
Format                                   : MPEG-4
Format profile                           : QuickTime
Codec ID                                 : qt
File size                                : 1.46 GiB
Duration                                 : 10mn 32s
Overall bit rate                         : 19.8 Mbps
Encoded date                             : UTC 2014-07-02 18:22:46
Tagged date                              : UTC 2014-07-15 03:24:05
NCDT                                     : NCTG
Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : [email protected]
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 2 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 10mn 32s
Bit rate                                 : 18.3 Mbps
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 23.976 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.368
Stream size                              : 1.35 GiB (92%)
Language                                 : English
Encoded date                             : UTC 2014-07-02 18:22:46
Tagged date                              : UTC 2014-07-02 18:22:46
Transfer characteristics                 : BT.470 System M
Matrix coefficients                      : BT.601
Audio
ID                                       : 2
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, Sign                    : Signed
Codec ID                                 : sowt
Duration                                 : 10mn 32s
Bit rate mode                            : Constant
Bit rate                                 : 1 536 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Stream size                              : 116 MiB (8%)
Language                                 : English
Encoded date                             : UTC 2014-07-02 18:22:46
Tagged date                              : UTC 2014-07-02 18:22:46

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Audio doesn't match the video ... why

Last night I tried to sort some of the clutter from my desk by downloading some recorded video on VHS tapes. The images worked fine with no dropped frames at all, however, the audio doesn't match the video.
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