I'm recording messages to be used on a VoIP system. Due to software contraints of the phone system, the finished files must conform to CCITT u-Law, 8.000 kHz, 7kb/sec. Bad for the stereo but good for a phone. The files play back fine within the quality constraints and the voice sounds ok over a phone, but silence is not silent. It sounds like static, white noise. I'm including a link. These are perfectly silent as a regular 16bit, 44.1kHz file. The 1.5 secs at the front of the recording are the problem. This lead time was necessary due to the playback function of the phone server. http://www.wentwoodstudios.com/clients/cfe/AfterHours7bitFrontSpace.wav What can I do to make the silence really be silence at this quality? I'm using Pro Tools LE 7.3, bouncing to 16bit, 44.1 and using Microsoft's, Sound Recorder in XP to convert to the finished format. Any help would be appreciated.