From: whosbest54@NOSPAM.yahoo.com.invalid   
      
   In article , dhr@hotmail.con says...   
   >I got a Yamaha RX-V750 7.1 AV receiver this past weekend. I have it   
   >configured for 5.1 surround sound and use an over-the-air television antenna   
   >for viewing local programming (no cable). The audio signal I receive from   
   >NBC fluctuates significantly, this occurs in programs as well as   
   >commercials. An example would be while watching the local news the volume   
   >will be at a normal listening level throughout the entire news cast but when   
   >the station goes to commercial the sound level drops to a far less audible   
   >level for some of the commercials, not all. When the news resumes the sound   
   >level returns to normal. It is not limited to commercials only. It drops the   
   >sound level for certain programs such as The Tonight Show. When I try to   
   >watch The Tonight Show I turn the volume up to a normal listening level but   
   >the sound has a muffled quality to it.  I do not have this problem with the   
   >other national networks.  Although I have noticed some distinct sound   
   >variations on other networks such as background sound is somewhat   
   >diminished during some programming as well as commercials,  but certainly   
   >not as pronounced as NBC.  I had a Sony 5.1 AV receiver but replaced it with   
   >the Yamaha but I did not have this sound trouble with the Sony.  Am I   
   >missing something in the setup of the receiver? I've followed the setup   
   >guide to balance the speakers using the microphone. I'm using optical cable   
   >to connect the television to the receiver. Has anyone else run into this   
   >problem? Thank you for any help or advice you might have.   
   >   
   How did you have the Sony hooked up to the TV?  The same way with an optical   
   digital cable or did you use the analog out?  If it was the same, then there   
   seems to be something strange going on with the Yamaha.   
      
   It could be a problem with the Dolby Digital audio as broadcast by the   
   station given the other stations don't have as pronounced a problem.  But one   
   would think others would have the same problem and tell the station.   
      
   whosbest54   
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