There Wasn't Any Sound Recorded On Tapes Made On My Vcr Or Tape Deck; The Initial Sound Is Intermittent Or Non-Existent When I Start; To Play From A Dolby Digital Or Dvd Source; With A Dolby Digital Program, The Loud Sounds Aren't Very Loud And The Quiet Sounds Aren't Very Quiet - Kenwood KRF-X9992D User Manual