CNET

QuickTime 7.1 (#3): Fix for lack of sound after update; More on problems playing embedded Web media

Fix for lack of sound after update We previously reported (earlier today) on an issue where sound does not play back in various video and audio files after updating to QuickTime 7.1. As described by ...
CNET

QuickTime 7.1 Special Report: No sound output -- fixes

Several readers report an issue where they are no longer able to playback audio in MP3s or movies in the QuickTime Player applications after applying the 7.1 update. One reader writes: "I cannot play ...