QuickTime 7.5.5

Ultra efficient new codec delivering stunning quality at remarkably low data rates from 3G to iChat AV to HD. Mutlchannel audio play back. Experience full, surround sound audio play back with QuickTime player. Live resize. With QuickTime you get clear, fluid playback even as you change the size of your player window. New playback capabilities. Adjust plyabck settings as you would on a DVD player or VCR with the new jog shuttle and playback speed control panel. Zero config streaming. QuickTime delivers an effortless streaming experience by automatically determining your connection speed to ensure you get the highest-quality content stream possible. If you lose your connection to a stream, QuickTime even reconnects for you.

Version 7.5.5 includes changes that increase reliability, improve application compatibility, and enhance security.