Quicktime 7 除播放MPEG-4 和MP3 以外內容, 還支持 timecode 軌道和MIDI 標準,譬如Roland 和GS 格式.它并且支持關鍵標準為網流出,包括HTTP, RTP 和RTSP.

它支持的圖像格式包括JPEG, BMP, PICT, PNG 以及 GIF. Quicktime 7 特色:超高效率新H.264 錄影,codec 的震驚質量,卓越的低數據速率從3G 到iChat 到HD.

Apple just released the new QuickTime 7.6, which includes updates for encoding quality, reliability, compatibility, and security enhancements.

Video improvements include better single-pass H.264 encoding quality and better playback of Motion JPEG content.

For audio, Apple reports that encoding fidelity has been improved for MPEG 4 AAC (Advanced Audio Codec, the successor to MP3) playback, the default option for ripping in iTunes. Release notes also state that audio tracks from MPEG video files now export consistently.

The new update also includes compatibility improvements for iChat and Photo Booth.

A series of security fixes are also part of the update, which benefits both Mac OS X and Windows users. Many of the security patches address issues with handling maliciously crafted media files, based on security vulnerabilities discovered by third party researchers.

QuickTime 7.6 is available as a 72MB download for Mac OS X 10.5 or higher, a 63MB download for Mac OS X 10.4.10 or higher, and a 20MB download for Windows XP Service Pack 2 or Vista.

Alternatively, you can download and install the update via Mac OS X's Software Update mechanism accessible via the Apple menu.

下載地址：QuickTime 7.60.92 for Windows XP/ Vista

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