QDesign
（重定向自QDX）
QDesign Corporation was a developer of digital audio compression technologies. The company's MP2 and MP3 technologies were used in professional audio and broadcast automation systems as well as multimedia and video production systems. QDesign developed a music codec, originally known as LBpack. QDesign licensed the initial version of the codec and hired the initial developer to create what would become the official audio compression in Apple Computer's QuickTime v3.