Magnum Semiconductor Inc. is a video compression technology company. The headquarters of the company is in Milpitas, California. The company has an engineering branch at Waterloo, Ontario, Canada. Magnum Semiconductor was formed in 2003 as a spinout of the Cirrus Logic Video Division which developed MPEG video recording and enabled consumer DVD recorders. Investors included August Capital, and Investcorp Technology Partners. In May 2007, a second round of $27 million in funding was announced, led by Investor Growth Capital, with new investors WK Technology Fund, KTB Ventures, and Gold Hill Capital. Magnum acquired the consumer products division of LSI Corporation in June 2007, including Domino and Zevio video compression technology. The LSI division had started with the acquisition of C-Cube Microsystems, the first company to offer real time MPEG1 and MPEG2 compression. The companys products target both professional and consumer markets.