Digital Video Expert in DVR Technology

Case Description:

A digital video expert was needed for a patent infringement case involving the computer based operation of a digital video recording and playback system. The digital video recorders, commonly referred to as DVR's, process digital television signals via a communications multiplexer to provide simultaneous playback and recording.

IMS ExpertServices was asked to locate a digital video expert with a thorough understanding of the digital video and signal processing technologies involved in DVR. The expert needed to have extensive experience with audio video systems and applications for television and consumer electronics.

Experts Presented:

  • Digital Video

    This digital video expert is recognized in the areas of audio, image and video algorithms, signal processing and coding. He reads and writes in ten programming languages. He is a member of the IEEE Signal Processing and Communications Electronics Technical Committee and became an IEEE Fellow a few years ago. This expert received both his bachelors and masters degrees in electrical engineering and computer science from MIT, and both an M.A. in mathematics and a Ph.D. in electrical and computer engineering at the University of California, Santa Barbara. He has previous expert witness experience including cases involving cable television and imaging technology for cell phones. IMS Reference #5010382

  • Software Development

    This expert in software development was a pioneer in the technology of digital video recorders. He was a system software architect for one of the first personal video recorders (PVR) and implemented the entire A/V subsystem, which included the MPEG Encoder driver, MPEG Decoder driver, streaming software, A/V multiplexing, A/V synchronization, video selection library, and tuner device driver. He is currently technical lead and manager of a team of engineers developing software that connects televisions to receive, manage, and present digital content delivered over the internet. He is a contributor for patents for video data recording of personalized television content. IMS Reference #5010175

  • Network Technology

    This network technology expert has a long history developing digital video recording technology, bringing it to the forefront of the consumer electronics industry and has been involved with both ReplayTV and TiVo. He is currently working with a leading developer of entertainment networking software that enables manufacturers to create cutting-edge digital video and television products. The company’s technologies are developed for products like televisions, cable television set-top boxes, NAS devices, mobile phones, and digital cameras so that consumer electronics can access and process a wider range of digital content. IMS Reference #5010129

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Industry: All, Electronics