STATE COLLEGE, Pa. -- C-COR.net Corp. (Nasdaq:CCBL - News), a global provider of broadband communications products, software systems, and high-end technical services, and Leitch Technology Corporation (Nasdaq:LVID - News; TSX:LTV - News), a global leader in the design, development, and distribution of high-performance audio and video infrastructure to the professional video industry, will continue their teaming effort, initiated at the 2003 VidtranS Show, to present a fully integrated and NEBS (Network Equipment Building Systems) compliant solution for switched video architectures at the April 7-10, 2003 NAB (National Association of Broadcasters) Show in Las Vegas, Nevada.C-COR will demonstrate its Switch Interface Encoder (DV6311DTM) and Decoder (DV6312DRM) modules in the Company's NAB Booth #C4308. These modules represent a collaborative effort between C-COR and Leitch to provide cross-vendor interoperability for switched video architectures. They enable users of C-COR's DV6000(TM) family of digital video products to directly interface a single channel from any DV6000 system with the Leitch Integrator® Series Digital Switches, thereby reducing system complexity, improving end-to-end performance, and enabling significant equipment savings for operators of switched audio and video networks. C-COR's DV6000 product line is used by telecommunications providers worldwide to transport a variety of video, audio, and data signals over wide and/or metropolitan area optical networks.In a separate release:C-COR.net Corp. (Nasdaq:CCBL - News), a global provider of broadband communications products, software systems, and high-end technical services, will team with Evertz Microsystems Ltd., a worldwide broadcast equipment manufacturer, at the April 7-10, 2003 NAB (National Association of Broadcasters) Show in Las Vegas, Nevada, to present the latest advances in HDTV (high definition TV) video transport. With the growing usage of HDTV and the ensuing need by broadcasters, post-production houses, outdoor event providers, and large corporations to transport high-end, studio quality signals between facilities and in the metro space, C-COR and Evertz have partnered to offer attractive solutions for transporting HDTV signals no matter what the bit rate or format. HDTV Transport SolutionsVisitors to C-COR's booth (#C4308) will see the enhanced capabilities of the Company's DV6000(TM) digital transport product line in offering an end-to-end integrated transport and switching solution for both standard and high definition TV--a solution that maintains high quality signals while minimizing space requirements and cost. C-COR will have on display several products that together support the transport of HDTV from fully compressed SMPTE 310 signals to uncompressed 1.5 Gb/s HDTV. These products include:C-COR's new DV6101MASI and DV6102MASI modules that interface multiple DVB-ASI signals as well as a SMPTE 310 signal to the DV6000 for transport. The Evertz 7707EO-HD and 7707OE-HD modules that optically transport HDTV signals from 19.4 Mb/s to 1.5 Gb/s. The Evertz 7770CS-HD HDTV Compression CODEC and 7770DS-HD HDTV Decompression CODEC that use HDCAM compression, an industry standard, high quality production format, and interface with the DV6000 platform to transport contribution quality HDTV signals.C-COR.netLeitch Technology International Inc.