Description of Business	12 Months Ended
Dec. 31, 2012
Description of Business	NOTE 1: DESCRIPTION OF BUSINESS Harmonic Inc. (“Harmonic” or the “Company”) designs, manufactures and sells versatile and high performance video infrastructure products and system solutions that enable its customers to efficiently create, prepare and deliver broadcast and on-demand video services to televisions, personal computers, tablets and mobile devices. Historically, the majority of the Company’s sales have been derived from sales of video processing solutions and network edge and access systems to cable television operators and from sales of video processing solutions to direct-to-home satellite operators. More recently, the Company is providing its video processing solutions to telecommunications companies, or telcos, broadcasters and other media companies that create video programming or offer video services. In September 2010, Harmonic acquired Omneon, Inc. (“Omneon”), a private, venture-backed company specializing in file-based infrastructure for the production, preparation and playout of video content typically deployed by broadcasters, satellite operators, content owners and other media companies. The acquisition of Omneon is complementary to Harmonic’s core business, expanding Harmonic’s customer reach into content providers and extending its product lines into video servers and video-optimized storage for content production and playout.

Description of Business

12 Months Ended

Dec. 31, 2012

NOTE 1: DESCRIPTION OF BUSINESS

Harmonic Inc. (“Harmonic” or the “Company”) designs, manufactures and sells versatile and high performance video infrastructure products and system solutions that enable its customers to efficiently create, prepare and deliver broadcast and on-demand video services to televisions, personal computers, tablets and mobile devices. Historically, the majority of the Company’s sales have been derived from sales of video processing solutions and network edge and access systems to cable television operators and from sales of video processing solutions to direct-to-home satellite operators. More recently, the Company is providing its video processing solutions to telecommunications companies, or telcos, broadcasters and other media companies that create video programming or offer video services. In September 2010, Harmonic acquired Omneon, Inc. (“Omneon”), a private, venture-backed company specializing in file-based infrastructure for the production, preparation and playout of video content typically deployed by broadcasters, satellite operators, content owners and other media companies. The acquisition of Omneon is complementary to Harmonic’s core business, expanding Harmonic’s customer reach into content providers and extending its product lines into video servers and video-optimized storage for content production and playout.