TV startup Sezmi this week will kick off a customer pilot in Los Angeles, delivering live feeds of 23 cable networks, 50 local TV channels, video-on-demand and Web video through its DVR set-tops using a combination of wireless broadcast spectrum and Internet delivery.

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The cable networks participating in Sezmi’s L.A. launch are: TBS, TNT, USA Network, Bravo, CNN, Headline News, Discovery Channel, Comedy Central, Planet Green, MSNBC, VH1, Cartoon Network, Oxygen, CNBC, MTV, Nickelodeon, TLC, Science Channel, Syfy, Animal Planet, truTV, Boomerang and TCM.

In addition to the L.A. pilot launch, the company is announcing that it has raised $25 million more funding, bringing its total raised to about $75.5 million. Investors in the latest round of financing include previous investors Morgenthaler Ventures, Omni Capital, TD Fund, Index Ventures and Legend Ventures, plus a new “strategic” investor, which Sezmi did not identify.