I don't recall seeing any TVs with an IR-in port, which would allow a PC to control the TV using a special cable with a connection resembling an audio jack on each end. I have seen Sony smart TVs which allow using an IR blaster attached to the TV's IR port or USB-port, but these are one-way (out) and allows the TV some control over a single device, like a cable box or audio receiver, with the TV's remote or keypad. Scott Not sure what that is and how to accomplish it Some of the technology mentioned in this 2010 article is outdated (firewire ports on TVs are long gone, and I don't think that RS232 ports are common anymore) but it explains some of what Scott is writing about. More likely, IP or USB will become common control avenues for TVs. This is true with both systems that are controlled by the core PC and those that are controlled by an AV controlling system (Crestron, Extron, AMX, etc). In those cases where a PC needs to turn a TV on, the professional method has historically been to use a 9pin serial RS232 signal, or possibly an IR emulator+transmitter.
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