Decoding the telephone-generated DTMF is the purpose of building the DTMF decoder 2 which can be connected directly to a serial port and use a HyperTerminal on a PC to view the digits. A 16×2 LCD ...
A new family of interactive TV video decoder chips are designed to accelerate the transition from standard broadcasting to two-way interactive 2-D and 3-D programming. Four devices, the BCM7020, ...
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