| 摘要 |
A narrowband video codec for generating an output stream of control, data, and error correction bits includes means for framing the outputs control and data bits into a series of sequential frames of bytes for transmission over an RF link of a controlled frequency. Each frame includes an identical sequence of bytes. Each frame of bytes includes, in sequence, two control bytes, a plurality of sequential sets of data bytes, and a plurality of error correction bytes. Each set of data bytes includes a sequence of at least one audio byte and a plurality of video bytes. At least one video byte is between each sequential audio byte. Each set of data bytes has its audio and video bytes in the same order as each other set of data bytes.
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