| 摘要 |
Two-way communication apparatuses 101 and 103 communicating with each other via a transmission line 102 have an encoding part and a decoding part, and also has at least one of a combination of an interleaver and a de-interleaver and a combination of an error correcting encoding part and an error correcting decoding part. An interleave process unit, an order of an interleave process, an error correcting encoding method, an error generation code generation unit, an encoding rate, a frame rate, and a sampling frequency can be set to be asymmetric by transmitting and receiving. It is possible to achieve communication which accords with conditions of the transmission line 102 and user's demands for a delay and a quality.
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