| 摘要 |
A cable broadcast receiver, an in-band channel interface method, and a broadcast signal processing method are disclosed. The method for interfacing an in-band channel includes: requesting a tuning of an in-band channel; receiving data of the in-band channel tuned/demodulated by the request, and specific information indicating the presence or absence of validity of the in-band channel data; and performing a decoding process, if the demodulated data is valid by referring to the specific information indicating the validity.
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