| 摘要 |
PROBLEM TO BE SOLVED: To improve accuracy of determination of noise included in an audio signal.SOLUTION: An audio processing section 57 of a digital television broadcasting receiving device 1 includes: first to r-th noise-or-non-noise discriminant holing section 221_1 to 221_r, which hold a discriminant for discriminating whether, it is noise of a corresponding classification, for each classification of noise which may be included in the audio signal; a noise level discriminating section 205 for discriminating whether, noise is included in the audio signal by using a plurality of discriminants held for each classification of noise. |
