| 摘要 |
PROBLEM TO BE SOLVED: To provide a noise reduction device capable of reducing noise without interfering with the viewing of a viewer.SOLUTION: A noise reduction device includes: a first acquisition part for acquiring output audio information including output audio information outside of the audible frequency region outputted from an external apparatus and the output audio information inside of the audible frequency region; a second acquisition part for acquiring detection audio information including the detection audio information outside of the audible region detected at a position of own device and detection audio information inside of the audible region; a calculation part for calculating a difference between the audio signals on the basis of the output audio information outside of the audible region and the detection audible information outside of the audible region; an extraction part for extracting a noise component on the basis of the output audible information outside of the audible region and the detection audible information inside of the audible region, and the difference between the audible signals; a generation part for generating a noise reduction audio voice on the basis of the noise component; and an output part for outputting the noise reduction voice. |
