| 摘要 |
A hearing aid for connecting a cellular phone is provided to hear a sound of a desired level by supplying a sound quality controlled according to private hearing ability. A signal input part(660) receives a microphone signal from a microphone(650), a cellular phone signal from a cellular phone connecting terminal, and an audio signal from a wireless receiving part. A signal processing part(670) amplifies the signals received from the signal input part into a proper level. The signal processing part performs a signal processing which corrects a gain and a dynamic range according to a frequency band. A signal output part(680) outputs a signal processed in the signal processing part to a receiver(690). The receiver converts a signal received from the signal output part into a sound signal. |
