| 摘要 |
There is provided a voice processing technology and device utilizing the voice processing technology, capable of making the voice on the telephone receiver easy to hear according to the frequency. This invention utilizes a frequency conversion means capable of converting the input voice frequency to a desired frequency. The frequency conversion level or frequency shift can be optionally set for each frequency. The frequency is not changed if the input voice frequency is low. The higher the voice frequency, the greater the frequency conversion shift to a low frequency range for an easy to hear voice.
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