| 摘要 |
A method of applying an electric signal to a headphone or like acoustic transducer is disclosed. The electric signal comprises a non-sinusoidal pulsating electric waveform selected from the group consisting of square waves, triangle waves, and sawtooth waves each having a pulse repetition rate in the range of approximately 20Hz to less than 100Hz. The waveform comprises a sequence comprising a plurality of at least two of the square waves, triangle waves, or sawtooth waves each of predetermined duration.
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