| 摘要 |
A headset is provided for use by a user to effect voice communication in a sound-restricted environment. The headset includes a microphone that converts the user's voice at a first sound level to produce a first audio signal. The headset also includes an apparatus with circuitry that amplifies the first audio signal to produce a second audio signal representing that produced by conversion of the user's voice at a greater, second sound level by the microphone, and outputs the second audio signal for communication to a telecommunications device or sound recording device. The circuitry also receives a third audio signal and measures a third sound level thereof. The circuitry produces a feedback signal in at least one instance in which the third sound level is greater than a threshold sound level that is less than the second sound level, and outputs the feedback signal for communication to the user. |
