Device of controlling hand-held terminal volume output automatically

A device of controlling hand-held terminal volume output automatically comprises an environment sound acquisition unit, a sound processing unit, an output control unit, a power amplifier, a media player, an earphone and a microphone. The environment sound acquisition unit is connected with the sound...

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Bibliographische Detailangaben
Hauptverfasser:	ZENG LUOJUN, LI JIANBING, ZOU WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	A device of controlling hand-held terminal volume output automatically comprises an environment sound acquisition unit, a sound processing unit, an output control unit, a power amplifier, a media player, an earphone and a microphone. The environment sound acquisition unit is connected with the sound processing unit, and the sound processing unit is connected with the environment sound acquisition unit and the output control unit separately; the output control unit is connected with the sound processing unit and the power amplifier separately, and the power amplifier is connected with the output control unit, the media player, the earphone and a receiver separately. According to the utility model, by collecting the on-site noise statuses, the earphone or receiver output volume of a hand-held terminal is adjusted automatically, so that users obtain appropriate volume in the noise environment, and the user hearing is protected.