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Voice output system

A sound output and sound output device technology, applied in the direction of transducer circuits, sensors, electrical components, etc., can solve the problems of excessive volume at the line output port 68, inability to take into account the volume at the same time, and the decline in sound output quality

Inactive Publication Date: 2013-12-25
WUDI SCI & TECH (XIAN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the prior art uses the amplifying unit 66 to amplify the volume synthesis output and then provides the sound output through the line output port 68 of the sound output device 60, the charge pump (charger pump) of the amplifying unit 66 will cause background noise (background noise). ), resulting in a decline in sound output quality. In addition, since the amplification factor of the amplification unit 66 is fixed, it is impossible to take into account both the volume output by the microphone output port 67 and the volume output by the line output port 68, that is, the volume output by the microphone output port 67 is too high. Small or the volume of line output port 68 is too loud

Method used

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Embodiment Construction

[0016] see figure 2 , The sound output system of the first embodiment disclosed in the present invention includes: a wireless microphone 10 and a sound output device 20 , wherein the sound output device 20 includes: a wireless transmission unit 21 and a digital-to-analog conversion unit 22 . The wireless microphone 10 receives a sound signal from a mono audio, divides the sound signal into a left channel sound signal and a right channel sound signal through signal processing, and then analyzes the left channel sound signal and the right channel sound signal. The sound signal is converted into a stereo signal by analog and digital, and then transmitted through wireless (such as: wireless network, Wi-Fi, Bluetooth, RF, etc.) ) provides a stereo signal.

[0017] The wireless transmission unit 21 of the sound output device 20 transmits the data from the wireless microphone through wireless transmission (such as: wireless network, Wi-Fi, Bluetooth, RF, etc., this is only an examp...

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Abstract

The invention provides a voice output system which comprises a wireless microphone and a voice output device. The wireless microphone is used for receiving voice signals from a single track, enables the voice signals to be divided into left track voice signals and right track voice signals through signal processing, and conducts analog-digital conversion on the left track voice signals and the right track voice signals to form stereo signals to provide the stereo signals in a wireless transmission mode. The voice output device comprises a wireless transmission unit and a digital-analog simulation conversion unit, wherein the wireless transmission unit is used for obtaining the stereo signals from the wireless microphone through wireless transmission, and the digital-analog conversion unit is electrically connected to a wireless receiving unit.

Description

technical field [0001] The invention relates to a sound output system, in particular to a sound output system for setting different volume levels and outputs. Background technique [0002] see figure 1 , the first wireless microphone 51 provides a first mono audio signal through wireless transmission, the second wireless microphone 52 provides a second mono audio signal through wireless transmission, and the first wireless transmission unit of the sound output device 60 61 obtains the first monaural signal from the first wireless microphone 51 through wireless transmission; the second wireless transmission unit 63 of the sound output device 60 obtains the second monaural signal from the second wireless microphone 53 through wireless transmission. [0003] The first digital-to-analog conversion unit 62 of the sound output device 60 performs digital-to-analog conversion of the signal of the first monaural channel, and the second digital-to-analog conversion unit 64 of the sou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00
Inventor 何建中蔡俊彦
Owner WUDI SCI & TECH (XIAN) CO LTD
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