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A wireless micro cinema system

A cinema and wireless technology, applied in the field of wireless micro-cinema systems, can solve the problems of crowded frequency bands, many connection lines, affecting connection quality, etc., and achieve the effect of high real-time performance and high node capacity.

Active Publication Date: 2019-10-11
HANSONG NANJING TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional AV power amplifiers or home theaters are mostly connected through speaker cables to drive speakers to produce sound. With the development of wireless technology, many products also realize audio transmission through wireless. The main working principle is to decode and convert different signal sources into PCM signals for use. Wireless transmission technology is used to realize wireless audio transmission. Traditional AV power amplifiers or home theaters usually have many and complicated connection lines, and the transmission in different spaces is relatively restrictive. Home theaters that use wireless technology reduce the trouble of physical wiring and realize equipment in different spaces. Any combination between them, but most of the current wireless product transmission is based on 2.4G, which is a widely used frequency band for wireless devices. If WIFI, Bluetooth and other devices are used at the same time, this frequency band will be very crowded and affect the connection quality and the transmission will reach less than hifi

Method used

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Effect test

Embodiment 1

[0021] Such as Figure 1 ~ Figure 3 As shown, the present invention provides a wireless micro theater system, including a wireless transmitter system for decoding audio signals and then performing wireless transmission, and a wireless receiving system for receiving signals emitted by the wireless transmitter system. The device system includes two signal transmission systems, VISA AV HUB system and WISA DONGLE system;

[0022] The VISA AV HUB system includes an HDMI transceiver module, a receiver module, a digital processing module, a first SUMMIT transmission module, a Bluetooth module, a first display unit module, and a first transmission system control module. The first transmission system control module The HDMI transceiver module, the receiver module, the digital processing module, the Bluetooth module and the first display unit module are respectively connected, and the digital processing modules are respectively connected to the HDMI transceiver module, the receiver module ...

Embodiment 2

[0029] Such as Figure 4 As shown, the player is connected to the VISA AV HUB system through the HDMI input interface, and the projector is connected to the HDMI output interface. The VISA AV HUB system wirelessly transmits the audio signal in the player through the first SUMMIT transmitter module, which is located in the PPA speaker The wireless receiving system inside receives the wireless signal transmitted by the VISA AV HUB system, and the power amplifier module of the wireless receiving system drives the speaker amplifier, and people can experience it in the viewing area.

Embodiment 3

[0031] Such as Figure 5 As shown, the mixer of the bar is connected to the WISA DONGLE system through the USB interface. The WISADONGLE system transmits the audio signal in the mixer wirelessly. The wireless receiving system located in the PPA speaker receives the wireless signal transmitted by the WISA DONGLE system. , The power amplifier module of the wireless receiving system drives the speaker power amplifier.

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Abstract

The invention discloses a wireless micro-cinema system comprising a wireless transmitter system which is used for decoding audio signals and then wirelessly transmitting the audio signals and a wireless receiving system which is used receiving the signals transmitted by the wireless transmitter system. The wireless transmitter system comprises two signal transmitting systems of a VISA AV HUB system and a WISA DONGLE system. Compared with the systems in the prior art, the wireless micro-cinema system has the characteristics of short distance communication, high real-time performance and high node capacity and can automatically jump frequency to avoid radar wave and other bands of which 5G is occupied; and the system has sufficient bandwidth and can transmit high-fidelity music of 24BIT, and the sound delay characteristic of lowing to 2.6 milliseconds is far better than that of other technical schemes so that the system is more suitable for the wireless communication requirement between sound equipment, stable in signal and abundant in function, the high-fidelity music can be enjoyed without modifying original decoration and the cinema system can be easily established.

Description

Technical field [0001] The present invention relates to the field of household and commercial audio, in particular to a wireless micro cinema system. Background technique [0002] Traditional AV power amplifiers or home theaters are mostly connected through speaker cables to promote the sound of speakers. With the development of wireless technology, many products also realize audio transmission through wireless. The main working principle is to decode and convert different signal sources into PCM signals. Wireless transmission technology is used to realize wireless audio transmission. Among them, traditional AV power amplifiers or home theaters usually have many and complicated connections, and transmission in different spaces is more restrictive. Home theaters using wireless technology reduce the trouble of physical wiring and realize equipment in different spaces. Any combination between them, but currently most wireless product transmissions are based on 2.4G, which is a widel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/40H04N21/4363H04R5/04G06F3/16H04W4/80
Inventor 柯海力蔡鹏飞
Owner HANSONG NANJING TECH LTD
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