Wireless multichannel home theater system based on WiFi technology

Abstract

The invention discloses a wireless multi-channel home theater system based on a WiFi technology, and the system comprises an audio decoder which is electrically connected with one of a television and a player, obtains a digital audio signal, carries out the audio decoding and processing of the obtained digital audio signal, and transmits the digital audio signal to the television and the player. Then the processed digital audio signal is transmitted to a loudspeaker through WiFi; and the controller is in wireless connection with the audio decoder through WiFi, and the controller is used for controlling the audio data and the decoding format of the audio decoder. According to the invention, the built-in WiFi is adopted as a trunk output mode, a home router does not need to be accessed, the situation of unstable transmission is avoided, and the audio decoder adopts a dual-frequency signal transmission technology, so that the interference is less; and the WiFi wireless transmission technology is adopted, so that the bass loudspeaker and the ceiling WiFi loudspeaker can be conveniently arranged and placed, the bass loudspeaker and the ceiling WiFi loudspeaker can be more concise and attractive, the mounting direction is corresponding, a better surround sound effect can be provided, and the playing experience of the playing system is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of home theater system, more particularly, to a wireless multi-channel home theater system based on WiFi technology. BACKGROUND

[0002] The home theater system refers to a system capable of realizing theater-level audio-visual experience in a home environment, which is composed of a signal source, an amplifier and a terminal. The signal source includes DVD, Blu-ray player and other devices, the amplifier adopts an AV amplifier with Dolby decoding function, and the terminal covers flat panel televisions, projectors and professional sound boxes.

[0003] The transmission mode of the current home theater system is wired transmission, and all audio lines (sound box lines, HDMI lines and optical fiber lines) need to be slotted, piped and buried in the wall, which requires a large amount of engineering and high electrical knowledge of the decoration master. After long-term use, the exposed wiring post at the back may be oxidized, resulting in poor contact and noise, which is difficult to troubleshoot. If the power line and the audio line are too close without proper shielding, the "hum" current sound will be easily introduced. SUMMARY

[0004] In view of the problems in the prior art, the purpose of the present application is to provide a wireless multi-channel home theater system based on WiFi technology to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: The wireless multi-channel home theater system based on WiFi technology comprises: An audio decoder, which is electrically connected to one of a television and a player, acquires digital audio signals, and decodes and processes the acquired digital audio signals, and then transmits the processed digital audio signals to a loudspeaker through WiFi; A controller, which is wirelessly connected to the audio decoder through WiFi, is used to control the audio data and decoding format of the audio decoder; The loudspeaker comprises a bass loudspeaker and a ceiling WiFi loudspeaker, both of which are wirelessly connected to the audio decoder through WiFi, and receive the digital audio signals output by the audio decoder and convert the digital audio signals into analog electrical signals to play audio; The ceiling WiFi loudspeaker is used to be installed on the indoor ceiling, and comprises a left surround playing unit, a left tweeter playing unit, a center playing unit, a right tweeter playing unit and a right surround playing unit.

[0006] As a further description of the above technical solutions: The audio decoder comprises an audio receiving module, an audio processing module, a multi-channel audio generation module and a WiFi transmitting module, the audio receiving module is used for connecting a television and a player and receiving an audio file; the audio processing module is used for decoding and processing the audio file; the multi-channel audio generation module is used for generating three-dimensional sound field information according to the processed audio file; and the WiFi transmitting module transmits the audio file and audio information according to the three-dimensional sound field information to the corresponding player through WiFi wireless transmission.

[0007] As a further description of the above technical solutions: The left surround playing unit, the left treble playing unit, the middle playing unit, the right treble playing unit and the right surround playing unit are all cylindrical speakers, and the playing directions are vertically downward after installation.

[0008] As a further description of the above technical solutions: The working power of the bass speaker is 600W, and the working power of the left surround playing unit, the left treble playing unit, the middle playing unit, the right treble playing unit and the right surround playing unit is 75W.

[0009] As a further description of the above technical solutions: The input mode of the audio receiving module includes HDMI, optical fiber and Bluetooth.

[0010] As a further description of the above technical solutions: The audio data includes playing audio mode, audio switching, audio volume, audio playing, audio pausing and switching on and off.

[0011] As a further description of the above technical solutions: The audio decoder further comprises a sound card module, the audio receiving module is further wirelessly connected with a microphone and receives audio data of the microphone, the sound card module is used for real-time audio effect processing of the audio data of the microphone, and the audio effect processing includes adding talkback, reverberation, echo and electric sound.

[0012] Compared with the prior art, the advantages of the present application are: (1) In the present application, built-in WiFi is used as the main output mode, without the need to access a home router, avoiding unstable transmission, and the audio decoder adopts a dual-frequency transmitting signal technology, with less interference, fundamentally solving the anti-interference ability of wireless transmission, and being able to guarantee stable transmission of large-capacity audio data.

[0013] (2) The scheme, WiFi wireless transmission technology, can facilitate the installation and placement of the bass speaker and the ceiling WiFi speaker, wherein the ceiling WiFi speaker does not need wiring to receive a line and only needs to be connected to a power supply, thereby facilitating installation operation, avoiding occupying space when installed on the ceiling, and the layout of the movie theater above can be more simple and beautiful, and the corresponding installation orientation can provide better surround sound effects and improve the playback experience of the playback system. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a schematic diagram of the principle of the home theater system. Fig. 2 It is a schematic diagram of the structure of the audio decoder of the application. Fig. 3 It is a schematic diagram of the structure of the bass speaker of the application. Fig. 4 It is a schematic diagram of the structure of the ceiling WiFi speaker of the application. Fig. 5 It is a schematic diagram of the structure of the controller of the application. Fig. 6 It is a layout schematic diagram of the installation of the home theater in the application.

[0015] Explanation of reference numerals in the drawing: 1, audio decoder; 11, audio receiving module; 12, audio processing module; 13, multi-channel audio generation module; 14, WiFi transmitting module; 15, sound card module; 2, bass speaker; 3, ceiling WiFi speaker; 31, left surround playback unit; 32, left tweeter playback unit; 33, center playback unit; 34, right tweeter playback unit; 35, right surround playback unit; 4, controller. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application.

[0017] Please refer to Figs. 1-6 The application provides Example 1: The wireless multi-channel home theater system based on WiFi technology comprises: The audio decoder 1 is electrically connected to one of a television and a player, obtains a digital audio signal, and performs audio decoding and processing on the obtained digital audio signal, and then transmits the processed digital audio signal to a speaker through WiFi.

[0018] The controller 4 is wirelessly connected with the audio decoder 1 through WiFi, and is used for controlling audio data and decoding format of the audio decoder 1, wherein the audio data includes playing audio mode, audio switching, audio volume, audio playing, audio pausing and switching on and off.

[0019] The loudspeakers include a bass loudspeaker 2 and a ceiling WiFi loudspeaker 3, both of which are wirelessly connected with the audio decoder 1 through WiFi, and receive digital audio signals output by the audio decoder 1 through WiFi and decode and convert the digital audio signals into analog electrical signals to play audio.

[0020] By adopting built-in WiFi as a main output mode, it is unnecessary to access a home router, and unstable transmission is avoided; the audio decoder 1 adopts a dual-frequency transmission signal technology, and interference is less, so that the anti-interference ability of wireless transmission is fundamentally solved, and stable transmission of large-capacity audio data can be ensured. Only power supply is needed, built-in WiFi is transmitted, and automatic networking is achieved, so that excessive transmission line wiring work is avoided, and the installation of a playing system is completed.

[0021] The audio decoder 1 includes an audio receiving module 11, an audio processing module 12, a multi-channel audio generation module 13 and a WiFi transmission module 14; the audio receiving module 11 is used for connecting a television and a player, and receiving an audio file; input modes of the audio receiving module 11 include HDMI, optical fiber and Bluetooth, so that immersive experience is achieved through 2-channel back transmission of the television or the set top box 2; the audio processing module 12 is used for decoding and processing the audio file; the multi-channel audio generation module 13 is used for generating three-dimensional sound field information according to the processed audio file; the WiFi transmission module 14 wirelessly transmits the audio file and audio information according to the three-dimensional sound field information to a corresponding player through WiFi, wherein the WiFi transmission module 14 can send dual-frequency WiFi signals of 5.2g or 5.8g.

[0022] By adopting multi-channel, household viewing, music appreciation, game entertainment and other multi-scene requirements can be achieved, immersive sound experience is provided, and a home theater is realized without debugging.

[0023] Please refer to Figs. 1-6 , the application further provides embodiment 2 based on embodiment 1: The ceiling WiFi loudspeaker 3 is used for being installed on an indoor ceiling, and includes a left surround playing unit 31, a left tweeter playing unit 32, a center playing unit 33, a right tweeter playing unit 34 and a right surround playing unit 35.

[0024] The left surround playing unit 31, the left treble playing unit 32, the middle playing unit 33, the right treble playing unit 34 and the right surround playing unit 35 are all cylindrical speakers, and the playing directions are vertically downward after installation. The WiFi wireless transmission technology can facilitate the installation and placement of the bass speaker 2 and the ceiling WiFi speaker 3, wherein the ceiling WiFi speaker 3 does not need wiring and only needs to be connected to the power supply, thereby facilitating the installation operation, avoiding the occupation of space, and being more simple and beautiful in the layout of the movie theater above, and providing better surround sound effect and improving the playing experience of the playing system.

[0025] The working power of the bass speaker 2 is 600W, and the working power of the left surround playing unit 31, the left treble playing unit 32, the middle playing unit 33, the right treble playing unit 34 and the right surround playing unit 35 is 75W.

[0026] Compared with the wired cinema system, the wireless cinema has obvious advantages in energy saving and environmental protection, can reduce the line energy loss, thereby saving energy and reducing carbon emissions.

[0027] Please refer to Figs. 1-6 The application further provides example 3 on the basis of example 1 and example 2. The audio decoder 1 further comprises a sound card module 15, and the audio receiving module 11 is further wirelessly connected to a microphone and receives audio data of the microphone; the sound card module 15 is used for real-time sound effect processing of the audio data of the microphone, and the sound effect processing includes adding talkback, reverberation, echo and electric sound.

[0028] The audio information collected by the microphone is converted into audio data and uploaded to the audio receiving module 11, and then the audio receiving module 11 transmits to the sound card module 15, the audio data is processed, and then sent to the speaker through the WiFi transmitting module 14; the sound card module 15 cooperates with the microphone to facilitate the user to sing, and the sound is decorated, the use function of the home theater is expanded, and the use experience is improved.

[0029] The above is only a preferred specific embodiment of the application; however, the protection scope of the application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical solution and the improvement concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A wireless multi-channel home theater system based on WiFi technology, characterized in that, The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system.

2. The wireless multi-channel home theater system based on WiFi technology according to claim 1, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system.

3. The wireless multi-channel home theater system based on WiFi technology according to claim 1, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system.

4. The wireless multi-channel home theater system based on WiFi technology according to claim 1, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system.

5. The wireless multi-channel home theater system based on WiFi technology according to claim 2, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system.

6. The wireless multi-channel home theater system based on WiFi technology according to claim 1, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system.

7. The wireless multi-channel home theater system based on WiFi technology according to claim 1, wherein: The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. The utility model relates to an audio decoding device and method, and a multi-speaker system. 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