CN205320257U - Wireless sound system of cinema and large -scale performance - Google Patents
Wireless sound system of cinema and large -scale performance Download PDFInfo
- Publication number
- CN205320257U CN205320257U CN201620052091.8U CN201620052091U CN205320257U CN 205320257 U CN205320257 U CN 205320257U CN 201620052091 U CN201620052091 U CN 201620052091U CN 205320257 U CN205320257 U CN 205320257U
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- wireless
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- loudspeaker
- interface
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Abstract
The utility model is suitable for a wireless data transmission provides a wireless sound system of cinema and large -scale performance, including audio frequency unit and a plurality of loudspeaker unit, the audio frequency unit includes audio equipment, wireless sending module, and the loudspeaker unit includes audio power amplifier module, wireless receiving module and loudspeaker module, audio equipment is used for producing audio signal and transmits extremely wireless sending module, wireless sending module changes back transmission to the wireless receiving module that corresponds with received audio signal, transmit after the wireless audio signal of received is changed to the wireless receiving module to enlarge again to the audio power amplifier module and afterwards transmit extremely the loudspeaker module, the wired audio signal after enlargeing passes through the loudspeaker module carries on playing away after electro -acoustic transducer becomes sound. The utility model discloses adopt wireless transmission between current audio equipment and loudspeaker, reduced the consumption of wire rod, reduced the cost of installation.
Description
Technical field
The utility model belongs to wireless data transmission technology field, particularly relates to and a kind of is applicable to kino and the wireless sound system of large-scale performance.
Background technology
Existing kino and large-scale performance sound system are all that (in whole system, only wireless mi-crophone part is wireless to wired sound system, but it is all the wireless audio frequency of simulation of UHF or the VHF frequency range based on FM modulation), particularly the audio frequency of film projector outputs to the transmission link of speaker, the wire transmission being all. In large-scale performance sound system, the transmission link outputting to speaker from sound console at present is also all wire transmission, and this wire transmission consumes a large amount of wire rods, and installation and adjustment cost is very high, it may also be useful to very inconvenient.
Practical novel content
Technical problem to be solved in the utility model is to provide and a kind of is applicable to kino and the wireless sound system of large-scale performance, it is intended to solve the handy a large amount of wire rod of existing sound system, installation and adjustment cost very high, it may also be useful to inconvenient problem.
The utility model realizes like this, and the wireless sound system of a kind of kino and large-scale performance, comprises audio unit and some loudspeaker units; Described audio unit comprises the wireless sending module of audio-frequency apparatus and audio-frequency apparatus wired connection, described loudspeaker unit comprise audio frequency power amplifier module and respectively with wireless receiving module and the loudspeaker module of audio frequency power amplifier module wired connection;
Described audio-frequency apparatus is for generation of sound signal and transfers to described wireless sending module, after the sound signal received is changed by described wireless sending module, generates wireless audio signal and transfers to corresponding wireless receiving module;
The wireless audio signal of the correspondence received is changed by described wireless receiving module, transfers to audio frequency power amplifier module after generating wireline audio signal;Described audio frequency power amplifier module transfers to described loudspeaker module after described wireline audio signal is carried out power magnification, and the wireline audio signal after power magnification carries out playing out after electroacoustic converts sound to through described loudspeaker module.
Further, described audio unit comprises at least one wireless sending module, at least corresponding wireless receiving module of described wireless sending module.
Further, described audio-frequency apparatus is by analog audio interface, I2S interface, SDI interface, HDMI, pcm interface and optical fiber interface are connected with described wireless sending module.
Further, described wireless sending module and described wireless receiving module are all built-in with TPC/IP agreement, carry out Signal transmissions by 2.4G frequency.
Further, described wireless sending module and described wireless receiving module are all built-in with TPC/IP agreement, carry out Signal transmissions by 5.2G frequency.
Further, described wireless sending module and described wireless receiving module are all built-in with the privately owned communications protocol based on TPC/IP agreement, carry out Signal transmissions by 5.8G frequency.
Further, described audio frequency power amplifier module is by analog audio interface, I2S interface, SDI interface, HDMI, pcm interface and optical fiber interface are connected with described wireless receiving module.
Compared with prior art, useful effect is the utility model: the utility model adopts wireless transmission method between existing audio-frequency apparatus and loudspeaker, decreases the consumption of wire rod, reduces the cost of installation.
Accompanying drawing explanation
Fig. 1 is a kind of kino of the utility model embodiment offer and the structural representation of the wireless sound system of large-scale performance.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the utility model, and it is not used in restriction the utility model.
The sound system of kinos all at present and business performance is all wired system, an aspect is that whole system needs cable expensive in a large number, another aspect is exactly that the installation of audio frequency system needs specialised vehicles transport cable, need workman to install simultaneously, waste time and energy, it may also be useful to the utility model can save the cost buying cable, the expense simultaneously can save cable transport, installing, save money laborsaving again, it may also be useful to easily convenient and swift.
Therefore, the utility model provides the wireless sound system of a kind of kino as shown in Figure 1 and large-scale performance, comprises audio unit 1 and some loudspeaker units 2; Audio unit comprises the wireless sending module of audio-frequency apparatus and audio-frequency apparatus wired connection, loudspeaker unit 2 comprise audio frequency power amplifier module and respectively with wireless receiving module and the loudspeaker module of audio frequency power amplifier module wired connection; Described audio-frequency apparatus is for generation of sound signal and transfers to described wireless sending module, after the sound signal received is changed by described wireless sending module, generates wireless audio signal and transfers to corresponding wireless receiving module; The wireless audio signal of the correspondence received is changed by described wireless receiving module, transfers to audio frequency power amplifier module after generating wireline audio signal; Described audio frequency power amplifier module transfers to described loudspeaker module after being amplified by described wireline audio signal, and the wireline audio signal after amplification carries out playing out after electroacoustic converts sound to through described loudspeaker module.
The utility model adopts digital radio transmission method, there are one or more wireless transmitter modules, each is wireless sending module one or more wireless receiving modules corresponding, transmission between wireless sending module and wireless receiving module is allowed 2.4G, 5.2G or 5.8G frequency of open use based on the Radio Management Commission, follows TPC/IP agreement.
In Fig. 1, the function of wireless transmitter module is through analog audio interface or I2After S interface or SDI interface or HDMI or pcm interface or optical fiber interface receive the sound signal that audio-frequency apparatus produces, then sound signal is changed into wireless audio signal launches; The function of wireless receiving module receives it to be transformed into wireline audio signal after wireless audio signal and use analog audio interface or I2S interface or SDI interface or HDMI or pcm interface or optical fiber interface to send audio frequency power amplifier module to; The function of audio frequency power amplifier module exports to loudspeaker module receiving after wireline audio signal amplifies; The function of loudspeaker module does electroacoustic conversion, and the wireline audio electrical signal after amplifying is converted to sound broadcast.
2.4G/5.2G/5.8G digital radio transmission technology is all the field being applied to WIFI online all the time, kino of the present utility model and business performance audio frequency system adopt 2.4G/5.2G/5.8G digital radio load mode, power amplifier module is integrated with sound box module, can effectively avoid sound-box device heavy, difficulty is installed and waits as topic.
Large-scale movie theatre and performance are on-the-spot higher to sound effects requirement, audio-frequency apparatus of the present utility model adopts digital audio frequency, sound signal is the automatic frequency modulation of meeting in transmission over radio process, avoid the interference of external noise, thus ensure that on-the-spot audio, the simultaneously different wireless signals between wireless transmitter module can not interfere with each other, and wireless transmitter module and wireless receiving module can carry out dynamic conditioning for different performance scenes, such as, at corresponding three receiver modules of some occasions wireless transmitter module, and some special occasions switch to one to launch a corresponding reception manually or automatically.
The foregoing is only better embodiment of the present utility model; not in order to limit the utility model; all any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (7)
1. the wireless sound system of a kino and large-scale performance, it is characterised in that, described wireless sound system comprises audio unit and some loudspeaker units; Described audio unit comprises the wireless sending module of audio-frequency apparatus and audio-frequency apparatus wired connection, described loudspeaker unit comprise audio frequency power amplifier module and respectively with wireless receiving module and the loudspeaker module of audio frequency power amplifier module wired connection;
Described audio-frequency apparatus is for generation of sound signal and transfers to described wireless sending module, after the sound signal received is changed by described wireless sending module, generates wireless audio signal and transfers to corresponding wireless receiving module;
The wireless audio signal of the correspondence received is changed by described wireless receiving module, transfers to audio frequency power amplifier module after generating wireline audio signal; Described audio frequency power amplifier module transfers to described loudspeaker module after described wireline audio signal is carried out power magnification, and the wireline audio signal after power magnification carries out playing out after electroacoustic converts sound to through described loudspeaker module.
2. wireless sound system as claimed in claim 1, it is characterised in that, described audio unit comprises at least one wireless sending module, at least corresponding wireless receiving module of described wireless sending module.
3. wireless sound system as claimed in claim 1, it is characterised in that, described audio-frequency apparatus is by analog audio interface, I2S interface, SDI interface, HDMI, pcm interface and optical fiber interface are connected with described wireless sending module.
4. wireless sound system as claimed in claim 1, it is characterised in that, described wireless sending module and described wireless receiving module are all built-in with TPC/IP agreement, carry out Signal transmissions by 2.4G frequency.
5. wireless sound system as claimed in claim 1, it is characterised in that, described wireless sending module and described wireless receiving module are all built-in with TPC/IP agreement, carry out Signal transmissions by 5.2G frequency.
6. wireless sound system as claimed in claim 1, it is characterised in that, described wireless sending module and described wireless receiving module are all built-in with TPC/IP agreement, carry out Signal transmissions by 5.8G frequency.
7. wireless sound system as claimed in claim 1, it is characterised in that, described audio frequency power amplifier module is by analog audio interface, I2S interface, SDI interface, HDMI, pcm interface and optical fiber interface are connected with described wireless receiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052091.8U CN205320257U (en) | 2016-01-19 | 2016-01-19 | Wireless sound system of cinema and large -scale performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052091.8U CN205320257U (en) | 2016-01-19 | 2016-01-19 | Wireless sound system of cinema and large -scale performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205320257U true CN205320257U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620052091.8U Expired - Fee Related CN205320257U (en) | 2016-01-19 | 2016-01-19 | Wireless sound system of cinema and large -scale performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205320257U (en) |
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2016
- 2016-01-19 CN CN201620052091.8U patent/CN205320257U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20180119 |