Audio transmission encryption system for open-air movie theater

An encryption system and cinema technology, applied in broadcasting system control, electrical components, selective content distribution, etc., can solve the problems of merchants’ charging difficulties and disturbing residents, and achieve the effect of solving charging difficulties, solving disturbing residents, and low cost

Inactive Publication Date: 2019-07-05
徐汉阳 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although open-air cinemas are good, there are two problems. One is that audiences who have not paid the fee can watch movies as well as those who have pa

Method used

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  • Audio transmission encryption system for open-air movie theater
  • Audio transmission encryption system for open-air movie theater
  • Audio transmission encryption system for open-air movie theater

Examples

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Embodiment Construction

[0017] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0018] like Figures 1 to 3 As shown, an embodiment of the present invention provides an encryption system for audio transmission in an open-air theater. The encryption device may include a transmitter 1 and a number of receivers 2. The number of receivers 2 is determined according to actual needs, such as venues, number of residents, etc. This is not limited; the transmitting device 1 encrypts the audio signal of the movie shown in the open-air cinema and sends it to the receiving device 2, and the receiving device 2 receives and decrypts it and plays it.

[0019] Through the above scheme, the audio signal of the movie shown in the open-air cinema is encrypted and decrypted in a targeted manner, so that the audience who pays the fee can see the image and hear the sound; No sound; residents who do not want to watch movies are not disturbed by the sound...

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PUM

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Abstract

The invention relates to an audio transmission encryption system for an open-air movie theater, and the system comprises a transmitting device and a plurality of receiving devices, the transmitting device encrypts audio signals of movies played by the open-air movie theater and sends the audio signals to the receiving devices, and the receiving devices receive and decrypt the audio signals and play the audio signals. The system can effectively solve the problem of difficult charging of the open-air movie theater and the problem of disturbing residents.

Description

technical field [0001] The invention relates to the technical field of audio, in particular to an encryption system for audio transmission in an open-air cinema. Background technique [0002] At present, open-air theaters have entered the residential community, with low ticket prices and convenience for residents to watch, so they are very popular among residents. Although open-air theaters are good, there are two problems. One is that the unpaid audience can watch the movie as well as the paid audience, that is, it is difficult for the merchants to charge; the other is that the residents who do not want to watch the movie can hear the movie The sound is disturbing. SUMMARY OF THE INVENTION [0003] In view of this, an embodiment of the present invention provides an encryption system for audio transmission in an outdoor cinema. [0004] In order to realize the above-mentioned technical purpose, the present invention adopts the following technical scheme: an open-air cine...

Claims

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Application Information

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IPC IPC(8): H04N21/439H04N21/438H04H60/23
CPCH04H60/23H04N21/4382H04N21/439
Inventor 徐汉阳张雪田孙孟新
Owner 徐汉阳
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