Abstract: OBT is a high-tech enterprise in Shenzhen and a listed company in Shenzhen Qianhai Equity Exchange Center. Since its establishment in 2003, it has been committed to designing a high-quality public broadcasting system for the public building sector. In 2016, it successfully designed IP for Shenzhen Happy Valley. The digital public address system meets the requirements of the background music broadcast, the scenic spot broadcast notification, the attraction and the visitor interaction, and provides a good, safe and happy travel environment for tourists.

Background of the project

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Shenzhen Happy Valley is a new generation of large-scale theme park of OCT Group. It is the first batch of national AAAAA-level tourist area, covering an area of 350,000 square meters and a total investment of 2 billion yuan. It is a participatory, ornamental, entertaining and interesting. An integrated Chinese modern theme park. Since its opening in 1998, Shenzhen Happy Valley has become the modern park with the largest scale of investment and the most advanced facilities in China after five phases of rolling development. In the past 14 years, Shenzhen Happy Valley has received more than 30 million tourists from home and abroad. The number of people entering the park has ranked first in China for 8 consecutive years, and has won the top ten theme parks in Asia Pacific for four consecutive years, becoming the leader of the Chinese theme park industry.

The park is divided into nine theme areas: Spain Square, Magic Castle, Adventure Mountain, Happy Hour, Gold Mine, Shangri-La Snow, Hurricane Bay, Sunshine Coast, and the unique Maya Water Park, with more than 100 young and old A wide and colorful ride. From the United States, the Netherlands, Germany and other countries to introduce a number of national and even Asian unique projects: such as the world's highest drop "Rushing Forward", Asia's highest roller coaster "Global Supreme Bounce Roller Coaster", China's first hanging roller coaster "Snow Mountain Flying Dragon ", China's first lane-type "mine truck", China's first "perfect storm", China's first "imitation classical ring park train", Asia's highest, China's first [thrilling tower] "space "Suzhou", Asia's first "four-dimensional cinema" integrating visual, auditory and tactile, the world's longest water warship "jungle water war", and the world's first-class, the first elevated sightseeing train in China "Happy Route" ...... Whenever night falls, the magical and elegant large-scale magic dance drama "Magic Mirage" in the Happy Theater will bring endless surprises and extraordinary enjoyment to the tourists; the happy street of the feast, the golf entertainment city allows you to fully appreciate the Chinese and Western names. The night market and the bar create a festive food culture. Join a wonderful journey of joy, joy, music, and small valleys - three joyful messengers, will bring you endless joy.

These rides give a realistic and perfect theme package, creating a beautiful and pleasant environment with a view of the American West and the Northern Tibetan style. The thrilling journeys, the confusing stories, make visitors feel like they are entering a mysterious realm.

customer demand

The broadcast mainly covers Spain Square, Magic Castle, Adventure Mountain, Happy Hour, Gold Mine, Shangri-La Snow, Hurricane Bay, Sunshine Coast, and Maya Water Park. Each area can be independently controlled. According to the needs of the scenic spot broadcasting, the entire scenic spot broadcasting can be partitioned and managed, so that the overall playing of the scenic spot can be realized, and the single or multiple regional combinations can be played to create a good tourist atmosphere for the scenic spot environment. Use the broadcast to disseminate local travel information, weather forecasts, garden instructions, etc.

solution

The whole system design is as follows: The public broadcasting system of the scenic spot requires strict design according to the design requirements of the public broadcasting of the scenic spot, combined with relevant design standards and scenic maps, and the design of the public broadcasting system meets the background music broadcasting, information broadcasting, broadcasting notification, and emergency broadcasting of the scenic spot. The use of the broadcast server is set in the broadcast room. The nine areas use terminal + power amplifier control. According to the regional configuration and environment-friendly speakers, the park automatically plays the beautiful music suitable for the area according to the date or holiday. So that each area can simultaneously play background music of different winds, so that music and environment are harmonious and unified.

Project installation renderings

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System architecture diagram:

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Achieve the effect:

1. Cover all functions of the traditional broadcasting system

Including business speech broadcasts, background music, regular ringing and radio broadcasts.

2, the system is based on IP network, follow the TCP / IP protocol

Multi-purpose, multi-use, make full use of IP network resources, avoid repeating the installation of lines, and have Ethernet interfaces to connect digital broadcast terminals, truly realize the multi-network integration of broadcasting and computer networks. The external audio (card, CD, radio, microphone, etc.) is connected to the audio server software for real-time compression into a high-quality data stream, and the broadcast data is transmitted through the computer network, and the digital broadcast terminal can receive and play through the built-in speaker in real time.

3, multiple sets of programs play simultaneously

Each terminal can be set to play different content, that is, one set of programs corresponds to one terminal, and does not interfere with each other. The terminal volume is independently controlled.

4, arbitrarily choose paging

By paging the microphone on the IP network or a computer on the network, installing the workstation software, you can realize the broadcast speech, which can be specified to broadcast to all, part or single terminal.

5, regular ringing

IP network broadcasts can set personalized music ringtones and automatically play background music according to a well-organized schedule. The schedule of work can be adjusted automatically in spring and autumn.

6, timed playback

Each voice broadcast terminal of the IP network broadcast can receive the personalized timed broadcast program of the system server separately and has a timed play operation because it has an independent IP address.

7, voice real-time broadcast

The real-time broadcast function of the IP network broadcast program can compress and store the programs from other sound sources in real time to the server, and can simultaneously broadcast to the designated workshop terminal as required. The source of the broadcast can be other commercial or self-use radios, recorder decks, CD players, MP3 players, microphones, and the like.

8. Online radio broadcast

The IP network broadcast can convert the Internet network radio program received through the Internet radio software into the OBTPAIP network broadcast data format, and play the voice broadcast terminal in real time.

9. Leadership online speech

IP network broadcasting enables leading online speech. The leader does not need to go to the broadcast center, and any computer connected to the system server can realize remote speaking through the microphone of the computer. You can speak to the whole district or speak to some areas.

10, audio amplification

A voice terminal for IP network broadcasting that provides audio access. When there is no broadcast signal, the audio output of the computer can be connected to the voice terminal and broadcasted by sound reinforcement.

11. Emergency fire broadcast

The system can access fire alarm signals to achieve fire linkage and support adjacent layer alarms.

12, power amplifier power control

The digital broadcasting terminal can automatically switch the power of the power amplifier according to the presence or absence of the voice signal, and avoid the power amplifier to work for a long time for 24 hours.

13, audio material production

Enable recording, conversion, and editing of digital material. The system server can store music programs or voice programs for thousands of hours or more.