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    Rural radio solutions

    Rural radio

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    , Construction of rural radio necessity
        
    The rural radio every village sound engineering foundation works to promote the construction of socialist spiritual civilization in rural areas, popular project is welcomed by the broad masses of peasants. The importance of the scientific concept of development, vigorously develop village-level public FM radio, focused on building rural radio service system, to enrich the cultural life of the masses, and effectively protect people's basic cultural rights and interests of farmers, for the construction of a new socialist countryside to lay a solid foundation of spiritual civilization means. , It is also timely, rapid, convenient and publicize the party, government policy, to promote the "three rural" policy, the necessary measures for the benefit of spiritual and cultural life in rural areas.
        
    In a market economy, agriculture is facing double natural and market risks due to poor information, changes in demand for agricultural products at home and abroad do not know much, agricultural production is often affected by the impact of last year the price fluctuations, not only increased agricultural production uncertainty, and the slow growth of farmers' income. Farmers close to the market through the development of information services in rural areas, it is necessary to understand first-hand market information, but also can take advantage of market information timely adjustment of planting, breeding structure, the development of special industries.
        
    In recent years, in some rural areas through the promotion of rural radio "every village rang" means, in the county, township establishment of professional Rural Affairs Radio, the characteristics of local agriculture, and the timely collection at home and abroad planting, breeding, scientific, Price, trends other related information, the farmers raised planting by broadcast scientific guidance and pest control preach in, find a market for local agricultural products, and some also enter the international market, a substantial increase in the income of the farmers, the effect is quite significant. Now, rural radio, FM, cable the rural broadcasting has been widely used in Jiangsu, Zhejiang, Beijing, Sichuan and other places.
    Second, rural radio Overview
        
    Albert Hite rural radio is a wireless transmitter to transmit broadcast equipment. Has no pole overhead line, covering a wide range of unlimited expansion, easy to install, investment savings, beautiful sound. Completely solve the traditional cable radio wiring is difficult, complicated installation, expansion, and damage to the wall and coal environment. For large-scale, wide geographical coal production, coal Albert Hite radio has a traditional wired broadcasting incomparable superiority.
    Third, rural radio principle
        
    Analog sources such as DVD, microphone broadcast analog audio into the mixer, mixer, volume control, audio modification output composite audio signal, audio signal audio input mixer with digital tuner, intelligent broadcast control host switch input to the radio transmitter into the air.
        
    Wireless FM radio signal transmitted in the air as FM, the terminal FM speaker playback can also be used in rural areas have a public address system, broadcast by FM radio amplifiers tweeter.
    Fourth, rural radio
    4.1 rural radio audio design
        
    Mainly emitted by the source (play host digital audio output, tuner, microphone, analog audio), mixer (audio signal switching equipment), smart radio host (to issue digital audio and control signals), broadcast transmitters (radio and control modulation transmitting equipment).
    4.2 rural radio broadcast control design
        
    FM radio intelligent coding controller and computer combination of intelligent, automated control, the entire broadcasting system.
    4.3 rural radio transmission design
        
    By the transmitter antenna and feeder, the audio level control signal is modulated to the the FM FM carrier, and the SCA subcarrier first, and then emitted to the air.
    4.4 rural radio receiver design
        
    The outdoor FM Speaker listen to "the FM closing amplifiers tweeter" can also be used to listen to. FM speaker and FM radio amplifiers can level control automatically turned on or off, saving power resources.
    , Rural radio features
        
    Scheduled broadcast: needed in week units set automatic playlist, play the content broadcast time, play area can be arranged any settings.
        
    Telephone broadcast control: In case of emergency, to support remote dial telephone remote broadcast.
        
    Auto play: the computer can automatically timed automatic playlist playback, unattended, before playing the system automatically opens the corresponding region of the FM receiver device power, turn off automatically after the completion of the play delay.
        
    Random spots: during playback, the user can at any time stop the timer playback, the insertion of other programs, the end of the spots, the system still continues to play according to the playbill.
        
    Wireless transmission: FM carrier modulated audio and control signals, audio and control signals are equipped with high-frequency carrier signal transmission to the control FM transmitter, audio and control signals using wireless transmission.
        
    Multi-listen: The system supports multi-answer mode, you can directly listen to FM Speaker can also demodulate the signal and then the power amplifier loudspeakers to listen to FM radio amplifiers.
        
    Free expansion: the receiving terminal to normal playback tracks require two, have the system power requirements, with signal reception field strength requirements. Therefore, the expansion of the terminal without re-laying of cables or replace the power amplifier from the coaxial network to meet the required field strength on the basis of any connection on it.
        
    Operation is simple: broadcast control software is a powerful, user-friendly interface design, easy to learn
        
    **: FM radio FM, less susceptible to external electrical impact, and FM radio characteristics of compression technology, the interference filter.
    L expansion is easy: to receive an unlimited number of devices, can be arbitrarily increased.
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