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solution sketching With low mistake yard of rates and transmit high in quality of satellite communication, from some to clicking more by multicasting advantage of transmitting etc. is suitable especially for audio frequency of program. The satellite network center of the Goldinfo is furnished with the audio frequency group and multicast the server, have installed digital coding of the audio frequency and compressed software in the audio frequency multicast the server, it is to receiving from sonic card to simulation audio frequency signal digitization and can't compress until suitable speed. Audio frequency through ground circuit or digital microwave pass way convey it wide satellite network center to program of customer, receive end install one high-speed form charge satellite remote station, dispose one PC and software of receiving that installation Goldinfo offer. The satellite main website of the Goldinfo multicast the program through the satellite organizes nationwide to convey, receive the music program from main website through the satellite remote station that is authorized. |
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Music program compress code adopt whom Goldinfo develops by oneself accord with MPEG1 Layer3 (namely MP3) compression technology of the standard; MP3 can obtain quality better than MPEG1 Layer2 under the same speed. Suitable target The program is exchanged between the broadcasting stations and share, the on-the-spot broadcasting of the concert, concert, theatrical evening, the program provider's program is provided and delivered, the background music of such public places as the tourist hotel, airport, station, scenic spot, etc. is conveyed. Function summary The real season eye is transmitted: The music program is conveyed to the satellite network center of the Goldinfo through special line or digital program source from the customer of microwave pass way on the ground, organized and sown when real in the whole country by Goldinfo's broadband satellite network, the recipient is the regional broadcasting station through authorizing. Can realize many program large goal convey at the same time. Can reach the transmission quality of grade of radio in 256Kbps transfer rate. Download of resources of the music: The Goldinfo can download a large number of music resources to the designated customer end computer by way of multicasting from the server to broadband satellite net, the customer can broadcast at any time. The customer is benefited The broadcasting station can realize the radio hookup of the program through Goldinfo's broadband satellite network, make the nationwide program brand, and bring the advertising income of appreciation. Broadcasting live the function can realize that the whole country is covered for the sponsors of the concert, concert, theatrical evening, increase the influence power of the program, increase the advertising income at the same time. The unit with resource copyright of the abundant music can realize through Goldinfo's broadband satellite network multicasts the background music of public place, increased unit's income of the copyright, solved the music copyright problem in the public place at the same time. Download music by multicast of satellite can reduce the cost of transmit greatly and raise the efficiency. Solution advantage Adopt advanced group IP multicat (Multicast) technology, supports many ways to convey on a channel. Can be set up in the main website according to the need while conveying the speed, choose the range from 64Kbps to 320Kbps. Adopt the technology of compression based on MP3 standard, can obtain quality of sound better than MPEG1 Layer2 under the same transfer rate. Can control and manage to different users, different audio frequency separately in the main website, in a flexible way freely. Carry the remote station of satellites and dispose the standard LAN interface far, can connect the computer network conveniently. The satellite system adopts 64 DES to encrypt algorithms and advanced terms to insert the technology of controlling (CA), can guarantee that it is safe and reliable to transmit the program. Goldinfo strong application software develops team can offer the powerful customer service.
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©1998-2005 Goldinfo Inc.All rights reserved |
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北京天广信息通信服务有限责任公司 版权所有
1998-2005 经营许可证编号: 京 ICP 证 040472号 |