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Network, and application of the emergence of digital technology has brought far-reaching human impact, people now live in a close network Digital Among the world. The same network, digital technology and comprehensive access to the audio broadcast field, are brought to our industry, substantive changes. A clear grasp of digital audio technology and communication network development trends, on the right to promote the field of digital broadcasting, the network process will be extremely important.
1. Audio broadcasting Make Link Traditional audio production of the first sound is the sound picked up from the beginning, that is, to acoustic signals into electrical signals. Can be said that this link is a network of digital technology with minimal impact on traditional forms part of the audio. Because both the network audio or traditional audio, sound source of acquisition or inseparable from the "microphone"?? The acoustic power conversion equipment.
However, network, digital technology is not "doing nothing", it will be its "power" to play all aspects of electronic sources, to show his infinite and unique charm. It can simulate the sound of traditional music instruments, but also ground-breaking "to create" nature does not have a voice. These results, we can ie large organ, synthesizer and other specialized equipment to hear, but also from small to doorbell, phone, etc. around us in everyday experience. So that the extended sound source, expand the scope of radio, networks, digital technology is playing its own role.
In audio editing, synthesis, effects processing and storage, networking, digital technology has greatly changed the traditional audio work. Synthesis of traditional audio production needs room Mixers , Effects, multi-track recorder such as a full set of professional equipment. Build an environment requires specialized space and equipment investment, invest hundreds of millions of common, cheap cost of just one. These specialized devices can not by a single person, you need more than professional sound engineer, together with the operating engineers, to complete daily recordings, and, such as removing noise, the sound fidelity guarantee and other issues, it is impossible to overcome difficulties . At the same time, save the tape after recording, but also a space for both charges, it is difficult to guarantee the quality of old problems.
The use of the Internet, digital audio production technology is much simpler. Multimedia computer installation and good quality sound card, microphone, speakers, together with audio production software can create high-quality audio programming. In other words, the past need to produce audio professionals, and digital and network technology reduces the complexity of production. General reporters and editors can work as sound engineer so. The virtual system is not only a price advantage, but fully functional, its audio quality can match a number of senior traditional audio equipment. Its price is compared with the traditional equipment, the more advantage.
In addition, with the networking and digital transformation of the audio content in digital storage and network management queries and also greatly changed the audio recording programs work.
2. Communication link The one hand, the traditional route of transmission of audio through the radio, TV station Way radio transmission, distribution and sales through other means such as tape on the market, CD , Records and so on.
However, with digital audio content and network development, especially streaming media technology to enrich and improve the audio channel of communication.
Streaming media (StreamingMedia), refers to the network using streaming technology, which the Internet to the way real-time data stream audio and video multimedia content to media, the continuous compressed video and audio information processing place after the network server, enabling visitors to watch while downloading, listening, and not to wait until the multimedia files can be downloaded immediately view multimedia files.
Streaming media technologies, so that the audio file to smooth the media in the network, broadcast in real time, on-line Live video And on-demand, online broadcast is a good example (see Figure). Streaming media technology allows Internet users do not have to wait long to download the case, can be achieved on the network to listen to audio files, this model enriches the traditional broadcast media.
