With digital audio and video recordings and music products of mass production and distribution of audio data copyright protection has become more important than ever.
随着数字化音像制品和音乐制品的大量制作和发行，音频数据的版权保护显得越来越重要。
Xiamen ranks among the top ones in China in terms of the production and sales of digital audio-video equipment, capacitors, IC fix frames, relays and photo- electric equipments.
数字视听、电容器、IC引线框架、继电器、光电器材等产销量均居中国前列。
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