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2004年4月15日,Intel在北京发布了其下一代音频技术标准——“Intel HighDefinition (HD) Audio”(Intel高保真音频,开发代号为Azalia)的最终规范1.0版本,以取代已沿用了近10年之久的AC’97规范,主要用于为PC、手持设备、家电等产品添加更加丰富的音频、调制解调器和通信等功能。有80多个PC及家电厂商、编解码器提供商、软件公司等参与了该标准的制定工作。 该规范不仅具有丰富的播放功能,还能提供更优质的话音输入和通信应用。通过体系结构的升级和带宽的提高,新规范
On April 15, 2004, Intel released the final specification version 1.0 of its next-generation audio technology standard, “Intel High Definition Audio (HD Audio),” code-named Azalia, in Beijing to replace the ones already in use Nearly 10 years of AC’97 specification, mainly for PC, handheld devices, appliances and other products to add more rich audio, modem and communications capabilities. More than 80 PC and appliance manufacturers, codec providers, software companies, etc. participated in the development of this standard. The specification not only has rich playback capabilities, but also provide better voice input and communication applications. Through the upgrading of the architecture and bandwidth, the new specification