介绍了DCI规范的音频部分和广播WAVE文件格式,设计了一个基于FPGA和CS8406芯片的数字影院播放系统的音频解决方案,支持高音质(采样深度24bit)、多声道(多达16声道)、多采样率(48kHz和96kHz)的数字电影音频文件。测试结果表明,该系统能很好地还原数字电影的音质,满足数字电影市场的需求。
The technical specifications of the digital the DCI and the broadcast save format are described. cinema system launched by DCI, the audio specification of The way of the hardware design of the digital cinema audio player which supports the audio of high quality (24 bit/s), multi-channel(up to 16 channels), and two sampling rates (48 kHz and 96 kHz) are presented in detail. The result of the testing shows that this system works well and meets the requirements of the digital cinema.