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xin qi jian bao dao
Author(s): JIANG Shan
Pages: 54-
55
Year: 1999
Issue:
8
Journal: Practical Audio-Visual Technique
Keyword: 立体声; 解码器; 芯片; 数字滤波器; 取样率; 输出缓冲放大器; 电源电压; 串行接口; 环绕声; 平面显示器;
Abstract: <正> WM8725/8733 24bit/96kHz立体声DAC芯片英国Wolfson Microelectronics公司(WWW.wolfson.co.uk.)最近推出的WM8725和WM8733立体声DAC芯片可处理24bit/8~96kHz取样率的数字音频信号,适用于DVD、VCD和环绕声播放机。这两种芯片都是Δ∑转换器,可减小时钟抖动,改善音质。它们内含可编程串行接口、数字滤波器和输出缓冲放大器,电源电压为3.3~5V。WM8725的信噪比是99db,WM8733则是103db,二者都采用
Citations
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