发明名称 |
Apparatus for sample rate conversion |
摘要 |
An apparatus and method for digital mixing and sample rate conversion in a computer system is disclosed. The fully digital mixer of the present invention comprises: 1) a digital input receiver for receiving a plurality of digital data input signals and a corresponding plurality of input clock signals. The digital input receiver also receives an output clock signal. The digital input receiver further includes a data rate converter for converting the plurality of digital data input signals to a sampling rate corresponding to the output clock signal. The data rate converter produces a plurality of converted digital data output signals; 2) a digital filter unit coupled to the digital input receiver. The digital filter unit includes a plurality of digital filters for filtering the plurality of converted digital data output signals to produce a plurality of filtered digital data output signals; and 3) a digital blending unit coupled to the digital filter unit. The digital blending unit includes logic for combining the plurality of filtered digital data output signals to produce a mixed digital output signal.
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申请公布号 |
US5621805(A) |
申请公布日期 |
1997.04.15 |
申请号 |
US19940255258 |
申请日期 |
1994.06.07 |
申请人 |
AZTECH SYSTEMS LTD. |
发明人 |
LOH, NGIANG G.;HENRIKSEN, JESPER B. |
分类号 |
G10H1/12;G10H7/00;G11B27/031;(IPC1-7):G11B27/031;G10L3/02;G10F1/08 |
主分类号 |
G10H1/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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