一个可编程的编解码器信号处理器

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC Pub Date : 1996-02-08 DOI:10.1109/ISSCC.1996.488557

S. Norsworthy, L. E. Bays, J. Fischer

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引用次数: 1

摘要

Delta- Sigma (/spl Delta//spl Sigma/)编解码器传统上用于音频、语音和电信。最近，已经有几个商业推出的dsp具有片上/spl Delta//spl Sigma/编解码器，缺点是它们在控制抽取和插值比率或滤波器特性方面灵活性很小。引入了一种新的架构，将/spl Delta//spl Sigma/编解码器更紧密地融入到DSP中。

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A programmable codec signal processor

Delta-sigma (/spl Delta//spl Sigma/) codecs have traditionally been used in audio, speech, and telecommunications. More recently, there have been several commercial introductions of DSPs having an on-chip /spl Delta//spl Sigma/ codec with the shortcoming that they have little flexibility in controlling the decimation and interpolation ratios or filter characteristics. A new architecture is introduced that brings the /spl Delta//spl Sigma/ codec more intimately into the DSP.

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来源期刊

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC

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