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| ADI语音识别解决方案 | |||||
作者：ADI 文章来源：本站 点击数： 更新时间：2007-3-18  |
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 Speech Recognition and Text-to-Speech applications are based on complex algorithms running on a high performance DSP. Analog Devices’ DSPs have serial ports, substantial memory and analog interfaces on a single chip, which allows you to design your next generation single-chip solution. The key analog components in these applications are audio amplifiers and codecs for both speech inputs/outputs and background sound sensing. Analog Devices has a broad selection of analog components to complement any DSP. Application Notes AN-131: A Two-Channel VCA Level (Volume) Control Circuit (pdf, 120,972 bytes) AN-127: An Unbalanced Mute Circuit for Audio Mixing Channels (pdf, 144,963 bytes) AN-121: High Performance Stereo Routing Switcher (pdf, 144,083 bytes) AN-726: Triple-Supply Power-Good Indication with the ADM108x (pdf, 77,150 bytes 1 HS ADC (1) A/D Converters: High-Resolution Sigma-Delta A/D AD7142 AD73460 AD7701 (2) A/D Converters: High-Resolution SAR A/D AD7612 AD7663 AD7664 2 Signal Processing and Data Formatting Processor ADSP-BF531 ADSP-BF532 ADSP-BF533 3 Audio Processor ADSP-BF531 ADSP-BF532 ADSP-BF533 4 Clock Distribution (1) Direct Digital Synthesizers AD9831 AD9832 AD9833 (2)Clock Distribution ICs AD9510 AD9511 AD9512 5 Audio Amp SSM2165 SSM2166 SSM2167 6 CODEC AD1839A AD1838A AD1837A 7 Audio Amp (1) Audio: Audio Performance Amp AD8675 OP37 AD8674 (2) Audio Power Amplifiers AD1990 AD1991 AD1992 |
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