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Speech recognition hardware

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tarang

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hm2007

Hey i have one question.

I have a project on speech recognition....and we have to make the recognition board from scratch....

If we use the DSP controller such as HM2007 or SENSORY's RSC Microcontrollers, do we have to use any extra sound card ( for ADC, pre-filtering)?

Also how can we implement Filters and Framing/Windowing to obtain speech samples?
Do we need FPGA or EPROM?

thanx
 

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