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Coprocessor

A technology of coprocessor and selector, which is applied in the direction of instruments, speech analysis, and non-contact manufacturing equipment for calculation, etc., to achieve the effect of expanding versatility, improving performance, and reducing power consumption

Inactive Publication Date: 2009-05-20
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to achieve real-time processing of the speech recognition system, the existing technology can only use DSP to calculate the Mahalanobis distance

Method used

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Embodiment Construction

[0051] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0052] This embodiment provides a coprocessor, which adopts a standard SRAM (Static Random Access Memory, static random access memory) interface, and can be used in cooperation with various microcontrollers MCU. The coprocessor is controlled by register programming and can complete Mahalanobis distance operation and vector multiply and accumulate operation.

[0053] see image 3 , the coprocessor is made up of the following parts: storage module 100, address generation module 200, register set module 300, control circuit module 400 and calculation module 500, also includes internal address bus: A1 in the figure, external address bus:

[0054] A2, internal data bus: B1, external data bus: B2, internal control bus: C1, external control ...

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Abstract

The invention discloses a protocol processor in the integrated circuit design domain, which comprises the following parts: memory mode, address generating mode, register mode, control circuit mode and calculating mode. The invention can improve the property of inserted voice identifying system based on martensite distant calculation and multiplication accumulation calculation of HMM voice identifying algorism, which has wide uniformity, low cost and low energy consumption.

Description

technical field [0001] The invention belongs to the field of VLSI SOC (System On Chip, system on chip) design in the field of information technology, in particular to the application field of a new generation of embedded speech recognition, especially a HMM (Hidden Markov Models, Hidden Markov model) Mahalanobis distance calculation and vector multiply-accumulate coprocessor. Background technique [0002] The research of embedded speech recognition system has always been an important development direction of the application of speech recognition technology. It provides good human-computer voice interaction for mobile and miniaturized products, such as the third generation of intelligent language learning machines, voice dialing of telephones, voice retrieval of entertainment products such as mp3, vehicle voice control systems, smart toys and home appliances Voice remote control, etc. In recent years, due to the improvement of embedded MCU (Micro Controller Unit, microcontr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F7/52G10L15/14
Inventor 董明梁维谦李鹏智强刘润生
Owner TSINGHUA UNIV