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Design, Smart Home System Based On Spce061a

Posted on:2008-04-30Degree:MasterType:Thesis
Country:ChinaCandidate:M LiuFull Text:PDF
GTID:2192360212999014Subject:Physical Electronics
Abstract/Summary:PDF Full Text Request
With the rising of the living standard of people and the development of the technology in electronic and communication, the smart home system is admitted by people gradually. However, the man-machine conversation is still rest on manual acting, such as key-press, touching screen and so on, the man-machine conversation has not been realized actually. In order to accommodate this command of people, we need to add the technology of speech-recognition to the smart home system. Aiming at the status, this paper mainly deploys the following researches:First, making good use of the SPCE061 A, which has the peculiarity of dealing with speech signal, we design a smart home system to recognize and carry through the speech dictation of people. This improves the man-machine conversation consumedly. The veracity of the system can reach to 80% by test.Second, having designed a system, which can realize long-rang control and automatic alarm. This system organizes a net with power line and telephone line. With a Dual Tone Multi-Frequency (DTMF) chip MT8880 and the home automation modem ST7537HS1 to make the home equipment, the sense organ, and the transmission line incorporate. Using the 220V power line, which is already existing as the communication bus to realize the syncretism of the communication line and the power line. No extra wire is needed in this system, so the structure of the system is very simple.Third, the soft program is based on the unspIDE2.0.0, and commixes the compilation and c language, the bottom drive program is made by compilation language and gives an interface to the c function. The program of speech is given by function library. We create a model of speech command before the program starts as the SPCE061A has packaged speech play and recognition functions. The model includes attention programs of speech command and command of operational program. In the program, the speech recognition and play multiplex . the interruption of TimerA FIQ, and we judge play and recognition by the flag bit. We are the first to use SPCE061A to realize the speech recognition application in the smart house in this paper. Every interface circuit (such as the circuit of ring detection, analog packing and hitching, speech prompting, DTMF coding and decoding and so on) of the system has been tested online, and all of the circuits are practical. This system has realized the consummate function using the simplest circuit and the cheapest chip. Compared with the traditional system, this system has the merit such as good man-machine conversation, simple structure, good reliability and high ratio of performance to price and so on, all of these make it very easily to extend and use.
Keywords/Search Tags:SPCE061A, smart home, speech recognition, power line carrier, Dual Tone Multi-Frequency(DTMF)
PDF Full Text Request
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