Keywords2014 tv as wireless monitor

system consists of wireless transmission of bidirectional wireless transmission of voice and images of two parts,2014 tv as wireless monitor, the staff in the monitoring center can easily monitor to some other poor environments, the timely processing of all kinds of accidents,2014 security monitoring systems, ensure the operation safety.

in wireless sensor networks, low rate and short distance ZigBee technology is one of the preferred technology for wireless communication. This design to ensure the safety of real-time monitoring as the starting point,2014 best wireless surveillance cameras for home, the use of Zigbee technology,2014 wireless receiver dvr, wireless transmission to the nodes of wireless sensor network for voice and image.

embedded microprocessor with low power consumption and high performance TMS320VC5416 fixed-point TI company. The DSP uses a dual power supply,2013 home surveillance cameras wireless, respectively is two part of core power 1.6V and I/O power 3.3V. The main characteristics are: speed up to 160MIPS; 3 16bit data memory bus and 1 program memory bus; 1 40bit barrel shifter and 2 40bit accumulator; 1 17× 17 multiplier and 1 40bit dedicated adder; 8M× extended addressing space, 16bit's built-in 128K× 16bit RAM and 16K× 16bit ROM; 3 multichannel buffered serial port (McBSP); with PCM3002 Monolithic Low Power Stereo Audio Codec, can be A/D and D/A transformation of speech.

Wireless transmission of voice to wireless voice transmission

RF transceiver module selects conforms to IEEE802.15.4 standard IP-Link1221>

operational amplifier for speech signals received by the microphone to amplify and interference cancellation; audio codec for speech signal A/D,2014 home security camera outdoor, D/A and audio signal coding, decoding; embedded microprocessor by wireless voice transmission device selection

embedded microprocessor and RF transceiver module as the core, amplifier, filter circuit, audio with external codec is implemented, the overall structure is shown in figure 1.

diagram of

published: 2013-7-15 22:50 Publisher: 1770309616

Fig. 1

ZigBee speech video wireless monitoring system

wireless voice transmission system

The design and implementation of

ZigBee technology voice and image systemThe

1,2013 security cameras for homes.ZigBee TechnologyThe overall structure of

ZigBee, speech and image, wireless monitoring system

Keywords: Realization of wireless voice transmission and

in the bad environment,2014 sd card security camera, temperature, pressure,2013 best buy security camera, humidity, vibration, noise and electromagnetic factors that may change,2013 cctv cameras perth, to set up monitoring system using the network technology,