Speech processing using wavelete transformation and its implementation in digital...
«Abstract. Normal cochlear function. Hearing aids. Analog hearing aids. Digital hearing aids. Speech enhancement using wavelet. Daubechies wavelet filter coefficients. Discrete wavelet transform. ...»
«Hearing impairment is the number one chronic disability affecting people in the world. Many people have great difficulty in understanding speech with background noise. This is especially true for a large number of elderly people and the...»
Implementation of vector quantization technique in image compression and speech...
«Abstract. Introduction. Codebook design. LBG algorithm. Mathematical analysis of LBG algorithm. Splitting codebook design. Experiment and output. Vector quantization in speech recognition. Algorithm. Pre processing. Mel frequency wrapping...»
«In this paper, we have described the application of Vector Quantization in Image and Speech processing. Compressing image data by using Vector Quantization (VQ)[1]-[3] will compare Training Vectors with Codebook. The result is an index of position...»
A report on activities on and around OFDM
«Introduction. Multi-path effect on high speed serial communication. Multi carrier transmission. OFDM implementation using DFT. Guard interval concept. Quality improvement techniques. Conclusion. References....»
«Multi-carrier communications are currently in a state of very rapid development, both in the introduction of new techniques and in application to a wide variety of channels and services. Orthogonal Frequency-Division Multiplexing (OFDM) is a...»
Wireless communication: Global positioning system
«Introduction. Meaning of global positioning system - GPS. Portable GPS uses. The future of GPS. Navigation systems and GPS signals. The GPS constellations. Applications. Conclusion. References....»
«GPS technology is one of the significant inventions of the twentieth century. GPS has become a popular device in western countries but has not yet reached the household of the common man in India. With globalization, GPS and its related technology...»
Science & technology
Performance analysis of OFDM...
«Abstract. Introduction. Block diagram of overall system. Comparison with CDMA. Stimulation results. Definition of multi-antena OFDM systems....
Auto negotiation in IEEE 802.3 based...
«Introduction. The auto-negotiation standard. The arbitration control. Recent developments. Conclusion. References....»
Mobile robotic arm and its future scope
«Introduction. Functions of mobile robot arm. Network through control. Speech through control. Conclusion. Referencing....»
Interactive information display...
«Abstract. Introduction. Block diagram and description. Configuring HyperTerminal for communication with the system. Software and description....
Security challenges in wireless...
«Introduction. Sensor network architecture and requirements. Security requirements. Obstacles of sensor security. Security issues and solutions....
Developing a high speed memory interface
«Introduction. Memory applications. DDR and DDR2 SDRAM controller. QDR SRAM memory controller. Dedicated double data rate I/O logic elements....