Noise Control in Industries by Adaptive MDCT Method
Journal Title: International Journal on Computer Science and Engineering - Year 2012, Vol 4, Issue 9
Abstract
Industrial noise induced hearing loss is an increasingly prevalent disorder that is the result of exposure to high intensity sounds, especially over a long period of time. .Noises of industry can cause partial deafness, interference with communication by speech and annoy. These undesirable effects are best avoided by reducing the noise to acceptable levels. Several investigations on industrial noise proved that industrial workers need at least 10-15 dB higher SNR (Signal to Noise Ratio) than the other places. The objective of this paper is to implement Modified Discrete Cosine Transformation Least Mean Square (MDCT-LMS) to reduce the effect of industrial noise and to improve overall sound quality of industrial workers. The computer simulated results show superior convergence characteristics of the adaptive complex transformation algorithm by improving the SNR at least 11dB for input SNR’s less than and equal to 0 dB, with excellent convergence ratio, better time and frequency characteristics. These results suggest that a headset with digital signal processing adaptive algorithm are useful for hearing protection in workplaces with high levels of wide band industrial noise.
Authors and Affiliations
G. Suresh
Keywords
Related Articles
- EP ID EP156130
- DOI -
- Views 138
- Downloads 0
Comparative study of Attacks on AODV-based Mobile Ad Hoc Networks
In recent years, the use of mobile ad hoc networks (MANETs) has been widespread in many applications, The lack of infrastructures in MANETs makes the detection and control of security hazards all the more difficult. The...
SCARP: Secure Congestion Aware Routing Protocol for Wireless Sensor Networks
Wireless sensor networks sense various kinds of information, process them locally and communicate it to the outside world via satellite or Internet. In the near future, sensor networks will play a major role in collecti...
AI based Digital Companding Scheme for OFDM system using custom constellation Mapping and selection
Data rate is important in telecommunication because it is irectly proportional to the cost of transmitting the signal. Saving bits is the same as saving money . In this paper we propose new digital companding scheme for...
Saturation Adaptive Quantizer Design for Synthetic Aperture Radar Data Compression
The essence of remote sensing resides in the acquisition of information about remote targets for further processing. As a high resolution microwave remote sensing instrument, the Synthetic Aperture Radar (SAR) has been m...
ROBOT NAVIGATION USING IMAGE PROCESSING AND ISOLATED WORD RECOGNITION
In this paper, a practical implementation of image processing and isolated word recognition has been explained. A modeled vehicle has been driven autonomously on the road and can navigate on a road on its own, stop at ze...