Hardware Realization of Adaptive Processing for
Noise Elimination using TMS320C6713 DSP
Journal:
GRENZE International Journal of Engineering and Technology
Authors:
Swati S. Godbole, Jaya R. Surywanshi
Volume:
6
Issue:
2
Grenze ID:
01.GIJET.6.2.503_1
Pages:
203-213
Abstract
Every day, we knowledge the property of acoustic noise whereas communicating
on portable phones be it a moving vehicles. In reality, it is there even having conversation on
a noisy telephone control. This noise pollutes the unique information carrying signal with
noise starting its nearby atmosphere. Allowing for, a classification has been developed to
discriminate a original signal from other noise sources or intrusive signals in an audio noisy
surroundings. The hardware design to implement such a system is a tough task in real-time
realistic noise deletion applications. Thus, this Article describe the real-time Architecture
design to implement Adaptive Noise deletion method which considers the Least Mean
Square (LMS) algorithm as a bench mark on TMS320C6713 DSP, to eliminate unwanted
noise from the receiver for different audio associated applications.
For the research affirmation, we used Texas Instruments’ integrated development
environment (IDE), and Code Composer Studio (CCS) for TMS320C6713 Digital Signal
Processing Starter Kit (DSK) as the objective board. Three different cases are conceded by
considering different audio inputs to test the effectiveness of the considered ANC
arrangement. The Code Composer Studio is used to implement Least Means Square
Algorithm , and realize with the DSP C6713. A 300, 500, 800Hz,1, 3KHz sound signals
and male- vocalization signals are taken as the bench mark inputs, to map out the noise of
the signal till it is disappeared. Hence, the preferred signal can be prevail. outcome of this
research specify that the adaptive noise eliminator can eliminate the noise from signal
expediently and in point of fact. The concert of ANC system is calculated in terms of
different parameters like 1) convergence speed, and the2) order of the filter and 3) S/N
ratio. The intended system expresses a note worthy level of enhancement in S/N Ratio
(SNR). Hence, the S/N ratio of the processed signal using LMS adaptive filter progressed by
3 to 9 dB. The results are the visual proof of the Architecture and LMS algorithm
performance under different cases.