Implementation of Audio Compression using Wavelet

Abstract

The need to transmit audio signal has increased tremendously over the past decade. In view of this, audio compression is a sure technology of the multimedia age which facilitates ease of transmission. The change in the telecommunication infrastructure, in recent years, from circuit switched to packet switched systems has also reflected on the way that speech and audio signals are carried in present systems. In many applications, such as the design of multimedia workstations and high quality audio transmission and storage, the goal of audio compression is to encode audio data to take up less storage space and less bandwidth for ease of transmission. This paper presents the implementation of audio compression using wavelet. The implement-tation procedure, the Matlab code and the results obtained are duly presented and discussed. The final results indicate that a good reconstruction was performed and the performance of the wavelet was excellent with the performance variables all in the region well above 60%. CCS Concepts • Hardware ➝ Communication hardware, interfaces and storage ➝ Signal processing systems ➝ Digital Signal Processing