The need for audio compression is still a vital issue, because of its significance in reducing
the data size of one of the most common digital media that is exchanged between distant …

The domain-range affine mapping step of the fractal encoding process is the core step and
the most costly one; it is inhibitive due to the large number of involved calculations. This …

The paper presents integration of Discrete Wavelet Cosine Transform technique and
Bacterial Foraging Algorithm (BFO) for the development and optimization of speech coder. It …

Traditional Indian musical instrument is one of the oldest musical instruments in the world.
The musical instruments have their own importance in the field of music. Traditional Indian …

Speech compression techniques based on the traditional psychoacoustic model have been
proposed by many researchers. We propose the Discrete Wavelet Transform (DWT) …

Wireless Transmission of a speech signal with low Bit Error Rate is one of the major
challenges in Communication Systems particularly in cellular environment. In this paper a …

Audio Compression is one of the basic technologies of the modern telecommunication age.
Compression is the technique to convert high input data stream into smaller size. Audio …

Globally considered as one of the key technologies in the field of wireless communications,
cognitive radio has the capability to solve the issues related to radio spectrum scarcity with …

For both human beings and birds, sound is the most affective mode for communication over
long distances. The aim of this research is to investigate the quality of the speech of parrots …

Fractal coding has been used for years in the field of compression. Many researchers and
programmers considered this algorithm as a promising base of their work, but they noticed …