Audio Compression on Multimedia Compression Techniques

Author:

Hema P 1,Kala L 1

Affiliation:

1. NSS College of Engineering, Palakkad, India

Abstract

Recently, the study of audio compression has become more prominent. Today's apps make use of advancements in audio signal processing, including advanced audio coding (AAC), perceptual audio coding techniques (MP3 encoding), internet radio, and other lossless audio coding systems. In this essay, we provide a summary and contrast the algorithms Huffman and Arithmetic. The method is used with a comparison of the two algorithms, Huffman and Arithmetic, on raw WAV files. The fundamental objective of the steganography technique is to increase the security of the transmitted data. Unauthorized users are unable to access or misuse the steganographic file. Audio steganography is applicable to non-technical areas as well in order to protect the privacy and confidentiality of the data. This paper also includes a review of recent work on audio steganography. For database applications like storage and transfer, audio compression is essential. This essay discusses how compression techniques are applied to audio using various transform coding and focuses on the advantages of transform coding in compared to current methods. By using the transform coding technique, numerous attempts have been made to completely eradicate or minimize audio noise, and the study has produced a number of fruitful results. Examining current fractal coding techniques for digital multimedia compression is the aim of the fractional compression study. It discusses strategies for reducing encoding time, which is considered to be the primary challenge in fractal compression, as well as suggested fractal coding techniques in the audio and image domains. In order to use the most widely used communication platforms, large audio file sizes must be transferred via digital audio; this poses substantial challenges for storage and preservation. This article makes good use of audio.It is advised to use a mixed transform coding scheme as a compressive method. The audio file size was greatly decreased while maintaining high quality, and the compression results are promising. The cascaded prediction approach was improved and reported in Audio Compression utilizing OLS+ and CDCCR Method. Comparing three primary predictor block types with varying levels of complexity included two complicated prediction tech- niques with backward adaptation, namely extended Active Level Classification. Extended Ordinary Least Square (OLS+) and the Extended ALCM+ Model

Publisher

Naksh Solutions

Subject

General Medicine

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