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Audio Signal Compression using DCT and LPC Techniques
http://ijettjournal.org/2015/volume-21/number-5/IJETT-V21P247.pdf#:~:text=Discrete%20Cosine%20Transform%20can%20be%20used%20for%20audio,in%20effective%20reduction%20of%20data.%20used%20in%20DCT.
Audio Compression using DCT & CS - IJERT
https://www.ijert.org/research/audio-compression-using-dct-cs-IJERTV4IS010061.pdf
This paper —describes the technique to apply DCT and CS techniques to the compression of audio signals. We present a study on compressed sensing of real, non-sparse, audio signals. With the help of spectral analysis and properties of the DCT, we can treat audio signals as sparse signals in the frequency domain.
Audio Compression Using DCT and DWT Techniques
https://www.iiste.org/Journals/index.php/JIEA/article/viewFile/12440/12768
Speech compression is performed in the following steps. • Transform technique • Thresholding of transformed coefficients • Quantization • Encoding Transform Technique DCT and DWT methods are used on speech signal. Using DCT, reconstruction of signal can be done very accurately; this property of DCT is used for data compression.
Audio compression using DCT - MathWorks
https://www.mathworks.com/matlabcentral/answers/615013-audio-compression-using-dct
frame=y ( [ (framesize* (i-1)+1):framesize*i]); end. end. You overwrite all of frame in each iteration. If that is your intention, you might as well do only the last iteration, i=M. Likewise your later code overwrites all of frame1. X=dct (y,32768); Your y is a vector so your X is a vector. A=idct (X,32768);
Audio Compression Algorithm using Discrete Cosine ...
https://ieeexplore.ieee.org/abstract/document/8862228/
Audio Compression Algorithm using Discrete Cosine Transform (DCT) and Lempel-Ziv-Welch (LZW) Encoding Method. Abstract: This paper proposes a new approach to Audio Compression that incorporates lossless text compression algorithm. The purpose of Audio Compression is to reduce the amount of data required to represent the digital audio by …
A simple code for Audio Compression using DCT - File ...
https://in.mathworks.com/matlabcentral/fileexchange/69263-a-simple-code-for-audio-compression-using-dct
A simple code for Audio Compression using DCT - File Exchange - MATLAB Central A simple code for Audio Compression using DCT version 1.0.0 (118 KB) by Majid Farzaneh A simple code for Audio Compression using Discrete Cosine Transform (DCT) and evaluating by psnr, mse 4.5 (4) 972 Downloads Updated 29 Oct 2018 View License Follow Download Overview
Audio Signal Compression using DCT and LPC Techniques
http://ijettjournal.org/2015/volume-21/number-5/IJETT-V21P247.pdf
DCT Discrete Cosine Transform can be used for audio compression because of high correlation in adjacent coefficients. We can reconstruct a sequence very accurately from very few DCT coefficients. This property of DCT helps in effective reduction of data. used in DCT.
(PDF) Audio and Speech Compression Using DCT and …
https://www.researchgate.net/publication/301552643_Audio_and_Speech_Compression_Using_DCT_and_DWT_Techniques
The signal is compressed by DWT techn ique afterward this compressed signal is again compressed b y DCT and then this compressed signal is decompressed using DWT technique. Performance of speech...
Audio Compression Using DCT and DWT Techniques | …
https://www.semanticscholar.org/paper/Audio-Compression-Using-DCT-and-DWT-Techniques-James-Thomas/b7098fab22f918e4bfc3ba5acb89d2fefa248987
This paper proposes an algorithm for the compression of audio signals using Discrete Cosine Transform (DCT) with temporal auditory masking (TAM) and evaluated the proposed algorithm using its compression ratio, peak signal to noise ratio …
Audio Signal Compression using DCT and LPC …
https://www.semanticscholar.org/paper/Audio-Signal-Compression-using-DCT-and-LPC-Rani/2411949de7a9c0dd9128e70fe54247fa92e4ad93
Computer Science Audio compression is designed to reduce the transmission bandwidth requirement of digital audio streams and storage size of audio files. Audio compression has become one of the basic technologies of the multimedia age to achieve transparent coding of audio and speech signals at the lowest possible data rates.
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