Audio File Compression using DCT in MATLAB
Audio compression is data compression designed to reduce the transmission bandwidth requirement of digital audio streams and the storage size of audio files. The Discrete Cosine Transform DCT is a first-level approximation to mpeg audio compression, which are more sophisticated forms of the basic principle used in DCT. This discrete cosine Transform Audio Compression is performed in MATLAB. It takes a wave file as input, compress it to different levels and assess the output that is each compressed wave file. The difference in their frequency spectra will be viewed to assess how different levels of compression affect the audio signals.
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