The integer MDCT and its application in the MPEG layer III audio

Soontorn Oraintara; Tharakram Krishnan

The integer MDCT and its application in the MPEG layer III audio

Soontorn Oraintara
, Tharakram Krishnan

University of Texas at Arlington College of Engineering

Research output: Contribution to journal › Conference article › peer-review

6 Citations (Scopus)

Abstract

The MPEG audio layer III is an efficient audio coding scheme which gives perceptually high quality audio while achieving very high compression. The modified discrete cosine transform (MDCT) is a filterbank used by the MPEG audio layer III to provide finer spectral resolution by subdividing in frequency the subband outputs from the previous layers. Recently fast and lossless structures for the MDCT used in the layer III have been developed which use integer coefficients for their implementation. In this paper we evaluate the performance of the integer implementation of the MDCT by incorporating in the MPEG layer III codec and compare with that of a standard implementation. The comparison is done based on the decoded waveform, spectrogram and by conducting a subjective survey. The complexity of the lossless structure is also evaluated.

Original language	English
Pages (from-to)	IV301-IV304
Journal	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	4
Publication status	Published - 2003
Externally published	Yes
Event	Proceedings of the 2003 IEEE International Symposium on Circuits and Systems - Bangkok, Thailand Duration: 25 May 2003 → 28 May 2003

Keywords

Discrete Cosine transform
Discrete Sine transform
Lifting scheme
Modified Discrete Cosine Transform

Cite this

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title = "The integer MDCT and its application in the MPEG layer III audio",

abstract = "The MPEG audio layer III is an efficient audio coding scheme which gives perceptually high quality audio while achieving very high compression. The modified discrete cosine transform (MDCT) is a filterbank used by the MPEG audio layer III to provide finer spectral resolution by subdividing in frequency the subband outputs from the previous layers. Recently fast and lossless structures for the MDCT used in the layer III have been developed which use integer coefficients for their implementation. In this paper we evaluate the performance of the integer implementation of the MDCT by incorporating in the MPEG layer III codec and compare with that of a standard implementation. The comparison is done based on the decoded waveform, spectrogram and by conducting a subjective survey. The complexity of the lossless structure is also evaluated.",

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note = "Proceedings of the 2003 IEEE International Symposium on Circuits and Systems ; Conference date: 25-05-2003 Through 28-05-2003",

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T1 - The integer MDCT and its application in the MPEG layer III audio

AU - Oraintara, Soontorn

AU - Krishnan, Tharakram

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N2 - The MPEG audio layer III is an efficient audio coding scheme which gives perceptually high quality audio while achieving very high compression. The modified discrete cosine transform (MDCT) is a filterbank used by the MPEG audio layer III to provide finer spectral resolution by subdividing in frequency the subband outputs from the previous layers. Recently fast and lossless structures for the MDCT used in the layer III have been developed which use integer coefficients for their implementation. In this paper we evaluate the performance of the integer implementation of the MDCT by incorporating in the MPEG layer III codec and compare with that of a standard implementation. The comparison is done based on the decoded waveform, spectrogram and by conducting a subjective survey. The complexity of the lossless structure is also evaluated.

AB - The MPEG audio layer III is an efficient audio coding scheme which gives perceptually high quality audio while achieving very high compression. The modified discrete cosine transform (MDCT) is a filterbank used by the MPEG audio layer III to provide finer spectral resolution by subdividing in frequency the subband outputs from the previous layers. Recently fast and lossless structures for the MDCT used in the layer III have been developed which use integer coefficients for their implementation. In this paper we evaluate the performance of the integer implementation of the MDCT by incorporating in the MPEG layer III codec and compare with that of a standard implementation. The comparison is done based on the decoded waveform, spectrogram and by conducting a subjective survey. The complexity of the lossless structure is also evaluated.

KW - Discrete Cosine transform

KW - Discrete Sine transform

KW - Lifting scheme

KW - Modified Discrete Cosine Transform

UR - https://www.scopus.com/pages/publications/17744416611

M3 - Conference article

AN - SCOPUS:17744416611

SN - 0271-4310

VL - 4

SP - IV301-IV304

JO - Proceedings - IEEE International Symposium on Circuits and Systems

JF - Proceedings - IEEE International Symposium on Circuits and Systems

T2 - Proceedings of the 2003 IEEE International Symposium on Circuits and Systems

Y2 - 25 May 2003 through 28 May 2003

ER -

The integer MDCT and its application in the MPEG layer III audio

Abstract

Keywords

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