A survey of efficient MDCT implementations in MP3 audio coding standard: Retrospective and state-of-the-art

V Britanak - Signal Processing, 2011 - Elsevier
This tutorial paper describes various efficient implementations (published and new
unpublished) of the forward and backward modified discrete cosine transform (MDCT) in the …

Type-IV DCT, DST, and MDCT algorithms with reduced numbers of arithmetic operations

X Shao, SG Johnson - Signal Processing, 2008 - Elsevier
We present algorithms for the type-IV discrete cosine transform (DCT-IV) and discrete sine
transform (DST-IV), as well as for the modified discrete cosine transform (MDCT) and its …

Cosine-/Sine-Modulated Filter Banks

V Britanak, KR Rao - Cham: Springer International Publishing, 2018 - Springer
Analysis and synthesis cosine-/sine-modulated filter banks are perfect reconstruction filter
banks that are used for the time-to-frequency transformation of an audio data block, and vice …

Common architecture design of novel recursive MDCT and IMDCT algorithms for application to AAC, AAC in DRM, and MP3 codecs

SC Lai, SF Lei, CH Luo - … on Circuits and Systems II: Express …, 2009 - ieeexplore.ieee.org
This paper presents a novel recursive algorithm to compute the modified discrete cosine
transform (MDCT) and the inverse MDCT (IMDCT) based on type IV of the discrete cosine …

New universal rotation-based fast computational structures for an efficient implementation of the DCT-IV/DST-IV and analysis/synthesis MDCT/MDST filter banks

V Britanak - Signal Processing, 2009 - Elsevier
New universal rotation-based fast computational structures identical both for the discrete
cosine/sine transform of type IV (DCT-IV/DST-IV) and the forward/backward modified …

New Systolic Array Algorithms and VLSI Architectures for 1-D MDST

DF Chiper, A Cracan - Sensors, 2023 - mdpi.com
In this paper, we present two systolic array algorithms for efficient Very-Large-Scale
Integration (VLSI) implementations of the 1-D Modified Discrete Sine Transform (MDST) …

ECG signal compression using combined modified discrete cosine and discrete wavelet transforms

SM Ahmed, AF Al-Ajlouni, M Abo-Zahhad… - Journal of medical …, 2009 - Taylor & Francis
A new hybrid two-stage electrocardiogram (ECG) signal compression method based on the
modified discrete cosine transform (MDCT) and discrete wavelet transform (DWT) is …

Low complexity and fast computation for recursive MDCT and IMDCT algorithms

SF Lei, SC Lai, PY Cheng… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Fast algorithms are derived for modified discrete cosine transform (MDCT) and inverse
MDCT (IMDCT) in this brief. The proposed algorithms based on type II discrete cosine …

Fast computational structures for an efficient implementation of the complete TDAC analysis/synthesis MDCT/MDST filter banks

V Britanak, HJL Arriëns - Signal Processing, 2009 - Elsevier
A new fast computational structure identical both for the forward and backward modified
discrete cosine/sine transform (MDCT/MDST) computation is described. It is the result of a …

A new integer algorithm for a VLSI implementation of DCT using obfuscation technique

DF Chiper, A Cracan - 2022 14th International Conference on …, 2022 - ieeexplore.ieee.org
A new Very Large-Scale Integration (VLSI) algorithm for an integer based discrete cosine
transform (IntDCT) allowing an effective VLSI implementation based on systolic array is …