Per Ekstrand

发表

Methods and apparatus for spectral band and high-frequency reconstruction based audio coding by adaptive adding noise and limiting the noise substitution

Kristofer Kjoerling, Fredrik Henn, Lars Liljeryd, 2000 .

A New Parametric Stereo and Multichannel Extension for MPEG-4 Enhanced Low Delay AAC (AAC-ELD)

Heiko Purnhagen, Jonas Engdegard, Johannes Hilpert, 2010 .

Att vara eller arbeta som manlig sjuksköterska

Per Ekstrand, 2010 .

An Overview of the Coding Standard MPEG-4 Audio Amendments 1 and 2: HE-AAC, SSC, and HE-AAC v2

Jeroen Breebaart, Heiko Purnhagen, Fredrik Henn, 2009, EURASIP J. Audio Speech Music. Process..

Enhancing MP3 with SBR: Features and Capabilities of the New MP3PRO Algorithm

Andreas Ehret, Per Ekstrand, Manfred Lutzky, 2002 .

Improving perceptual of SBR (spectral band replication) and HFR (höjfrekvensrekonstruktion) code approaches to adaptive basisstöjaddition and stöjsubstitutionsbegrænsning

Kristofer Kjoerling, Fredrik Henn, Lars Liljeryd, 2000 .

effective coding using a special envelope resolution time / frequency variable.

Kristofer Kjörling, Fredrik Henn, Lars Liljeryd, 2000 .

A method and apparatus for reducing the data flow based on the harmonic bandwidth expansion

Kristofer Kjoerling, Per Ekstrand, Lars Gustaf Liljeryd, 1998 .

Improving the perceptual quality of SBR (spectral band replication), and HFR (high frequency reconstruction) coding methods by adaptive adding noise and limiting the noise substitution

Kristofer Kjoerling, Fredrik Henn, Lars Liljeryd, 2000 .

Modulated filter bank with low delay

Per Ekstrand, 2010 .

Methods for enhanced harmonic transposition

Per Hedelin, Per Ekstrand, Lars F. Villemoes, 2011, 2011 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA).

Improving the perceptual performance of high frequency reconstruction coding process by adaptive filter

Lars Villemoes, Kristofer Kjoerling, Fredrik Henn, 2001 .

Encoding or decoding audio signals.

Heiko Purnhagen, Lars Villemoes, Erik Gosuinus Petrus Schuijers, 2004 .

Improved perceptual performance coding methods and HFR sbr related by addition of adaptive background noise and limiting the noise substitution.

Fredrik Henn, Kristofer Kjörling, Lars Liljeryd, 2000 .

Delayless Mixing - On the Benefits of MPEG-4 AAC-ELD in High Quality Communication Systems

Ralf Geiger, Markus Schmidt, Fredrik Henn, 2008 .

AC-4 – The Next Generation Audio Codec

Scott G. Norcross, Jeroen Gerardus Henricus Koppens, Mark Stuart Vinton, 2016 .

Delivering Scalable Audio Experiences using AC-4

Nicolas Tsingos, Jeffrey Riedmiller, Kristofer Kjörling, 2017, IEEE Transactions on Broadcasting.

QMF Based Harmonic Spectral Band Replication

Sascha Disch, Frederik Nagel, Lars Villemoes, 2011 .

Method and apparatus for improving the efficiency and audio quality of the audio encoder

Kristofer Kjoerling, Per Ekstrand, Lars Gustaf Liljeryd, 1999 .

"Bara det svänger så"- Fem jazzmusikers relation till jazzen i 1960-talets Malmö

Per Ekstrand, 2011 .

BANDWIDTH EXTENSION OF AUDIO SIGNALS BY SPECTRAL BAND REPLICATION

Per Ekstrand, 2002 .

Audio Coding Methods and apparatus for spectral band replication and höjfrekvensrekonstruktion using adaptive basisstöj and stöjsubstitutionsbegrænsning

Kristofer Kjoerling, Fredrik Henn, Lars Liljeryd, 2000 .

Reconstruction of höjfrekvenskomponenter

Kristofer Kjoerling, Per Ekstrand, Holger Hoerich, 2002 .

Improvement of source coding systems by adaptive transposition

Lars Villemoes, Kristofer Kjoerling, Fredrik Henn, 2001 .

MPEG-4 Enhanced Low Delay AAC - A New Standard for High Quality Communication

Ralf Geiger, Markus Schmidt, Vesa Ruoppila, 2008 .