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检索条件"主题词=Audio coding"
1195 条 记 录,以下是51-60 订阅
SIGNAL-ADAPTIVE TRANSFORM KERNEL SWITCHING FOR STEREO audio coding
SIGNAL-ADAPTIVE TRANSFORM KERNEL SWITCHING FOR STEREO AUDIO ...
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IEEE Workshop on Applications of Signal Processing to audio and Acoustics (WASPAA)
作者: Helmrich, Christian R. Edler, Bernd Univ Erlangen Nurnberg Int Audio Labs Erlangen Wolfsmantel 33 D-91058 Erlangen Germany
Modern stereo and multi-channel perceptual audio codecs utilizing the modified discrete cosine transform (MDCT) can achieve very good overall coding quality even at low bit-rates but lack efficiency on some material w... 详细信息
来源: 评论
A ROBUST SPEECH/MUSIC DISCRIMINATOR FOR SWITCHED audio coding  23
A ROBUST SPEECH/MUSIC DISCRIMINATOR FOR SWITCHED AUDIO CODIN...
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23rd European Signal Processing Conference (EUSIPCO)
作者: Fuchs, Guillaume Fraunhofer Inst Integrierte Schaltungen IIS Erlangen Germany
Switching between speech coding and generic audio coding schemes was recently proven to be very efficient for coding a large range of audio materials at low bit-rates. However, it strongly relies on a robust classific... 详细信息
来源: 评论
audio/Speech coding using the Matching Pursuit with Frame-Based Psychoacoustic Optimized Time-Frequency Dictionaries and its Performance Evaluation
Audio/Speech Coding using the Matching Pursuit with Frame-Ba...
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20th IEEE Conference on Signal Processing - Algorithms, Architectures, Arrangements, and Applications (SPA)
作者: Petrovsky, Alexey Herasimovich, Vadzim Petrovsky, Alexander Belarusian State Univ Informat & Radioelect Dept Comp Engn Minsk BELARUS
This paper presents an audio/speech coding algorithm using the matching pursuit with the dynamic dictionary forming based on wavelet packet decomposition and its performance evaluation. The proposed methodology for se... 详细信息
来源: 评论
SIGNAL-ADAPTIVE SWITCHING OF OVERLAP RATIO IN audio TRANSFORM coding  41
SIGNAL-ADAPTIVE SWITCHING OF OVERLAP RATIO IN AUDIO TRANSFOR...
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41st IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
作者: Helmrich, Christian R. Edler, Bernd Friedrich Alexander Univ Erlangen Nurnberg Int Audio Labs Erlangen Wolfsmantel 33 D-91058 Erlangen Germany
Contemporary perceptual audio coders, all of which apply the modified discrete cosine transform (MDCT), with an overlap ratio of 50%, for frequency-domain quantization, provide good coding quality even at low bit-rate... 详细信息
来源: 评论
SPARSE DECOMPOSITION OF audio SIGNALS USING A PERCEPTUAL MEASURE OF DISTORTION. APPLICATION TO LOSSY audio coding  18
SPARSE DECOMPOSITION OF AUDIO SIGNALS USING A PERCEPTUAL MEA...
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18th International Conference on Digital audio Effects (DAFx)
作者: Toumi, Ichrak Derrien, Olivier CNRS LMA 31 Chemin Joseph Aiguier F-13402 Marseille 20 France Univ Toulon & Var F-13402 Marseille 20 France
State-of the art audio codecs use time-frequency transforms derived from cosine bases, followed by a quantification stage. The quantization steps are set according to perceptual considerations. In the last decade, sev... 详细信息
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Neural Speech coding for Real-Time Communications Using Constant Bitrate Scalar Quantization
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IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING 2024年 第8期18卷 1462-1476页
作者: Brendel, Andreas Pia, Nicola Gupta, Kishan Behringer, Lyonel Fuchs, Guillaume Multrus, Markus Fraunhofer Inst Integrated Circuits IIS Erlangen Fraunhofer IIS D-91058 Erlangen Germany
Neural audio coding has emerged as a vivid research direction by promising good audio quality at very low bitrates unachievable by classical coding techniques. Here, end-to-end trainable autoencoder-like models repres... 详细信息
来源: 评论
New Highly Efficient Hybrid Lossless audio coding Techniques  1
New Highly Efficient Hybrid Lossless Audio Coding Techniques
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1st URSI Atlantic Radio Science Conference (URSI AT-RASC)
作者: Elsayed, Hend A. Delta Univ Sci & Technol Fac Engn Dept Commun & Comp Engn Mansoura Egypt
In this paper two new highly efficient hybrid lossless audio coding techniques based on the Burrows-Wheeler Transform (BWT) and the distance transform (DT) are presented. In both techniques, floating point samples of ... 详细信息
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Engaging Students in audiovisual coding Through Interactive MATLAB GUIs
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IEEE ACCESS 2025年 13卷 8158-8168页
作者: Cuevas, Carlos Cortes, Carlos Garcia, Narciso Univ Politecnicade Madrid UPM Informat Proc & Telecommun Ctr IPTC Grp Tratamiento Imagenes GTI Madrid 28040 Spain Univ Politecnicade Madrid UPM ETSI Telecomunicac Madrid 28040 Spain
Traditional educational methods in higher education, such as lectures and hands-on exercises, often struggle to fully engage students or address the complexities inherent in audiovisual signal coding. This gap undersc... 详细信息
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A neural coding method based on feature sensing
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IET COMMUNICATIONS 2025年 第1期19卷
作者: He, Dongbin Hu, Aiqun Sheng, Kaiwen Southeast Univ Sch Informat Sci & Engn Nanjing Peoples R China Southeast Univ Frontiers Sci Ctr Mobile Informat Commun & Secur Nanjing Peoples R China
The novel network contains many sensors, which greatly heightens data transmission burdens. Some networks require the data perceived by sensors for a period to make decisions. Drawing inspiration from the human neural... 详细信息
来源: 评论
A QUASI-ORTHOGONAL, INVERTIBLE, AND PERCEPTUALLY RELEVANT TIME-FREQUENCY TRANSFORM FOR audio coding  23
A QUASI-ORTHOGONAL, INVERTIBLE, AND PERCEPTUALLY RELEVANT TI...
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23rd European Signal Processing Conference (EUSIPCO)
作者: Derrien, Olivier Necciari, Thibaud Balazs, Peter Univ Toulon & Var Marseille France Lab Mecan & Acoust CNRS Marseille France Acoust Res Inst OAW Vienna Austria
We describe ERB-MDCT, an invertible real-valued time frequency transform based on MDCT, which is widely used in audio coding (e.g. MP3 and AAC). ERB-MDCT was designed similarly to ERBLet, a recent invertible transform... 详细信息
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