咨询与建议

限定检索结果

文献类型

  • 939 篇 会议
  • 253 篇 期刊文献
  • 3 篇 学位论文

馆藏范围

  • 1,195 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 604 篇 工学
    • 425 篇 电气工程
    • 185 篇 信息与通信工程
    • 172 篇 计算机科学与技术...
    • 70 篇 电子科学与技术(可...
    • 60 篇 软件工程
    • 19 篇 仪器科学与技术
    • 18 篇 控制科学与工程
    • 17 篇 生物医学工程(可授...
    • 8 篇 船舶与海洋工程
    • 6 篇 机械工程
    • 2 篇 力学(可授工学、理...
    • 2 篇 材料科学与工程(可...
    • 2 篇 测绘科学与技术
    • 1 篇 光学工程
    • 1 篇 动力工程及工程热...
    • 1 篇 石油与天然气工程
  • 211 篇 理学
    • 189 篇 物理学
    • 18 篇 系统科学
    • 15 篇 生物学
    • 4 篇 数学
    • 1 篇 化学
    • 1 篇 科学技术史(分学科...
  • 64 篇 医学
    • 62 篇 临床医学
    • 15 篇 特种医学
    • 3 篇 基础医学(可授医学...
  • 15 篇 管理学
    • 15 篇 管理科学与工程(可...
  • 6 篇 军事学
    • 6 篇 军队指挥学
  • 4 篇 艺术学
    • 4 篇 音乐与舞蹈学
  • 3 篇 文学
    • 2 篇 新闻传播学
  • 1 篇 教育学
    • 1 篇 教育学

主题

  • 1,195 篇 audio coding
  • 260 篇 bit rate
  • 189 篇 decoding
  • 174 篇 speech coding
  • 151 篇 quantization
  • 144 篇 transform coding
  • 138 篇 codecs
  • 102 篇 frequency
  • 90 篇 mpeg 4 standard
  • 87 篇 filter bank
  • 80 篇 psychoacoustic m...
  • 77 篇 bandwidth
  • 71 篇 audio compressio...
  • 70 篇 encoding
  • 68 篇 signal processin...
  • 68 篇 discrete cosine ...
  • 56 篇 humans
  • 56 篇 testing
  • 56 篇 streaming media
  • 54 篇 auditory system

机构

  • 19 篇 fraunhofer iis e...
  • 11 篇 institute for in...
  • 9 篇 int audio labs e...
  • 9 篇 dolby sweden ab ...
  • 8 篇 fraunhofer insti...
  • 7 篇 univ calif santa...
  • 7 篇 department of me...
  • 6 篇 philips research...
  • 6 篇 department of el...
  • 6 篇 department of el...
  • 6 篇 fraunhofer insti...
  • 6 篇 department of el...
  • 6 篇 department of el...
  • 6 篇 nokia research c...
  • 5 篇 microsoft corp r...
  • 5 篇 electrical engin...
  • 5 篇 international au...
  • 5 篇 international au...
  • 4 篇 zte corporation
  • 4 篇 huawei technolog...

作者

  • 17 篇 t. moriya
  • 15 篇 ruimin hu
  • 15 篇 tsung-han tsai
  • 15 篇 g. schuller
  • 14 篇 susanto rahardja
  • 12 篇 edler bernd
  • 10 篇 r. geiger
  • 10 篇 te li
  • 9 篇 villemoes lars
  • 9 篇 w. bastiaan klei...
  • 9 篇 r. heusdens
  • 9 篇 s. rahardja
  • 9 篇 j. herre
  • 9 篇 beack seungkwon
  • 9 篇 k. brandenburg
  • 8 篇 x. lin
  • 8 篇 hu ruimin
  • 8 篇 r. vafin
  • 8 篇 a. jin
  • 8 篇 helmrich christi...

语言

  • 1,139 篇 英文
  • 51 篇 其他
  • 4 篇 中文
  • 1 篇 斯洛伐克文
检索条件"主题词=Audio coding"
1195 条 记 录,以下是271-280 订阅
排序:
An analysis of perceptual artifacts in MPEG scalable audio coding
An analysis of perceptual artifacts in MPEG scalable audio c...
收藏 引用
Data Compression Conference (DCC)
作者: C.D. Creusere Klipsch School of Electrical & Computer Engineering New Mexico State University Las Cruces NM USA
We study coding artifacts in MPEG-compressed scalable audio. Specifically, we consider the MPEG advanced audio coder (AAC) using bit slice scalable arithmetic coding (BSAC) as implemented in the MPEG 4 reference softw... 详细信息
来源: 评论
Delay-free lossy audio coding using shelving pre- and post-filters
Delay-free lossy audio coding using shelving pre- and post-f...
收藏 引用
International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Martin Holters Udo Zolzer Helmut Schmidt University Hamburg Hamburg Germany
A delay-free audio coding scheme based on ADPCM with adaptive pre- and post-filtering is presented. The pre-/post- filters are realized as a cascade of shelving filters, designed to match the characteristics of human ... 详细信息
来源: 评论
MDCT audio coding with pulse vector quantizers
MDCT audio coding with pulse vector quantizers
收藏 引用
IEEE International Conference on Acoustics, Speech and Signal Processing
作者: J. Svedberg V. Grancharov S. Sverrisson E. Norvell T. Toftgard H. Pobloth S. Bruhn SMN Ericsson AB Stockholm Sweden
This paper describes a novel audio coding algorithm that is a building block in the recently standardized 3GPP EVS codec [1]. The presented scheme operates in the Modified Discrete Cosine Transform (MDCT) domain and d... 详细信息
来源: 评论
Advances in parametric audio coding
Advances in parametric audio coding
收藏 引用
IEEE Workshop on Applications of Signal Processing to audio and Acoustics
作者: H. Purnhagen Laboratorium fur Informations Technologie University of Hannover Hanover Germany
Parametric modelling provides an efficient representation of general audio signals and is utilised in very low bit rate audio coding. It is based on the decomposition of an audio signal into components which are descr... 详细信息
来源: 评论
Efficient correlation extraction for distributed audio coding
Efficient correlation extraction for distributed audio codin...
收藏 引用
Asilomar Conference on Signals, Systems & Computers
作者: Sandeep Matta Charles D. Creusere Klipsch School of Electrical and Computer Engineering New Mexico State University Las Cruces NM USA
Distributed source coding is one of the enabling technologies for efficient bandwidth utilization in wireless sensor networks and is consequently of great current interest. This paper studies its application to audio ... 详细信息
来源: 评论
Fine-grain scalable audio coding based on envelope restoration and the SPIHT algorithm
Fine-grain scalable audio coding based on envelope restorati...
收藏 引用
International Conference on Digital Signal Processing (DSP)
作者: Heiko Hansen Stefan Strahl Alfred Mertins Department of Physics Carl von Ossietzky University슠of슠Oldenburg Oldenburg Germany Institute of Signal Processing University of Lübeck Lubeck Germany
We present strategies for perceptual improvements of embedded audio coding based on psychoacoustic weighting and spectral envelope restoration. The encoding schemes exhibit fine-grain bitrate scalability via the set p... 详细信息
来源: 评论
Hybrid audio coding for speech and audio below medium bit rate
Hybrid audio coding for speech and audio below medium bit ra...
收藏 引用
IEEE International Conference on Consumer Electronics (ICCE)
作者: K. Makino J. Matsumoto Dev. Center Sony Corp. Tokyo Japan HomeNet Processing Laboratory Development CenterHome Network Company Sony Corporation USA
A novel a audio/speech coding algorithm, hybrid audio coding (HAC) is described. New features of the algorithm include window switching with generalized MDCT, an improved quantization scheme of the MDCT coefficients, ... 详细信息
来源: 评论
MULTICHANNEL OBJECT-BASED audio coding WITH CONTROLLABLE QUALITY
MULTICHANNEL OBJECT-BASED AUDIO CODING WITH CONTROLLABLE QUA...
收藏 引用
IEEE International Conference on Acoustics, Speech, and Signal Processing
作者: Stanislaw Gorlow Emanuel A. P. Habets Sylvain Marchand Univ. Bordeaux International Audio Laboratories Erlangen Univ. Brest
In this paper a new multichannel object-based audio coding scheme with scalable signal quality is proposed. The novel scheme is based on controlled downmixing and demixing. By means of a dedicated control mechanism, a... 详细信息
来源: 评论
A NEW BANDWIDTH EXTENSION TECHNOLOGY FOR MPEG UNIFIED SPEECH AND audio coding
A NEW BANDWIDTH EXTENSION TECHNOLOGY FOR MPEG UNIFIED SPEECH...
收藏 引用
IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Yuki Yamamoto Torn Chinen Masayuki Nishiguchi Sony Corporation
In January 2012, MPEG finalized the new MPEG-D Unified Speech and audio coding (USAC) standard, which enables the coding of a variety of audio content at low bitrates. USAC provides low-bitrate coding by integrating a... 详细信息
来源: 评论
Application of Unimodular Filterbanks for audio coding
Application of Unimodular Filterbanks for Audio Coding
收藏 引用
IEEE Workshop on Signal Processing Systems (SIPS)
作者: Asha Vijayakumar G. Abhilash Department of Electronics and Communication Engineering National Institute of Technology Calicut India
This paper contains the application of Unimodular Filterbanks (UMFBs) based on two new structures for audio coding. Two key properties make UMFBs ideal for audio coding applications. Firstly, they have the lowest poss... 详细信息
来源: 评论