iso mpeg audio coding standards

... Allocation 40.3 MPEG- 1 /Audio Coding The Basics • Layers I and II • Layer III • Frame and Multiplex Structure • Subjective Quality 40.4 MPEG- 2 /Audio Multichannel Coding MPEG- 2 /Audio Multichannel Coding ... Backward-Compatible (BC) MPEG- 2 /Audio Coding • Advanced /MPEG- 2 /Audio Coding (AAC) • Simulcast Transmission • Subjective Tests Peter Noll Technical University of Berlin 40.1 40.5 MPEG- 4 /Audio Coding 40.6 Applications ... frequency domain coders MPEG/ Audio coding algorithms, described in detail in the next section, make use of the above key technologies 40.3 MPEG- 1 /Audio Coding The MPEG- 1 /Audio coding standard [8],...

Ngày tải lên: 22/01/2014, 12:20

... Introduction Purpose of coding standards and best practices How to follow the standards across the team Naming Conventions and Standards Indentation and Spacing ... application Purpose of coding standards and best practices http://www.dotnetspider.com/tutorials/BestPractices.aspx To develop reliable and maintainable applications, you must follow coding standards and ... own standards document You may use this document as a template to prepare your own document Distribute a copy of this document (or your own coding standard document) well ahead of the coding standards...

Ngày tải lên: 18/08/2012, 08:47

... 1.1 Purpose The purpose of this document is to provide coding style standards for the development of source code written in C# Adhering to a coding style standard is an industry proven best-practice ... first When writing a new method, write the comments for each step the method will perform before coding a single statement These comments will become the headings for each block of code that gets ... i; use swapInt instead of tempInt) o Use a positive connotation for boolean variable names (e.g isOpen as opposed to notOpen) 6.7 Properties Properties should be declared using the following template:...

Ngày tải lên: 20/01/2014, 06:20

... industries The audio technology used in the ATSC digital audio compression standard [1] is Dolby AC-3 Dolby AC-3 is an audio compression technology capable of encoding a range of audio channel ... channel is enabled/disabled by a separate control bit called lfeon TABLE 41.1 AC-3 Audio Coding Modes acmod Audio coding mode Number of full bandwidth channels Channel array ordering ‘000’ ‘001’ ... in the context of the AC3 multichannel audio coding system Of the many considerations involved in filterbank design, two of the most important for audio coding are the window shape and the impulse...

Ngày tải lên: 22/01/2014, 12:20

... & Developer for Java Study Guide / Sierra / 222684-6 / Chapter 12 Coding Standards CERTIFICATION OBJECTIVE Use Sun Java Coding Standards The Developer exam is challenging There are a lot of complex ... just get on with it Let’s dive into the fascinating world of Java Coding Standards Spacing Standards This section covers the standards for indenting, line-length limits, line breaking, and white ... points from your project This chapter will help you cross your t’s and dot your i’s Following coding standards is not hard; it just requires diligence If you are careful it’s no-brainer stuff,...

Ngày tải lên: 05/07/2014, 02:20

... Execute(string commandText, int iterations) {…} http://www.lance-hunt.net Lance Hunt C# Coding Standards for NET Coding Style Coding style causes the most inconsistency and controversy between developers ... http://www.lance-hunt.net Lance Hunt C# Coding Standards for NET Quick Summary This section contains tables describing a high-level summary of the major standards covered in this document These ... maintainability of source code 1.2 Document Conventions Much like the ensuing coding standards, this document requires standards in order to ensure clarity when stating the rules and guidelines...

Ngày tải lên: 12/08/2014, 18:22

... stage for the rest of this white paper, which covers standards and guidelines for Java coding 1.1 Why Coding Standards are Important Coding standards for Java are important because they lead to ... you to work together with them Ambler’s Law of Standards Industry standards > organizational standards > project standards > personal standards > no standards Blatant Advertising – Purchase The ... www.AmbySoft.com/javaCodingStandards.pdf 1.5 Ambler’s Law of Standards Whenever possible, reuse standards and guidelines, don’t reinvent them The greater the scope of the standards and guidelines...

Ngày tải lên: 21/10/2014, 23:58

... Group (MPEG) has started to work on defining lossless audio coding technology for ISO/ IEC 14496-3:2001 (MPEG- 4 Audio) standard [1] They have issued a Call for Proposal (CfP) on lossless audio ... background of lossless audio coding, including some fundamentals of source coding, basic principles of audio coding, linear prediction coding techniques and several entropy coding algorithms At ... 2.4 State-of-the-art Lossless Audio Coding 2.4.1 Monkey’s Audio Coding Monkey’s Audio Coding has high compression ratio, which is therefore taken as a benchmark in MPEG s CfP In its extra high...

Ngày tải lên: 10/11/2015, 11:28

... 2004 EE3414: Audio Coding 16 MPEG Standards Overview • • MPEG: motion picture expert group of the International Standards Organization (ISO) MPEG- 1: Defines coding standards for both audio and video, ... Comparison CD bit rate: 44.1 KHz, 16 bits/sample, stereo: 44.1K*16*2=1.41Mbps From P Noll, MPEG digital audio coding standards ©Yao Wang, 2004 EE3414: Audio Coding 27 MPEG2 Audio: Overview • Audio ... audio coding – Quantization basics – Subband analysis – Bit allocation based on masking threshold • MPEG audio coding – MPEG1 audio layers (including MP3) and technical differences – MPEG- 2 audio...

Ngày tải lên: 21/01/2016, 23:12

... protection objectives simultaneously Although ISO 9001 ISO 14000 Environmental Management Standards Table 1.1 Comparison of ISO 14001 and ISO 9001 Feature ISO 14001(2002) Aim To identify all potential ... there is a very strong parallel between ISO 14000 standards and ISO 9000 standards, which will be discussed more fully later Within the ISO 14000 series of standards, the fundamental standard that ... environmental management is ISO 140011* ISO 14001 specifies the various requirements that have to be satisfied * Like many other ISO standards that have international recognition, ISO 14001 is often published...

Ngày tải lên: 16/06/2016, 15:59

... and systems The scope of the ISO 14000 environmental series of standards was similar to the ISO 9000 standards in that the environmental standards were process quality standards ͑Von Zharen 1996; ... Evaluation standards within the ISO 14000 series referring specifically to the ISO 14001 EMS specification, and the supporting guidance documents and environmental auditing standards ISO 1996a,b,c͒ ... the first group of standards ͑i.e., the Organization Group͒ promotes the notion of sustainable development In order to this it was decided to evaluate the ISO 14000 series of standards in the context...

Ngày tải lên: 16/06/2016, 16:20

... as any other product you create I.2 Acknowledgments This document reflects the Java language coding standards presented in the Java Language Specification, from Sun Microsystems, Inc II FILE NAMES ... block: int count; 12/23 Java Coding Standard myMethod() { if (condition) { int count = 0; } } Version 1.0 VI.4 // AVOID! Class and Interface Declarations When coding Java classes and interfaces, ... The preferred name for the file that summarizes the contents of a particular directory 4/23 Java Coding Standard Version 1.0 III FILE ORGANIZATION A file consists of sections that should be separated...

Ngày tải lên: 22/09/2016, 22:11

... tích hệ thống máy CD_VCD Chương 4: Khảo sát sơ đồ khối MPEG Audio/ Video decoder để chuyển đổi máy CD thành VCD Chương 5: Ứng dụng khối MPEG Audio/ Video Decoder để chuyển đổi máy CD sang máy VCD ... 3: Phân tích hệ thống máy CD, VCD Chương 4: Khảo sát sơ đồ khối MPEG Audio/ Video decoder Chương 5: Ứng dụng khối MPEG Audio/ Video decoder để chuyển đổi máy CD thành VCD Thi công chuyển đổi ... nội dung nhiệm vụ luận văn Luận văn bao gồm việc phân tích hệ thống máy CD – VCD, ứng dụng khối MPEG Audio/ Video Decoder để thi công mạch chuyển đổi máy CD thành VCD Tập luận văn bao gồm chương...

Ngày tải lên: 24/04/2013, 15:55

... the Standards 4.3.1 What the Standards Cover 4.3.2 Decoding the Standards 4.3.3 Conforming to the Standards 4.4 Overview of MPEG- 4 Visual/Part 4.5 Overview of H.264 / MPEG- 4 Part 10 4.6 Comparison ... motion compensation MPEG Motion Picture Experts Group, a committee of ISO/ IEC MPEG- 1 A multimedia coding standard MPEG- 2 A multimedia coding standard MPEG- 4 A multimedia coding standard NAL Network ... video coding standards 1.5 REFERENCES ISO/ IEC 13818, Information Technology – Generic Coding of Moving Pictures and Associated Audio Information, 2000 • INTRODUCTION ISO/ IEC 14496-2, Coding of Audio- Visual...

Ngày tải lên: 22/12/2013, 10:16

... Release Audio Fundamental Frequency Audio Harmonicity Audio Power Auditory Scene Analysis Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum ... Descriptors 2.4.1 Audio Waveform 2.4.2 Audio Power 2.5 Basic Spectral Descriptors 2.5.1 Audio Spectrum Envelope 2.5.2 Audio Spectrum Centroid 2.5.3 Audio Spectrum Spread 2.5.4 Audio Spectrum Flatness ... (SVM) MPEG- 7 Sound Classification 3.4.1 MPEG- 7 Audio Spectrum Projection (ASP) Feature Extraction 3.4.2 Training Hidden Markov Models (HMMs) 3.4.3 Classification of Sounds Comparison of MPEG- 7 Audio...

Ngày tải lên: 27/05/2014, 03:59

... 2.1 and texture coding in Section 2.2 2.1 SHAPE CODING Two types of shape coding are supported within MPEG- 4, binary alpha map coding and gray-scale alpha map coding Binary shape coding is designed ... shape coding 2.1.1.4 Comparison of Different Shape Coding Techniques During MPEG- 4 Standardization, these different shape coding techniques were evaluated thoroughly in terms of their coding ... we describe some encoding considerations and additional algorithms that are not part of the MPEG- 4 standard, but are required to enable object-based coding MPEG- 4 supports the coding of multiple...

Ngày tải lên: 05/06/2014, 12:05

... analysis in audio coding and also will present the comparisons among some of the audio coding technologies including adaptive timefrequency transform (ATFT) coding, MPEG- Layer (MP3) coding and MPEG ... “Second generation iso/ mpeg audio layer-3 coding, ” in Proceedings of the 98th Audio Engineering Society Convention, Paris, France, February 1995 [30] I JTC1/SC29/WG11, “Overview of the mpeg- 4 standard,” ... presented coder with two existing popular and state-of-the-art audio coders, namely, MP3 (MPEG layer 3) and MPEG- 4 AAC/HE-AAC Advanced audio coding (AAC) is the current industrial standard which was...

Ngày tải lên: 21/06/2014, 16:20

... 14] In [10], the authors build audio fingerprints by collecting and quantizing a number of robust and informative features from an audio file, with the purpose of audio identification as well as ... supposed to offer proof of perceptual integrity Despite some audio EURASIP Journal on Image and Video Processing hashing systems (also named audio fingerprinting) being proposed in the past few years ... authors to the case of sounds [9], by inserting the watermark in the host audio FFT coefficients For a more exhaustive review of audio watermarking for authentication and tampering identification see...

Ngày tải lên: 22/06/2014, 00:20

... audio ó c s hoỏ ng thi a s b cỏc tiờu chun v nộn tớn hiu audio Chng 3: Nộn tớn hiu õm theo tiờu chun MPEG- 2 õy l ni dung chớnh ca ti Trong chng ny trỡnh by quỏ trỡnh phỏt trin ca tiờu chun MPEG, ... u nhng nm 1980, cỏc thit b audio s ó dn chim lnh v thay th cỏc thit b audio tng t, cỏc thit b audio s ny cú c im tớn hiu vo v l tng t Vi nhng u im chớnh ca tớn hiu audio s nh: mộo tớn hiu nh ... quỏ trỡnh phỏt trin ca tiờu chun MPEG, phng phỏp nộn v gii nộn audio ca tiờu chun MPEG, ng thi i sõu phõn tớch k cỏc tiờu chun nộn MPEG- 2 Mt khỏc cng a nhng ng dng thc t tiờu chun nộn ny Do iu...

Ngày tải lên: 22/06/2014, 14:53

... coding of stereo audio, ” EURASIP Journal on Applied Signal Processing, vol 2005, no 9, pp 1305–1322, 2005 [41] ISO/ IEC, Coding of audio- visual objects—part3: audio, AMENDMENT 2: parametric coding ... Zeitlinger, Lisse, The Netherlands, 1997 [4] Audio Subgroup, “Report on the verification test of MPEG4 parametric coding for high-quality audio, ” ISO/ IEC JTC1/SC29/WG11 N6675, 2004 [5] N H van ... technique that combines parametric (MPEG- 4 SSC) and waveform (pulse excitation) coding A parametric stereo coding tool has also been integrated to allow the efficient coding of stereo signals It has...

Ngày tải lên: 22/06/2014, 19:20