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Detailed description of AAC decoding algorithm principles This document describes in detail ISO/IEC 13818-7 (MPEG2 AAC audio codec), ISO/IEC 14496-3 (MPEG4 audio codec AAC low complexity) the AAC audio decoding algorithm. 1. Program System StructureThe following is the AAC decoding flowchart:AAC decoding FlowchartAfter the master module starts running, the master module puts a part of the AAC bit s
Specification"[Iec62455] IEC, IEC 62455, "Internet Protocol (IP) and transport stream (TS) based service access"[Rfc1321] IETF, RFC 1321, "the MD5 message-Digest algorithm", limit l 1992.[Rfc2119] IETF, RFC 2119, "Key Words for use in rfcs To Indicate Requirement Levels", March[Rfc2326] IETF, RFC 2326, "Real Time Streaming Protocol (RTSP)", limit l 1998.[Rfc2616] IETF, RFC 2616, "Hypertext Transfer Protoco
encoding schemes.)3.1.ucos UnicodeGeneral Character Set(Universal character set,UCs) Is developed by ISO.ISO 10646(OrISO/IEC 10646) The standard character set defined by the standard. There have historically been two independent organizations trying to create a single character set, namely the unified code alliance composed of the International Organization for Standardization (ISO) and multilingual software manufacturers. The ISO/
The message passing model described in Figure 1 is the basis for all Java card communications.Its core is application.ProgramThe Protocol Data Unit (APDU) is a logical data packet exchanged between the CAD and Java card frameworks.The javacard framework receives any APDU commands sent by CAD and sends them to corresponding small applications.The application processes The APDU command, and then returns a response to APDU.Those APDU comply with International Standard Specifications ISO/
National Standard Institute, Organization for Standardization of the United States );TIA (Telecommunication Industry Association, telecommunications Industry federation );Engineering Association (EIA ). Generally, one of the organizations issues a standard, which is then corrected by the other two organizations. In Europe, cable standards are published by CENELEC, a member of the organization from the electronic technology committees of 19 European countries. ISO/
formats of the strengths, MPEG-4 most of the features are left to developers to decide whether to adopt. This means that the functionality of the entire format is not necessarily fully enclosed by a program. Therefore, this format has the so-called ' profiles ' and ' hierarchy (Levels) ', which defines a collection of certain functions MPEG-4 used for certain applications.This standard is widely used in the current mainstream coding standardsMPEG-4 consists of a series of sub-standards, called
far away. At present, RFID has not yet formed a unified global standard. International RFID-related communication standards mainly include: EPC standard (mainly for HF and UHF bands), DSRC Standard (5.8GHz band) and a series of ISO standards: ISO/IEC 18000 standard (including 7 parts, involving 125KHz, 13.56MHz, 433MHz, 860-960mhz, 2.45GHz and other bands), ISO11785 (Low frequency), ISO/IEC 14443 stand
://www.codeplex.com/GifLib or Http://www.cndotnet.org/GifLibDescription: Giflib can read and write GIF format without damageRelated file formats: GIFRelated technologies: LZW compressionCode protocol: BSD. NET DiscutilLanguage: C #Official website: http://discutils.codeplex.com/Related file formats: ISO, FAT, NTFS, VHD, XVA, VMDK, and VDIDescription: Libraries that can read and write ISO files and virtual machine disk file formats (VHDs, VDI, XVA, VMDK, etc.) are fully implemented in C # without
RJ-45 interfaceRJ-45 interface legendRJ45 is a common name that is standardized by IEC (60) 603-7 and uses a modular jack or plug with 8 locations (8-pin) as defined by international connector standards. IEC (60) 603-7 is also the reference standard for connecting hardware of ISO/IEC 11801 Universal Integrated Wiring Standard.RJ-45 interfaces can be used to conne
ExplorerOfficial website: http://mp4explorer.codeplex.com/Related file formats: MP4 formatDescription: Can be used to read various information, such as MP4 header, metadata and other data, from the MPEG-4 ISO file ((ISO/IEC 14496-12, ISO/IEC 14496-14, ISO/IEC 14496-15))Code protocol: MS-PLRecently found a lot of file format open source projects, so decided to su
editing system, the Bash shell program, the GCC series compiler, the GDB debugger, and so on. These software create a suitable environment for the development of Linux operating system, it is one of the foundation that Linux can be born. So far many people have called the Linux operating system "gnu/linux" operating system.POSIX StandardPOSIX (Portable Operating System Interface for Computing Systems) is a cluster of standards developed by IEEE and ISO/IEC
Organization for Standardization (ISO) and the revised ISO release was also adopted by ANSI, the name ANSI C (rather than ISO c) is still widely used. ANSI C is now supported by almost all widely used compilers. Most C code is now written on the basis of ANSI C.C89 and C90In 1983, the American National Standards Association formed a committee, X3J11, to create a set of standards for C. After a long and arduous process, the standard was completed in 1989 and formally entered into force as ANSI x
of theECMA-262, the standard defines what is called aECMAScript's new scripting language. Although Netscape has developed JavaScript was first submitted to the ECMA standardization, but because of the plan to rewrite the entire browser engine, Netscape had a whole year late to launch the "fully follow the ECMA Specification" JavaScript1.3 . and Microsoft introduced the IE4.0 of "fully following the ECMA Specification" a year ago. This leads to a direct consequence:JScript becomes the de facto
represented by 10G provides newer and higher requirements for the optical fiber system, and the traditional multimode fiber can only support 10G transmission within dozens of meters of the distance. The network industry has launched a series of optical fiber design and testing standards, such as IEC-60793-2-10,-49 and TIA-492AAAC, Tia/eia 455-220. To tie in with the new optical signal transceiver used for 10G applications, ISO/
standards are promulgated mainly by the following three organizations: ANSI (American National Standard Institute, United States State Standardization Organization); TIA (Telecommunication Industry Association, Federation of Telecommunications Industries); EIA (Engineering Institute Association, Engineering Technology Association). Typically, one of the organizations enacts a standard, which is amended by two other organizations. In Europe, the cable standard was issued by CENELEC (European Com
a Introduction This paper summarizes the audio coding algorithm of AAC (Advanced Audio Coding). First, we briefly introduce the development process of MPEG Audio (including AAC) and the AAC profile, and then combine the FAAC (free AAC) code to analyze the various modules of AAC coding algorithm in detail. two AAC Overview 1 MPEG and its AAC The development history of audio The 1988 ISO/IEC standardization organization established the M
IP [OPTIONS] OBJECT {COMMAND | help}This command contains almost all the methods of use, whereObject object={link | addr | addrlabel | route | rule | neigh | ntable | tunnel | maddr | mroute | mrule | monitor | xfrm | to Ken}Option options={-v[ersion] |-s[tatistics] |-d[etails] |-r[esolve] |-h[uman-readable] |-iec |-f[amily] {inet | inet6 | i px | dnet | LINK} | -o[neline] | -t[imestamp] | -b[atch] [filename] | -RC[VBUF] [size]}However, command is lon
+ LCD. To ensure the correctness of the test results, CD should be a known, low-loss test jumper. In general, LCD usually has little impact on the test results. This Method has become "Method B", with the advantage that the test result is the most accurate and is the preferred Method of TIA/EIA 568-B.1 standard, is the second recommended method in the ISO/IEC 11801 standard. However, the optical fiber port module of the optical power meter provided b
longer provide assurance for field jumper production with performance levels of cat5e or higher. Performance cannot be guaranteed if there is no strict process control during production and testing. This is a central focus in Z-MAX design because the modular plug is so critical to coupling performance with the end of the cable. Simon's engineers have thoroughly transformed the existing modular plug technology and designed the Z-MAX plug with the following features: 1. backward compatible and ca
setting of standards.In North America, standards are primarily promulgated by the following three organizations:ANSI (American National Standard Institute, Organization for Standardization of the United States );TIA (Telecommunication Industry Association, telecommunications Industry federation );Engineering Association (EIA ).Generally, one of the organizations issues a standard, which is then corrected by the other two organizations.In Europe, cable standards are published by CENELEC European
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