CN1761308B - 一种数字媒体数据编码和解码的方法 - Google Patents
一种数字媒体数据编码和解码的方法 Download PDFInfo
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- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/0078—Labyrinth games
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F3/00—Board games; Raffle games
- A63F3/00003—Types of board games
- A63F3/00097—Board games with labyrinths, path finding, line forming
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/06—Patience; Other games for self-amusement
- A63F9/12—Three-dimensional jig-saw puzzles
- A63F9/1252—Three-dimensional jig-saw puzzles using pegs, pins, rods or dowels as puzzle elements
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/084—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with grooves
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/06—Patience; Other games for self-amusement
- A63F9/12—Three-dimensional jig-saw puzzles
- A63F9/1252—Three-dimensional jig-saw puzzles using pegs, pins, rods or dowels as puzzle elements
- A63F2009/1256—Three-dimensional jig-saw puzzles using pegs, pins, rods or dowels as puzzle elements using a plurality of pegs
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- Physics & Mathematics (AREA)
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- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Educational Technology (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Studio Devices (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
比特位置 | 字段名称 | 字段描述 |
0-2 | VersNum | WMA比特流的版本号 |
3-6 | BPS | 经解码音频采样的比特深度(Q索引) |
7-10 | cChan | 音频信道数量 |
11-15 | SampRt | 经解码音频的采样率 |
16-31 | CMap | 信道映射 |
32-47 | EncOpt | 编码器选项结构 |
48-50 | Profile Support | 描述该流属于(M1,M2,M3)的编码简介的字段 |
51-54 | Bit-Rate | 经编码流的比特率(单位为Kbps) |
55-79 | Reserved | 保留位-设定为0 |
比特位置 | 字段名称 | 字段描述 |
0 | Start | 当此比特被设定时,它标记元数据的开始。 |
1-2 | Type | 本字段标识当前元数据字符串的内容。值为: Bit1 Bit2 字符串描述 0 0 标头 0 1 艺术家 1 0 专辑 1 1 未定义(自由文本) |
3-7 | Reserved | 应设定为0。 |
8-15 | Byte0 | 元数据的第一字节 |
16-23 | Byte1 | 元数据的第二字节 |
24-31 | Byte2 | 元数据的第三字节 |
组块范围 | 标记类型 |
0x00到0x92 | LENGTH_PROVIDED |
0x93到0xBF | LENGTH_AND_MEANING_ PREDEFINED |
0xC0到0xFF | LENGTH_PREDEFINED |
0x3F | 转义码 (对于附加编/解码器) |
0x7F | 转义码 (对于附加流属性) |
组块类型(十六进制) | 数据流 | 流属性标记(十六进制) |
0x00 | PCM流 | 0x40 |
0x01 | WMA语音 | 0x41 |
0x02 | RT语音 | 0x42 |
0x03 | WMA Std | 0x43 |
0x04 | WMA+ | 0x44 |
0x05 | WMA Pro | 0x45 |
0x06 | WMA无损 | 0x46 |
0x07 | PLEAC | 0x47 |
...... | ...... | |
0x3E | 附加编/解码器 | 0x7E |
组块类型(十六进制) | 元数据 |
0x80 | 内容描述符元数据 |
0x81 | 向下折叠 |
0x82 | 动态范围控制 |
0x83 | 多字节填充元素 |
0x84 | 呈现时间标记 |
.... | .... |
0x92 | 附加元数据 |
字段的第一 比特(MSB) | 长度定义 |
0 | 一单字节长度字段(MSB是比特7) 7个LSB(比特数是6到0)以字节数指示随后数据字段的尺寸。 这是用于除某些音频有效载荷外所有数据的最通用尺寸字段。 |
1 | 一三字节长度字段(MSB是比特23) 比特数22到3以字节数指示随后字段的尺寸 如果使用长度字段来定义音频有效载荷的尺寸,比特数2到0 指示音频帧的数量 |
1 | 如果比特22到3的值为“FFFFF”,这表示一转义码,而比特 2到0是不受约束的。它后面跟有4字节大小的字段,指示有 效组合的附加字节大小。该值FFFFF被加到附加的4字节无符 号位上以得到总的数据的字节数长度。 |
组块类型(十六进制) | 名称 | 长度 |
0x93 | 同步字 | 5字节 |
0x94 | CRC | 2字节 |
0x95 | 单字节填充元素 | 1字节 |
0x96 | END_OF_BLOCK | 1字节 |
... | ... | ... |
0xBF | (附加标记定义) | XX |
组块类型比特数5到3 | 要跳过的数据长度(单位:字节) |
000 | 1 |
001 | 1 |
010 | 2 |
011 | 4 |
100 | 8 |
101 | 16 |
110 | 32 |
111 | 32 |
Claims (21)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56267104P | 2004-04-14 | 2004-04-14 | |
US60/562,671 | 2004-04-14 | ||
US58099504P | 2004-06-18 | 2004-06-18 | |
US60/580,995 | 2004-06-18 | ||
US10/966,443 | 2004-10-14 | ||
US10/966,443 US8131134B2 (en) | 2004-04-14 | 2004-10-15 | Digital media universal elementary stream |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1761308A CN1761308A (zh) | 2006-04-19 |
CN1761308B true CN1761308B (zh) | 2012-05-30 |
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Application Number | Title | Priority Date | Filing Date |
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CN2005100673765A Expired - Fee Related CN1761308B (zh) | 2004-04-14 | 2005-04-14 | 一种数字媒体数据编码和解码的方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8131134B2 (zh) |
EP (1) | EP1587063B1 (zh) |
JP (1) | JP4724452B2 (zh) |
KR (1) | KR101159315B1 (zh) |
CN (1) | CN1761308B (zh) |
AT (1) | ATE529857T1 (zh) |
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2004
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US20120130721A1 (en) | 2012-05-24 |
EP1587063B1 (en) | 2011-10-19 |
JP4724452B2 (ja) | 2011-07-13 |
JP2005327442A (ja) | 2005-11-24 |
EP1587063A2 (en) | 2005-10-19 |
US8131134B2 (en) | 2012-03-06 |
US20050234731A1 (en) | 2005-10-20 |
ATE529857T1 (de) | 2011-11-15 |
CN1761308A (zh) | 2006-04-19 |
KR101159315B1 (ko) | 2012-06-22 |
US8861927B2 (en) | 2014-10-14 |
EP1587063A3 (en) | 2009-11-04 |
KR20060045675A (ko) | 2006-05-17 |
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