CN101685636B - Dra数据格式转换方法及其实现装置 - Google Patents
Dra数据格式转换方法及其实现装置 Download PDFInfo
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- CN101685636B CN101685636B CN200810223306.8A CN200810223306A CN101685636B CN 101685636 B CN101685636 B CN 101685636B CN 200810223306 A CN200810223306 A CN 200810223306A CN 101685636 B CN101685636 B CN 101685636B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 15
- 238000011002 quantification Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- 238000013139 quantization Methods 0.000 description 4
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- 101100189870 Mus musculus Pga5 gene Proteins 0.000 description 1
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Abstract
Description
IEC60958时隙比特数 | 27 12 |
前码比特数 | 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 |
PePf | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 a b |
子数据类型Pf的0-1比特(a,b)的值 | 内容 | 参考点R | 以IEC60958帧为标准的突发数据重复周期 |
0 | 用于DRA的子数据类型 | Pa的比特0 | 1024 |
1 | 用于DRA的半速率低采样率的子数据类型 | Pa的比特0 | 2048 |
2 | 用于DRA的1/4速率低采样率的子数据类型 | Pa的比特0 | 4096 |
3 | 保留 | 保留 | 保留 |
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CN101685636A CN101685636A (zh) | 2010-03-31 |
CN101685636B true CN101685636B (zh) | 2013-01-09 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1168205A (zh) * | 1995-10-04 | 1997-12-17 | 菲利浦电子有限公司 | 数字音频广播接收机以及数字音频广播数据序列格式转换的装置和方法 |
CN1892820A (zh) * | 2005-07-04 | 2007-01-10 | 乐金电子(惠州)有限公司 | 音频解码系统及音频格式检测方法 |
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US7702005B2 (en) * | 2006-08-17 | 2010-04-20 | Alpha Imaging Technology Corp. | Method for transmitting and/or receiving audio data of a plurality of audio sources through a single SPDIF link, and related apparatus |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1168205A (zh) * | 1995-10-04 | 1997-12-17 | 菲利浦电子有限公司 | 数字音频广播接收机以及数字音频广播数据序列格式转换的装置和方法 |
CN1892820A (zh) * | 2005-07-04 | 2007-01-10 | 乐金电子(惠州)有限公司 | 音频解码系统及音频格式检测方法 |
Non-Patent Citations (1)
Title |
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无.DRA音频标准在广播电视领域的产业化应用.《http://wenku.baidu.com/view/b1ea98492b160b4e767fcfbc.html》.2008, * |
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