CN1108023C - 自适应数字音频编码装置及其一种位分配方法 - Google Patents
自适应数字音频编码装置及其一种位分配方法 Download PDFInfo
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- CN1108023C CN1108023C CN95101355A CN95101355A CN1108023C CN 1108023 C CN1108023 C CN 1108023C CN 95101355 A CN95101355 A CN 95101355A CN 95101355 A CN95101355 A CN 95101355A CN 1108023 C CN1108023 C CN 1108023C
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Abstract
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判别电平D的范围 | 电平数标(I) |
~-2.56 | -2 |
-2.55~-1.28 | -1 |
-1.27~1.26 | 0 |
1.27~2.54 | 1 |
2.55~ | 2 |
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN95101355A CN1108023C (zh) | 1995-01-27 | 1995-01-27 | 自适应数字音频编码装置及其一种位分配方法 |
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CN95101355A CN1108023C (zh) | 1995-01-27 | 1995-01-27 | 自适应数字音频编码装置及其一种位分配方法 |
Publications (2)
Publication Number | Publication Date |
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CN1127913A CN1127913A (zh) | 1996-07-31 |
CN1108023C true CN1108023C (zh) | 2003-05-07 |
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CN95101355A Expired - Lifetime CN1108023C (zh) | 1995-01-27 | 1995-01-27 | 自适应数字音频编码装置及其一种位分配方法 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7212666B2 (en) * | 2003-04-01 | 2007-05-01 | Microsoft Corporation | Generating visually representative video thumbnails |
JP4639073B2 (ja) * | 2004-11-18 | 2011-02-23 | キヤノン株式会社 | オーディオ信号符号化装置および方法 |
CN101312042B (zh) * | 2007-05-23 | 2011-08-24 | 中兴通讯股份有限公司 | 一种用于感知音频编码的量化器自适应调整方法 |
CN104934034B (zh) | 2014-03-19 | 2016-11-16 | 华为技术有限公司 | 用于信号处理的方法和装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0446037A2 (en) * | 1990-03-09 | 1991-09-11 | AT&T Corp. | Hybrid perceptual audio coding |
EP0457390A1 (en) * | 1990-05-14 | 1991-11-21 | Koninklijke Philips Electronics N.V. | Encoding system comprising a subband coder, and a transmitter comprising an encoding system |
EP0578063A1 (en) * | 1992-06-24 | 1994-01-12 | Nec Corporation | Quantization bit number allocation by first selecting a subband signal having a maximum of signal to mask ratios in an input signal |
-
1995
- 1995-01-27 CN CN95101355A patent/CN1108023C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0446037A2 (en) * | 1990-03-09 | 1991-09-11 | AT&T Corp. | Hybrid perceptual audio coding |
EP0457390A1 (en) * | 1990-05-14 | 1991-11-21 | Koninklijke Philips Electronics N.V. | Encoding system comprising a subband coder, and a transmitter comprising an encoding system |
EP0578063A1 (en) * | 1992-06-24 | 1994-01-12 | Nec Corporation | Quantization bit number allocation by first selecting a subband signal having a maximum of signal to mask ratios in an input signal |
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Publication number | Publication date |
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CN1127913A (zh) | 1996-07-31 |
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Effective date of registration: 20030509 Patentee after: Daewoo Electronics Co., Ltd. Patentee before: Daewoo Electronics Co., Ltd. |
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Owner name: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130419 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130419 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
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Expiration termination date: 20150127 Granted publication date: 20030507 |