TW315562B - - Google Patents
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- Publication number
- TW315562B TW315562B TW085110524A TW85110524A TW315562B TW 315562 B TW315562 B TW 315562B TW 085110524 A TW085110524 A TW 085110524A TW 85110524 A TW85110524 A TW 85110524A TW 315562 B TW315562 B TW 315562B
- Authority
- TW
- Taiwan
- Prior art keywords
- data
- channel
- coefficient
- coefficient data
- frequency
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 238000007667 floating Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 2
- 238000012937 correction Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 7
- 238000012935 Averaging Methods 0.000 description 6
- 238000013139 quantization Methods 0.000 description 6
- 102100038238 Aromatic-L-amino-acid decarboxylase Human genes 0.000 description 4
- 101710151768 Aromatic-L-amino-acid decarboxylase Proteins 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002079 cooperative effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7246954A JPH0969783A (ja) | 1995-08-31 | 1995-08-31 | オーディオデータ符号化装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW315562B true TW315562B (cg-RX-API-DMAC7.html) | 1997-09-11 |
Family
ID=17156209
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW085110524A TW315562B (cg-RX-API-DMAC7.html) | 1995-08-31 | 1996-08-29 | |
| TW086105817A TW347623B (en) | 1995-08-31 | 1996-08-29 | Digital data encoding device and method therefor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW086105817A TW347623B (en) | 1995-08-31 | 1996-08-29 | Digital data encoding device and method therefor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5675610A (cg-RX-API-DMAC7.html) |
| JP (1) | JPH0969783A (cg-RX-API-DMAC7.html) |
| CN (3) | CN1112769C (cg-RX-API-DMAC7.html) |
| TW (2) | TW315562B (cg-RX-API-DMAC7.html) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0775389B1 (en) * | 1994-05-02 | 2002-12-18 | Koninklijke Philips Electronics N.V. | Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component |
| JP3388224B2 (ja) * | 2000-06-23 | 2003-03-17 | 松下電器産業株式会社 | 通信端末装置 |
| US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| US7583805B2 (en) | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7460684B2 (en) | 2003-06-13 | 2008-12-02 | Nielsen Media Research, Inc. | Method and apparatus for embedding watermarks |
| US7805313B2 (en) | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| CN102592638A (zh) * | 2004-07-02 | 2012-07-18 | 尼尔逊媒介研究股份有限公司 | 用于进行压缩数字位流的混合的方法及装置 |
| US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| US8204261B2 (en) | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| EP1817766B1 (en) | 2004-11-30 | 2009-10-21 | Agere Systems Inc. | Synchronizing parametric coding of spatial audio with externally provided downmix |
| US8340306B2 (en) | 2004-11-30 | 2012-12-25 | Agere Systems Llc | Parametric coding of spatial audio with object-based side information |
| US7903824B2 (en) | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| EP2958106B1 (en) | 2006-10-11 | 2018-07-18 | The Nielsen Company (US), LLC | Methods and apparatus for embedding codes in compressed audio data streams |
| US20090099844A1 (en) | 2007-10-16 | 2009-04-16 | Qualcomm Incorporated | Efficient implementation of analysis and synthesis filterbanks for mpeg aac and mpeg aac eld encoders/decoders |
| US8527265B2 (en) | 2007-10-22 | 2013-09-03 | Qualcomm Incorporated | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs |
| US8396119B1 (en) * | 2009-09-30 | 2013-03-12 | Ambarella, Inc. | Data sample compression and decompression using randomized quantization bins |
| CN108170399B (zh) * | 2017-12-26 | 2021-04-30 | 上海展扬通信技术有限公司 | 一种双声道处理方法及终端 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992012607A1 (en) * | 1991-01-08 | 1992-07-23 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
| US5596421A (en) * | 1993-06-03 | 1997-01-21 | Matsushita Electric Industrial Co., Ltd. | Optical disk recorder for video signals and an optical disk for use therein |
-
1995
- 1995-08-31 JP JP7246954A patent/JPH0969783A/ja not_active Withdrawn
-
1996
- 1996-08-29 TW TW085110524A patent/TW315562B/zh active
- 1996-08-29 US US08/697,729 patent/US5675610A/en not_active Expired - Lifetime
- 1996-08-29 TW TW086105817A patent/TW347623B/zh not_active IP Right Cessation
- 1996-08-30 CN CN96111248A patent/CN1112769C/zh not_active Expired - Lifetime
- 1996-08-30 CN CNB021053243A patent/CN1183684C/zh not_active Expired - Lifetime
-
2002
- 2002-02-22 CN CNB021053251A patent/CN1173478C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1173478C (zh) | 2004-10-27 |
| CN1380752A (zh) | 2002-11-20 |
| US5675610A (en) | 1997-10-07 |
| CN1183684C (zh) | 2005-01-05 |
| CN1112769C (zh) | 2003-06-25 |
| TW347623B (en) | 1998-12-11 |
| CN1380751A (zh) | 2002-11-20 |
| CN1148292A (zh) | 1997-04-23 |
| JPH0969783A (ja) | 1997-03-11 |
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