JPH05505504A - 多次元音場チャンネル用復号器 - Google Patents
多次元音場チャンネル用復号器Info
- Publication number
- JPH05505504A JPH05505504A JP92503836A JP50383692A JPH05505504A JP H05505504 A JPH05505504 A JP H05505504A JP 92503836 A JP92503836 A JP 92503836A JP 50383692 A JP50383692 A JP 50383692A JP H05505504 A JPH05505504 A JP H05505504A
- Authority
- JP
- Japan
- Prior art keywords
- channels
- decoder
- channel
- representation
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Television Receiver Circuits (AREA)
- Television Systems (AREA)
- Analogue/Digital Conversion (AREA)
- Electrophonic Musical Instruments (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
Claims (6)
- 1.書式化された情報の1つ又はそれ以上の提供チャンネルの複号器であって、 該書式化電報の1つ又はそれ以上の提供チャンネルについての脱書式化された表 現を生成するための脱着式化装置と、 該脱着式化装置に応答する分配装置であって、1つ又はそれ以上の中間的信号を 生成するための装置と、該分配装置に応答する合成装置であって、1つ又はそれ 以上の表現信号を生成するための装置とから成る、復号器。
- 2.請求項1記載の復号器であって、前記脱書式化された表現が前記書式化情報 の1つ又はそれ以上の提供チャンネルよりも高い情報容量要件を有する復号器。
- 3.請求項1又は請求項2の何れかに記載の復号器であって、前記合成装置によ って逆周波数領域対時間領域変換が前記1つ又はそれ以上の中間的信号に対して 適用される、復号器。
- 4.請求項1又は請求項2の何れかに記載の復号器であって、前記合成装置によ うて真正のサブバンド合成フィルタ・バンクが前記1つ又はそれ以上の中間的信 号に対して適用される、復号器。
- 5.請求項1から請求項4までの何れかに記載の復号器であって、前記1つ又は それ以上の中間的信号に、前記書式化情報の1つ又はそれ以上の提供チャンネル の少なくとも1つの脱書式化された表現が含まれる、復号器。
- 6.請求項1から請求項4までの何れかに記載の復号器であって、前記書式化情 報の1つ又はそれ以上の提供チャンネルの各々の脱書式化された表現が、前記1 つ又はそれ以上の中間的信号の少なくとも1つの中に含まれる、復号器。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63889691A | 1991-01-08 | 1991-01-08 | |
US638,896 | 1991-01-08 | ||
US718,356 | 1991-06-21 | ||
US07/718,356 US5274740A (en) | 1991-01-08 | 1991-06-21 | Decoder for variable number of channel presentation of multidimensional sound fields |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05505504A true JPH05505504A (ja) | 1993-08-12 |
JP3197012B2 JP3197012B2 (ja) | 2001-08-13 |
Family
ID=27093203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50383692A Expired - Lifetime JP3197012B2 (ja) | 1991-01-08 | 1992-01-08 | 多次元音場チャンネル用復号器 |
Country Status (12)
Country | Link |
---|---|
US (2) | US5274740A (ja) |
EP (1) | EP0519055B2 (ja) |
JP (1) | JP3197012B2 (ja) |
KR (1) | KR100228687B1 (ja) |
AT (1) | ATE144364T1 (ja) |
AU (1) | AU649786B2 (ja) |
CA (1) | CA2077668C (ja) |
DE (1) | DE69214523T3 (ja) |
DK (1) | DK0519055T4 (ja) |
ES (1) | ES2093250T5 (ja) |
SG (1) | SG49884A1 (ja) |
WO (1) | WO1992012608A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003513325A (ja) * | 1999-11-02 | 2003-04-08 | デジタル・シアター・システムズ・インコーポレーテッド | マルチチャネル・オーディオ環境において対話型オーディオを提供するシステムおよび方法 |
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-
1991
- 1991-06-21 US US07/718,356 patent/US5274740A/en not_active Expired - Lifetime
-
1992
- 1992-01-08 CA CA002077668A patent/CA2077668C/en not_active Expired - Lifetime
- 1992-01-08 DE DE69214523T patent/DE69214523T3/de not_active Expired - Lifetime
- 1992-01-08 SG SG1996008135A patent/SG49884A1/en unknown
- 1992-01-08 WO PCT/US1992/000134 patent/WO1992012608A1/en active IP Right Grant
- 1992-01-08 ES ES92903819T patent/ES2093250T5/es not_active Expired - Lifetime
- 1992-01-08 KR KR1019920702096A patent/KR100228687B1/ko not_active IP Right Cessation
- 1992-01-08 EP EP92903819A patent/EP0519055B2/en not_active Expired - Lifetime
- 1992-01-08 JP JP50383692A patent/JP3197012B2/ja not_active Expired - Lifetime
- 1992-01-08 AU AU11942/92A patent/AU649786B2/en not_active Expired
- 1992-01-08 AT AT92903819T patent/ATE144364T1/de not_active IP Right Cessation
- 1992-01-08 DK DK92903819T patent/DK0519055T4/da active
-
1993
- 1993-12-28 US US08/175,051 patent/US5400433A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003513325A (ja) * | 1999-11-02 | 2003-04-08 | デジタル・シアター・システムズ・インコーポレーテッド | マルチチャネル・オーディオ環境において対話型オーディオを提供するシステムおよび方法 |
JP4787442B2 (ja) * | 1999-11-02 | 2011-10-05 | ディー・ティー・エス,インコーポレーテッド | マルチチャネル・オーディオ環境において対話型オーディオを提供するシステムおよび方法 |
Also Published As
Publication number | Publication date |
---|---|
AU649786B2 (en) | 1994-06-02 |
DE69214523D1 (de) | 1996-11-21 |
KR920704540A (ko) | 1992-12-19 |
EP0519055B1 (en) | 1996-10-16 |
DK0519055T4 (da) | 2005-01-10 |
ES2093250T3 (es) | 1996-12-16 |
JP3197012B2 (ja) | 2001-08-13 |
CA2077668A1 (en) | 1992-07-09 |
WO1992012608A1 (en) | 1992-07-23 |
ES2093250T5 (es) | 2005-04-01 |
DK0519055T3 (da) | 1997-03-24 |
KR100228687B1 (ko) | 1999-11-01 |
DE69214523T3 (de) | 2005-03-03 |
SG49884A1 (en) | 1998-06-15 |
EP0519055A1 (en) | 1992-12-23 |
CA2077668C (en) | 2001-02-27 |
DE69214523T2 (de) | 1997-03-27 |
EP0519055B2 (en) | 2004-11-03 |
ATE144364T1 (de) | 1996-11-15 |
US5274740A (en) | 1993-12-28 |
US5400433A (en) | 1995-03-21 |
AU1194292A (en) | 1992-08-17 |
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