SE0700315L - Ljudåtergivningssystem - Google Patents
LjudåtergivningssystemInfo
- Publication number
- SE0700315L SE0700315L SE0700315A SE0700315A SE0700315L SE 0700315 L SE0700315 L SE 0700315L SE 0700315 A SE0700315 A SE 0700315A SE 0700315 A SE0700315 A SE 0700315A SE 0700315 L SE0700315 L SE 0700315L
- Authority
- SE
- Sweden
- Prior art keywords
- loudspeakers
- control unit
- digital signal
- amplifier units
- sound information
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
- H04R2227/003—Digital PA systems using, e.g. LAN or internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0700315A SE531023C2 (sv) | 2007-02-08 | 2007-02-08 | Ljudåtergivningssystem |
PCT/SE2008/000096 WO2008097159A1 (en) | 2007-02-08 | 2008-02-05 | Sound reproducing system with superimposed digital signal |
US12/525,810 US8879754B2 (en) | 2007-02-08 | 2008-02-05 | Sound reproducing system with superimposed digital signal |
EP08712703A EP2111707A4 (en) | 2007-02-08 | 2008-02-05 | SOUND PLAY SYSTEM WITH DIGITAL STORAGE SIGNAL |
CN200890000033.4U CN201590835U (zh) | 2007-02-08 | 2008-02-05 | 高保真声音再现系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0700315A SE531023C2 (sv) | 2007-02-08 | 2007-02-08 | Ljudåtergivningssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
SE0700315L true SE0700315L (sv) | 2008-08-09 |
SE531023C2 SE531023C2 (sv) | 2008-11-18 |
Family
ID=39681949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0700315A SE531023C2 (sv) | 2007-02-08 | 2007-02-08 | Ljudåtergivningssystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US8879754B2 (sv) |
EP (1) | EP2111707A4 (sv) |
CN (1) | CN201590835U (sv) |
SE (1) | SE531023C2 (sv) |
WO (1) | WO2008097159A1 (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8015590B2 (en) | 2004-12-30 | 2011-09-06 | Mondo Systems, Inc. | Integrated multimedia signal processing system using centralized processing of signals |
US7653447B2 (en) * | 2004-12-30 | 2010-01-26 | Mondo Systems, Inc. | Integrated audio video signal processing system using centralized processing of signals |
EP2764631B1 (en) | 2011-10-07 | 2020-11-25 | Audinate Pty Limited | Systems, methods and devices for networking over high impedance cabling |
FR2995753B1 (fr) * | 2012-09-20 | 2014-09-19 | Paul-Edouard Blanchard | Enceinte acoustique comprenant des moyens de connexion d'entree et de sortie relies entre eux de facon a transmettre entre autres des signaux electroniques |
US9083439B2 (en) * | 2013-07-18 | 2015-07-14 | The Boeing Company | Direct current signal transmission system |
DE102015110785B3 (de) * | 2015-07-03 | 2016-10-13 | Elac Electroacustic Gmbh | Lautsprechersystem mit zwei Aktiv-Lautsprechern |
US11290819B2 (en) | 2016-01-29 | 2022-03-29 | Dolby Laboratories Licensing Corporation | Distributed amplification and control system for immersive audio multi-channel amplifier |
EP3409030B1 (en) * | 2016-01-29 | 2020-03-11 | Dolby Laboratories Licensing Corporation | Distributed amplification and control system for immersive audio multi-channel amplifier |
CN110996220B (zh) * | 2019-12-02 | 2021-03-23 | 维沃移动通信有限公司 | 电子设备及其音量调节方法 |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3369078A (en) * | 1965-06-28 | 1968-02-13 | Charles R. Stradley | System for transmitting stereophonic signals over electric power lines |
US4829570A (en) * | 1987-05-22 | 1989-05-09 | Recoton Corporation | Wireless remote speaker system |
US5129006A (en) * | 1989-01-06 | 1992-07-07 | Hill Amel L | Electronic audio signal amplifier and loudspeaker system |
DE3925919A1 (de) * | 1989-08-04 | 1991-03-21 | T & A Elektroakustik Gmbh | Schallwandlersystem |
JP3312935B2 (ja) * | 1992-11-10 | 2002-08-12 | 東北パイオニア株式会社 | 車載用マルチアンプシステム |
WO1994016536A1 (en) * | 1993-01-06 | 1994-07-21 | Velodyne Acoustics, Inc. | Speaker containing dual coil |
US5390246A (en) * | 1993-04-19 | 1995-02-14 | Gay; Jean-Philippe | Portable multimedia marketing system |
US5973368A (en) * | 1996-06-05 | 1999-10-26 | Pearce; Lawrence G. | Monolithic class D amplifier |
US5994998A (en) * | 1997-05-29 | 1999-11-30 | 3Com Corporation | Power transfer apparatus for concurrently transmitting data and power over data wires |
US5983087A (en) * | 1997-06-26 | 1999-11-09 | Delco Electronics Corporation | Distributed digital signal processing for vehicle audio systems |
US6178514B1 (en) * | 1998-07-31 | 2001-01-23 | Bradley C. Wood | Method and apparatus for connecting a device to a bus carrying power and a signal |
US6643566B1 (en) * | 1999-01-12 | 2003-11-04 | Powerdsine Ltd. | System for power delivery over data communication cabling infrastructure |
JP3457596B2 (ja) * | 1999-11-19 | 2003-10-20 | Necビューテクノロジー株式会社 | Usb対応スピーカ駆動システム |
US20040223622A1 (en) * | 1999-12-01 | 2004-11-11 | Lindemann Eric Lee | Digital wireless loudspeaker system |
GB0019925D0 (en) * | 2000-08-15 | 2000-09-27 | Linn Prod Ltd | Multipe configuration loudspeaker terminals |
US20020072816A1 (en) * | 2000-12-07 | 2002-06-13 | Yoav Shdema | Audio system |
SE0101720D0 (sv) | 2001-05-16 | 2001-05-16 | Bang & Olufsen Powerhouse As | Apparatus for electric to acoustic conversion |
CN1174658C (zh) * | 2001-07-17 | 2004-11-03 | 张国华 | 全数字化音响系统 |
DE10135463A1 (de) * | 2001-07-20 | 2003-03-13 | Klotz Digital Ag | Vorrichtung zur Übertragung, zum Empfang und zur Bearbeitung von Audiosignalen und Steuersignalen in Lautsprecheranlagen |
US20030081120A1 (en) * | 2001-10-30 | 2003-05-01 | Steven Klindworth | Method and system for providing power and signals in an audio/video security system |
KR100956566B1 (ko) * | 2002-04-17 | 2010-05-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Gps 수신기를 구비한 스피커 |
US20030220705A1 (en) * | 2002-05-24 | 2003-11-27 | Ibey Jarry A. | Audio distribution system with remote control |
JP2004023549A (ja) * | 2002-06-18 | 2004-01-22 | Denon Ltd | マルチチャンネル再生装置及びマルチチャンネル再生用スピーカ装置 |
US7668321B2 (en) * | 2003-06-17 | 2010-02-23 | Texas Instruments Incorporated | Automatic power foldback for audio applications |
US20050094735A1 (en) * | 2003-10-31 | 2005-05-05 | Crawford Richard D. | Interface for digital signals and power transmitted over a pair of wires |
JP2005223372A (ja) * | 2004-02-03 | 2005-08-18 | Foster Electric Co Ltd | Usb対応アンプ内蔵スピーカ装置 |
US20050177256A1 (en) | 2004-02-06 | 2005-08-11 | Peter Shintani | Addressable loudspeaker |
US20060020354A1 (en) * | 2004-07-26 | 2006-01-26 | Lorkovic Joseph E | Digital home audio system |
US8015590B2 (en) * | 2004-12-30 | 2011-09-06 | Mondo Systems, Inc. | Integrated multimedia signal processing system using centralized processing of signals |
US7653447B2 (en) * | 2004-12-30 | 2010-01-26 | Mondo Systems, Inc. | Integrated audio video signal processing system using centralized processing of signals |
US7672465B2 (en) * | 2005-01-14 | 2010-03-02 | Sony Corporation | System and method for synchronization using GPS in home network |
US7778718B2 (en) | 2005-05-24 | 2010-08-17 | Rockford Corporation | Frequency normalization of audio signals |
HK1095700A2 (en) * | 2006-03-08 | 2007-05-11 | Kater Technology Ltd | Wireless audio/video system with remote playback and control |
US8385561B2 (en) * | 2006-03-13 | 2013-02-26 | F. Davis Merrey | Digital power link audio distribution system and components thereof |
US7535341B2 (en) * | 2006-03-23 | 2009-05-19 | Haase Edward H | Combination speaker / light fixture |
US7356603B2 (en) * | 2006-03-29 | 2008-04-08 | Rauland - Borg Corporation | Integrated system of loads with multiple public awareness functions |
US7945067B2 (en) * | 2006-10-06 | 2011-05-17 | Shannon R. Mott | Audio system housed by an enclosure with a substantially waterproof seal |
-
2007
- 2007-02-08 SE SE0700315A patent/SE531023C2/sv not_active IP Right Cessation
-
2008
- 2008-02-05 US US12/525,810 patent/US8879754B2/en not_active Expired - Fee Related
- 2008-02-05 WO PCT/SE2008/000096 patent/WO2008097159A1/en active Application Filing
- 2008-02-05 EP EP08712703A patent/EP2111707A4/en not_active Withdrawn
- 2008-02-05 CN CN200890000033.4U patent/CN201590835U/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2008097159A1 (en) | 2008-08-14 |
SE531023C2 (sv) | 2008-11-18 |
CN201590835U (zh) | 2010-09-22 |
EP2111707A4 (en) | 2013-03-06 |
EP2111707A1 (en) | 2009-10-28 |
US8879754B2 (en) | 2014-11-04 |
US20100074457A1 (en) | 2010-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE0700315L (sv) | Ljudåtergivningssystem | |
ATE526733T1 (de) | Hocheffizienter unrichter zur bereitstellung einer schaltverstärkervorspannung | |
DE60327052D1 (de) | Verarbeitungssystem für Stereo Audiosignale | |
WO2008033491A3 (en) | Audio data streaming with auto switching between wireless headset and speakers | |
JP6421120B2 (ja) | 両耳聴覚システムおよび方法 | |
EA201170576A1 (ru) | Мультимедийная звуковая система со звукочастотным цифровым интерфейсом | |
EP3637419A3 (en) | Video headphones, system, platform, methods, apparatuses and media | |
WO2007107985A3 (en) | Method and system for bone conduction sound propagation | |
SG10201408085RA (en) | Personal audio equipment | |
ATE542374T1 (de) | Adaptive entzerrung fuer lautsprecher | |
MX2009005699A (es) | Sistema y metodo para el procesamiento de señales digitales. | |
WO2011085096A3 (en) | Dj mixing headphones | |
MX2007001712A (es) | Sistema y metodo para procesamiento de senales de audio para su presentacion en un entorno con alto nivel de ruido. | |
TW200726298A (en) | Headphone device | |
UA115119C2 (uk) | Поліпшення відтворення множини аудіоканалів | |
ATE539515T1 (de) | Lokales netzwerk und verfahren zum konfigurieren desselben unter verwendung von katalogen | |
WO2009066906A3 (en) | Apparatus for sound having multiple stereo imaging | |
DK1730993T3 (da) | Høreanordning med to eller flere mikrofoner | |
WO2008094235A3 (en) | System and method for muting tv speakers when headphones in use | |
DK1933593T3 (da) | Fremgangsmåde til sidedefinition ved tilpasningen af høreapparater | |
EP2375789A3 (en) | Audio processing apparatus | |
ATE536054T1 (de) | Tonverarbeitungsvorrichtung | |
TW201933888A (zh) | 立體聲音訊系統及方法 | |
GB2486855A (en) | Apparatus and method for reproducing an audio signal | |
JP2007097007A (ja) | 複数人用ポータブルオーディオ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |