CS189962B1 - Appliance for directionally true electroacoustic transmission of sound - Google Patents
Appliance for directionally true electroacoustic transmission of soundInfo
- Publication number
- CS189962B1 CS189962B1 CS153476A CS153476A CS189962B1 CS 189962 B1 CS189962 B1 CS 189962B1 CS 153476 A CS153476 A CS 153476A CS 153476 A CS153476 A CS 153476A CS 189962 B1 CS189962 B1 CS 189962B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- directionally
- appliance
- true
- sound
- electroacoustic transmission
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
-
- 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
- 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
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD18473775A DD120341A1 (en) | 1975-03-13 | 1975-03-13 | |
DD19093976 | 1976-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CS189962B1 true CS189962B1 (en) | 1979-05-31 |
Family
ID=25747544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS153476A CS189962B1 (en) | 1975-03-13 | 1976-03-09 | Appliance for directionally true electroacoustic transmission of sound |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT345363B (en) |
CS (1) | CS189962B1 (en) |
DE (1) | DE2605056C2 (en) |
HU (1) | HU174282B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU190912B (en) * | 1983-09-07 | 1986-12-28 | Polyak,Gabor,Hu | Method and apparatus for making stereoscopic sound effects |
DD242954A3 (en) * | 1983-12-14 | 1987-02-18 | Deutsche Post Rfz | GREATER SOUND SYSTEM |
GB8402682D0 (en) * | 1984-02-01 | 1984-03-07 | Audim Sa | Stereophonic sound system |
FR2646048B1 (en) * | 1989-04-17 | 1991-05-31 | Merjithur Sarl | POLYPHONIC ROOM WITH ITS HOMOGENEOUS AND INSTALLATION OF THE SAME TYPE |
DE102005033238A1 (en) * | 2005-07-15 | 2007-01-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for driving a plurality of loudspeakers by means of a DSP |
DE102010049204A1 (en) | 2010-10-20 | 2012-04-26 | G. Fleischhauer Ingenieurbüro Cottbus GmbH | Method and arrangement for optimizing the room parameters sound, lighting and air conditioning |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE560095A (en) * | ||||
DE935505C (en) * | 1951-02-05 | 1955-11-24 | Tefi Appbau Dr Daniel K G | Method for reproducing the sound recordings of sound performances |
-
1976
- 1976-02-10 DE DE19762605056 patent/DE2605056C2/en not_active Expired
- 1976-02-13 AT AT102676A patent/AT345363B/en not_active IP Right Cessation
- 1976-03-09 CS CS153476A patent/CS189962B1/en unknown
- 1976-03-09 HU HU76DE908A patent/HU174282B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2605056A1 (en) | 1976-09-23 |
ATA102676A (en) | 1978-01-15 |
DE2605056C2 (en) | 1991-11-28 |
HU174282B (en) | 1979-12-28 |
AT345363B (en) | 1978-09-11 |
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