CS189962B1 - Appliance for directionally true electroacoustic transmission of sound - Google Patents

Appliance for directionally true electroacoustic transmission of sound

Info

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
Application number
CS153476A
Other languages
Czech (cs)
Inventor
Waletr Reichardt
Wolfgang Ahnert
Wolfgang Hoeg
Frank Steffen
Gerhard Steinke
Original Assignee
Waletr Reichardt
Wolfgang Ahnert
Wolfgang Hoeg
Frank Steffen
Gerhard Steinke
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DD18473775A external-priority patent/DD120341A1/xx
Application filed by Waletr Reichardt, Wolfgang Ahnert, Wolfgang Hoeg, Frank Steffen, Gerhard Steinke filed Critical Waletr Reichardt
Publication of CS189962B1 publication Critical patent/CS189962B1/en

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)
CS153476A 1975-03-13 1976-03-09 Appliance for directionally true electroacoustic transmission of sound CS189962B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2605056A1 (en) 1976-09-23
DE2605056C2 (en) 1991-11-28
AT345363B (en) 1978-09-11
HU174282B (en) 1979-12-28
ATA102676A (en) 1978-01-15

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