GR3025705T3 - Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space. - Google Patents

Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space.

Info

Publication number
GR3025705T3
GR3025705T3 GR970403356T GR970403356T GR3025705T3 GR 3025705 T3 GR3025705 T3 GR 3025705T3 GR 970403356 T GR970403356 T GR 970403356T GR 970403356 T GR970403356 T GR 970403356T GR 3025705 T3 GR3025705 T3 GR 3025705T3
Authority
GR
Greece
Prior art keywords
acoustic
stereo effect
polarizing
localized
aim
Prior art date
Application number
GR970403356T
Other languages
Greek (el)
Inventor
Waldemar Dipl-Ing Kehler
Original Assignee
Kehler Waldemar
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 DE19924244397 external-priority patent/DE4244397C2/en
Application filed by Kehler Waldemar filed Critical Kehler Waldemar
Publication of GR3025705T3 publication Critical patent/GR3025705T3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Abstract

A process is disclosed for producing polarized acoustic fields. The directionality thereby obtained in a very wide auditory range, even with a very small monolithic, purely passive system, results in a subjectively unusually broad spatial stereo effect. The ability of bodies (acoustic "conductors", including "insulators" or action reflectors for mirror sources) to create at least one spatial preferred direction for the wave progression by means of internal structuring, special geometries and surfaces is exploited to this end (polarization). Longitudinally structured bodies, especially clusters of capillary tubes, have this ability and favour one longitudinal component of the acoustic progression. The record-side acoustic 3-D space appears to be reproducible in phase using acoustic transducers according to the process to a large extent without electronic aids. However, active smoothing of frequency-response and phase-response advantageously compensate for certain system-related features. Electronic delay units simulate the behaviour of the enclosure of a system according to the invention and improve its characteristics.
GR970403356T 1992-12-29 1997-12-17 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space. GR3025705T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19924244397 DE4244397C2 (en) 1992-12-29 1992-12-29 Method and device for stereophonic reproduction and recording
DE4323537 1993-07-14
PCT/EP1993/003716 WO1994015439A2 (en) 1992-12-29 1993-12-29 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space

Publications (1)

Publication Number Publication Date
GR3025705T3 true GR3025705T3 (en) 1998-03-31

Family

ID=25921860

Family Applications (1)

Application Number Title Priority Date Filing Date
GR970403356T GR3025705T3 (en) 1992-12-29 1997-12-17 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space.

Country Status (16)

Country Link
EP (1) EP0677234B1 (en)
JP (1) JPH08504963A (en)
KR (1) KR960700619A (en)
AT (1) ATE158463T1 (en)
AU (1) AU6425094A (en)
BR (1) BR9307798A (en)
CA (1) CA2152611A1 (en)
CZ (1) CZ288068B6 (en)
DE (1) DE59307400D1 (en)
DK (1) DK0677234T3 (en)
ES (1) ES2110739T3 (en)
GR (1) GR3025705T3 (en)
HU (1) HUT72948A (en)
PL (1) PL174848B1 (en)
RU (1) RU95114372A (en)
WO (1) WO1994015439A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1487847A (en) * 1974-09-25 1977-10-05 Ard Anstalt Microphone units
GB1572093A (en) * 1976-03-16 1980-07-23 Wehner R Omniphonic transducer system
GB8617953D0 (en) * 1986-07-23 1986-08-28 Wehner R Microphone & loudspeaker system
US5109416A (en) * 1990-09-28 1992-04-28 Croft James J Dipole speaker for producing ambience sound

Also Published As

Publication number Publication date
ES2110739T3 (en) 1998-02-16
HUT72948A (en) 1996-06-28
PL310082A1 (en) 1995-11-27
WO1994015439A3 (en) 1994-08-18
HU9501092D0 (en) 1995-06-28
KR960700619A (en) 1996-01-20
EP0677234B1 (en) 1997-09-17
DE59307400D1 (en) 1997-10-23
AU6425094A (en) 1994-07-19
BR9307798A (en) 1995-11-14
PL174848B1 (en) 1998-09-30
JPH08504963A (en) 1996-05-28
CZ169895A3 (en) 1996-04-17
CA2152611A1 (en) 1994-07-07
DK0677234T3 (en) 1998-05-25
WO1994015439A2 (en) 1994-07-07
CZ288068B6 (en) 2001-04-11
ATE158463T1 (en) 1997-10-15
RU95114372A (en) 1997-04-20
EP0677234A1 (en) 1995-10-18

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