DE9012169U1 - Loudspeaker adaptation grille for sound improvement - Google Patents
Loudspeaker adaptation grille for sound improvementInfo
- Publication number
- DE9012169U1 DE9012169U1 DE9012169U DE9012169U DE9012169U1 DE 9012169 U1 DE9012169 U1 DE 9012169U1 DE 9012169 U DE9012169 U DE 9012169U DE 9012169 U DE9012169 U DE 9012169U DE 9012169 U1 DE9012169 U1 DE 9012169U1
- Authority
- DE
- Germany
- Prior art keywords
- slats
- frame
- loudspeaker
- adaptation
- grille
- 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.)
- Expired - Lifetime
Links
- 230000006978 adaptation Effects 0.000 title claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 2
- 239000002023 wood Substances 0.000 claims 1
- 241000446313 Lamella Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
BeschreibungDescription
Das Lamellen-Adaptionsgitter für Lautsprecher zur Klangverbesserung soll den Klang dreidimensionaler, natürlicher und dynamischer machen. Über ein genau plaziertes Lamellensystem und im Rahmen seitlich und oben und unten befindlichen Schallaustrittsöffnungen wird der Schall des dahinter aufzustellenden Lautsprechers geleitet, reflektiert und räumlich moduliert.The slatted adaptation grille for loudspeakers to improve sound is intended to make the sound more three-dimensional, natural and dynamic. The sound from the loudspeaker placed behind it is directed, reflected and spatially modulated via a precisely placed slatted system and sound outlet openings on the sides and at the top and bottom of the frame.
Bisher gibt es nur für HochtnnchassiL·- kleine kurze Abstronlbleche, die nur eine breitere Abstnuilung, jedoch keine KiangverbesserxiD- bewirken.So far there are only small, short deflector plates for high-pitched chassis, which only result in a wider gradation but no improvement in sound.
Die Erfindung des Lamellen-Adaptionsgitters geht von der Erkenntnis aus, daü JiäS Wiedergabe eines Schallwandlers wesentlich b.^'nträchtrgt wiz-ö, wenn Membranschwingungen unmittelbar in Luftschwingungen umgesetzt wer den, wie es bisher immernoch bei allen Lau-jprechersystemen geschi'?}-^- Das Lamellen-Adaptionsgitter wirkt dabei selbst als eine Art "Schallfokus", der als übexrtr;-.^. '" den S& „11 räumlich aufbereitet, sodaß die Fcinauflösung, der Wirkuii^^osac- ^d die xusj-kaliscn-räumliche N-t^rlich- K~lt von Musik vsi >ssert oder arnt em£glicht wird. Voraussetzung ist ein- möglichst hochwertige Wiedb jobekettc. 'e besser diese ist, destd ii&utlit;'':.-■*· kann d« Lamellen-Adaptionsgitc.r seine Wirkung entfalten. The invention of the lamella adaptation grille is based on the realization that the reproduction of a sound transducer is significantly impaired if membrane vibrations are converted directly into air vibrations, as has happened with all loudspeaker systems to date. The lamella adaptation grille itself acts as a kind of "sound focus" which acts as an overextended source. The sound is spatially processed so that the resolution, the effect and the spatial naturalness of music are increased or reduced . The prerequisite is the highest possible quality of playback. The better this is, the better the lamella adaptation grille can unfold its effect.
Alle Teile und Flächen des Adaptions* ^s müssen den maximal vorkom menden Schalldrücken standhalten ohne mitzuschwingen. Die Lamellen soll ten elastisch mit dem Rahmen verbunden werden. (z.B. mit Beilagscheiben <; aus Gummi) Ku istst^fflamellen können mit dem Rahmen verklebt werden. All parts and surfaces of the adaptation must withstand the maximum sound pressures without vibrating. The lamellae should be elastically connected to the frame (e.g. with rubber washers). Plastic lamellae can be glued to the frame.
Figur 1 zeigt perspektivisch die Form der Lamellen mit ihren 4 Stegen.Figure 1 shows in perspective the shape of the slats with their 4 webs.
Figur 2 zeigt die Draufsicht im Maßstab 1:1, wenn die obere Gehäuseab-Figure 2 shows the top view in 1:1 scale when the upper housing
deckung abgenommen ist. Aus Platzgründen ist nur die obere linke Eckecover is removed. For reasons of space, only the upper left corner
■ &igr; sehen. Die beweglichen Lamellen, Ziff. 3) werden parallel zu einan- ■ &igr; see. The movable slats, item 3) are parallel to each other.
&iacgr; der eingestellt im Winkel zwischen 0° und 45" je nach Erfordernissen.&iacgr; which is adjusted at an angle between 0° and 45" depending on requirements.
&rgr; Ziff. 5) - Lamellendrehpunkt, Ziff 4)=einstellbarer Winkel, hier 45"&rgr; No. 5) - slat pivot point, No. 4)=adjustable angle, here 45"
% Ziff. 1)= Rahmen, Ziff. 2) = oberste horizontale Lamelle.% Item 1) = frame, item 2) = top horizontal slat.
&khgr; Werden die Lautsprecher eines Stcreopaares sehr weit voneinander aufgestellt, ist der maximale Winkel von 45" sinnvoll, ansonsten können entsprechend spitzere Winkel eingestellt werden. Die vorderen Lamellen zeigen bei einem Stereopaar aufeinander zu, d.h., die Stege der vorderen Lamellen zeigen beim linken Adaptionsgitter nach rechts und beim rechten nach links. Schallaustritt: Figur 4 mit Pfeilen Ziff l)+2 = linkes und rechtes Adaptionsgitter, Ziff. 3) = Schallaustrittssch^itze im Rahmen oben seitlich und unten. Figur 3 zeigt die Raumansicht schema- tisch-perspektiv sch des linken Adaptionsgitters: Ziff. 1) = Rahmen, Ziff. 2) = hintere horizontale Lamellen, die von der hintersten Rahmenkante ca. 2,5cm entfernt sein sollten und nach vorne mindestens 2,5 cm Abstand zu den vorderen vertikalen Lamellen = Ziff 3) haben sollten. Ziff 4) zeigt oben und seitlich die mindestens 2,5 cm breiten Schallaustrittsschlitze, die auch unten und auf der anderen Seite links sich befinden, (durch Perspektive nicht sichtbar) &khgr; If the loudspeakers of a stereo pair are placed very far apart, the maximum angle of 45" is sensible, otherwise more acute angles can be set accordingly. The front slats of a stereo pair point towards each other, ie the bars of the front slats point to the right on the left adaptation grille and to the left on the right. Sound outlet: Figure 4 with arrows, points 1)+2 = left and right adaptation grille, point 3) = sound outlet slots in the frame at the top, side and bottom. Figure 3 shows the room view in schematic perspective of the left adaptation grille: point 1) = frame, point 2) = rear horizontal slats, which should be approx. 2.5cm away from the rearmost edge of the frame and at least 2.5cm away from the front vertical slats = point 3). Point 4) shows the sound outlet slots at the top and sides, which are at least 2.5cm wide and also at the bottom. and on the other side on the left (not visible due to perspective)
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9012169U DE9012169U1 (en) | 1990-08-24 | 1990-08-24 | Loudspeaker adaptation grille for sound improvement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9012169U DE9012169U1 (en) | 1990-08-24 | 1990-08-24 | Loudspeaker adaptation grille for sound improvement |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9012169U1 true DE9012169U1 (en) | 1990-10-25 |
Family
ID=6856799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9012169U Expired - Lifetime DE9012169U1 (en) | 1990-08-24 | 1990-08-24 | Loudspeaker adaptation grille for sound improvement |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9012169U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10425723B2 (en) | 2015-08-14 | 2019-09-24 | Dolby Laboratories Licensing Corporation | Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering |
-
1990
- 1990-08-24 DE DE9012169U patent/DE9012169U1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10425723B2 (en) | 2015-08-14 | 2019-09-24 | Dolby Laboratories Licensing Corporation | Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering |
US11006212B2 (en) | 2015-08-14 | 2021-05-11 | Dolby Laboratories Licensing Corporation | Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering |
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