JP2890764B2 - Car speaker - Google Patents
Car speakerInfo
- Publication number
- JP2890764B2 JP2890764B2 JP2246235A JP24623590A JP2890764B2 JP 2890764 B2 JP2890764 B2 JP 2890764B2 JP 2246235 A JP2246235 A JP 2246235A JP 24623590 A JP24623590 A JP 24623590A JP 2890764 B2 JP2890764 B2 JP 2890764B2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- speaker
- vehicle
- speakers
- mid
- 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
Landscapes
- Stereophonic Arrangements (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Stereophonic System (AREA)
Description
【発明の詳細な説明】 ［発明の目的］ （産業上の利用分野） この発明は車載スピーカの改良に関し、更に具体的に
は自動車の車室内前座席位置、つまりフロント位置に設
ける車載スピーカに関する。Description of the Invention [Object of the Invention] (Industrial application field) The present invention relates to an improvement of an in-vehicle speaker, and more specifically, to an in-vehicle speaker provided at a front seat position of an automobile, that is, at a front position.
（従来の技術） この種の車載スピーカ１は、従来は、第９図に示すよ
うに構成されていた。すなわち、ドアミラーを取り付け
たフロントドア２上のドアミラー・コーナカバー2aの内
側と、フロントピラー３およびフロントガラス４に囲ま
れた隅角部に配置され、スピーカの主音軸（破線で示
す）５が車室内前座席位置の乗員6,7に浮くように設置
されていた。(Prior Art) This kind of in-vehicle speaker 1 is conventionally configured as shown in FIG. That is, the main sound axis (shown by a broken line) 5 of the speaker is disposed inside the door mirror corner cover 2a on the front door 2 on which the door mirror is mounted and at the corner surrounded by the front pillar 3 and the windshield 4. It was installed so as to float on the occupants 6, 7 at the front seat position in the room.
（発明が解決しようとする課題） ところが、上述した従来の車載スピーカによると、第
10図に示すようにスピーカ1,1に近い側の前座席位置の
乗員（聴取者）には音圧レベルの大きな直接音が到達
し、乗員の位置に形成される距離対音圧レベルの関係は
第11図に示すように（ただし、距離は音の到達時間で示
す）スピーカに影響され、左右の音圧バランスが悪く、
間接成分は殆んど入らず、臨場感に乏しい音像しか形成
されない欠点があった。(Problems to be solved by the invention) However, according to the above-mentioned conventional vehicle-mounted speaker,
As shown in Fig. 10, the direct sound with a large sound pressure level reaches the occupant (listener) at the front seat position close to the speakers 1 and 1, and the relationship between the distance formed at the occupant position and the sound pressure level Is affected by the speaker as shown in Fig. 11 (however, the distance is indicated by the arrival time of the sound), and the sound pressure balance between the left and right is poor,
There is a drawback that almost no indirect component is included and only a sound image with poor realism is formed.
そこでこの発明は、このような車載スピーカの欠点を
除去するためになされたものであって、乗員（聴取者）
の耳に入る左右の音圧レベルがバランスし、直接音のみ
ならず、間接音も乗員（聴取者）に達し、臨場感を与え
る音像が形成される車載スピーカを提供しようとするも
のである。Therefore, the present invention has been made to eliminate such drawbacks of the in-vehicle speaker, and has been made in consideration of an occupant (listener).
It is intended to provide an in-vehicle loudspeaker in which the left and right sound pressure levels entering a user's ear are balanced, and not only a direct sound but also an indirect sound reach an occupant (listener) and a sound image giving a sense of realism is formed.
［発明の構成］ （課題を解決するた手段） 以上の課題を達成するために、請求項（１）の車載ス
ピーカは、左右のフロントピラーの下部にそれぞれ中高
音のスピーカを、主音軸がフロントガラスおよびインス
ツルメントパネル面とほぼ平行に指向させて配置すると
共に、フロントドア前方下部および／又はダッシュサイ
ドにそれぞれ対の中高音スピーカを設けたことを特徴と
するものである。[Means for Solving the Problems] In order to achieve the above object, a vehicle-mounted speaker according to claim (1) has middle and high pitched speakers below the left and right front pillars, and the main sound axis is front. It is characterized by being arranged so as to be directed substantially parallel to the glass and instrument panel surfaces, and provided with a pair of middle and high frequency speakers respectively at the lower front part of the front door and / or the dash side.
また、請求項（２）の車載スピーカは前記請求項
（１）記載の車載スピーカのインスツルメントパネル中
央上部に、直接成分と間接成分の合成信号を含む音声を
出力する中高音スピーカを設けたことを特徴とするもの
である。According to a second aspect of the present invention, there is provided an in-vehicle speaker provided with a middle and high-frequency speaker for outputting a sound including a combined signal of a direct component and an indirect component at a center upper portion of an instrument panel of the in-vehicle speaker according to the first aspect. It is characterized by the following.
（作用） したがって、この発明の車載スピーカによれば左右の
フロントピラー下部にそれぞれ配置した中高音スピーカ
から出力される音声の音圧レベルは、スピーカの主音軸
がフロントガラスおよびインスツルメントパネルとほぼ
平行に指向されて配置されているため、スピーカに近い
側の乗員に小さい音圧レベルの音、遠い側の乗員には大
きい音圧レベルの音を出力するため、結果的に左右の音
圧レベルを一致させることができ、理想的なステレオセ
パレーションおよび音像定位を形成できる。(Operation) Therefore, according to the in-vehicle speaker of the present invention, the sound pressure level of the sound output from the middle and high treble speakers arranged below the left and right front pillars is almost equal to that of the main sound axis of the speaker with respect to the windshield and the instrument panel. Since they are arranged parallel to each other, a sound with a low sound pressure level is output to the occupant near the speaker, and a sound with a high sound pressure level is output to the occupant far from the speaker. Can be matched, and ideal stereo separation and sound image localization can be formed.
また、中高音スピーカがフロントピラー、フロントガ
ラスおよびインスツルメントパネル面に囲まれた隅角部
に配置されているため、多くの反射音をバランスよく、
車室内前座席位置の乗員へは直接音のみならず間接音が
出力されるから豊かな臨場感を与えることができる。In addition, since the mid-treble speaker is located at the corner surrounded by the front pillar, the windshield and the instrument panel surface, many reflected sounds are well balanced,
An indirect sound is output as well as a direct sound to the occupant at the front seat position in the vehicle cabin, so that a rich sense of realism can be given.
さらに、フロントドア前方下部および／又はダッシュ
サイドにそれぞれ対の中高音スピーカを設けたことによ
り、フロントピラーに設けた中高音スピーカとの音圧バ
ランスを適度にとることによって上下方向の音像の移動
を低減することができる。Furthermore, by providing a pair of middle and high frequency speakers at the lower front part and / or the dash side of the front door, a sound pressure balance with the middle and high frequency speakers provided on the front pillar is appropriately adjusted, thereby moving the sound image in the vertical direction. Can be reduced.
（実施例） 次に、図面に基づいてこの発明の実施例にかかる車載
スピーカについて具体的に説明する。Next, a vehicle-mounted speaker according to an embodiment of the present invention will be specifically described with reference to the drawings.
第１図，第２図および第３図はそれぞれ、この発明の
第１の実施例の一部を構成する車載スピーカの配置状
態、自動車車室内の音声の伝達状態を示す横方向（水平
方向）要部断面および縦方向（鉛直方向）要部断面を示
す。第１図ないし第３図中、１は中高音スピーカ、２は
フロントドア,2aはドアミラー・コーナカバー、３はフ
ロントピラー、４はフロントガラス、８はインスツルメ
ントパネルである。FIGS. 1, 2 and 3 are lateral (horizontal) views respectively showing an arrangement state of an in-vehicle speaker and a transmission state of sound in a vehicle cabin, which form a part of the first embodiment of the present invention. The main part cross section and the vertical direction (vertical direction) main part cross section are shown. In FIGS. 1 to 3, reference numeral 1 denotes a mid-high speaker, 2 denotes a front door, 2a denotes a door mirror / corner cover, 3 denotes a front pillar, 4 denotes a front glass, and 8 denotes an instrument panel.
この中高音スピーカ１は自動車の左右のフロントピラ
ー3,3（図示せず）の下部にそれぞれ、中高音スピーカ
1,1の主軸音5,5がそれぞれフロントガラス４方向に向
き、かつ、インスツルメントパネル８およびフロントガ
ラス４面に平行に取り付けられている。The treble speaker 1 is located below the left and right front pillars 3, 3 (not shown) of the vehicle, respectively.
1,1 and 5, the main shaft sounds 5,5 are respectively directed in the direction of the windshield 4 and are attached in parallel to the instrument panel 8 and the surface of the windshield 4.
中高音スピーカ1,1を上述のように自動車の前座席位
置に配置すると、それぞれの中高音スピーカ1,1に近い
方の前座席位置の乗員６および７に対して、中高音スピ
ーカ1,1からの距離により第４図に示すような時間対音
圧レベルの関係をもつ直接音および間接音が到達するよ
うになる（ただし、第４図中ＲおよびＬはそれぞれ、遠
い方に取り付けた中高音スピーカから乗員に到達する音
声の時間対音圧レベルの特性図および近い位置に取り付
けた中高音スピーカから乗員に到達する音声の時間対音
圧レベルの特性図を示す。When the mid-treble speakers 1,1 are arranged at the front seat position of the vehicle as described above, the occupants 6 and 7 at the front seat positions closer to the respective mid-treble speakers 1,1 are directed to the mid-treble speakers 1,1. A direct sound and an indirect sound having a time-to-sound pressure level relationship as shown in FIG. 4 arrive according to the distance from the object (note that R and L in FIG. FIG. 3 shows a characteristic diagram of time versus sound pressure level of a sound reaching a passenger from a high-pitched speaker and a characteristic diagram of time versus sound pressure level of a sound reaching a passenger from a middle / high-pitched speaker installed near.
第４図の特性図から、中高音スピーカ1,1に近い方に
位置する乗員（聴取者）に到達する音声は、直接成分の
みならず、多数の間接成分が伝達される。また、乗員か
ら遠い距離に位置する中高音スピーカからも直接音のみ
ならず間接音成分が到達し、左，右の中高音スピーカか
ら到達する音圧レベルのバランスが取れ、豊かな臨場感
にあふれた音声が聴取できる。なお、本実施例での中高
音スピーカ1,1を乗務員の耳の高さ近傍に位置するよう
に左右のフロントピラー3,3に取り付けると直接音の到
達が強くできる。From the characteristic diagram shown in FIG. 4, not only direct components but also many indirect components are transmitted to the occupant (listener) located closer to the middle and high treble speakers 1,1. In addition, not only the direct sound but also the indirect sound component arrives from the mid-treble speaker located at a distance from the occupant, and the sound pressure levels reaching from the left and right mid-treble speakers are balanced, giving a rich sense of presence. You can listen to the audio. It should be noted that the direct sound can be enhanced by attaching the middle and high pitch speakers 1, 1 in this embodiment to the left and right front pillars 3, 3 so as to be positioned near the height of the crew's ears.
また、第６図は、この発明の第１の実施例の車載スピ
ーカを示すもので、第１図に示したスピーカに加えて左
右のフロントピラー3,3下部に配設すると共に、左右の
フロントドア２の内側下部にそれぞれコアキシアル（co
−axial）2 wayスピーカ9,9（ただし、他方のスピーカ
９は図示せず）を配設したものである。FIG. 6 shows an in-vehicle speaker according to a first embodiment of the present invention. In addition to the speakers shown in FIG. A core axial (co
-Axial) Two-way speakers 9, 9 (the other speaker 9 is not shown) are provided.
さらに、第８図は、フロントドア前方下部に中高音ス
ピーカ９を配設すると共に、ダッシュサイドに中高音ス
ピーカ10を配設したものである。Further, FIG. 8 shows an arrangement in which a mid-treble speaker 9 is arranged at the lower front part of the front door, and a mid-treble speaker 10 is arranged at the dash side.
従来例としてのフロントドアの下部にウーハー，フロ
ントピラーに対のスピーカを配置した場合、ボーカルな
どの声は、高い声は対のスピーカから出力され、低い声
はウーハーから出力されるため、音像が上にいったり、
下にいったりするという欠点がある。したがって第８図
のように、ダッシュパネル部の下部および／又はフロン
トドア前方下部に対の中高音スピーカを追加し、ピラー
ツィーターと音圧バランスを適度にとることによって、
上下方向の音像の移動をなくすことができる。When a pair of speakers is arranged on the woofer and the front pillar below the front door as a conventional example, voices such as vocals are output from the pair of speakers while high voices are output from the pair of loudspeakers. Go up,
There is a drawback of going down. Therefore, as shown in FIG. 8, by adding a pair of middle and high frequency speakers to the lower part of the dash panel part and / or the lower part in front of the front door, and appropriately balancing the sound pressure with the pillar tweeter,
The movement of the sound image in the vertical direction can be eliminated.
さらにまた、第７図は、この発明の第２の実施例の車
載スピーカによる前座席位置における音声の伝達状態を
示す横方向断面図である。第７図中、１は中高音スピー
カ、1Cは中高音スピーカ、３はフロントピラー、８はイ
ンスツルメントパネルである。FIG. 7 is a transverse sectional view showing the state of sound transmission at the front seat position by the in-vehicle speaker according to the second embodiment of the present invention. In FIG. 7, reference numeral 1 denotes a middle / high pitch speaker, 1C denotes a middle / high pitch speaker, 3 denotes a front pillar, and 8 denotes an instrument panel.
上記第１の実施例のシステムを加え、図７に示すよう
に、インスツルメントパネル８の中央上部に中高音スピ
ーカー1Cを設置し、少なくとも直接音と間接音の合成し
た信号を出力するように構成すると、これにより、左右
のみの中高音スピーカでは困難だったフロントガラス前
方の中央に音像定位をもってくることが可能となる。ま
た、上下方向の音像もインスツルメントパネル上面上に
左から右までが均一に定位するようになる。In addition to the system of the first embodiment, as shown in FIG. 7, a middle / treble speaker 1C is installed at the upper center of the instrument panel 8 so that at least a signal obtained by combining a direct sound and an indirect sound is output. With this configuration, it is possible to bring the sound image localization to the center in front of the windshield, which has been difficult with middle and high pitch speakers only for the left and right. Further, the sound image in the vertical direction is also localized uniformly from left to right on the upper surface of the instrument panel.
［発明の効果］ 以上の説明から明らかなように、この発明にかかる車
載スピーカは、左右のフロントピラー下部にそれぞれ、
主音軸をフロントガラスおよびインスツルメントパネル
面に平行に指向するように中高音スピーカに対して配設
するから、スピーカにステレオセパレーションが確保で
き、偏りのない音像定位を形成することができる。[Effects of the Invention] As is clear from the above description, the in-vehicle speaker according to the present invention has the lower left and right front pillars respectively.
Since the main sound axis is arranged for the middle and high-pitched loudspeakers so as to be directed parallel to the windshield and the instrument panel surface, stereo separation can be ensured in the loudspeakers, and sound image localization without bias can be formed.
また、間接音の発生により豊かな臨場感のある音声を
出力させることができる。Further, it is possible to output a rich realistic sound by generating indirect sound.
さらに、フロントドア前方下部および／又はダッシュ
サイドにそれぞれ対の中高音スピーカを設けたことによ
り、フロントピラーに設けた中高音スピーカとの音圧バ
ランスを適度にとることによって上下方向の音像の移動
を低減することができる。Furthermore, by providing a pair of middle and high frequency speakers at the lower front part and / or the dash side of the front door, a sound pressure balance with the middle and high frequency speakers provided on the front pillar is appropriately adjusted, thereby moving the sound image in the vertical direction. Can be reduced.
第１図はこの発明にかかる第１の実施例の車載スピーカ
の構成を示す車室内の前座席位置の要部斜視図、第２図
および第３図はそれぞれこの発明の第１の実施例の車載
スピーカによる車室内前座席位置における音声の伝達状
態を示す横方向（水平方向）断面図および縦方向（鉛直
方向）断面図、第４図はこの発明にかかる第１の実施例
の車載スピーカにおける対のスピーカによる直接音およ
び間接音の時間対音圧レベルの関係を示す特性図、第５
図はこの発明にかかる第１の実施例の車載スピーカのフ
ロントピラーへの取付け方法を示す要部断面図、第６図
はこの発明にかかる第１の実施例の車載スピーカの構成
を示す前座席装置の要部斜視図、第７図はそれぞれこの
発明の第２の実施例の車載スピーカによる前座席位置に
おける音声の伝達状態を示す横方向断面図、第８図はこ
の発明の第１の実施例にかかる車載スピーカの配置構成
を示す縦方向断面図、第９図および第10図は従来の車載
スピーカの構成を示す前座席位置の要部斜視図および音
声の伝達状態を示す横方向断面図、第11図は第10図に示
す前座席位置の乗員に伝達される直接音・間接音の時間
対音圧レベルの関係を示す特性図である。 １……中高音スピーカ ２……フロントドア 2a……ドアミラー・コーナカバー ３……フロントピラー ４……フロントガラス ５……スピーカの主音軸 ８……インスツルメントパネル ９……フロントドア前方下部に配設されたスピーカ 10……ダッシュサイド下部に配設されたスピーカFIG. 1 is a perspective view of a main part of a front seat position in a vehicle cabin showing a configuration of an in-vehicle speaker according to a first embodiment of the present invention, and FIGS. 2 and 3 are views of a first embodiment of the present invention. FIG. 4 is a horizontal (horizontal) cross-sectional view and a vertical (vertical) cross-sectional view showing a sound transmission state at a front seat position in a vehicle cabin by a vehicle-mounted speaker. FIG. 4 shows a vehicle-mounted speaker according to a first embodiment of the present invention. FIG. 5 is a characteristic diagram showing a relationship between time and sound pressure level of a direct sound and an indirect sound by a pair of speakers, and FIG.
FIG. 4 is a sectional view of a main part showing a method of mounting the vehicle-mounted speaker of the first embodiment to a front pillar according to the present invention. FIG. 6 is a front seat showing a configuration of the vehicle-mounted speaker of the first embodiment according to the present invention. FIG. 7 is a perspective view of a main part of the apparatus, FIG. 7 is a transverse sectional view showing a state of sound transmission at a front seat position by a vehicle-mounted speaker according to a second embodiment of the present invention, and FIG. 8 is a first embodiment of the present invention. 9 and 10 are perspective views of a main part of a front seat position showing a configuration of a conventional in-vehicle speaker and a transverse cross-sectional view showing a state of transmitting sound. FIG. 11 is a characteristic diagram showing the relationship between time and sound pressure level of direct sound and indirect sound transmitted to the occupant at the front seat position shown in FIG. DESCRIPTION OF SYMBOLS 1 ... Mid-high range speaker 2 ... Front door 2a ... Door mirror / corner cover 3 ... Front pillar 4 ... Front glass 5 ... Main sound axis of speaker 8 ... Instrument panel 9 ... Front lower part of front door Speakers installed 10 …… Speakers installed below the dash side
Claims (2)
高音スピーカを、主音軸がフロントガラスおよびインス
ツルメントパネル面にほぼ平行になるように指向させて
配置すると共に、フロントドア前方下部および又はダッ
シュサイドにそれぞれ対の中高音スピーカを設けたこと
を特徴とする車載スピーカ。1. A mid-to-high loudspeaker is disposed at a lower portion of each of left and right front pillars such that a main sound axis is substantially parallel to a windshield and an instrument panel surface. An in-vehicle speaker having a pair of middle and high frequency speakers on each side.
音および間接音の合成音声を出力する中高音スピーカを
設けたことを特徴とする請求項（１）記載の車載スピー
カ。2. An on-vehicle speaker according to claim 1, further comprising: a mid-high pitch speaker for outputting a synthesized voice of a direct sound and an indirect sound at a center upper portion of the instrument panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2246235A JP2890764B2 (en) | 1990-09-18 | 1990-09-18 | Car speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2246235A JP2890764B2 (en) | 1990-09-18 | 1990-09-18 | Car speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04126499A JPH04126499A (en) | 1992-04-27 |
| JP2890764B2 true JP2890764B2 (en) | 1999-05-17 |
Family
ID=17145521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2246235A Expired - Lifetime JP2890764B2 (en) | 1990-09-18 | 1990-09-18 | Car speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2890764B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106439A3 (en) * | 1999-12-09 | 2002-06-26 | Bose Corporation | Automobile pillar electroacoustical transducing |
| EP1397021B1 (en) | 2001-05-28 | 2013-01-09 | Mitsubishi Denki Kabushiki Kaisha | Vehicle-mounted three dimensional sound field reproducing/silencing unit |
| US8121336B2 (en) | 2007-04-05 | 2012-02-21 | Harman International Industries, Incorporated | Directional loudspeaker to reduce direct sound |
| ES2574420T3 (en) * | 2011-07-28 | 2016-06-17 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Vehicle with side wall speakers |
| JP2015089098A (en) * | 2013-09-27 | 2015-05-07 | 株式会社Ｊｖｃケンウッド | Speaker device and speaker system |
| MX2017009222A (en) * | 2015-01-20 | 2017-11-15 | Fraunhofer Ges Forschung | Loudspeaker arrangement for three-dimensional sound reproduction in cars. |
-
1990
- 1990-09-18 JP JP2246235A patent/JP2890764B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04126499A (en) | 1992-04-27 |
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