JP2002067815

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DESCRIPTION JP2002067815
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
service method for an on-vehicle audio system.
[0002]
2. Description of the Related Art Attaching a car audio to a car and adjusting the acoustic
characteristics of the attached audio system have conventionally been performed by a retailer or
by the user himself.
[0003]
[0003] Installation of car audio has been a difficult task for both the dealer and the user because
it differs depending on the type of vehicle to which the audio system is attached and the type of
audio.
In addition, the adjustment of the acoustic characteristics after the installation of the audio
system is also different depending on the type of vehicle and the type of audio.
[0004]
An object of the present invention is to provide an audio service method which makes it possible
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to easily attach an audio system to a vehicle and adjust the acoustic characteristics of the audio
system.
[0005]
SUMMARY OF THE INVENTION The present invention has been made to achieve the above
object.
In the in-vehicle audio service method according to the present invention, a service system is
configured of a center server and an in-vehicle audio system connected to the center server via a
communication network. In this system, the center server transmits audio device adjustment data
and audio device attachment data to the in-vehicle audio system, and the in-vehicle audio system
uses the received audio device adjustment data. Automatically adjust the acoustic characteristics.
Also, the in-vehicle audio system displays the received audio device attachment data, and the
user attaches the audio device to the vehicle based on the displayed attachment method.
[0006]
The in-vehicle audio service method of the present invention is applicable not only to in-vehicle
use, but also to general-purpose audio systems.
[0007]
DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be
described with reference to the drawings.
FIG. 1 shows the configuration when the present invention is applied to a car audio system. A
center server 1 providing audio service is connected to the Internet 2. When receiving the audio
service, the user connects the wireless device 3 such as a mobile phone to the on-vehicle audio
system 4. Thus, the audio system 4 is connected to the center server 1 via the Internet 2.
[0008]
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The center server 1 is configured in the same manner as a normal server, and an acoustic DB
(hereinafter, a database will be abbreviated as "DB"). 5), and has a mounting DB6. Further, the
center server 1 is connected to a terminal 7 of a car maker, a terminal 8 of an audio system
maker, and a terminal 9 of a store that substitutes installation of an audio system via a dedicated
line or the Internet 2. Although only one terminal 7, 8, 9 is displayed in the figure, a plurality of
terminals are actually connected.
[0009]
The sound DB 5 stores data for determining sound field characteristics and f characteristics for
each car name and audio product name. The mounting method is stored in the mounting DB 6
for each car name and audio product name. Further, for each car name and audio product name,
parts necessary for mounting, availability of additional equipment, and mounting method of
additional equipment are stored. Furthermore, data on a store that substitutes for installation,
that is, store name, address, labor, etc. are stored.
[0010]
In the audio system 4, an audio signal reproduced by a sound source 11 such as a CD, an MD, a
radio, etc. is processed by the DSP 12 and output from the speaker 14 through the amplifier 13.
The characteristics of the DSP 12 are controlled by the microcomputer 15. The microcomputer
15 controls the entire audio system 4, and further, a microphone 16 and an input unit 17 such as
a touch panel are connected. The microphone 16 is connected to the microcomputer 15 via the A
/ D converter 18. The audio system 4 is connected to the Internet 2 via a wireless device 3 such
as a mobile phone.
[0011]
The process flow in the service system of FIG. 1 will be described with reference to FIG. The user
receives audio service when trying to attach the audio system to the vehicle or when trying to
replace or add components of the already attached audio system. Also, after the audio system is
attached to the vehicle, when trying to adjust the acoustic characteristics of the audio system to
the characteristics suited to the vehicle space, or when trying to adjust the sound field
characteristics of the user's preference, f characteristics, audio service Receive
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[0012]
The user connects the wireless device 3 such as a portable telephone to the microcomputer 15
when trying to receive the audio system service. As a result, the user terminal 19 is formed by
the wireless device 3 and the audio system 4. The user operates the operation unit of the wireless
device 3 or the input unit 17 of the audio system 4 to access the center server 1 providing the
audio service (step S1). At this time, data such as the ID number and the address number of the
wireless device 3 of the user terminal 19 are transmitted together.
[0013]
In response to this access, the center server 1 sends back a screen displaying the type of service
(step S2). FIG. 3 shows a screen for selecting a service. This screen is displayed on either the
display unit of the wireless device 3 or the display unit of the audio system 4. The service
selection screen is provided with a button 21 for selecting an acoustic adjustment service and a
button 22 for selecting an attachment service.
[0014]
When the user selects one of them, the data is transmitted to the center server 1 (step S3). The
center server 1 determines whether the service subscribed by the user is a sound adjustment
service or an attachment service (step S4), and transmits a screen according to each service (step
S5, step S9).
[0015]
FIG. 4 shows a sound adjustment service ordering screen. In this screen, various conditions
necessary for obtaining data for adjusting acoustic characteristics from the center server 1 are
input. A frame 23 for inputting a car type of a car to which the audio device is attached and a
frame 24 for inputting a product name of the audio device are provided. In order to select a
desired characteristic by the user, an area for selecting a sound field characteristic and an area
for selecting an f characteristic are provided. The user selects one of the selection buttons 25 to
select a desired sound field such as a concert hall, a church, or a baseball stadium. Further, by
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selecting any of the selection buttons 26, emphasis of vocals, emphasis of a specific instrument,
etc. are selected. When the user selects a desired characteristic and selects the OK button 27,
each data is transmitted to the center server 1 (step S6).
[0016]
The center server 1 extracts, from the sound DB 5, data for adjusting the audio equipment which
meets the request of the user, based on each of the transmitted data. Then, this data is
transmitted to the user terminal 19 (step S7). In the audio system 4, when the audio device
adjustment data and the like are received, the characteristics of the DSP 12 are set with the
received data (step S8).
[0017]
According to the audio service method described above, the user can automatically obtain the
sound field and the f characteristic suited to his / her preference without expert knowledge of
the setting of the acoustic characteristic and the like. . FIG. 5 shows an attachment service
ordering screen transmitted from the center server 1 to the user terminal 19 when the
attachment service is requested in step S4 (FIG. 2).
[0018]
[0018] As a situation where this screen is used, there are a case where an audio system is newly
attached to a vehicle and a case where a part of the audio system already attached to the vehicle
is replaced or added. The screen is provided with a frame 23 for inputting a car name (car type
and grade) to which the audio device is attached. In the case of newly attaching an audio system,
a frame 28 for inputting an audio product name is provided. For replacing or adding a part of the
audio device, a frame 29 for inputting an existing audio product name, a frame 30 for inputting
an equipment name to be exchanged, and a frame 31 for inputting an equipment name to be
added are provided. When the user inputs predetermined data and selects the OK button 27,
each data is transmitted to the center server 1 (step S10).
[0019]
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The center server 1 extracts, from the installation DB 6, an installation method that meets the
user's request based on the transmitted data. Then, this data is transmitted to the user terminal
19 (step S11). FIG. 6 shows a screen displaying the mounting method and the like. In addition,
since only a part of the content of illustration can be displayed on an actual screen, the user
views the whole description by scrolling the screen. On this screen, the car name and the audio
product name sent from the user are displayed for confirmation, and then the installation
procedure is displayed. During the description of this mounting procedure, the part names
necessary for mounting are displayed. An ordering button 32 is provided for each mounting part.
Subsequently, data (store name, address, labor) relating to the store that substitutes for
installation is displayed (step S12). A dispatch request button 33 is provided for each store.
[0020]
When the user wishes to order a mounting part, he selects the order button 32 for that part. In
addition, after confirming the wages and the like, when requesting installation substitution, the
dispatch request button 33 of the desired sales point is selected. When the user finally decides to
order parts or requests for dispatching, the user selects the OK button 27, and when canceling,
selects the cancel button 34 (step S13). When the OK button 27 is selected, data on a request
part or dispatch request is transmitted to the center server 1.
[0021]
The center server 1 receives the data, and when the data is an order for parts, transmits the
order data to the car maker terminal 7, the audio maker terminal 8 or the shop terminal 9
extracted from the installation DB 6 (Step S14). The data in this case includes the user's address,
name, part name and the like. When the audio maker terminal 8 or the shop terminal 9 receives
the order data, the maker or the shop ships the received mounting parts to the user. This makes
it possible to automatically place and order mounting parts.
[0022]
In the case of a dispatch request, data is transmitted to the shop terminal 9 (step S14). The data
in this case includes the user's address, name, model name, system name and the like. In
response to the dispatch request, the dealer terminal 9 notifies the user terminal 19 of the
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installation work schedule and the like via the center server 1. The user requests a dispatch for
installation, and waits for notification of a schedule etc. if it is notified. Also, the user decides to
install by himself, and if the installation parts are aligned, the installation of the system, the
installation of additional equipment, etc. are performed according to the installation method
displayed on the screen.
[0023]
According to the installation data distribution service described above, the installation method
can be obtained according to the type of car and the model of the audio system, so that the user
can perform appropriate installation only by following the instruction. Also, if a mounting part is
required, it can be obtained quickly. In addition, when it is determined that they can not be
attached by themselves, they can quickly request a store that can be handled.
[0024]
(Other Embodiments) In the example described above, the vehicle type is transmitted as data
from the user terminal 19 to the center server 1 as a condition necessary to obtain data for
adjusting the acoustic characteristics (FIG. 2). , Step S6). Instead of this, the f characteristic in the
actual vehicle interior may be measured, and the result may be sent to the center server 1.
[0025]
In this case, pink noise is output from the speaker 14 into the vehicle cabin and collected by the
microphone 16. The collected noise corresponds to the f characteristic of the vehicle interior. The
microcomputer 15 analyzes the collected noise to obtain f characteristic data in the vehicle
compartment. The f characteristic data is transmitted to the center server 1 instead of the abovedescribed vehicle type data. The center server 1 holds sound adjustment data according to the f
characteristic of the passenger compartment as the sound DB 5, and returns adjustment data
according to the f characteristic sent from the user terminal 19.
[0026]
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Also, in the center server 1 which has received an order for mounting parts, the manufacturer
(FIG. 2, step S14) places an order for the manufacturer, but performs a reverse auction for each
maker so as to select the optimum maker. You can also The user can also use a personal
computer as the user terminal 19 when distribution of attachment data is desired.
[0027]
According to the present invention, it is possible to provide an audio system service method
which makes it possible to easily install an audio system on a vehicle and adjust the acoustic
characteristics of the audio system.
[0028]
Brief description of the drawings
[0029]
1 is a diagram showing the configuration of a service system to which the present invention is
applied.
[0030]
Flow chart showing the flow of processing in the service system of FIG.
[0031]
3 is a diagram showing a screen in the process of FIG. 2 (part 1).
[0032]
4 is a diagram showing a screen in the process of FIG. 2 (part 2).
[0033]
5 is a diagram showing the screen in the process of FIG. 2 (part 3).
[0034]
6 is a diagram showing the screen in the process of FIG. 2 (part 4).
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[0035]
Explanation of sign
[0036]
DESCRIPTION OF SYMBOLS 1 ... Center server 2 ... Internet 3 ... Radio set 4 ... Audio system 5 ...
Sound DB 6 ... Installation DB 7 ... Car maker terminal 8 ... Audio maker terminal 9 ... Dealer
terminal 11 ... Sound source 12 ... DSP 13 ... Amplifier 14 ... Speaker 15 ... Microcomputer
DESCRIPTION OF SYMBOLS 16 Microphone 17 ... Input part 18 ... A / D converter 19 ... User
terminal 21 ... Sound adjustment service selection button 22 ... Mounting service selection button
23 ... Automobile name input frame 24 ... Audio apparatus input frame 25 ... Sound field
characteristic selection button 26 ... f Characteristic selection button 27 ... OK button 28 ... Audio
product name input frame 29 ... Existing audio product name input frame 30 ... Replacement
device product name input frame 31 ... Additional device product name input frame 32 ... Order
button 33 ... Dispatch request button 34 ... Cancel button
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