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DESCRIPTION JP2003140536

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
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DESCRIPTION JP2003140536
[0001]
The present invention relates to an external expansion device and an external expansion method
of a computer apparatus using a cartridge ROM incorporating a computer program. The present
invention also relates to a karaoke practice device, a karaoke practice method, an English
conversation practice device, and an English conversation practice method using a computer
device to which the external expansion device is connected.
[0002]
2. Description of the Related Art There are various game computers, but at the time of this patent
application, Nintendo Co., Ltd. has just launched a new portable game machine called Game Boy
Advance ("Game Boy Advance" is a trademark of Nintendo Co., Ltd.). is there. An internal circuit
configuration of a portable game computer such as "Game Boy Advance" is briefly shown in FIG.
FIG. 10 is a block diagram of a conventional computer apparatus. The program which first moves
at power-on is stored in the ROM (read only memory) 72, and the CPU 70 is started accordingly.
On a bus 75 of the CPU 70, a RAM (random access memory) 71, a ROM 72, a display device 73,
an operation switch 74, and a cartridge ROM 79 are connected. The CPU 70 reads a program,
image data, sound data and the like stored in the cartridge ROM, and displays it on the display
device 73 while temporarily storing it in the RAM 71 if necessary. As the operator operates the
operation switch 74, the progress of the game changes, and it is this type of game computer that
enjoys the change of the screen according to it. Note that an external expansion I / F (interface)
76 is provided for connecting a mobile phone, etc., so that a mobile phone or the like can be
connected to the external expansion connector. This enables communication (downloading etc.)
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via a mobile phone network or the Internet.
[0003]
The Game Boy Advance has features such as good CPU performance, good color, good liquid
crystal performance, and high compatibility with other game consoles. Have. However,
unfortunately, the inventor of the present invention considered that there is still room for
improvement of the sound source.
[0004]
Then, the inventor of the present invention has realized that it is possible to provide a convenient
portable computer suitable for applications such as a karaoke practice device, an English
conversation practice device, and an announcer practice device by improving the sound source.
Then, I thought that it was possible by providing a device whose main function is sound source
processing as an external expansion device connected via the external expansion interface
possessed by Game Boy Advance.
[0005]
An object of the present invention is to provide a portable computer suitable for applications
such as a karaoke practice device, an English conversation practice device, and an announcer
practice device, and an external expansion device and an external expansion method for realizing
it using an existing portable computer. It is to provide karaoke practice method and English
conversation practice method.
[0006]
[Means for Solving the Problems] In order to solve the above problems, an external expansion
device according to the present invention is an external expansion device of a computer device
that outputs music data in accordance with the timing of display on a display device, A computerside input / output interface unit for exchanging signals via a communication cable extending
from an external expansion connector terminal of the computer device, a control unit mainly
controlling music data sent from the computer device, and the computer device And a headphone
interface unit for outputting an audio signal from the sound source circuit to the outside.
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And the external expansion method according to the present invention is an external expansion
method in an external expansion device of a computer device that outputs music data in
accordance with the timing of display on a display device, and extends from an external
expansion connector terminal of the computer device A signal receiving step of receiving the
music data and the control signal via a communication cable; an audio reproduction control step
of controlling reproduction of an audio signal based on the signal received in the signal receiving
step; An audio reproduction step of reproducing the music data into an audio signal under
control, and an external output step of outputting the audio reproduced in the audio
reproduction step to the outside.
[0007]
The sound source circuit unit may have a sound source chip having 64 or more sounds.
[0008]
Furthermore, it has a microphone interface unit that takes in an audio signal from the outside,
superimposes the audio signal input through the microphone interface unit with the audio signal
that is the output of the sound source circuit unit, and outputs it from the headphone interface
unit to the outside It can be
[0009]
Audio signal processing such as echo processing is applied to the audio signal input through the
microphone interface unit, and the result is superimposed on the audio signal that is the output
of the sound source circuit unit to be externally output from the headphone interface unit It can
also be output to
[0010]
A signal based on a comparison result of an audio signal input through the microphone interface
unit and an audio signal output from the sound source circuit unit may be sent to the computer.
[0011]
In the karaoke practice apparatus according to the present invention, the external expansion
device is connected to the external expansion connector terminal of the computer device, a
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cartridge ROM is inserted into the computer device, and an earphone or headphone is connected
to the headphone interface unit. The cartridge ROM stores the sound data, the text data and the
program data, and the image display device of the computer device is color-fed in
synchronization with the reproduction of the song while the lyrics of the karaoke are transmitted.
While being displayed, in the sound source circuit unit of the external expansion device, music of
karaoke songs is reproduced.
Then, in the karaoke practice method according to the present invention, the external expansion
device of the computer device that outputs the music data in accordance with the display timing
on the display device is connected to the external expansion connector terminal of the computer
device, and the cartridge in the computer device A method for practicing karaoke in a karaoke
practice apparatus in which a ROM is inserted and earphones or headphones are connected to
the headphone interface unit, and the cartridge ROM stores sound data, text data and program
data, and the computer apparatus While the lyrics of the karaoke are displayed while being colorfed in synchronization with the reproduction of the music on the image display device of the
above, the sound source circuit section of the external expansion device reproduces the music of
the karaoke music.
[0012]
It is also possible to superimpose an audio signal input via the microphone interface unit with a
karaoke song and output it from the headphone interface unit.
[0013]
It is also possible to output the scoring result according to a signal based on the comparison
result of the audio signal input through the microphone interface unit and the audio signal
output from the sound source circuit unit.
[0014]
Furthermore, in the English conversation practice device according to the present invention, the
external expansion device is connected to the external expansion connector terminal of the
computer device, a cartridge ROM is inserted into the computer device, and the headphone
interface unit of the external expansion device is an earphone or An English conversation
practice apparatus comprising headphones connected, wherein the cartridge ROM stores sound
data, text data and program data, and the image display device of the computer apparatus
reproduces voice of text of practice contents of English conversation While being displayed while
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being color-fed in synchronization with the above, the sound source circuit unit reproduces voice.
Then, in the English conversation practice method according to the present invention, an external
expansion device of a computer device that outputs music data in accordance with the display
timing on a display device is connected to the external expansion connector terminal of the
computer device, and the cartridge is connected to the computer device A method for practicing
English conversation in an English conversation practice apparatus in which a ROM is inserted
and an earphone or headphone is connected to the headphone interface unit of the external
expansion device, wherein the cartridge ROM stores sound data, text data and program data. A
text of practice contents of English conversation is displayed on the image display device of the
computer device while being color-fed in synchronization with the reproduction of the sound,
and the sound source circuit unit reproduces the sound.
[0015]
The audio signal input through the microphone interface unit may be superimposed on the audio
stored in advance and may be output from the headphone interface unit.
[0016]
It is also possible to output the scoring result according to a signal based on the comparison
result of the audio signal input through the microphone interface unit and the audio signal
output from the sound source circuit unit.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION An external extension device of the present
invention and a karaoke practice device and an English conversation practice device using the
same according to the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing an external appearance in which a headphone and a
microphone are attached to a computer device using the external expansion device of the present
invention.
The computer 6 is, for example, a game computer such as Nintendo Game Boy Advance shown in
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FIG. 10 described in the conventional example.
This computer apparatus is used by inserting the cartridge ROM 7.
The cartridge ROM 7 includes at least a program for operating the CPU inside the computer
device 6, music data (music data, English conversation data, announcer speech teaching material
data, and home speech teaching material data) and text data.
If necessary, it also includes image data.
The external expansion device 5 is connected to the external expansion connector terminal 11 of
the computer device 6 via the communication cable 19. Then, as described later, a sound source
circuit is included inside the external expansion device 5, and the sound source circuit has a
microphone interface and an earphone interface, and is configured to be able to connect the
headphone 9 and the microphone 8.
[0018]
The configuration of the external expansion device 5 shown in FIG. 1 is briefly shown in FIG. FIG.
2 is a perspective view simply showing the internal configuration of the external expansion
device 5 of the present invention. The circuit unit 20 and the battery 30 are included inside the
external expansion device 5. The specific configuration of the circuit unit 20 will be described
later with reference to FIG. The size of the external expansion device can, for example, be sized to
fit in the chest pocket of the shirt. The battery 30 is a power supply of the circuit unit 20, and
may be configured of, for example, two AA batteries.
[0019]
FIG. 3 is a circuit diagram showing the configuration of the circuit unit 20 provided inside the
external expansion device 5 in detail. As shown in FIG. 3, the external device 5 is connected to
the computer device 6 via a dedicated cable 29 for connecting to a computer (here, Game Boy
Advance). It is an input / output circuit 22 that provides an interface on the external expansion
device side. The CPU 21 is connected to the bus 75 of the computer device 6 via the input /
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output circuit 22. The CPU 21 operates subordinate to the CPU 70 of the computer device 6 and
mainly controls the sound source chip 25. The CPU 70 acts as a master, and the CPU 21 acts as a
slave. The sound source chip 25 can be, for example, a sound source chip with 64 or more
sounds (for example, one manufactured by Atmel Corp.). The sound source chip 25 not only can
reproduce the music data (Karaoke data, English conversation voice data, announce voice data)
stored in the cartridge ROM 7 or 79 and output it to the headphones or earphones, but also the
voice signal input from the microphone It is possible for the user's ear to be mixed with the
user's voice and the music by putting it in the The operator adjusts the volume and the balance,
the operation switch (not shown) is provided on the surface of the external expansion device. Can
be done while pressing). It is also possible to display the situation on the display screen of the
display device. The ROM 23 and the RAM 24 are provided for the CPU 21. The CPU 21 can also
compare the output signal to the headphone with the input signal from the microphone, and send
the result back to the computer device 6 side. Audio data etc. reproduced by the sound source
chip 25 are sent to the headphone jack through the amplifier 26. The audio signal input from the
microphone is not only sent to the headphone amplified by the amplifier 26, but also input to the
sound source chip 25 so that the CPU 21 can compare the two signals. This also makes it
possible to score how well the karaoke practitioners sing.
[0020]
Here, the external expansion device has been described as connecting to Nintendo's Game Boy
Advance, but the same applies to other companies' computers (for example, WonderSwan
(registered trademark), Cube (registered trademark), X-box, PlayStation (registered trademark) 2
etc.) Can be configured as an extension device. In addition to the game computer, a portable
computer such as PDA (for example, Zaurus (registered trademark), Clie, Palm (registered
trademark), Cassiopair (registered trademark), etc.) may be used.
[0021]
FIG. 4 is a perspective view showing practice of English conversation using this external
expansion device. In FIG. 4, the learner practices pronunciation while watching the display
screen. Another adviser (instructor) is giving advice while listening to the pronunciation. This is
possible because two sets of headphones can be connected to the external extension device of
the school plan.
[0022]
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FIG. 5 is a diagram listing things that the user should prepare in addition to the computer device
when using the external expansion device according to the present invention. When a user who
already has a portable computer for gaming purchases this external expansion device and wants
to practice karaoke, for example, the corresponding software (cartridge ROM) is purchased and
the external expansion device and the dedicated connection cable, microphone Align the
headphone set. By connecting the external expansion device to the computer, connecting the
headphone microphone to the external expansion device, inserting desired software into the
computer device, and turning on the power, it becomes possible to practice karaoke. Read out the
program from the cartridge ROM, select the mode, select the music, select the marking function,
select the sound effect, etc., and then start it. The karaoke telop (a part of the lyrics) will be
replaced on the display screen. Music data (music data of accompaniment) is sent to the external
expansion device as the color change progresses. The CPU of the external expansion device
reproduces the music of the accompaniment via the sound source chip in synchronization with
the display content, and outputs the music from the headphones. While the user listens to it, the
microphone picks up the voices sang and flows it over the headphones through the amplifier.
Furthermore, the audio signal input through the microphone is compared with the timing of the
music data and the matching degree of the pitch, and is sent to the computer device. The
computer uses the data to perform scoring.
[0023]
In the above-mentioned example, music data and the like are incorporated in advance in the
cartridge ROM. For example, if a 32 megabyte ROM is used, 20 or more pieces of music data can
be stored. It can store over 50 songs in 64 megabytes. The reason why the data does not simply
double is that program data other than music data can be used in common.
[0024]
It is also possible to download and reproduce music data and the like using a communication
network such as the Internet. In that case, as shown in FIG. 1, the cellular phone 3 is connected
to this computer via the cellular phone adapter 4 to execute downloading. For example, it is
possible to use the internal memory of the computer 6 to throw away each song. Also, an
embodiment is possible in which data storage means required for the external expansion device
according to the present invention are provided and stored there.
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[0025]
FIG. 6 shows a combination of an external expansion device, a headphone set, and a connection
cable. When a user who already possesses a computer device purchases these combinations and
runs dedicated software, it is possible to enjoy the reproduced sound by the combination of the
sound source chip and the amplifier of this external expansion device. FIG. 7 is a view showing a
combination of an external expansion device and a connection cable. For users who already own
their own headphone set, there is an option to purchase this combination. FIG. 8 is a perspective
view showing the cartridge ROM. FIG. 9 is a diagram showing an example using a series of
cartridge ROMs.
[0026]
EXAMPLE FIG. 11 is a perspective view showing the appearance of the external expansion device
in the example. FIG. 12 is a front view of the external expansion device in the embodiment. FIG.
13 is a perspective view showing the back surface of the external expansion device in the
embodiment. The communication connector 101, the input terminals 111 and 112, and the
output terminals 121 and 122 can be seen on the top surface of the external expansion device of
the embodiment as shown in FIGS. The size of the external expansion device is such that it can fit
into the shirt's chest pocket. Further, as shown in FIG. 13, a belt is provided so that it can be
worn on the waist of the user.
[0027]
FIG. 14 is a circuit diagram showing in detail the configuration of the circuit unit of the external
expansion device in the embodiment. The communication connector 101 is a connector of an
external expansion device connected to the computer main body by a communication cable. A
signal that the communication connector exchanges with the computer main body is sent to the
sound source chip 125 at 38.4 bits per second through the input / output protection circuit 102.
The sound source chip 125 can use, for example, a DREAM chip of a model number of SAM 2133
provided by Atmel. This chip has a function to convert music data sent from a computer into a
sound source, a function to control various signals, a function to compare music data and a signal
from a microphone, a function to control communication with the computer, etc. And act as
slaves to the CPU of the computer main unit. The first head fan terminal when two headphone
microphones are connected is the output terminal 121, and the microphone terminal is the input
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terminal 111. When another headphone microphone is connected, the headphone terminal is the
output terminal 122, and the microphone terminal is the input terminal 112. A signal from the
microphone is sent as a monaural signal to the CODEC circuit 117 through the amplifiers 113
and 114 and the filters 115 and 116, respectively, and is further input to the sound source chip
125. Further, the output from the sound source chip is sent to the output terminals 121 and 122
through the CODEC circuit 117, the filter 126, the volume 128 and the headphone amplifiers
123 and 124. As the CODEC circuit, for example, PCM 3002 provided by BAR BROWN can be
used. The flash memory 127 is a storage medium for temporarily storing various data, and for
example, 49BV 321T (32 mega flash memory) manufactured by Atmel can be used. For example,
four AAA alkaline batteries can be used as the power source 131. The regulator 133 is an audio
system power supply regulator and supplies power to the CODEC circuit, an amplifier, a filter,
and the like. The 2.5 volt regulator 135 and the 3.3 volt regulator 134 supply necessary power
to the sound source chip 125 and the flash memory 127. A liquid crystal display window can be
provided to display the remaining amount of power, and the remaining amount can also be
displayed.
[0028]
FIG. 15 is a perspective view showing the cartridge ROM in the embodiment. FIG. 16 is a
perspective view showing a combination of an external expansion device, a headset and a
connection cable in the embodiment. FIG. 17 is a perspective view showing how an external
expansion device in the embodiment is connected to a computer device and further a headset is
connected to the external expansion device.
[0029]
FIG. 18 is a flowchart showing the flow of processing of the computer device when practicing
karaoke using the external expansion device according to the present invention. When the
computer is turned on (step 200), the computer maker logo is displayed (step 205), the karaoke
system provider logo is displayed (step 210), the karaoke content provider logo is displayed (step
215), the logo animation (step 220), the title screen After (step 230), it proceeds to the karaoke
demonstration screen (step 240). If the external expansion device is not connected to the
computer main unit (or if the external expansion device is not powered on), the loop from step
210 to step 240 is repeated. Then, on the title screen (step 230), "Connect external expansion
device. "" Message is displayed. In addition, while the logo animation is displayed (step 220) or
the karaoke demonstration screen is displayed (step 240), any one of the buttons (A button, B
button, L button, R button, start button, cross button, etc.) Press to go to the title screen. With the
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external expansion device connected and the external expansion device powered on, the A button
or the start button is pressed from the state of the title screen display to proceed to mode
selection (step 250). When the B button is pressed from the mode selection, the process returns
to step 230. In the mode selection (step 250), it is selected whether to sing one song or to
continue singing. If it is selected to sing a single song, a song is selected from the plurality of
songs stored in the cartridge (step 260), and it proceeds to the song playing (step 290), and
when the playing is finished, the mode is selected (step Return to 250. When you press the B
button in the middle of the song, the display for confirming the stop of the performance is
displayed, and if it can be confirmed, the screen returns to the mode selection screen. When it is
selected to continue singing in the mode selection, the song selection (step 270) and the song
selection confirmation screen (step 280) are repeated, and when the selection is completed, the
process proceeds to song performance (step 290). In the music play (step 290), the speed and
the key height are adjusted by the operation of the cross button (or the up, down, left and right
buttons).
[0030]
[Effect of the Invention] The present invention is configured as described above, so that it is
possible to reproduce music, reproduce language-learning speech and reproduce speech for
announcer education with rich sound. Also, by mixing the audio input from the microphone to
the headphones, it becomes possible to compare and listen to the original voice and the
performance of the music. It will also be possible to score by computer. Furthermore, it also
becomes possible to receive distribution of music data via a computer network.
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