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JP2002191074

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JP2002191074
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
mobile communication terminal such as a portable telephone terminal provided with a music
reproduction function (MP3, MIDI format file etc.), and a music reproduction apparatus such as a
component stereo.
[0002]
2. Description of the Related Art Conventionally, there has been no mobile communication
terminal such as a portable telephone terminal provided with a music reproduction function.
[0003]
Even if a mobile communication terminal such as a portable telephone terminal provided with a
music reproduction function can be considered, the part of the music reproduction function is
configured as shown in FIG.
[0004]
In FIG. 6, 121 is a music reproduction circuit, 122 is a ring tone reproduction circuit, 123 is an
addition circuit, 124 is an audio amplifier, and 125 is a speaker.
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1
The music reproduction signal output from the music reproduction circuit 121 passes through
the addition circuit 123, is amplified by the audio amplifier 124, and is output from the speaker
125 as music reproduction sound.
When there is an incoming call during music playback, a ring tone signal is output from the ring
tone generation circuit 122, added to the music playback signal by the addition circuit 123,
amplified by the audio amplifier 124, and reproduced as music from the speaker 125 as a ring
tone. It is output with the sound.
[0005]
Alternatively, the operation of the music reproduction sound circuit 121 is stopped and only the
ringtone is output from the speaker 125.
[0006]
According to these methods, when there is an incoming call while enjoying music playback, the
music playback sound and the ringing tone are output at the same level, so that there is a
problem that you do not notice that there is an incoming call, or stop the music playback The
inconvenience of being
[0007]
Therefore, when there is an incoming call during music playback, it may be considered to set the
output level of the music playback sound output from the speaker 125 lower than the output
level of the ringtone.
However, even in this case, although there is a difference in the output level, the music playback
sound and the ringing tone are output from the same speaker 125, so it is still difficult to
recognize the ringing tone, and there may be cases in which the user does not notice that there is
an incoming call. Will occur.
[0008]
In addition, in order to notify a predetermined time set in advance in a music reproduction
apparatus such as a component stereo that performs music reproduction, when the music
reproduction is not performed, the music reproduction is automatically performed at a
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2
predetermined time. Although there are devices that output music reproduction sound from a
stereo speaker, there is no device that emits notification sound when notification time comes
during music reproduction.
[0009]
Even if it is considered that the notification sound is emitted during the music reproduction, the
notification sound is added to the music reproduction sound and output, or the music
reproduction is stopped and the predetermined notification sound is output from the stereo
speaker.
[0010]
However, according to these methods, when the predetermined notification time is reached while
enjoying music reproduction, it is not noticed that the notification sound is emitted because the
music reproduction sound and the notification sound are output at the same level There is a
problem of being bothersome and the inconvenience of stopping music playback.
[0011]
As described above, in a mobile communication terminal such as a portable telephone terminal
provided with a music reproduction function, if there is an incoming call during music
reproduction, the music reproduction is stopped or the music reproduction sound is generated.
At the same time, the ringing tone is sounded at the same output level or at a different output
level.
[0012]
In the former case, although the user enjoys music, there is an inconvenience that the
reproduction is stopped by an incoming call, and in the latter case, there is a disadvantage that
the ringing tone is mixed in the music reproduction sound and the user does not notice the
incoming call.
[0013]
In addition, in the case of notifying a notification time during music reproduction in a music
reproduction apparatus such as a component stereo, the notification is performed by stopping
the music reproduction or adding a notification sound to the music reproduction sound and
outputting it.
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[0014]
In the former case, although the user enjoys music, there is a bother to stop the reproduction at
the notification time, and in the latter case, the notification sound is mixed with the music
reproduction sound and the notification sound is emitted. There is a disadvantage of not being
aware of
[0015]
Therefore, the present invention has an object to provide a mobile communication terminal
provided with a music reproduction function that does not cause the above-mentioned
inconvenience even if there is an incoming call during music reproduction.
[0016]
Another object of the present invention is to provide a music reproduction apparatus in which
the above-mentioned inconvenience does not occur even when the notification time comes
during music reproduction.
[0017]
According to the present invention, in a mobile communication terminal having a music
reproduction function, music reproduction means for generating a music reproduction signal,
and a music reproduction signal from the music reproduction means are provided. One of the
stereo earphones that is supplied and output as music reproduction sound, ring tone generation
means that generates a ring tone signal when there is an incoming call, and when there is a call
reception while music reproduction sound is output from the stereo earphone, one of the stereo
earphones The music reproduction signal from the music reproduction means is supplied only to
the earphones, and the music reproduction sound is output from one of the earphones, and the
ringing tone signal from the ringing sound generation means is supplied to the other earphone
and the call comes in from the other earphone. And control means for controlling so as to output
a sound.
[0018]
According to the present invention as set forth in claim 1, when there is an incoming call during
music reproduction using the stereo earphone in the mobile communication terminal, without
stopping the music reproduction and without missing the incoming call You can check the
ringtone.
[0019]
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According to a second aspect of the present invention, in the mobile communication terminal
according to the first aspect, the control means outputs, from one of the earphones, a ringing
tone output level output from the other earphone when there is an incoming call. Control to be
equal to or higher than the output level of the reproduced music sound.
[0020]
According to the second aspect of the present invention, the ringing tone can be confirmed more
reliably.
[0021]
According to a third aspect of the present invention, in the mobile communication terminal
according to the first or second aspect, the stereo earphone is detachable, and the control means
is an incoming call when the stereo earphone is attached. It is characterized in that control is
performed so as to stop the output of the ringing tone from the sounder when it is present.
[0022]
According to the present invention as set forth in claim 3, when the stereo earphone is attached
to the mobile communication terminal, it is possible to stop the output of the ringing tone from
the sounder, so as not to bother other people. be able to.
[0023]
A music reproduction apparatus according to the present invention according to the fourth
aspect of the present invention comprises: music reproduction means for generating a music
reproduction signal; and a stereo speaker or stereo earphone supplied with the music
reproduction signal from the music reproduction means and outputting as music reproduction
sound. When the predetermined time comes, notification sound generation means for generating
a notification sound signal, and when the predetermined time comes while outputting music
reproduction sound from the stereo speaker or stereo earphone, one of the speakers or the
earphones of the stereo earphone The music reproduction signal from the music reproduction
means is supplied to the music reproduction means, and the music reproduction sound is
outputted from one of the speakers or the earphone, and the notification sound signal from the
notification sound generation means is supplied to the other speaker or the earphone. Or the
control means to control so that a notification sound is output from an earphone may be
provided.
[0024]
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According to the fourth aspect of the present invention, it is possible to check without stopping
the reproduction of the music and without missing the notification sound when the notification
time comes while the music reproduction device plays the music.
[0025]
DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be
described in detail below with reference to the drawings.
[0026]
(First Embodiment) FIG. 1 shows the configuration of a mobile communication terminal
according to a first embodiment of the present invention.
[0027]
As shown in the figure, for example, a mobile communication terminal such as a portable
telephone terminal comprises a radio unit 1, a modem unit 2, a TDMA unit 3, an encoding /
decoding unit 4 and a control unit 5.
[0028]
The downlink reception signal from the base station is received by the antenna 11, input to the
reception unit 13 through the switch 12 of the wireless unit 1, and frequency-converted by the
local signal from the synthesizer 14.
The strength of the received signal is detected by the RSSI detection unit 16 and supplied to the
control unit 5.
The frequency-converted received signal is demodulated by the digital demodulation circuit 21 of
the modem unit 2.
The demodulated signal is converted by the TDMA decoder 31 of the TDMA unit 3 into a burst
signal as a continuous signal.
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The continuous signal is decoded by the ADPCM-CODEC 41 of the encoding / decoding unit 4
and converted into a PCM signal.
The PCM signal is further decoded by the PCM-CODEC 42 to be an analog signal, which is output
from the speaker 43.
[0029]
On the other hand, the analog signal input from the microphone 44 is converted into a PCM
signal by the PCM-CODEC 42 of the encoding / decoding unit 4 and then encoded by the
ADPCM-CODEC 41.
The ADPCM coded signal is converted into a burst signal at the TDMA encoder 32 of the TDMA
unit 3.
The burst signal is modulated by the digital modulation circuit 22 of the modulation /
demodulation unit 2.
The modulated signal is converted into a high frequency signal by the local signal from the
synthesizer 14 in the transmitting unit 15 of the wireless unit 1, amplified, and then transmitted
through the switch 12 and the antenna 11.
[0030]
The power supply unit 9 includes a battery 91 and a power supply circuit 92 for converting the
battery output into a voltage, and supplies the voltage-converted power to each part.
[0031]
The control unit 5 includes a CPU 55 that controls the entire mobile communication terminal, a
music reproduction control unit 56, and a ringing tone generation control unit 57.
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The operation unit 51, the LCD 52, the LCD control unit 53, the sounder 54, and the vibrator 59
are connected to the control unit 5, and the stereo earphones 61 (611, 612) are detachably
connected to the stereo jack 60 (601, 602). Be done.
[0032]
FIG. 2 shows further detailed configurations of the music reproduction control unit 56 and the
ring tone generation control unit 57. As shown in FIG.
[0033]
As shown in the figure, the music reproduction control unit 56 includes a music reproduction
circuit 63 composed of reproduction circuits such as MP3 and MIDI, a gain control amplifier (or
attenuator) 641 for R channel, a gain control amplifier for L channel (or It comprises an
attenuator) 642, a stereo amplifier 65 (R channel audio amplifier 651, L channel audio amplifier
652), and a switch 66 for switching between music reproduction and ringing tone generation.
[0034]
The ring tone generation control unit 57 includes a ring detection circuit 71, a ring tone
generation circuit 72, a gain control amplifier (or attenuator) 73, a gain control amplifier (or
attenuator) 74, a switch 75, and an amplifier 76.
[0035]
A feature of the present embodiment is that when the stereo earphone 61 is attached to the
stereo jack 60 and there is an incoming call during music reproduction, music reproduction
sound is output only from the earphone 611 of one of the R channels of the stereo earphone 61
While the ring tone is output from the other L channel earphone 612, the output of the ring tone
from the sounder 54 is stopped.
[0036]
FIG. 3 is a flowchart showing the operation of this embodiment.
When listening to music, stereo earphone 61 is attached to stereo jack 60 and playing music and
there is no incoming call, R channel gain control amplifier (or attenuator) 641 and L channel gain
control amplifier (or attenuator) The volume 642 is adjusted to the volume desired by the user.
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The music reproduction signal from the music reproduction circuit 63 adjusted by the gain
control amplifier (or attenuator) 641 or 642 is amplified by the stereo amplifier 65 (651 or 652),
and supplied to the stereo earphone 61 (611 or 612). The music reproduction sound is output
from 61 (611, 612) (step S81).
[0037]
When there is an incoming call during music reproduction (step S82), the incoming call detection
circuit 71 detects the incoming call, and the ring tone generation circuit 72 generates a ring tone
signal.
The ringing tone signal generated by the ringing tone generation circuit 72 is input to gain
control amplifiers (or attenuators) 73 and 74.
[0038]
Here, the CPU 55 switches the changeover switch 66 from the gain control amplifier (or
attenuator) 642 side to the gain control amplifier (or attenuator) 73 side (that is, the L channel
audio amplifier 652 which is one audio amplifier of the stereo amplifier 65). Switches from the
music reproduction side to the ring tone generation side), the level of the gain control amplifier
(or attenuator) 641 of the R channel is lowered, and the level of the gain control amplifier (or
attenuator) 73 is raised.
At this time, the set value of the level of the gain control amplifier (or attenuator) 73 is previously
set by the user to a desired value, but the CPU 55 sets the gain control amplifier (or attenuator)
73 to a gain control amplifier (or The levels of the gain control amplifiers (or attenuators) 641
and 73 are adjusted so as to be equal to or higher than the level of the attenuator 641.
Further, since the stereo earphone 61 is attached to the stereo jack 60, the CPU 55 turns off the
switch 75 to stop the input of the ringing tone signal to the amplifier 76 (step S83).
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[0039]
The music reproduction signal whose level is adjusted by the gain control amplifier (or
attenuator) 641 is amplified by the R channel audio amplifier 651 and supplied to the R channel
earphone 611, and the music reproduction sound is output from the R channel earphone 611
The ring tone signal whose level has been adjusted by the gain control amplifier (or attenuator)
73 is supplied to the L channel audio amplifier 652 via the changeover switch 66 and amplified,
and then supplied to the L channel earphone 612 to be L channel The ring tone is output from
the earphone 611 of.
As described above, the music reproduction sound is output from one of the earphones 611 of
the stereo earphones 61, and the ringtone of the output level higher than the output level of the
music reproduction sound is output from the other earphone 612.
Then, since the switch 75 is turned off and there is no input of the ringing tone signal to the
amplifier 76, no ringing tone is output from the sounder 54 (step S84).
[0040]
As described above, in the present embodiment, when there is an incoming call during music
reproduction using the stereo earphone 61, the music reproduction sound is output from one of
the stereo earphones 61, and the ringtone is output from the other. The ring tone can be
confirmed without stopping the music playback and without having missed the incoming call.
In addition, since the output level of the ringing tone is equal to or higher than the output level of
the music reproduction sound, the ringing tone can be reliably confirmed.
Furthermore, by stopping the output of the ringing tone from the sounder 54, it is possible to
prevent the surrounding people from being annoyed.
[0041]
Second Embodiment Next, FIG. 4 shows the configuration of a music reproduction apparatus
according to a second embodiment of the present invention.
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[0042]
As shown in the figure, the music reproduction apparatus such as component stereo includes a
music reproduction circuit 101 including reproduction circuits such as MP3 and MIDI, a gain
control amplifier (or attenuator) 1021 for R channel, and a gain control amplifier for L channel.
(Or attenuator) 1022, stereo amplifier 103 (R channel audio amplifier 1031, L channel audio
amplifier 1032), stereo speaker (or stereo earphone) 104 (R channel speaker (or earphone)
1041, L channel speaker (or Earphone) 1042), a timer 105 for outputting a signal at a preset
time, a notification sound generation circuit 106 for generating a notification sound signal when
the output signal of this timer 105 is input, a gain control amplifier Ku is attenuator) 107,
changeover switch 108 switches the music playback and the notification sound generation, and a
CPU109 for controlling the entire music playback apparatus.
[0043]
The feature of this embodiment is that when the notification time set in advance during music
playback comes, music playback sound is only from the speaker (or earphone) 1041 of one of
the R channels of the stereo speaker (or stereo earphone) 104. The other speaker (or earphone)
1042 outputs a notification sound.
[0044]
FIG. 5 is a flowchart showing the operation of this embodiment.
During music playback, when the preset notification time is not reached, the gain control
amplifier (or attenuator) 1021 of the R channel and the gain control amplifier (or attenuator)
1022 of the L channel are adjusted to the user-preferred volume. There is.
The music reproduction signal from the music reproduction circuit 101 adjusted by the gain
control amplifier (or attenuator) 1021 or 1022 is amplified by the stereo amplifier 103 (1031 or
1032) and sent to the stereo speaker (or stereo earphone) 104 (1041 or 1042) The music
reproduction sound is supplied from the stereo speakers (or stereo earphones) 104 (1041, 1042)
and supplied (step S111).
[0045]
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During music reproduction, when the preset notification time comes (step S112), the timer 105
outputs a signal, and the notification sound generation circuit 106 to which this signal is input
generates a notification sound signal.
The notification sound signal is input to a gain control amplifier (or attenuator) 107.
[0046]
Here, the CPU 109 switches the changeover switch 108 from the gain control amplifier (or
attenuator) 1022 side to the gain control amplifier (or attenuator) 107 side (that is, the L channel
audio amplifier 1032 which is one audio amplifier of the stereo amplifier 103). Switches from the
music reproduction side to the notification sound generation side), the level of the gain control
amplifier (or attenuator) 1021 of the R channel is lowered, and the level of the gain control
amplifier (or attenuator) 107 is raised.
At this time, the set value of the level of the gain control amplifier (or attenuator) 107 is
previously set by the user to a desired value, but the CPU 109 sets the gain control amplifier (or
attenuator) 107 to a gain control amplifier (or The levels of the gain control amplifiers (or
attenuators) 1021 and 107 are adjusted so as to be equal to or higher than the level of the
attenuator 1021 (step S113).
[0047]
The music reproduction signal whose level is adjusted by the gain control amplifier (or
attenuator) 1021 is amplified by the R channel audio amplifier 1031 and supplied to the R
channel speaker (or earphone) 1041, from the R channel speaker (or earphone) 1041. While the
music reproduction sound is output, the notification sound signal whose level is adjusted by the
gain control amplifier (or attenuator) 107 is supplied to the L channel audio amplifier 1032 via
the changeover switch 108 and amplified, and then the L channel The sound is supplied to the
speaker (or earphone) 1042 and the notification sound is output from the L channel speaker (or
earphone) 1042.
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Thus, the music reproduction sound is output only from the speaker (or earphone) 1041 of one
of the R channels of the stereo speaker (or stereo earphone) 104, and the output level of the
music reproduction sound is higher than the other speaker (or earphone) 1042. The notification
sound of the output level of is output.
(ステップS114)。
[0048]
As described above, in the present embodiment, when the notification time comes during music
reproduction, the music reproduction sound is output from one of the stereo speakers (or stereo
earphones) 104 and the notification sound is output from the other. The confirmation can be
made without stopping the music reproduction and without missing the notification sound.
In addition, since the output level of the notification sound is equal to or higher than the output
level of the music reproduction sound, the notification sound can be reliably confirmed.
[0049]
As described above, according to the mobile communication terminal of the present invention,
when there is an incoming call during music playback using the stereo earphone, it is informed
that there is an incoming call without stopping the music playback sound. Since it is possible,
even if there is an incoming call while listening to your favorite music, there is an advantage that
it is not bothersome to stop the music reproduction and to miss the ringing tone.
[0050]
Further, according to the music reproduction apparatus of the present invention, when the
notification time comes during music reproduction, it can be informed that the notification time
has come without stopping the music reproduction sound, so when listening to your favorite
music Even when the notification time is reached, there is an advantage that there is no need to
miss the inconvenience of having to stop the music reproduction and the notification sound.
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