JP2001168953A - Mobile communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile communication terminal, that has an MPEG voice data reproduction function and a mobile communication function with superior portability. SOLUTION: This mobile communication terminal is provided with a communication section that transmits/receives a wireless signal, transmission reception section 10 that transmits/receives a voice signal, interface section 15 that is connected to an external device 16, storage section 17, reproduction section 14 and control section 7. The control section 7 stores voice data, in compliance with the MPEG standards received from the external device 16, allows the reproduction section 14 to reproduce the voice data and allows a transmission reception section 10 to output the reproduced data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a mobile communication device.

[0002]

2. Description of the Related Art Conventionally, MPEG input from an external device
A portable reproducing apparatus for reproducing standard audio data is disclosed, for example, in Japanese Patent Application Laid-Open No. 8-272860. Also,
There are many publications relating to mobile communication devices such as mobile phones and PHSs.

[0003]

As described above, when it is desired to reproduce MPEG audio data and perform mobile communication,
It is necessary to carry the above two products, and there is a first disadvantage that portability is poor. In order to eliminate this drawback, the present inventor has incorporated the above two functions into one product. However, when there is an incoming call during the reproduction of the voice data, there is a second disadvantage that the incoming call sound is not noticed.

In addition, the conventional mobile communication apparatus has a third disadvantage that a complicated operation is required with a numeric keypad to input the incoming call melody. The number of tunes that can be selected from the melody is about a dozen or so, and there is a fourth drawback that the user cannot find a favorite tune. Therefore, in consideration of such conventional drawbacks, the present invention has an MPEG voice data reproducing function and a mobile communication function, has excellent portability, and has many incoming call melodies that can easily recognize incoming call during reproduction. And it is easy to input the melody,
Provide a mobile communication terminal.

[0005]

According to the present invention, a communication unit for transmitting / receiving a radio signal, a transmission / reception unit for transmitting / receiving a voice, and an interface connectable to an external device are provided. Unit, a storage unit, a playback unit, and a control unit, the control unit causes the storage unit to store the MPEG standard audio data input from the external device,
The data is reproduced by the reproduction unit and output by the transmission / reception unit.

According to the present invention, the control section stores the input voice data as an incoming call melody in the storage section.

According to a third aspect of the present invention, the control section sets an incoming call waiting state while the audio data is being reproduced.

[0010] In the present invention, when a telephone call is received while the audio data is being reproduced, the control unit superimposes the reproduced audio on the audio data or outputs the reproduced audio. Stop and output the notification tone.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A mobile communication terminal 1 according to an embodiment of the present invention will be described below with reference to the block diagram of FIG. In FIG. 1, the antenna 2 is connected to a duplexer 3. The duplexer 3 is an antenna duplexer, and includes a matching circuit, a filter, and the like.

The communication section 4 includes a transmission section 5 and a reception section 6. A transmitter for modulating a high-frequency signal with a baseband signal, a mixer for mixing an output of the modulator with an output of a frequency synthesizer, and converting the output to a radio frequency;
An amplifier (both not shown) for amplifying a radio frequency transmits a radio signal.

The receiving unit 6 includes a high-frequency amplifier, a mixer,
It comprises an IF amplifier and a demodulator, and has a function of amplifying and demodulating an input radio signal. Thus, the communication unit 4 transmits and receives wireless signals.

The control section 7 comprises a signal processing section 8, a control circuit 9, and the like. The signal processing unit 8 includes a baseband circuit,
It comprises a DSP, an AD converter, an AF circuit and the like. The control circuit 9 includes a CPU and the like.

The transmission / reception unit 10 includes a microphone 11 and a speaker 1.
2 The microphone 11 converts sound into an electric signal and transmits the electric signal. The speaker 12 converts an electric signal into a sound and receives the sound. Thus, the transmission / reception unit 10 transmits and receives voice.

The input side of the mixer 13 is connected to the control unit 7 and the output side is connected to the speaker 12. Reproduction unit 1
Reference numeral 4 denotes an input side connected to the control unit 7, and an output side
It is connected to the. The interface unit 15 has one end connected to the control unit 7 and the other end connectable to an external device 16 (for example, a personal computer).

The storage unit 17 is composed of a ROM, a RAM and the like, and is connected to the control unit 7. The ROM stores a control program of the control circuit 9, and the RAM stores data necessary for the operation of the mobile communication terminal 1.

The input section 18 is composed of ten keys and other keys, and is connected to the control section 7. The display unit 19 includes, for example, a liquid crystal display device and is connected to the control unit 7. The mobile communication terminal 1 (for example, P
HS).

Next, a communication operation in the mobile communication terminal 1 will be described with reference to FIG. In FIG. 1, a radio signal from a base station passes through an antenna 2, a duplexer 3, and a receiving unit 6, and is converted into a baseband signal. And the control unit 7
, The baseband signal is converted into an audio signal, and the loudspeaker 1
It is output as audio in 2.

The voice input to the microphone 12 is encoded by the control unit 7, converted into a radio signal by the transmission unit 5, transmitted through the duplexer 3 and the antenna 2, and transmitted to the base station.

Next, the operation of storing voice data in the mobile communication terminal 1 will be described with reference to FIGS. FIG.
Is a flowchart showing the storage operation, and FIG. 3 is a protocol sequence diagram. In these figures, first,
The user connects the external device 16 to the interface unit 15.

Upon completion of the above connection, the external device 1
6 sends REA to the control unit 7 through the interface unit 15.
The DY signal is transmitted (A in FIG. 3). As a result, the control unit 7
Affirms the determination as to whether or not a READY signal has been received (FIG. 2).
S1).

Next, the control unit 7 controls the RA
M is checked for the free space (remaining memory) (S in FIG. 2).
2) The remaining amount of memory is transmitted to the external device 16 (S3 in FIG. 2 and B in FIG. 3).

The external device 16 outputs a START signal indicating that audio data is downloaded according to the remaining amount of memory.
Output to the interface unit 15 (C in FIG. 3). As a result, the control unit 7 affirms the determination whether the START signal is received (S4 in FIG. 2) and transmits an ACK signal to the external device 16 (S5 in FIG. 2 and D in FIG. 3).

In response to the reception of the ACK signal, the external device 16 instructs the interface unit 15 according to the MPEG standard (MPEG1 Audio Layer) according to the remaining memory.
r3 standard) compressed audio data is output.

At this time, the control section 7 performs a data receiving process (S6 in FIG. 2). That is, the control unit 7
In M, the audio data of the MPEG standard input from the external device 16 is stored (stored).

When the output of the audio data is completed, the external device 16 outputs an END signal to the interface unit 15 (E in FIG. 3). As a result, the control unit 7
The control unit 7 makes the external device 16 transmit an ACK signal (S8 in FIG. 2 and F in FIG. 3), affirming the determination whether the ND signal is received (S7 in FIG. 2). With the above operation, the download of the audio data of the MPEG standard from the external device 16 to the storage unit 17 is completed.

Next, according to FIG. 1 and FIG.
A description will now be given of the operation of reproducing the audio data. FIG. 4 is a flowchart showing the reproducing operation. First, when the user presses a play key (not shown) of the input unit 18, the control unit 7 affirms whether or not the play key is pressed (S1 in FIG. 4).

Then, the control section 7 determines whether or not there is audio data of the MPEG standard (S2 in FIG. 4). In the above description, since the voice data is stored in the storage unit 17, the control unit 7 affirms S2.

Next, the control section 7 starts reproduction (S3 in FIG. 4). That is, the control unit 7 sends the audio data of the MPEG standard stored in the storage unit 17 to the reproduction unit 14. Then, the control unit 7 causes the reproducing unit 14 to decode the audio data, convert the audio data into analog audio, and send the analog audio to the mixer 13. The analog sound (electric signal) is supplied to the mixer 1
The sound is converted into a sound by the speaker 12 via the speaker 3 and output. Thus, the reproduction is started.

Then, the control section 7 determines whether or not the reproduction operation has been completed (S4 in FIG. 4). If the reproducing operation has not been completed yet, the control unit 7 denies S4. Then, the control unit 7 determines whether there is an incoming call (S5 in FIG. 4). In other words, the control unit 7 receives the signal through the antenna 2, the duplexer 3, and the receiving unit 6 even during the reproduction of the audio data.
It periodically receives whether there is a paging channel transmitted from the PHS base station. If the call channel exists, the control unit 7 affirms S5.

Next, the control section 7 determines whether or not a call can be received (S6 in FIG. 4). That is, when the number coded in the call channel matches the number of the own terminal 1, the control unit 7 checks the contents of an incoming call operation such as rejection of incoming calls and determines whether or not it is possible to receive an incoming call. If an incoming call is possible, the control unit 7 affirms S6.

Then, the control unit 7 operates the mixer 13 (S7 in FIG. 4), multiplexes the data into the audio data being reproduced, and outputs a notification tone (an incoming notification sound) via the speaker 12.
Output.

The above-described reproduction operation will be described collectively. The control unit 7 causes the reproduction unit 14 to reproduce the audio data of the MPEG standard stored in the storage unit 17, and causes the speaker 12 (transmission / reception unit 10) to output the audio data via the mixer 13 (S3 in FIG. 4). Subsequent operation).

The control unit 7 sets an incoming call waiting state while the audio data is being reproduced (S5 and S6 in FIG. 4). Then, when there is an incoming call during the reproduction of the audio data (S5 in FIG. 4), the control unit superimposes on the reproduced audio of the audio data to output a notification tone (S7, S8 in FIG. 4). .
Note that the control unit 7 stops the output of the audio data being reproduced when there is an incoming call during the reproduction of the audio data,
Only the notification tone may be output.

Further, the control unit 7 receives an incoming call (S5 in FIG. 4).
To the reproducing unit 14, the head address of the storage unit 17 containing the incoming call melody is passed to the reproducing unit 14.
The reproduction operation of the incoming call melody according to the above-mentioned head address may be instructed. As described above, the control unit 7 stores the storage unit 17.
Then, the input voice data may be stored as an incoming call melody.

If the determination in S2 is negative, the control section 7 performs error processing (S9 in FIG. 4). Further, the control unit 7
If affirmative, the reproduction process ends. The control unit 7 executes S5
If negation is made or S6 is negated, the process returns to immediately before S4.

[0036]

As described above, according to the first aspect of the present invention, a communication unit for transmitting / receiving a radio signal, a transmission / reception unit for transmitting / receiving a voice, an interface unit connectable to an external device, a storage unit, A reproduction unit, and a control unit, wherein the control unit stores the MPEG standard audio data input from the external device in the storage unit, reproduces the data in the reproduction unit, and controls the transmission / reception unit. It is configured to output. Thus, MPE
Since the audio data reproduction function of the G standard and the mobile communication function are contained in one product (mobile communication terminal), portability is good. Also, since the audio data is input from an external device, C
There is no need to incorporate a D-ROM or the like, and the size can be reduced.

[0037] According to the present invention of claim 2, the control section stores the input voice data as an incoming call melody in the storage section. Like this
Since the incoming call melody is stored in the storage unit and stored in the MPEG standard audio data of the information amount (there are many songs), the user can select a favorite song from a variety of incoming call melodies. Further, as in the conventional case, a complicated operation is not required to input the incoming call melody.

According to a third aspect of the present invention, the control unit sets an incoming call waiting state while the audio data is being reproduced. As described above, the terminal is set to the incoming call waiting state during the reproduction, so that even when the user enjoys reproducing and enjoying the audio data, it can respond to an external telephone call, thereby improving usability.

According to the fourth aspect of the present invention, when a telephone call is received while the audio data is being reproduced, the control unit superimposes the reproduced audio data on the audio data or outputs the reproduced audio. It is configured to stop and output the notification tone. In this way, if there is an incoming call during playback, a notification tone is output, so that the user can accurately detect that there is an incoming call, and the usability is improved.

[Brief description of the drawings]

FIG. 1 is a block diagram of a mobile communication terminal 1 according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation of storing voice data in the mobile communication terminal 1;

FIG. 3 is a protocol sequence diagram between the mobile communication terminal 1 and an external device 16;

FIG. 4 is a flowchart showing a reproduction operation of audio data in the mobile communication terminal 1;

[Explanation of symbols]

 4 Communication unit 7 Control unit 10 Transmission / reception unit 14 Playback unit 15 Interface unit 16 External device 17 Storage unit

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shinji Kato 3-201 Minamiyoshikata, Tottori-shi, Tottori F-term (reference) in Sanyo Electric Co., Ltd. BB03 BB04 CC05 HH18 JJ18 KK56

Claims (4)

[Claims] 1. A control unit comprising: a communication unit for transmitting / receiving a radio signal; a transmission / reception unit for transmitting / receiving a voice; an interface unit connectable to an external device; a storage unit; a reproduction unit; Is a mobile communication terminal wherein the MPEG standard audio data input from the external device is stored in the storage unit, reproduced by the reproduction unit, and output by the transmission / reception unit. 2. The mobile communication terminal according to claim 1, wherein said control unit causes said storage unit to store the input voice data as an incoming call melody. 3. The mobile communication terminal according to claim 1, wherein the control unit sets an incoming call waiting state while the voice data is being reproduced. 4. The control unit, when a telephone call is received during reproduction of the audio data, superimposes on the reproduction audio of the audio data or stops output of the reproduction audio, and outputs a notification tone. 4. The mobile communication terminal according to claim 3, wherein the mobile communication terminal outputs.