JP2001274876A - Portable telephone set for mobile object communication - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable telephone set with a stereo headphone by which music and voice can be listened while selecting from two different sound sources. SOLUTION: This portable telephone set 100 for mobile object communication is provided with communication means for mobile object communication 101 to 109 and voice/music reproducing means 1061 to 1105 and provided with a stereo headphone as a voice/music output means. A voice/music reproducing means is provided with a music memory 1061 storing music, a music reproducing means 1062 for reproducing music stored in the music memory, a right signal receiving part 1102 for repeating a signal outputted from the right speaker of the stereo headphone, a left signal receiving part 1103 for repeating a signal outputted from the left speaker of the stereo headphone and a voice signal processing part 1101 for controlling the right signal receiving part and the left signal receiving part and performing synthesizing of voice, processing of a stereo voice signal, etc., and provided with a control part 105 for controlling the communication means and the voice/music reproducing means in addition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone for mobile communication, and more particularly to a portable telephone with stereo headphones which can separately listen to music and voice from two different sound sources.

[0002]

2. Description of the Related Art There are various types of conventional portable telephones.
Some stereo headphones are provided. When using a mobile phone with stereo headphones, when listening to music, the user can enjoy the music played by the stereo music playback device attached to the mobile phone in a stereo manner by putting one speaker on each ear. .

[0003]

However, in a conventional portable telephone equipped with stereo headphones, it has not been possible to separate two different sound sources and listen to them with the stereo headphones. For example, music being reproduced and voice during a call cannot be distributed to left and right speakers of a stereo headphone and listened to. This is inconvenient in that it is not possible to respond to a call while enjoying the music, and that if the call is accepted, the music must be interrupted.

[0004] It is therefore an object of the present invention to provide a portable telephone with stereo headphones that can separately listen to music and voice from two different sound sources.

[0005]

SUMMARY OF THE INVENTION A portable telephone for mobile communication according to the present invention includes communication means for mobile communication and voice / music reproduction means, and stereo headphones as voice / music output means. A mobile phone for mobile communication, wherein a music memory for storing music, a music playback device for playing music stored in the music memory, and a stereo headphone as audio / music playback means. A right signal receiving unit that relays a signal output from the right speaker, a left signal receiving unit that relays a signal output from the left speaker of the stereo headphones, and a control unit that controls the right signal receiving unit and the left signal receiving unit; And a sound signal processing unit for performing stereo sound signal processing and the like, and a control unit for controlling communication means and sound / music reproduction means. .

The communication means for mobile communication is a communication means of a known configuration provided in a conventional portable telephone. The mobile phone according to the present invention separately provides the reproduced music and the voice during the call from the left and right speakers of the stereo headphones when the music reproduction and the voice call overlap, and is recorded by the stereo sound source when the call is disconnected. The music is provided in a stereo system, and when the music is ended / stopped during a call, the call sound can be provided from the left and right speakers.

That is, when a call is started while music is being reproduced by the voice / music reproducing means, the control section outputs the music being reproduced on one of the right speaker and the left speaker of the stereo headphone, and on the other hand, on the other hand. The audio signal processing unit is controlled so as to output audio. Also, when music playback is started while voice / music playback means is outputting voice during a call,
The control unit controls the audio signal processing unit so that one of the right speaker and the left speaker of the stereo headphones outputs the sound during the call and the other outputs the music to be reproduced. Furthermore, while the voice during the call is being output by the voice / music playback means,
When starting the reproduction of the music, the control unit controls the audio signal processing unit such that one of the right speaker and the left speaker of the stereo headphones outputs the sound during the call and the other outputs the music to be reproduced. Further, when the music reproducing device is a device capable of reproducing music in a stereo system, the control unit controls the audio signal processing so as to output the music being reproduced in both the right speaker and the left speaker of the stereo headphones in a stereo system. Control the unit.

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. Embodiment Example This embodiment is an example of an embodiment of a mobile phone according to the present invention, and FIG. 1 is a block diagram showing a configuration of the mobile phone according to this embodiment. Mobile phone 1 of the present embodiment
00 is a communication antenna 101 and a communication receiving unit 10
2, a transmission unit 103, a communication baseband processing unit 104, a control unit 105, and a liquid crystal display (LCD) 1
07, a keypad 108, and a microphone 109. Further, the mobile phone 100 is provided with a music memory 10 for storing music as a voice / music reproducing unit.
61, a music playback device 1062 that plays back music stored in the music memory 1061, an audio signal processing unit 1101 that performs audio synthesis, stereo audio signal processing, and the like, a right signal reception unit 1102, and a left signal reception unit 1103. , And a right signal speaker 1104 and a left signal speaker 1105 constituting a stereo headphone.

The control unit 105 has a CPU (Central Processes).
sing unit) 1054 and a DSP (Digital Signal Processor) 105 connected to the CPU 1054, respectively.
1. Rewritable ROM (Read Only Memory) 105
2. RAM (Randam Access Memory) 1053 and I
An I / O (Input / Output) control unit 1055 controls the operation of the entire mobile phone.

When the portable telephone 100 listens to music, the music reproducing device 1062 is activated, music data is taken out from the music memory 1061, and the audio signal processing unit 1
The music signal is processed at 101, a music signal is output to the right signal receiving unit 1102 and the left signal receiving unit 1103 via the respective audio paths, and music is played from the speakers 1104 and 1105.

Next, with reference to FIG. 2, an operation of the mobile phone 100 when a communication arrives during music reproduction will be described. FIG. 2 is a flowchart showing the flow of the operation of the mobile phone at the time of an incoming call. Mobile phone 100 of the present embodiment
When a call is received during music playback, one of the right speaker and the left speaker of the stereo headphones can output a call voice and the other can output the music being played.
That is, when an incoming voice call is detected while the mobile phone 100 is playing music, and when the user starts an incoming call operation, for example, when a call button in the keypad 108 is pressed down,
As shown in FIG. 2, the control unit 105 checks whether the stereo headphones are functioning in step 21, and if so, checks whether music is being played back in step 22. Move to step 23. In step 23, the control unit 105 controls the audio signal processing unit 11
01 is instructed to disconnect the signal path connected to the right signal receiving unit 1102. Audio signal processing unit 1101
The signal paths that have been distributed to the left and right signal receiving units 1102 and 1103 are combined into the left signal receiving unit 1103. The voice signal processing unit 1101 connects the signal path of the voice call to the right signal processing unit 1102.

Next, with reference to FIG. 3, an operation of the portable telephone 100 when a call is disconnected during voice reproduction will be described. FIG. 3 is a flowchart showing a flow of the operation of the mobile phone when a call is disconnected from a voice call during voice reproduction. The mobile phone 100 can disconnect the voice call while the music is being played and the voice call is being performed. When music is being played back and a voice call is in progress, the signal path of the call voice is sent to the right signal receiving unit 1102 by the voice signal processing unit 1101.
The music signal path is distributed to the left signal receiving unit 1103. In this state, when the control unit 105 detects the call disconnection, that is, the call disconnection of the voice call during the voice reproduction, as shown in FIG. If so, it is confirmed in step 32 whether or not music is being reproduced, and if music is being reproduced, the flow proceeds to step 33. In step 33, the audio signal processing unit 1101 disconnects the signal path of the call audio connected to the right signal reception unit 1102, and
The signal path of the music connected to 103 is converted into a right signal receiving unit 1102 and a left signal receiving unit 110 according to a stereo signal.
Distribute the signal path to 3.

Next, with reference to FIG. 4, an operation of the mobile phone 100 when starting reproduction of music during a voice call will be described. FIG. 4 is a flowchart showing the flow of operation of the mobile phone when music reproduction is started during a voice call. The mobile phone 100 can also output music played by the music playback device 1062 during a voice call. At that time, the control unit 105 checks whether or not the stereo headphones are functioning in step 41 as shown in FIG. 4, and if so, checks in step 42 whether or not a call is in progress. If there is, the process proceeds to step 43.
In step 43, the control unit 105 controls the audio signal processing unit 1
It instructs 101 to disconnect the signal path connected to the right signal receiving unit 1102 among the audio signal paths connected to the right signal receiving unit 1102 and the left signal receiving unit 1103. After the signal path is disconnected, the audio signal processing unit 1103 connects the music signal path supplied from the music playback device 1067 to the left signal receiving unit 1103.

Next, referring to FIG. 5, during music reproduction,
The operation of the mobile phone 100 when ending the output of music during a voice call will be described. FIG. 5 is a flowchart showing a flow of the operation of the mobile phone when music is ended during music reproduction and voice communication. During music playback and voice communication, the voice signal processing unit 1101 distributes the signal path of the call voice to the right signal receiving unit 1102 and the music signal path to the left signal receiving unit 1103. In this state, the mobile phone 100 can end the music reproduction. At this time, as shown in FIG. 5, the control unit 105 checks whether or not the stereo headphones are functioning in step 51, and if so, proceeds to step 5
In step 2, it is confirmed whether or not a call is in progress. In step 53, when the control section 105 detects the end of music from the music reproducing apparatus, the audio signal processing section 1101 disconnects the signal path of the music connected to the left signal receiving section 1103, and makes a call to the left signal processing section 1103. Connect the audio signal path. As a result, the call voice can be heard from the left and right speakers of the stereo headphones.

[0015]

As described above, according to the present invention,
When the music playback and the call overlap, the sound sources of the call voice and the reproduced music can be automatically distributed to the left and right speakers of the headphones. Further, when either the music reproduction or the call is stopped in a state where the music reproduction and the call overlap, the music or the call voice can be automatically supplied from the left and right speakers of the headphones.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a mobile phone according to an embodiment.

FIG. 2 is a flowchart showing a flow of operation of the mobile phone at the time of an incoming call;

FIG. 3 is a flowchart showing a flow of operation of the mobile phone when disconnecting a call during a voice call during voice reproduction.

FIG. 4 is a flowchart showing a flow of operation of the mobile phone when music reproduction is started during a voice call.

FIG. 5 is a flowchart showing a flow of an operation of the mobile phone when music is ended during music reproduction and voice communication.

[Explanation of symbols]

100: mobile phone of the embodiment, 101: communication antenna, 102: receiving unit, 103: transmitting unit, 10
4. Baseband processing unit 105 Control unit 107
…… Liquid crystal display device, 108 …… Keypad, 109 ……
Microphone, 1051, DS, 1052, rewritable ROM, 1053, RAM, 1054, C
PU, 1055... I / O control unit, 1061... Music memory, 1062... Music playback device, 1101... Audio signal processing unit, 1102.
Left signal receiving unit, 1104... Right signal speaker, 1105
...... Left signal speaker.

Claims (5)

[Claims] 1. A mobile telephone for mobile communication, comprising a communication means for mobile communication and a voice / music playback means, and a stereo headphone as a voice / music output means. As means, a music memory for storing music, a music playback device for playing music stored in the music memory, a right signal receiving unit for relaying a signal output from a right speaker of stereo headphones, and a stereo headphone. A left signal receiving unit that relays a signal output from the left speaker of the first unit, and an audio signal processing unit that controls the right signal receiving unit and the left signal receiving unit, and performs audio synthesis, stereo audio signal processing, and the like. A mobile telephone for mobile communication, further comprising a control unit for controlling communication means and voice / music reproduction means. 2. While music is being played back by voice / music playing means,
When a call is started, the control unit controls the audio signal processing unit so as to output the music being reproduced on one of the right speaker and the left speaker of the stereo headphones and output the call sound on the other. The mobile phone for mobile communication according to claim 1. 3. The control unit outputs sound during a call on one of the right speaker and the left speaker of the stereo headphones when music reproduction is started while the sound during the call is being output by the sound / music reproducing means. The mobile phone according to claim 1, wherein the audio signal processing unit is controlled so as to output music to be reproduced on the other hand. 4. A control unit, comprising: a right speaker and a left speaker of a stereo headphone when a call is disconnected while outputting voice during a call and reproduced music from left and right speakers of a stereo headphone by a sound / music reproduction unit. The mobile phone according to claim 1, wherein the audio signal processing unit is controlled so as to output the music being reproduced on both sides. 5. When the music playback device is a device capable of playing back music in a stereo system, the control unit outputs the music being played back in a stereo system using both right and left speakers of stereo headphones. 5. The mobile phone for mobile communication according to claim 4, further comprising controlling an audio signal processing unit.