JP2001326754A - Information communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information communication terminal capable of reproducing sound data anytime such as music which is distributed through a communication network. SOLUTION: The terminal comprises a master set 1 connected to an external line C and provided with a means for receiving sound data by communicating with a sound distributor and a slave set 2 connected with the set 1 by radio and provided with a means for receiving sound data received by the set 1. The set 1 and the set 2 are provided with a storage medium 3 for retaining received sound data to retain the sound data such as music received through the line C in the storage medium 3. Thus, in spite of performing communication with other communication equipment in the situation of listening to sound such as music, the sound data such as music can be reproduced and restarted anytime after the communication.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information communication terminal connected to a communication network, and more particularly, to an information communication terminal that communicates with another device connected to the communication network.

[0002]

2. Description of the Related Art Generally, as a means for listening to music, there is a portable music reproducing apparatus such as a headphone stereo. It is possible to supply a music source recorded on a storage medium such as a cassette tape, a compact disk, or a mini disk to the portable music player, and listen to music via headphones connected to the portable music player. In recent years, with the spread of such portable music playback devices, there are many situations in which portable music playback devices are carried around indoors and outdoors, and work while listening to music.

In portable information communication terminals such as a cordless telephone device or a portable telephone device in which a parent device and a child device are wirelessly connected, the portable device or the portable telephone device can be used both indoors and outdoors because of a wide communication range. In many cases, they carry their own phone and talk while working.

[0004]

However, an apparatus which combines music information reproduction and a telephone function has not been realized yet. Also, reproduction of music involves a copyright issue with respect to copying the music source, and an information communication terminal that solves both of these is desired.

[0005]

SUMMARY OF THE INVENTION The present invention provides a parent terminal having means for communicating with a voice distribution device connected to a communication network and receiving voice data, and a parent terminal wirelessly connected to the parent terminal. And a child terminal having means for receiving the received audio data, and a storage unit for storing the received audio data is provided in one or both of the parent terminal and the child terminal.

Further, the present invention provides a means for communicating with an audio distribution apparatus connected to a communication network to receive audio data, and recording and storing the audio data received by the receiving means in a storage medium which can be inserted and withdrawn. It is provided with a storage medium storage reading means for making it readable from a recording medium.

[0007] The storage medium is an SD memory card.

[0010] By storing voice data such as music received via a communication network in a storage medium, communication with another communication device while listening to voice such as music can be performed. Becomes possible.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is an information communication terminal connected to a communication network, wherein the information communication terminal communicates with an audio distribution device connected to the communication network to receive audio data. A parent terminal, and a child terminal connected to the same terminal by radio and provided with means for receiving audio data received by the parent terminal, wherein the received audio is transmitted to at least one of the parent terminal and the child terminal. An information communication terminal comprising a removable storage medium for storing data, wherein the audio data received via a communication network is stored in a storage medium provided in a parent terminal or a child terminal. By doing so, it becomes possible to reproduce the sound of the distributed music or the like at any time. In addition, it is possible to download and save a large amount of audio data at a time in a storage medium, and to later select any data from the many audio data stored in the storage medium to reproduce the audio. .

According to a second aspect of the present invention, in the information communication terminal according to the first aspect, at least one of the parent terminal and the child terminal is provided with designation means for designating the audio distribution device that distributes the audio data. It is possible to connect to an arbitrary audio distribution device designated by the designation means via a communication network, receive audio data from the designated audio distribution device, and reproduce audio.

According to a third aspect of the present invention, there is provided the information communication terminal according to the first or second aspect, wherein the storage medium is an SD (Secure Digital) memory card. By using this, it is possible to provide an information communication terminal having excellent copyright protection measures.

According to a fourth aspect of the present invention, the received audio data is one of MP3 (MPEG Audio Layer 3) format audio data and AAC (Advanced Audio Coding) format audio data. 3. The information communication terminal according to any one of 1 to 3, wherein the time required for downloading music and the capacity of a storage medium required for storing data can be reduced by employing the above two audio compression formats. it can.

According to a fifth aspect of the present invention, there is provided a portable information communication terminal connected to a communication network, wherein the receiving means communicates with an audio distribution device connected to the communication network to receive audio data. An information communication terminal, characterized by comprising a storage medium storage reading means for recording and reading from a recording medium into and from which a sound data received by the receiving means can be inserted and removed, By storing the audio data received via the communication network in a storage medium provided in the parent terminal or the child terminal, it becomes possible to reproduce the distributed audio such as music at any time. In addition, it is possible to download and save a large amount of audio data at a time in a storage medium, and to later select any data from the many audio data stored in the storage medium to reproduce the audio. .

According to a sixth aspect of the present invention, there is provided the information communication terminal according to the fifth aspect, further comprising designating means for designating the voice distribution device that distributes the voice data. It is possible to connect to an arbitrary audio distribution device specified by the means via a communication network, receive audio data from the specified audio distribution device, and reproduce audio.

According to a seventh aspect of the present invention, there is provided the information communication terminal according to the fifth or sixth aspect, wherein the removable storage medium is an SD (Secure Digital) memory card. By using the card, it is possible to provide an information communication terminal having excellent copyright protection measures.

According to an eighth aspect of the present invention, the received audio data is any one of MP3 (MPEG Audio Layer 3) format audio data and AAC (Advanced Audio Coding) format audio data. To the information communication terminal according to any one of items 1 to 7, and adopting the above two audio compression formats reduces the time required for downloading music and the capacity of a storage medium required for storing data. can do.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment) FIG. 1 is an image diagram showing a communication mode of a cordless telephone device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a configuration of the cordless telephone device shown in FIG.

In FIG. 1, a cordless telephone device according to an embodiment of the present invention includes a base unit 1 as a parent terminal connected to an external line C as a communication network and capable of communicating with other communication devices and telephone devices. It is composed of the master unit 1 and a slave unit 2 as a slave terminal connected by wireless and performing wireless communication. In addition, the parent device 1 and the child device 2 can read a removable storage medium 3 for storing audio data described later, and the storage medium 3 is mutually read by the parent device 1, the child device 2 and the computer 4. In the present embodiment, the SD (secure digit)
al) You are using a memory card. This SD memory card is a next-generation memory card compatible with a copyright protection function strongly demanded by major software / content companies in the world.

As shown in FIG. 2, master unit 1 is connected to external line C
Line interface unit 1 that interfaces with the
1. Baseband processing unit 1 that performs various signal processing of signals
2. Modulation / demodulation unit 13 for modulating a transmission signal from base unit 1 to handset 2 and demodulating a received signal from base unit 2 to base unit 1, radio unit 14 for transmitting and receiving radio signals, and analog signal A / D / D / A unit 15 for converting a digital signal and a digital signal to an analog signal, a handset unit 16 attached to base unit 1, between A / D / D / A unit 15 and handset unit 16 An audio circuit unit 17, which is provided for processing an audio signal to the speaker unit of the handset unit 16 and an audio signal from the microphone unit of the handset unit 16;
A keypad for performing operations, an operation / display unit 18 having a display function, a system controller 19 for controlling the entire base unit 1, and audio data such as music received via the line interface unit 11 in a storage medium (SD memory card) 3. And a power supply unit 22 for supplying power to each unit of the base unit 1 and a storage medium storage and reading unit 21 for storing and reading audio data stored in a storage medium (SD memory card) 3. A storage medium (SD memory card) 3 can be inserted into and removed from the storage medium storage reading section 21.

The slave unit 2 transmits and receives a radio signal to and from the master unit 1, a modulation and demodulation unit 32 that modulates and demodulates a signal in the same manner as the master unit 1, and performs various kinds of signal processing of a reception signal or a transmission signal. A baseband processing unit 33, an A / D / D / A unit 34 that converts an analog signal into a digital signal and a digital signal into an analog signal, an audio circuit unit 35 that processes audio, a speaker unit 36, a microphone unit 37, A headset section 38 having a built-in microphone section 37 and speaker section 36, an audio circuit section 35 and a headset section 38.
Alternatively, a switching unit 39 for switching any of the paths to the speaker unit 36 and the microphone unit 37, a controller 40 for controlling the entire slave unit 2, an operation / display unit 41 having an operation and display function for the slave unit 2, a master unit The storage medium storage / read unit 43 that stores the audio data received from the storage medium 1 in a storage medium (SD memory card) 3 and reads the audio data stored in the storage medium (SD memory card) 3 A power supply unit 44 for supplying power to each unit is provided. The switching unit 39 operates so as to connect the path between the audio circuit unit 35 and the headset unit 38 when the headset unit 38 is mounted on the slave unit 2.

In the cordless telephone device having the above configuration,
The operation of listening to music or the like distributed via a communication network will be described below.

The base unit 1 of the cordless telephone device is connected to an external line C via a line interface unit 11 and to the Internet via the external line C. In the future, MP3
(MPEG audio layer 3) format standard, AAC
(Advanced Audio Coding) Various services such as pay distribution of audio information such as music recorded in the format standard are implemented. When listening to the distributed music, the operation / display unit 18 of the parent device 1 or the operation / display unit 41 of the child device 2
By specifying music or the like desired by the user, music or the like is distributed from the Internet network side and can be listened to.

Here, the flow of audio information when listening to music will be described.

Music information (for example, digital signals in MP3 format or AAC format) as audio information input from the line interface unit 11 is transmitted to the base unit 1.
, Is framed together with the control data for the slave unit 2, modulated by the modem unit 13 of the master unit 1, input to the radio unit 14 of the master unit 1,
The signal is output from the antenna of base unit 1 as a wireless signal. The wireless signal received by the wireless unit 31 of the slave unit 2 via the master unit 1 is demodulated by the modulation / demodulation unit 32 of the slave unit 2 and separated into control data and audio data of the slave unit 2 by the baseband processing unit 33. Is done. MP3 format, AAC
The digital audio data in the format is stored in the storage medium (SD memory card) 3 inserted into the storage medium storage reading unit 43 via the system controller 40. When the operation / display unit 41 is operated to listen to the audio data stored in the storage medium 3 in this manner, the digital audio data stored in the storage medium 3 is transmitted to the system by the storage medium storage reading unit 43. Controller 40
And inputted to the A / D / D / A unit 34,
The digital signal is converted into an analog signal as an audio signal. This analog signal is amplified by the audio circuit unit 35, passes through the switching unit 39, and passes through the headset unit 3
8 is output from the speaker section 36. The user usually
I'm listening to this music. Note that by switching the switching unit 39, it is also possible to output audio output to the speaker unit 36 of the slave unit 2. In addition, the voice can be output to the handset unit 16 of the base unit 1. In this case, similarly to the above-described operation of storing and reproducing digital audio data in the slave unit 2, first, music information (for example, a digital signal in MP3 format or AAC format) as audio information input from the line interface unit 11 is transmitted. The digital audio data stored in the storage medium 3 is stored in the storage medium 3 by the storage medium storage and reading unit 21 by the predetermined operation after that. A / D / D /
The digital signal is converted into an analog signal as an audio signal, and the analog signal is amplified by the audio circuit unit 17 and is converted to the handset unit 1.
6 is output from the speaker unit.

The audio data stored in the storage medium 3 is stored in the storage medium 3 by the storage medium storage reading unit 2.
The storage medium 3 can be used to classify, store, etc. various types of audio data. The storage medium 3 can be read by the computer 4 shown in FIG. 1 that can read the music data, and the music data stored in the storage medium 3 can be processed by the computer 4 such as storage and reproduction.

In addition, by pay distribution from the Internet,
M written on the storage medium (SD memory card) 3
Music data in P3 format or AAC format can be transferred to other SD memory cards or other storage media.
If only data transfer is possible (data copy operation is not possible) or if only a predetermined number of copies are permitted, copying is performed only that many times and no further copying is performed. Perform the operation corresponding to the protection.

Further, in this embodiment, since the storage medium storage reading section is provided in each of the master unit 1 and the slave unit 2, the storage medium 3 is stored in the storage medium 3 mounted on either the master unit or the slave unit. It is also possible to wirelessly copy the music data to the other storage medium 3. However, only data movement is possible as described above (data copying operation is not possible)
Copying is not possible for the audio data set to, and the data is moved.

Next, when it is desired to switch the music to be reproduced, designation (music switching request) is performed by the operation / display unit 41 of the slave unit 2, and this designation signal is transmitted to the controller 40
Is output to the baseband processing unit 33, modulated by the modem unit 32, transmitted from the wireless unit 31 of the slave unit 2 to the master unit 1, received by the wireless unit 14 of the master unit 1, and connected to the Internet network. Is transmitted to the service station, and the desired music is selected by switching the database of the music distribution source of the service station, and the data is downloaded to the storage medium 3 again.

Next, a description will be given of a calling operation of the cordless telephone device according to the present embodiment when listening to music in the slave unit 2. Here, a case in which a calling operation (calling) is performed from the slave unit 2 is shown.

First, the user operates and displays the operation / display unit 41 of the slave unit 2.
To make a call. The signal indicating the call request is detected by the controller 40 of the child device 2 and temporarily stops the reading operation of the music information read from the storage medium 3 by the storage medium storage reading unit 43 and indicates the position where the music information is stopped. The information is stored in the storage unit 42. In parallel with this, the controller 40 transmits a call request signal from the baseband processing unit 33 to the master unit 1 via the modem unit 32 and the wireless unit 31 of the slave unit 2. The signal received by the radio unit 14 of the base unit 1 passes through the modem unit 13 and is processed by the baseband processing unit 12, and the system controller 19 detects a call request. Upon receiving this call request,
The system controller 19 enters a telephone call operation.

The user selects a destination number on the handset 2 using the operation / display unit 41. The selected destination telephone number follows the same route as the above-mentioned call request signal, is recognized by the system controller 19 of the base unit 1, and is sent out to the external line C via the line interface unit 11 as the destination telephone number. , And waits for the response of the other party. If the other party answers, a normal call state is set. In the call state, the microphone unit 37 and the speaker unit 36 of the headset unit 38
Make a call using. In the call termination, the system controller 19 detects the call termination from the user, that is, the user of the slave unit 2 or the call termination from the other party. The system controller 19 transmits data supporting the fact to the child device 2 in order to end the call and return to a state where the user listened to music before the call. On the other hand, in the child device 2 which has received this signal, the controller 40 obtains from the storage unit 42 information on the position where the music reproduction has been temporarily suspended, and controls the storage medium storage / read unit 43 so that the music that was listened to before the call was heard. Is returned to a state where it can be continuously listened to. Note that the slave unit 2
The same applies to the case where the speaker unit 36 and the microphone unit 37 are used.

Next, an incoming call operation of the cordless telephone device according to the present embodiment when listening to music will be described.

When an incoming call occurs while the music downloaded to the storage medium 3 is being reproduced by the slave unit 2, an incoming call signal is detected by the system controller 19 via the line interface unit 11. System controller 1
9 transmits the fact that an incoming call has occurred as an incoming call control signal to the slave unit 2 from the baseband processing unit 12 via the modem unit 13 and the wireless unit 14. The incoming call control signal received by the handset 2 is detected by the controller 40, and the controller 40 superimposes a signal indicating that there is an incoming call (an incoming signal) on the music signal. That is, the user can confirm that there is an incoming call along with the music on the speaker unit 36 of the headset unit 38, and perform the incoming call operation using the operation / display unit 41 of the slave unit 2.

The incoming operation by the user is recognized by the system controller 19 of the base unit 1 as an incoming call request in the same manner as the above-mentioned outgoing operation. When the incoming call operation is performed in the slave unit 2, the controller 40 temporarily suspends the reading operation of the music information read from the storage medium 3 by the storage medium storage and reading unit 43, and outputs information indicating the stopped position. Is stored in the storage unit 42. Also, the controller 40
Is transmitted to the base unit 1 as a call request signal in parallel with this. The signal received by the radio unit 14 of the base unit 1 is
The signal passes through the modulation / demodulation unit 13, is processed by the baseband processing unit 12, and the system controller 19 detects a call request.
When this call request is received, the system controller 19
Starts the incoming call operation, closes the line, and enters the talking state. When the call ends, the system controller 19 terminates the call and returns to the state where the user listened to the music before the call. And send data to support it. On the other hand, in the child device 2 which has received this signal, the controller 40 obtains from the storage unit 42 information on the position where the music reproduction has been temporarily suspended, and controls the storage medium storage / read unit 43 so that the music that was listened to before the call was heard. Is returned to a state where it can be continuously listened to. The same applies to the case where the speaker unit 36 and the microphone unit 37 of the slave unit 2 are used.

Further, the cordless telephone device according to the present embodiment converts the voice data stored in the storage units 20 and 42 and the voice data read from the storage medium 3 by the storage medium storage reading units 21 and 43 into the base unit. It has a function of transferring data between the slave unit 1 and the slave unit 2 via the wireless units 14 and 31.

First, the operation of transferring audio data from the master unit 1 to the slave unit 2 will be described.

When an instruction to transfer audio data is issued from the slave unit 2 to the master unit 1, a transfer command is input from the operation / display unit 41 of the slave unit 2. The input transfer command is interpreted by the controller 40 of the child device 2, and the baseband processing unit 33
It is transmitted to master device 1 via modem unit 32 and wireless unit 31. The transfer command received by the radio unit 14 of the base unit 1 is input to the system controller 19 via the modem unit 13 and the baseband processing unit 12, and is interpreted. The system controller 19 transmits the audio data stored in the storage unit 20 or the audio data stored in the storage medium 3 and read by the storage medium storage reading unit 21 to the slave unit 2 through the reverse route. Wireless unit 3 of handset 2
The audio data received by 1 is input to the controller 40 via the modulation / demodulation unit 32 and the baseband processing unit 33, and is written into the storage medium 3 via the storage medium storage reading unit 43 by the controller 40.

On the other hand, when instructing the transfer of voice data from the master unit 1 to the slave unit 2, a transfer command is input from the operation / display unit 18 of the master unit 1. The input transfer command is interpreted by the system controller 19 of the base unit 1 and transmitted to the slave unit 2 via the baseband processing unit 12, the modem unit 13 and the wireless unit 14. The transfer command received by the wireless unit 31 of the slave 2 is input to the controller 40 via the modem 32 and the baseband processor 33 and interpreted. Thereby, the controller 40 recognizes that the audio data is continuously transmitted from the master unit 1. Subsequently, the base unit 1 transmits the audio data stored in the storage unit 20 or the audio data stored in the storage medium 3 and read by the storage medium storage reading unit 21 to the slave unit 2 through the same route as described above. The subsequent operation is the same as described above.

As described above, the audio data stored in the storage unit 20 of the master unit 1 and the storage medium 3 of the slave unit 2 is
And means for transferring to the base unit 1
Alternatively, the audio data stored in one of the slave units 2 can be transferred to the slave unit 1 or the master unit 2 to copy the audio sound, and thereafter, can be reproduced. That is, the audio data can be transferred and reproduced from the base unit 1 to the base unit 2 or from the base unit 1 to the base unit 2 without detaching the storage medium 3 from the storage medium storage reading units 21 and 43. In addition, the reliability of the storage medium 3 can be improved by reducing the number of attachments / detachments.

When instructing the transfer of the audio data from the master unit 1 to the slave unit 2 or from the slave unit 2 to the master unit 1, an arbitrary audio data is selected from the many audio data stored in the storage medium 3. It is also possible to instruct to transfer only.
In this case, by transferring only necessary audio data, the storage capacity of the storage units 20 and 42 can be reduced to a wasteful size.

As an external line, an existing telephone line, Cable (cable for connecting a cable television or a cable modem, etc.), and HomePNA (Home Phone) which is one of the standards of a high-speed line using a telephone line are used.
e Line Network Alliance),
Needless to say, it can be realized by wireless, Ethernet (registered trademark), a power supply line, or the like.

In the present embodiment, a cordless telephone device including a master unit and a slave unit has been described as an example of a portable information communication terminal. However, a portable telephone such as a PHS may be used. Needless to say.

[0044]

According to the present invention, by storing voice data such as music received via a communication network in a storage medium, it is possible to communicate with another communication device while listening to voice such as music. Even if communication is performed, it is possible to reproduce the distributed and downloaded audio such as music at any time. In addition, it is possible to download and save a large amount of audio data at a time in a storage medium, and later select any data from the many audio data stored in the storage unit to reproduce the audio. .

Furthermore, by using an SD card as a storage medium, an information communication terminal with sufficient consideration for copyright protection can be provided.

Further, it becomes possible to exchange voice data between the parent terminal, the child terminal and the computer via this storage medium, and various kinds of voice data are classified and stored by the exchangeable storage medium. By exchanging the storage medium, it becomes possible to reproduce sound from desired sound data.

Further, by providing a means for transferring the audio data stored in the storage medium provided in the parent terminal or the child terminal to the child terminal or the parent terminal, respectively, it is possible to store either one of the parent terminal and the child terminal. The audio data stored in the medium can be transferred to the other terminal, and the audio data can be copied or moved to the other storage medium, and the copied or moved audio data can be reproduced. Become.

[Brief description of the drawings]

FIG. 1 is an image diagram showing a communication mode of a cordless telephone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of the cordless telephone device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base unit 2 Remote unit 3 Storage medium 4 Computer 11 Line interface unit 12, 33 Baseband processing unit 13, 32 Modulation / demodulation unit 14, 31 Radio unit 15, 34 A / D / D / A unit 16 Handset unit 17, 35 Audio Circuit section 18, 41 Operation / display section 19 System controller 20, 42 Storage section 21, 43 Storage medium storage reading section 22, 44 Power supply section 36 Speaker section 37 Microphone section 38 Headset section 39 Switching section 40 Controller C External line

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G10L 19/00 G10L 7/04 G H04Q 7/38 9/18 J H04M 1/00 M H04B 7/26 109M F term (reference) 5B058 CA13 KA02 KA04 YA16 5D045 DA20 DB01 5K027 AA11 AA12 BB01 CC01 CC08 HH29 KK01 MM03 5K067 AA14 AA32 AA34 AA42 BB04 BB08 DD23 DD54 EE02 EE10 EE22 FF13 KK23 FF22 FF13 KK13 NN

Claims (8)

[Claims] An information communication terminal connected to a communication network, comprising: a parent terminal having means for communicating with an audio distribution device connected to the communication network to receive audio data; And a child terminal having means for receiving audio data received by the parent terminal and connected to the parent terminal. At least one of the parent terminal and the child terminal includes an insertable / removable storage medium for storing the received audio data. An information communication terminal, characterized in that: 2. The information communication terminal according to claim 1, wherein a designation means for designating the voice distribution device that distributes the voice data is provided in at least one of the parent terminal and the child terminal. 3. The storage medium according to claim 1, wherein said storage medium is an SD (Secure Digital) memory card.
Information communication terminal described. 4. The received audio data is MP3 (MPEG Aud
io Layer 3) format audio data or AAC (Ad
vanced Audio Coding) format audio data.
Information communication terminal according to. 5. A portable information communication terminal connected to a communication network, comprising: receiving means for communicating with an audio distribution device connected to the communication network to receive audio data; An information communication terminal, comprising: a storage medium storage / reading means for recording / reading a read / write data from / to a storage medium capable of inserting / removing audio data. 6. The information communication terminal according to claim 5, further comprising designating means for designating the voice distribution device that distributes the voice data. 7. The storage medium that can be inserted and removed is an SD (Secure D
7. The information communication terminal according to claim 5, wherein the information communication terminal is a memory card. 8. The received audio data is MP3 (MPEG Aud
io Layer 3) format audio data or AAC (Ad
vanced Audio Coding) format audio data.
Information communication terminal according to.