JP2002023772A - Music reproduction system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make plural music data which can not be housed in one device reproducible through a recording device by a reproducing device. SOLUTION: Plural music data are preliminarily stored in a first data storing circuit 2. An attachable/detachable information recorder 4 is connected to a recording device R1, and a music title or the like is written in the information recorder 4 by an information writing circuit 3. The information recorder 4 in which the data are recorded is connected to a reproducing device P1, and the music title is read from the information recorder 4 by a second control circuit 9. Then, the transmission of the music data is requested by radio through a control data output circuit 10 to the recording device R1. A selecting circuit 5 selects music data stored in a data storing means 2. A data output circuit 6 transmits the selected music data by radio to the reproducing device P1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a music reproducing system capable of recording and reproducing a large number of music using a portable reproducing apparatus.

[0002]

2. Description of the Related Art As a conventional music reproducing system, there is a music reproducing system in which an audio signal is recorded on a cassette tape using a CD player or the like, and music is reproduced using a portable headphone stereo or an on-vehicle audio reproducer.

[0003]

However, according to the music reproducing system described above, only the music recorded on the cassette tape can be reproduced, so that many music sources are recorded on one cassette tape. If not, it is necessary to use a plurality of cassette tapes. In addition, there is a problem that music that has not been recorded on a cassette tape in advance cannot be heard.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is intended to be a portable reproducing apparatus without recording music data on a device having a limited recording capacity such as a cassette tape. It is an object of the present invention to realize a music reproduction system that can listen to music without being limited to a place, a time, and a recording capacity of a device by using the device.

[0005]

The present invention according to claim 1 of the present application is a music reproducing system having a reproducing apparatus for reproducing music based on a request from a listener and a recording apparatus for recording music information. A first data storage unit that stores music information including music data and a title of the music data; a detachable information recording unit that records and reproduces predetermined information; and the first data storage unit. Information writing means for extracting a part of music information from the means and writing the extracted music information in the information recording means, and selecting specific music information from a plurality of music information stored in the first data storage means A data output means for outputting the music information selected by the selection means to the outside by wire or wirelessly, and a control means for obtaining predetermined control data from the outside via wire or wireless. A data acquisition unit, a first control means for performing predetermined control on the selection means based on the control data acquired by the control data acquiring means,
Wherein the playback device reads out a music title from the information recording means, a data acquisition means for receiving the music information output from the data output means via a wire or wirelessly, and reads a predetermined music title in accordance with the information. Second control means for performing control, control data output means for outputting control data including the music title output from the second control means to the outside by wire or wirelessly, and music data received by the data acquisition means And a music output means for outputting as a music signal.

According to a second aspect of the present invention, there is provided a music reproducing system including a reproducing apparatus for reproducing music based on a request from a listener and a recording apparatus for recording music information,
The recording device inputs music data and music information including a title of the music data, and encodes the music data based on a predetermined encoding method; and an encoding unit configured to encode the music data by the encoding unit. First data storage means for storing encoded music data and music titles as encoded music information; detachable information recording means for recording and reproducing predetermined information; and information stored in the first data storage means. Information writing means for extracting a part of information from a plurality of encoded music information and writing the extracted encoded music information in the information recording means; and a plurality of encoded music stored in the first data storage means. Selecting means for selecting specific coded music information from the information; data output means for outputting the coded music information selected by the selecting means to the outside by wire or wirelessly; Control data acquisition means for acquiring data from outside via wired or wireless, and first control means for performing predetermined control on the selection means based on the control data acquired by the control data acquisition means, Wherein the playback device includes: a data acquisition unit that receives the encoded music information output from the data output unit via a wired or wireless network; and a music title and an encoding that are recorded in the information recording unit. And a control data output means for outputting control data including a music title outputted from the second control means to the outside by wire or wirelessly. Decoding means for decoding the encoded music data received by the data acquisition means into original music data based on an instruction from the second control means; It is characterized in that it comprises a music output means for outputting the music data decoded by No. means as a music signal.

According to a third aspect of the present invention, there is provided a music reproducing system including a reproducing apparatus for reproducing music based on a request from a listener and a recording apparatus for recording music information,
The recording device includes a music reproducing unit that reproduces music recorded on a recording medium, a music selecting unit that selects music to be reproduced by the music reproducing unit, and an information recording unit that detachably records and reproduces predetermined information. Information writing means for extracting predetermined music data and music information including the title of the music data from the music reproduction means, writing the extracted music information to the information recording means, and reproducing the music information by the music reproduction means. Data output means for outputting the music information to the outside by wire or wireless, control data obtaining means for obtaining predetermined control data from the outside via wire or wireless, and control data obtained by the control data obtaining means. And a first control means for performing predetermined control on the music reproduction means based on the data output means. A data acquisition unit that receives the music information output from the unit via a wire or wirelessly, a second control unit that reads out the music information recorded in the information recording unit and performs a predetermined control according to the information, Control data output means for outputting control data including the music title output from the control means to the outside by wire or wirelessly, and music output means for outputting the music data received by the data acquisition means as a music signal. It is characterized by doing.

According to a fourth aspect of the present invention, in the music reproduction system according to any one of the first to third aspects, the control data output unit is configured to output the information recording unit read by the second control unit. Is output as control data.

According to a fifth aspect of the present invention, in the music reproduction system according to any one of the first to third aspects, the control data obtaining means transmits the control data output from the control data output means by wire or wirelessly. It is characterized by being obtained through

[0010] According to a sixth aspect of the present invention, in the music reproduction system according to any one of the first to third aspects, the second data storage means for storing music information acquired by the data acquisition means is used for the reproduction. The apparatus is further provided with:

According to a seventh aspect of the present invention, in the music reproduction system of the second aspect, the information recording means records and reproduces information relating to the encoding means and the first data storage means. Is what you do.

The invention of claim 8 of the present application is directed to claim 1 or 2
In the music reproducing system, the recording device is further provided with editing means for editing music information stored in the first data storage means.

According to a ninth aspect of the present invention, in the music reproduction system according to the eighth aspect, the information recording means records information including a music title edited by the editing means. .

According to a tenth aspect of the present invention, in the music reproducing system of the second aspect, the encoding means is capable of encoding a plurality of independent musics by different encoding methods. Is what you do.

According to an eleventh aspect of the present invention, in the music reproducing system according to the first or second aspect, the first control means and the second control means execute the music title stored in the information recording means. It is characterized in that the included information is displayed outside.

According to a twelfth aspect of the present invention, in the music reproduction system of the first or second aspect, the first control means controls the selection means in accordance with the control data read by the control data acquisition means. It is characterized by performing.

According to a thirteenth aspect of the present invention, in the music reproduction system of the third aspect, the first control means controls the music selection means in accordance with the control data read by the control data acquisition means. It is characterized by the following.

According to a fourteenth aspect of the present invention, in the music reproduction system according to the second aspect, the encoding means automatically selects a coding method that minimizes a data amount from a plurality of coding methods. It is characterized by doing.

According to a fifteenth aspect of the present invention, in the music reproducing system of the second aspect, the encoding means compresses a music data amount to a music signal.

According to a sixteenth aspect of the present invention, in the music reproduction system of the second aspect, the information recording means stores an encoding method of the encoding means in addition to the encoded music information. It is assumed that.

According to a seventeenth aspect of the present invention, in the music reproduction system of the first aspect, the information recording means is at least one of the first data storage means, the selection means, and the data output means. The security information is stored.

According to an eighteenth aspect of the present invention, in the music reproduction system according to the second aspect, the information recording means includes the encoding means, the first data storage means, the selection means,
The security information is stored in at least one of the data output units.

According to a nineteenth aspect of the present invention, in the music reproduction system according to the third aspect, the information recording unit is a security unit in at least one of the music reproduction unit, the music selection unit, and the data output unit. It is characterized by storing information.

The invention of claim 20 of the present application relates to claims 1 to 3
In the music reproduction system according to any one of the above,
Processing means for processing the data read by the control means, and providing the processing data to the control data output means in the reproduction apparatus.

According to a twenty-first aspect of the present invention, in the music reproduction system according to the third aspect, an encoding unit for compressing and encoding music data output from the music reproduction unit is further provided in the recording device, Decoding means for decoding the encoded data output from the means into the original music data is further provided in the reproducing apparatus.

According to a twenty-second aspect of the present invention, in the music reproduction system of the second aspect, the information recording means stores a part of the encoded music data stored in the first data storage means together with a music title. And the second
The control means outputs a request for further transmission of the encoded music data to the control data output means immediately before decoding and reproduction of the encoded music data stored in the information recording means are completed. Is what you do.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a music reproducing system according to each embodiment of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a configuration diagram of a music reproduction system according to Embodiment 1 of the present invention. This music playback system includes a recording device R1 and a playback device P1. The recording device R1 includes a first data storage circuit 2, an information writing circuit 3, an information recording device 4, a selection circuit 5, a data output circuit 6, a control data acquisition circuit 11, and a first control circuit 12.
The function is realized by, for example, a home server. The playback device P1 includes an information recorder 4, a data acquisition circuit 7, a music output circuit 8, a second control circuit 9, and a control data output circuit 10, and its functions are realized by a mobile terminal, for example. Is done. The playback device P1 can access the recording device R1 by a wireless or wired transmission medium (communication infrastructure).

When music data from a CD or the like is input via the terminal 1, the first data storage circuit 2 stores music data of a plurality of music pieces (music) and music information including titles of the music pieces. Is a first data storage unit for storing. The information writing circuit 3 is information writing means for writing the music title stored in the first data storage circuit 2 to the information recording device 4. The information recorder 4 is a non-volatile storage medium detachable from the recording device RI and the reproducing device P1, and is an information recording unit that records and reproduces predetermined music information including a music title. EEP as the information recorder 4
There is a small card memory constituted by a ROM (flash memory).

The selection circuit 5 is a selection means for selecting specific music information from the music information stored in the first data storage circuit 2 and supplying the selected music information to the data output circuit 6. Data output circuit 6
Is a data output unit that outputs the music information selected by the selection circuit 5 to the outside, that is, to the playback device P1 by wire or wirelessly. The control data acquisition circuit 11 is a control data acquisition unit that acquires predetermined control data from the playback device P1 by wire or wirelessly. The first control circuit 12 is a first control unit that performs a predetermined control on the selection circuit 5 based on the control data acquired by the control data acquisition circuit 11.

The data acquisition circuit 7 is data acquisition means for receiving the music information output from the data output circuit 6 via a wire or wirelessly. The music output circuit 8 is music output means for outputting the music data received by the data acquisition circuit 7 as sound. The second control circuit 9 reads the music title recorded in the information recorder 4 based on the instruction of the listener, and performs a predetermined control on the control data output circuit 10 according to the music title selected by the listener. Control means. The control data output circuit 10 is a control data output unit that outputs control data including a music title to the outside, that is, the recording device R1 by wire or wirelessly.

The recording apparatus R1 having such a configuration is assumed to be installed at home, for example, and the reproducing apparatus P1 is to be carried or mounted on a vehicle.

Next, an operation example of the music reproducing system according to the present embodiment will be described. The music data and title of the music input via the terminal 1 are the first
Is stored in the data storage circuit 2. The first data storage circuit 2 is composed of, for example, an HDD, and can store a plurality of sets of music information more than a cassette tape. The music title stored here is written into the information recorder 4 by the information writing circuit 3. The information recorder 4 can store the music title in a cumulative manner, and can be erased by the information writing circuit 3.

It is assumed that the information recorder 4 is detached from the recording device R1 and attached to the reproducing device P1 located at another place. The second control circuit 9 reads the music title stored in the information recorder 4 based on the instruction of the listener. A specific music title is selected by the listener among the plurality of music titles read here. The control data including the music titles and their reproduction order is wirelessly output to the outside via the control data output circuit 10. Recording device R1
The control data acquisition circuit 11 receives the control data including the music title, and controls the selection circuit 5 via the first control circuit 12. The selection circuit 5 selects and reads desired music data from the first data storage circuit 2 according to the music title and the music selection order, and supplies the music data to the data output circuit 6. The data output circuit 6 outputs music data to the outside by wire or wirelessly. The music data output to the outside is received by the data acquisition circuit 7 in the playback device P1, and output as sound by the music output circuit 8.

The second control circuit 9 includes the information recorder 4
Can be displayed in a form visible to the listener. Although the information recorder 4 stores only the music title, the time for reproducing the music title may be stored in combination with the music title. In this case, the second
The control circuit 9 reads out the music title and the reproduction time, and outputs the music title from the control data output circuit 10 in accordance with the reproduction time, whereby the reproduction timing can be controlled.

According to the present embodiment, the listener of the music
By simply transmitting a music title that the user wants to listen to from a vehicle-mounted or portable playback device, the user can listen to the desired music regardless of the location, time, and recording capacity of the device. In addition, since the listener can record a large number of songs on the transmission side by limiting only the songs that the listener intends to listen to, the music selection range of the portable playback device can be greatly increased.

(Embodiment 2) FIG. 2 is a configuration diagram of a music reproduction system according to Embodiment 2 of the present invention. In addition,
Components that are the same as those shown in FIG. 1 are given the same reference numerals, and descriptions of their functions and operations are omitted. This music playback system includes a recording device R2 and a playback device P2. The recording device R2 includes an encoding circuit 13, a first data storage circuit 2, an information writing circuit 3,
a, information recorder 4a, selection circuit 5, data output circuit 6,
A control data acquisition circuit 11 and a first control circuit 12 are included. The playback device P2 includes a data acquisition circuit 7,
Decoding circuit 14, music output circuit 8, information recorder 4a, second
And a control data output circuit 10.

The encoding circuit 13 is an encoding means for compressing and encoding the music data of the music input via the terminal 1 based on a predetermined encoding method, and generating encoded music data. There are a plurality of types of encoding systems, including those prioritizing the compression rate, those for the Internet, those based on MPEG, and those for private brand. The encoded music data and the music title are output as encoded music information. The first data storage circuit 2 is a first data storage unit that stores the encoded music information output by the encoding circuit 13. The information writing circuit 3a is an information writing unit that writes the music data encoding method and music title into the information recording device 4a. The information in this case is not encoded.

The second control circuit 9a in the reproducing device P2
Reads the encoding scheme and music title stored in the information recorder 4a based on the instruction of the listener,
4 is a second control means for giving control information including a music title and a reproduction order to the control data output circuit 10 while giving information on the encoding system to the control data output circuit 4. The decoding circuit 14 calculates the coding method output from the second control circuit 9a according to the information on the coding method.
Decoding means for decoding the encoded music data output from the data acquisition circuit 7 and outputting the PCM music data to the music output circuit 8. The control data output circuit 10 wirelessly transmits control data including a music title to the outside.

The recording device R2 having such a configuration is, for example, a device installed at home, and the reproducing device P2 is a portable device or a device mounted on a vehicle.

Next, an operation example of the music reproduction system according to the present embodiment will be described. Music data reproduced by a CD or the like is input to the encoding circuit 13 via the terminal 1. The encoding circuit 13 performs encoding by a predetermined encoding method in order to compress the input music data into a smaller data amount. The encoded music data and music title compressed by the encoding circuit 13 are stored in the first data storage circuit 2. When the music title stored in the first data storage circuit 2 and the information on the encoding method encoded by the encoding circuit 13 are given as a set, the information writing circuit 3a sends the information to the information recorder 4a. Write information.

The detachable information recorder 4a is connected to the recording device R2.
, And attached to the playback device P2 at another location. The second control circuit 9a reads out the music title and the information on the encoding system stored in the information recorder 4a based on the instruction of the listener. The control data output circuit 10 outputs the read music title and information on the reproduction order specified by the listener to the outside as control data by wire or wirelessly. The control data including the transmitted music title is received by the control data acquisition circuit 11. The first control circuit 12 controls the selection circuit 5 so as to select encoded music data corresponding to the received music title from the first data storage circuit 2. The selection circuit 5 selects encoded music data of a desired music piece from the first data storage circuit 2 and supplies it to the data output circuit 6. The data output circuit 6 transmits the encoded music data to the outside by wire or wirelessly.

The coded music data output to the outside is received by the data acquisition circuit 7 in the playback device P2 according to the playback order. The decoding circuit 14 decodes the encoded music data into music data before compression. At this time, the decoding circuit 1
Reference numeral 4 performs decoding based on the information on the encoding method specified by the second control circuit 9a.

Here, it is assumed that information on the encoding system in the encoding circuit 13 is stored in the information recording device 4a in combination with the music title, but if the encoding system in the encoding circuit 13 is fixed, There is no need to write information about the coding scheme. In this case, the second control circuit 9a does not need to provide the decoding circuit 14 with information on the encoding method.

The encoding circuit 13 may take a method of receiving music data for a plurality of music pieces and compressing and encoding the music data at a time. In that case, it is assumed that the decoding circuit 14 also collectively decodes the music data. Also, the encoding circuit 13 may take a method of temporarily compressing the input music data by a plurality of encoding methods, and finally using the encoding method with the smallest data amount among them.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. In addition, since the listener can record a large number of songs on the transmission side by limiting only the songs that the listener will listen to, the music selection range of the portable playback device can be greatly increased. Further, in a transmission medium for performing data transmission between a recording device and a reproducing device,
Music PC whose data transfer rate is real-time playback
Even when the bit rate is higher than the M data bit rate, music data can be reproduced in real time by compressing the data by encoding.

(Embodiment 3) FIG. 3 is a configuration diagram of a music reproduction system according to Embodiment 3 of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R3 and a playback device P3. The recording device R3 includes a music player 15, an information writing circuit 3b, an information recording device 4, a data output circuit 6, a control data acquisition circuit 11, a first control circuit 12a, and a music selection circuit 16. The playback device P3 includes an information recorder 4, a data acquisition circuit 7, a music output circuit 8, a second control circuit 9, and a control data output circuit 10.

The music player 15 in the recording device R3
It is a reproducing means which can carry a plurality of CDs and the like, and selects a desired album or title from these disc-shaped media and reproduces music. The information writing circuit 3b is an information writing unit that writes a music title of a music piece that can be reproduced by the music reproducing device 15 into the information recording device 4. When the music title is not directly output from the music player 15, the information of the music number and the reproduction time in each CD may be used. in this case,
The user of the recording device R3 writes the music title directly to the information recorder 4 in accordance with the music number.

The music selection circuit 16 is music selection means for selecting music to be reproduced by the music reproducer 15. The data output circuit 6 is a data output unit that outputs the music data reproduced by the music reproducer 15 to the outside by wire or wirelessly. The first control circuit 12a includes the control data acquisition circuit 1
1 is a first control unit that gives an instruction to perform predetermined control to the music selection unit 16 based on the control data obtained by the control unit 1.

The internal structure of the reproducing device P3 is the same as that of the reproducing device P1 shown in FIG. The recording device R3 having the above-described configuration is, for example, a device installed at home, and the reproducing device P3
Is a device to be carried or a device to be mounted on a vehicle.

Next, an example of the operation of the music reproducing system according to the present embodiment will be described. The music player 15 has a plurality of music sources. The information writing circuit 3 b extracts information according to music titles or music names of a plurality of music sources in the music player 15 and writes the information into the information recorder 4. Then, it is assumed that the detachable information recording device 4 is detached from the recording device R3 and attached to the reproducing device P3.

When the information recorder 4 is connected to the second control circuit 9, the stored music data is read out in the order of reproduction according to the instruction of the listener. The control data output circuit 10 transmits control data including a music title to the outside by wire or wirelessly. The control data including the music title is received by the control data acquisition circuit 11 and provided to the first control circuit 12a. The first control circuit 12a controls the music selection circuit 16 to instruct the music playback unit 15 to play back a CD including the designated music piece.
The music data of the reproduced music is transmitted to the outside by wire or wireless by the data output circuit 6. The transmitted music data is received by the data acquisition circuit 7 and output as sound by the music output circuit 8.

According to the present embodiment, the listener of the music
By simply transmitting the music title of the music that the user wants to listen to from the vehicle-mounted or portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. In addition, by setting a plurality of CDs on which music to be listened to by the user is recorded in the music player 15, the selectable range of music on the portable playback device can be expanded to a plurality of CDs. Can be.

(Embodiment 4) FIG. 4 is a configuration diagram of a music reproduction system according to Embodiment 4 of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R1 and a playback device P4. The recording device R1 is similar to the recording device shown in FIG.
, A data storage circuit 2, an information writing circuit 3, an information recording device 4, a selection circuit 5, a data output circuit 6, a control data acquisition circuit 11, and a first control circuit 12. The playback device P4 includes a data acquisition circuit 7, a second data storage circuit 17, a music output circuit 8, an information recorder 4, a second control circuit 9b, and a control data output circuit 10.

The second data storage circuit 17 is a second data storage means for storing the music data acquired by the data acquisition circuit 7 in a music unit or a part thereof, and the music data designated by the second control circuit 9b. The music data of the stored music is output to the music output circuit 8 in synchronization with the reproduction clock in accordance with the title. The second control circuit 9b is a second control means for reading out the music title written in the information recorder 4 and providing the information of the music title to the control data output circuit 10 and the second data storage circuit 17.

The recording device R1 having such a configuration is, for example, a device installed at home, and the reproducing device P4 is a portable device or a vehicle-mounted device.

Next, an operation example of the music reproducing system according to the present embodiment will be described. First data storage circuit 2
Are written to the information recording device 4 by the information writing circuit 3. It is assumed that the detachable information recording device 4 is detached from the recording device R1 and attached to the reproducing device P4 at another location. The second control circuit 9b in the playback device P4 reads the music title stored in the information recorder 4. The read music title data is transmitted to the control data output circuit 10 and the second
To the data storage circuit 17. The control data output circuit 10 outputs control data including a music title to the outside by wire or wirelessly.

The second data storage circuit 17 stores or temporarily stores the music data acquired by the data acquisition circuit 7.
The second control circuit 9b also supplies the music title read from the information recorder 4 to the second storage circuit 17. The second data storage circuit 17 outputs music data corresponding to the given music title, and supplies the music data to the music output circuit 8.

The second data storage circuit 17 in the present embodiment stores the transmitted music data in music units or a part thereof. In this case, the music requested by the listener to be transmitted can be temporarily recorded in the second data storage circuit 17, and can be reproduced offline at a convenient time. If the data transfer rate of the transmission medium connecting the recording device R1 and the reproducing device P4 is higher than the data processing rate at the time of reproducing the music, real-time reproduction of the music becomes difficult. In this case, the second data storage circuit 17 can be used as a data buffer for music data.

According to the present embodiment, the listener of the music simply transmits the music title he / she wants to listen to from the portable reproducing apparatus, and is not limited to the place, time and recording capacity of the device, and the desired music can be obtained. You can listen to. In addition, the music data of the music that the listener is going to listen to is received in advance,
It can be stored in the second storage circuit 17. According to this method, even when the data transfer rate of the transmission medium is higher than the data processing rate at the time of reproducing the music, it is possible to listen to the desired music at a desired time.

(Embodiment 5) FIG. 5 is a configuration diagram of a music reproduction system according to Embodiment 5 of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R5 and a playback device P1. The recording device R5 includes a first data storage circuit 2, an editing circuit 18, an information writing circuit 3c, an information recording device 4, a selection circuit 5, a data output circuit 6, a control data acquisition circuit 11, and a first control circuit 12. Be composed. The playback device P
1 includes an information recorder 4, a data acquisition circuit 7, a music output circuit 8, a second control circuit 9, and a control data output circuit 10, as in the case of FIG.

The editing circuit 18 in the recording device R5 is an editing means for editing the storage position of a plurality of music data stored in the first data storage circuit 2, the music title, and the like.

Next, an operation example of the music reproducing system according to the present embodiment will be described. First data storage circuit 2
Stores a plurality of music data and music titles. The editing circuit 18 edits the storage location and music title of these music data. The editing circuit 18 updates the order of music titles written in the information recorder 4,
The music data of unnecessary music can be deleted. Thereby, the recording position of the music to be reproduced can be changed. The operation of each block other than the above is the same as that of the first embodiment, and a description thereof will be omitted.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. Further, the user can edit the music data and music title of the first data storage circuit 2 once recorded. For this reason, it is possible to delete unnecessary music pieces from the music information of a plurality of music pieces input from the music source and change the output order.

(Embodiment 6) FIG. 6 is a configuration diagram of a music reproduction system according to Embodiment 6 of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R6 and a playback device P6. The recording device R6 includes a first data storage circuit 2, an information writing circuit 3, an information recording device 4b, a selection circuit 5, a data output circuit 6, a control data acquisition circuit 11a, and a first control circuit 12. The playback device P6 includes an information recorder 4b, a data acquisition circuit 7, a music output circuit 8, a second control circuit 9c, and a control data output circuit 10a.

The control data acquisition circuit 11a in the recording device R6 is control data acquisition means that does not perform subsequent control unless security information (hereinafter referred to as a password) is received. The information recorder 4b is information recording means for storing a music title of a music piece stored in the first data storage circuit 2 and a password to be given to the control data acquisition circuit 11a.

The second control circuit 9c in the reproducing device P6
Is a second control means for reading out the password and the music title stored in the information recorder 4b based on the instruction of the listener, and providing these as control data to the control data output circuit 10a. The control data output circuit 10a is a control data output unit that transmits a password and a music title to the outside by wire or wirelessly.

The recording device R6 having such a configuration is, for example, a device installed at home, and the reproducing device P6 is a portable device or a device mounted on a vehicle.

Next, an example of the operation of the music reproduction system according to the present embodiment will be described. Detachable information recorder 4
b stores a password and a music title for controlling the control data acquisition circuit 11a. Information recorder 4b
Is removed from the recording device R6 and attached to the reproducing device P6 located at a different location. The second control circuit 9c reads the password and the music title from the information recorder 4b based on the instruction of the listener. The control data output circuit 10a outputs the password and the music title to the outside by wire or wirelessly. The password and the music title are received by the control data acquisition circuit 11a in the recording device R6. The control data acquisition circuit 11a checks this password, and permits the output of music data if the password is recognized. In this case, the control data acquisition circuit 1
1a instructs the first control circuit 12 to extract the music data of the music having the received music title. The first control circuit 12 controls the selection circuit 5 to cause the first data storage circuit 2 to output desired music data. Also,
If the received password is different from the predetermined password, the control data acquisition circuit 11a does not permit the output of the music data.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. In addition, when accessing music data from a reproducing apparatus to a recording apparatus via a data transmission medium, it is generally necessary to input a password each time. However, in the present embodiment, since the password is recorded in the information recording device 4b on the reproducing apparatus side, the password can be automatically transmitted every time the music data is accessed.

(Embodiment 7) FIG. 7 is a configuration diagram of a music reproduction system according to Embodiment 7 of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R1 and a playback device P7. As in the first embodiment, the recording device R1 includes a first data storage circuit 2, an information writing circuit 3, an information recording device 4, a selection circuit 5, a data output circuit 6, a control data acquisition circuit 11, and a first control circuit. 12 are included. The playback device P7 includes an information recorder 4, a data acquisition circuit 7, a music output circuit 8, a second control circuit 9, a processing circuit 19, and a control data output circuit 10.

The processing circuit 19 in the reproducing apparatus P7 is a processing means for controlling the output timing of the music title read by the second control circuit 9 and outputting the data to the outside via the control data output circuit 10. .

The recording device R7 having such a configuration is, for example, a device installed at home, and the reproducing device P7 is a portable device or a device mounted on a vehicle.

Next, an operation example of the music reproduction system according to the present embodiment will be described. The second control circuit 9 reads a music title from the information recorder 4. Processing circuit 19
Receives the read music title, sets the time for outputting the music title to the outside based on the instruction of the listener, and gives the data to the control data output circuit 10. For example, after outputting the music title A, three minutes later B
And outputs a music title C two minutes after that. The music title and its output time can be edited by the listener's key input or the like.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. Also, by providing a processing circuit in the playback device, the music requested by the listener can be automatically played back in a desired time zone.

(Eighth Embodiment) FIG. 8 is a configuration diagram of a music reproduction system according to an eighth embodiment of the present invention. In addition,
Components that are the same as the components shown in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted. This music playback system includes a recording device R8 and a playback device P8. The recording device R8 includes a first data storage circuit 2a,
Information writing circuit 3d, information recording device 4c, selection circuit 5,
It includes a data output circuit 6, a control data acquisition circuit 11, and a first control circuit 12. The playback device P8 is
Information recorder 4c, data acquisition circuit 7, music output circuit 8
a, a second control circuit 9d, and a control data output circuit 10.

The information writing circuit 3d is information writing means for writing a part of the music title and music data stored in the first storage circuit 2a into the information recorder 4c. Second
The control circuit 9d is a second control means for reading out a music title and music data from the information recorder 4c. The control data including the read music title is output to the outside by wire or wireless by the control data output circuit 10. The music data read from the information recorder 4c is output to the music output circuit 8a. The music output circuit 8a is connected to the music data received from the second control circuit 9d and the data acquisition circuit 7
This is a music output unit that merges (fuses) with music data received later via the PC, converts the music data into the original music data, and outputs the data to the outside as sound.

The recording device R8 having such a configuration is, for example, a device installed at home, and the reproducing device P8 is a portable device or a device mounted on a vehicle.

Next, an operation example of the music reproducing system according to the present embodiment will be described. When music data and a music title are input via the terminal 1, the information is stored in the first data storage circuit 2a. Also, of the music information stored in the first data storage circuit 2a, a part of the music data and its music title are stored in the information writing circuit 3.
The data is written to the information recorder 4c by d. It is assumed that the detachable information recording device 4c is detached from the recording device R8 and attached to the reproducing device P8 at a different location.

The music data and the music title stored in the information recorder 4c are read by the second control circuit 9d based on the instruction of the listener. The read music title is wirelessly output to the outside by the control data output circuit 10. The music data read by the second control circuit 9d is output to the music output circuit 8a.

When the control data acquisition circuit 11 receives the music title, the control data acquisition circuit 11 controls the selection circuit 5 from the first control circuit 12. The selection circuit 5 selects the remaining music data of the specified music from the first data storage circuit 2 a and supplies the selected music data to the data output circuit 6. The data output circuit 6 outputs music data to the outside by wire or wirelessly.

The data acquisition circuit 7 acquires the remaining music data from outside. The music output circuit 8a is a data acquisition circuit 7
Then, the music data received from the second control circuit 9d is merged, converted into one original music data, and output as sound.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. Also, by recording some music data on the information recorder,
You can listen to the cue of the selected music offline. Also, by obtaining the continuation of the selected music online, music with a long playing time can be heard via a transmission medium with a limited data transfer rate.

(Embodiment 9) FIG. 9 is a configuration diagram of a music reproduction system according to Embodiment 9 of the present invention. In addition,
The same components as those of the music playback system shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted. This music playback system includes a recording device R9 and a playback device P9. The recording device R9 includes a music player 15, an information writing circuit 3b, an information recording device 4, an encoding circuit 20, a data output circuit 6, and a control data acquisition circuit 1.
1, a first control circuit 12 a and a music selection circuit 16. The playback device P9 includes an information recorder 4, a data acquisition circuit 7, a decoding circuit 21, a music output circuit 8, a second control circuit 9, and a control data output circuit 10.

The music player 15 in the recording device R9 is
It is a reproducing unit that has a plurality of CDs and the like, and selects and reproduces a desired song from a large number of songs (albums). The information writing circuit 3b is information writing means for writing the music title of the music recorded on the CD of the music player 15 into the information recorder 4. The music selection circuit 16 is music selection means for selecting music to be reproduced by the music player 15. The encoding circuit 20 is an encoding unit that compresses and encodes the music data output from the music player 15 using a predetermined encoding method.
The data output circuit 6 is a data output unit that outputs the encoded music data output from the encoding circuit 20 to the outside by wire or wirelessly. The first control circuit 12a is a first control unit that gives a predetermined instruction to the first control circuit 12a based on the control data acquired by the control data acquisition circuit 11.

Second control circuit 9 in playback device P9
Is a second control means for giving the information of the music title stored in the information recorder 4 to the control data output circuit 10 based on the instruction of the listener. The decoding circuit 21 decodes the encoded music data output from the data acquisition circuit 7 according to a predetermined encoding method, and converts the PCM music data to the music output circuit 8.
The decoding means outputs the data to

The recording device R9 having such a configuration is, for example, a device installed at home, and the reproducing device P9 is a portable device or a device mounted on a vehicle.

Next, an example of the operation of the music reproduction system according to the present embodiment will be described. The PCM music data reproduced by the music reproducer 15 is input to the encoding circuit 20. The encoding circuit 20 performs encoding by a predetermined encoding method in order to compress the data amount of the input music data. The encoded music data compressed here is output to the outside by wire or wireless by the data output circuit 6.

The encoded music data output to the outside is obtained by the data obtaining circuit 7 and input to the decoding circuit 21. The decoding circuit 21 performs a decoding process and returns the compressed music data to the original music data. The decoded music data is output as a sound by the music output circuit 8.

According to the present embodiment, the listener of the music
By simply transmitting the music title that the user wants to listen to from the portable playback device, the user can listen to the desired music regardless of the location, the time, and the recording capacity of the device. Also, by compressing and encoding music data output from the music player, the data amount of music data recorded by PCM can be significantly reduced. Further, in a transmission medium for transmitting data between a recording device and a reproducing device, even when the data transfer rate is lower than the bit rate of the music data, the data can be reproduced in real time by compressing the data by encoding. .

In the first to ninth embodiments, data is output to the outside wirelessly, but data may be output using a cable such as a cable. Further, although each means has been described using the expression of a circuit, it is also possible to realize these means only by software or a mixture of hardware and software. Also, a music reproducing system can be configured by appropriately combining these embodiments.

[0091]

According to the music reproducing system having the basic configuration according to the first aspect, music data is not recorded on the recording / reproducing medium of the reproducing apparatus, but is limited to the location, time, and data capacity of the recording / reproducing medium. Without listening, the music can be listened to by the playback device based on the request of the listener.

Further, since the above-mentioned music reproducing system is further provided with encoding means and decoding means, the music data is not recorded on the recording / reproducing medium of the reproducing apparatus, so that the location and time and the data capacity of the recording / reproducing medium can be reduced. Without being limited to this, it is possible to listen to music with a portable playback device. In addition, since the listener can record a large number of songs on the transmission side by limiting only the songs that the listener intends to listen to, the music selection range in the portable playback device can be greatly increased. Furthermore, in a transmission medium for transmitting data between a recording device and a reproducing device, even if the data transfer rate is lower than the bit rate of music data, music data can be transmitted in real time by compressing the data by encoding.

Further, by providing a music reproducing means in the music reproducing system instead of the first data storing means, the portable reproducing apparatus is not limited to a place, a time and a data capacity of a recording / reproducing medium. You can listen to music at.
In addition, by setting a recording medium on which music to be listened to by a listener is recorded in music reproducing means, the range of music selection in a portable reproducing apparatus is greatly expanded.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a music reproduction system according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a music playback system according to Embodiment 2 of the present invention.

FIG. 3 is a configuration diagram of a music reproduction system according to a third embodiment of the present invention.

FIG. 4 is a configuration diagram of a music reproduction system according to a fourth embodiment of the present invention.

FIG. 5 is a configuration diagram of a music reproduction system according to a fifth embodiment of the present invention.

FIG. 6 is a configuration diagram of a music reproduction system according to a sixth embodiment of the present invention.

FIG. 7 is a configuration diagram of a music playback system according to a seventh embodiment of the present invention.

FIG. 8 is a configuration diagram of a music reproduction system according to an eighth embodiment of the present invention.

FIG. 9 is a configuration diagram of a music playback system according to Embodiment 9 of the present invention.

[Explanation of symbols]

R1, R2, R3, R5, R6, R8, R9 Recording device P1, P2, P3, P4, P6, P7, P8, P9 Reproducing device 1 Terminal 2, 2a First data storage circuit 3, 3a, 3b, 3c , 3d information writing circuit 4, 4a, 4b, 4c information recorder 5 selection circuit 6 data output circuit 7 data acquisition circuit 8, 8a music output circuit 9, 9a, 9b, 9c, 9d second control circuit 10, 10a control Data output circuit 11, 11a Control data acquisition circuit 12, 12a First control circuit 15 Music player 16 Music selection circuit 17 Second data storage circuit 18 Editing circuit 19 Processing circuit 20 Encoding circuit 21 Decoding circuit

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masahiro Sueyoshi 1006 Kazuma Kadoma, Osaka Pref.Matsushita Electric Industrial Co., Ltd. 72) Inventor Takeshi Fujita 1006 Kadoma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. 1006 Kadoma Kadoma Matsushita Electric Industrial Co., Ltd. F-term (reference) 5D044 AB05 BC01 CC05 DE22 DE49 EF05 FG18 GK07 GK17 HL06 HL14 5D045 DA20 DB01 5D077 AA22 BA19 BB08 CA11 CB06

Claims (22)

[Claims] 1. A music reproducing system comprising: a reproducing device for reproducing music based on a request from a listener; and a recording device for recording music information, wherein the recording device comprises: music data; A first data storage unit for storing music information including a title, an information recording unit for detachably recording and reproducing predetermined information, and a part of music information extracted from the first data storage unit. Information writing means for writing the music information into the information recording means, selecting means for selecting specific music information from a plurality of pieces of music information stored in the first data storage means, and music selected by the selecting means Data output means for outputting information to the outside by wire or wireless; control data acquisition means for acquiring predetermined control data from the outside via wire or wireless; and the control data And a first control unit that performs predetermined control on the selection unit based on the control data obtained by the obtaining unit, wherein the playback device outputs music output from the data output unit. A data acquisition unit that receives information via a wired or wireless connection; a second control unit that reads a music title from the information recording unit and performs predetermined control according to the information; and a music output from the second control unit Music reproduction comprising: control data output means for outputting control data including a title to the outside by wire or wirelessly; and music output means for outputting music data received by the data acquisition means as a music signal. system. 2. A music reproducing system comprising: a reproducing device for reproducing music based on a request from a listener; and a recording device for recording music information, wherein the recording device comprises: music data; Encoding means for inputting music information including a title and encoding the music data based on a predetermined encoding method; and encoding the encoded music data and music title encoded by the encoding means into encoded music. First data storage means for storing information, detachable information recording means for recording and reproducing predetermined information, and partial information from a plurality of encoded music information stored in the first data storage means An information writing unit that extracts and writes the extracted encoded music information to the information recording unit; and a specific encoded sound from a plurality of encoded music information stored in the first data storage unit. Selection means for selecting music information; data output means for outputting the coded music information selected by the selection means to the outside by wire or wireless; and control for obtaining predetermined control data from outside via wire or wireless A data acquisition unit, and a first control unit that performs predetermined control on the selection unit based on the control data acquired by the control data acquisition unit. A data acquisition unit that receives the encoded music information output from the data output unit via a cable or wirelessly, reads a music title and an encoding method recorded in the information recording unit, and performs predetermined control according to the information Second control means for performing, and control data output for outputting control data including the music title output from the second control means to the outside by wire or wirelessly Means, decoding means for decoding the encoded music data received by the data acquisition means into original music data based on an instruction of the second control means, and music data decoded by the decoding means as a music signal. And a music output means for outputting. 3. A music playback system comprising: a playback device that plays back music based on a request from a listener; and a recording device that records music information, wherein the recording device includes music recorded on a recording medium. Music playback means for playing back music, music selection means for selecting music to be played by the music playback means, information recording means for detachably recording and playing back predetermined information, and predetermined music data and music data from the music playback means. An information writing unit for extracting music information including a title of the music data and writing the extracted music information to the information recording unit; and outputting the music information reproduced by the music reproduction unit to the outside by wire or wireless. A data output unit, a control data acquisition unit that acquires predetermined control data from the outside via a wired or wireless connection, and a control data acquisition unit that acquires the control data. And first control means for performing predetermined control on the music reproduction means based on data, wherein the reproduction apparatus transmits the music information output from the data output means by wire or wirelessly. Data receiving means for receiving the information, music information recorded in the information recording means, a second control means for performing predetermined control according to the information, and a music title outputted from the second control means. A music reproduction system comprising: control data output means for outputting control data to the outside by wire or wireless; and music output means for outputting music data received by the data acquisition means as a music signal. 4. The control data output unit according to claim 1, wherein the control unit outputs information of the information recording unit read by the second control unit as control data. Music playback system as described. 5. The control data acquiring unit acquires control data output from the control data output unit via a cable or wirelessly.
A music playback system according to any one of the preceding claims. 6. The music according to claim 1, further comprising a second data storage unit for storing the music information acquired by the data acquisition unit, in the playback device. Reproduction system. 7. The music reproducing system according to claim 2, wherein said information recording means records and reproduces information relating to said encoding means and said first data storage means. 8. The music reproducing system according to claim 1, further comprising an editing means for editing music information stored in said first data storage means, provided in said recording device. 9. The music reproducing system according to claim 8, wherein said information recording means records information including a music title edited by said editing means. 10. The music reproducing system according to claim 2, wherein said encoding means is capable of encoding a plurality of independent music in different encoding systems. 11. The apparatus according to claim 1, wherein said first control means and said second control means externally display information including a music title stored in said information recording means. Music playback system. 12. The music playback system according to claim 1, wherein the first control unit controls the selection unit according to control data read by the control data acquisition unit. 13. The music reproduction system according to claim 3, wherein said first control means controls said music selection means according to control data read by said control data acquisition means. 14. The apparatus according to claim 2, wherein said encoding means automatically selects and encodes a method having the smallest data amount from a plurality of encoding methods.
Music playback system as described. 15. The music reproducing system according to claim 2, wherein said encoding means compresses a music data amount for a music signal. 16. The music reproducing system according to claim 2, wherein said information recording means stores an encoding system of said encoding means in addition to said encoded music information. 17. The information recording apparatus according to claim 1, wherein the information recording unit stores security information in at least one of the first data storage unit, the selection unit, and the data output unit. Music playback system. 18. The information recording unit stores security information in at least one of the encoding unit, the first data storage unit, the selection unit, and the data output unit. The music playback system according to claim 2. 19. The music reproduction apparatus according to claim 3, wherein said information recording means stores security information in at least one of said music reproduction means, said music selection means, and said data output means. system. 20. The reproducing apparatus according to claim 1, further comprising processing means for processing data read by said second control means, and for providing processed data to said control data output means. A music playback system according to any one of the preceding claims. 21. The recording apparatus further comprising encoding means for compressing and encoding music data output from the music reproduction means, and decoding the encoded data output from the data acquisition means into original music data. 4. The music playback system according to claim 3, wherein a decoding unit is further provided in the playback device. 22. The information recording means for storing a part of the encoded music data stored in the first data storage means together with a music title, and the second control means comprises: 3. The apparatus according to claim 2, wherein a request for further transmission of the encoded music data is output to the control data output means immediately before the decoding and reproduction of the encoded music data stored in the means are completed. Music playback system.