CN101237258B

CN101237258B - Content providing method, content playback method, portable wireless terminal, and content playback apparatus

Info

Publication number: CN101237258B
Application number: CN200810006088.2A
Authority: CN
Inventors: 佐佐木彻; 丹下明; 松田将史; 郑龙震; 仲村健太郎; 德原久美子; 笠原正树
Original assignee: Sony Corp
Current assignee: Sony Corp
Priority date: 2007-02-01
Filing date: 2008-02-01
Publication date: 2014-11-19
Anticipated expiration: 2028-02-01
Also published as: JP4935385B2; CN101237258A; JP2008193245A

Abstract

The invention provides a content providing and playback method. Content data is provided as follows. If a request for providing a content is received from a portable wireless terminal or a content playback apparatus associated with the portable wireless terminal, then content data of the requested content in a form adapted for use by the portable wireless terminal is provided to the portable wireless terminal. Furthermore, content data of the requested content in a form adapted for use by the content playback apparatus is also provided to the content playback apparatus, or a process for providing content data of the requested content in the form adapted for use by the content playback apparatus is performed.

Description

Content provides and playback method, portable radio terminal and content playback apparatus

Technical field

The present invention relates to provide the content playback apparatus of the method for the method of content-data, content-data that playback (play back) provides, the method for the content-data such as music content data, picture material data of resetting and the ability with playback content-data such as portable radio terminal, as mobile telephone, home server, car audio system etc.

Background technology

Now, a lot of people like resetting on PC (PC) by installing at home or home server music or picture material carried out listoning music or watched image.Content-data not only can be downloaded in the PC or home server of the middle installation of getting home, and also can download in the portable radio terminal such as mobile telephone.This not only can also enjoy user at home to listen to or the enjoyment of view content data out of doors.

For above-mentioned purpose, there is the method that content-data is much provided.

For example, in 2000-216684 Japan not in the disclosed technology of substantive examination public announcement of a patent application, music content data send from server via satellite, the music content data of the compressed format that makes the original music content-data of the non-compressed format such as PCM (pulse code modulation) data and produced by initial data are stored on the hard disk drive of installing in server, and the music content data of compressed format are sent out.After being sent completely, can deleting the content-data of compressed format, and only retain PCM data.

In 2001-229095 Japan not in the disclosed technology of substantive examination public announcement of a patent application, a part for music content data or the software such as Games Software sends with compressed format, so that user can evaluate the content-data or the software that receive at short notice.If user likes this content-data or software and determines buying, by sending or providing complete content-data or software with the form of the encapsulation of data that utilizes disk and so on.

In 2005-56240 Japan not in the disclosed technology of substantive examination public announcement of a patent application, the license issuance that the owner of content-data will use content-data is to user and collect the charges.Receive user to the request of content-data after, original non-compressed content data be converted to user specify data format and offer user.

In 2005-352290 Japan not in the disclosed technology of substantive examination public announcement of a patent application, music data provides center from music data server down-load music data, and then user enjoys provides the enjoyment of resetting music data on the user terminal at center being connected to music data by network.

In 2001-242874 Japan, not in the disclosed technology of substantive examination public announcement of a patent application, allowing user to visit music data by public communication network provides server to obtain music data.If user is by specifying music data with speech form to terminal input music title or the artist name of the ability with playback music data, the voice signal of the voice command of user's input is sent to music data provides server.As response, music data provides server that asked music data is sent to terminal.

In 2004-37981 Japan not in the disclosed technology of substantive examination public announcement of a patent application, home server is at home installed, is connected to the wireless router of home server, the terminal of vehicle that is arranged in outdoor parking lot and the wireless device that is connected to car terminal and is connected to each other by WLAN.If user selects music title by terminal in car from be installed on the music data list of home server, selected music data is sent to terminal in car by wireless router and wireless device from home server.So, allow user to enjoy the enjoyment of listening to the music of playback in car in terminal.

Summary of the invention

In the time that user wants the content-data of music and so on is downloaded in the portable radio terminal such as mobile telephone and listen to or watch downloaded content, user operates portable radio terminal with the website of the data set provider that accesses content and sends the request of content-data that sends selected content.Content data provider authenticates this user and asked content-data is sent to portable radio terminal.

Due to bandwidth (capacity) and the memory capacity of portable radio terminal and the restriction of play capability of communication line, be difficult to send the original contents data of large data size.In most of the cases, for fear of the problems referred to above, original contents data are converted to the compressed format such as MPEG (mobile photographic experts group) form, and then the content-data of compressed format is sent out.

Although the maximum available communication speed of internet portable telephone is increasing gradually, the transmission of the original contents data of large data size needs a large amount of groupings therefore to need the call duration time of growing very much.Consequently, except the expense for content-data, user also must pay high communication cost.Therefore, be necessary compressed content data.

In addition, although the memory capacity of the recording medium such as hard disk drive or flash memory using in the portable radio terminal such as mobile telephone is improved, memory capacity is still limited.Therefore,, in order to store a large amount of content-datas, wish compressed content data.

Because portable radio terminal needs very strong portability, be therefore difficult to obtain high sound/picture quality in amplifier, loud speaker, display etc.

Although portable radio terminal has above-mentioned limitation, portable radio terminal has the huge advantage that can receive content-data whenever and wherever possible, and therefore portable radio terminal becomes increased popularity.

Can or copy PC or the home server in user family, installed to by the content-data transmission of storing in portable radio terminal, and use high-performance equipment this content of resetting.

But, even in this case, while making to use high-quality device playback content for the use of the content-data of the compressed format of optimization for portable radio terminal, be also difficult to obtain high sound/picture quality in playback content.

Listen to or watch high-quality content in order to use PC or home server at home, must buy the high-quality content data that are stored on CD (compact disk), DVD (digital versatile CD) etc., and content-data is sent in PC or home server.

But; due to the reason of copyright protection; the content-data being stored in this encapsulation medium is Copy Protection, does not therefore allow to be sent to portable radio terminal and on portable radio terminal, to listen to or the enjoyment of view content to enjoy being stored in content-data in PC or home server.For the content of resetting, must obtain from content data provider the content-data of this content different from content-data for using at PC or home server on portable radio terminal.

In view of the above problems, being desirable to provide a kind of technology receives the content-data that is suitable for using on portable radio terminal and the content-data receiving is stored in portable radio terminal, and reception is suitable for the content-data using on the content playback apparatus being installed in family or in car and the content-data receiving is stored in content playback apparatus, and request content data set provider provides the content-data of two types respectively, thereby allow user to enjoy the enjoyment of listening to or watching same content on portable radio terminal and content playback apparatus, although the content of resetting on portable radio terminal sound/picture quality compared with the content of resetting on content playback apparatus is relatively low.

When user wants the content-data of music and so on to download in the portable radio terminal such as mobile telephone when listening to or to watch the content of download, user operates the request that portable radio terminal visits the website of content data provider and sends the content-data that sends selected content.Content data provider authenticates this user and asked content-data is sent to portable radio terminal.

Although the memory capacity of the recording medium such as hard disk drive or flash memory using in the portable radio terminal of mobile telephone or other types is improved, memory capacity is still limited.Therefore,, in order to store a large amount of content-datas, wish compressed content data.

Content-data such as music content data can also be read PC or home server or by this content-data and downloaded to PC or home server from the content data provider such as music data supplier from the recording medium such as CD.The content-data being stored in PC or home server can be sent to portable radio terminal with this content-data of resetting on portable radio terminal.

Can also be sent to PC or home server to use high-performance equipment this content of resetting by being stored in content-data in portable radio terminal.

But, in this case, while making to use high-performance equipment playback content for the use of the content-data of the compressed format of optimization for portable radio terminal, be also difficult to obtain high sound/picture quality in playback content.

In this case, if user forgets, content-data is sent to home server from portable radio terminal,, in the time that user attempts to reset content on the home server in his/her family, user just can be appreciated that content-data is not yet sent to home server.In this case, user need to operate portable radio terminal and content-data is sent to home server from portable radio terminal then operates home server the transmitted content-data of resetting, otherwise only allows user by operation portable radio terminal this content of resetting on portable radio terminal.In any case user needs to carry out complicated operation.

In view of the above problems, being desirable to provide a kind of technology comes only to carry out the content playback operation on Control the content reproducing device by operating the portable radio terminal of the remote controller that serves as content playback apparatus such as mobile telephone.

According to embodiments of the invention, a kind of content-data supplying method is provided, comprise the following steps: if the content playback apparatus being associated from portable radio terminal or with portable radio terminal receives the request that content is provided, the content-data for the form of portable radio terminal that is suitable for of institute's request content is provided to portable radio terminal, and provide the content-data for the form of content playback apparatus that is suitable for of institute's request content to content playback apparatus, or carry out the process for the content-data of the form of content playback apparatus that is suitable for that institute's request content is provided.

Can be compressed format for the content-data of portable radio terminal, can be non-compressed format for the content-data of content playback apparatus.

In this content-data supplying method, for example, if user in any place (outdoor) sends content from portable radio terminal to content data provider request is provided, content data provider for the form of portable radio terminal (being for example suitable for this content, compressed format) content-data send to portable radio terminal, content data provider is for the form of content playback apparatus (being for example suitable for this content also, non-compressed format) content-data directly send to that user specifies in advance or content provides the content playback apparatus of specifying in request, or content data provider is carried out the process for the content-data of the form of content playback apparatus that is suitable for that institute's request content is provided.

Allow user receive for portable radio terminal (for example, compressed format) content-data and in any place (for example outdoor) be stored in portable radio terminal, and allow user's obtained content-data of resetting immediately on this portable radio terminal.In addition, for the content-data of the form of content playback apparatus (being for example suitable for of identical content, the content-data of non-compressed format) be automatically sent to the content playback apparatus being installed in user family or in car, and the request that does not need user to send in addition the content-data that sends identical content to content playback apparatus, thereby while allowing user to go home, listen to or watch high-quality content.

As mentioned above, allow user receive the content-data that is suitable for using and the content-data receiving is stored in portable radio terminal on portable radio terminal, and reception is suitable for the content-data using on the content playback apparatus being installed in family or in car and the content-data receiving is stored in content playback apparatus, and provide the content-data of two types without request content data set provider respectively, thereby allow user to enjoy the enjoyment of listening to or watching same content on portable radio terminal and content playback apparatus, although the content of resetting on portable radio terminal sound/picture quality compared with the content of resetting on content playback apparatus is relatively low.

According to another embodiment of the present invention, provide a kind of comprising the method for resetting content-data in can carrying out the portable radio terminal of radio communication and the content playback system of content playback apparatus each other, comprise the following steps: in the time that the order of the following content of resetting is issued on portable radio terminal (content-data for portable radio terminal of described content is stored in portable radio terminal), by radio communication, the order of this content of resetting is sent to content playback apparatus from portable radio terminal, if and the content-data for content playback apparatus of this content is stored in content playback apparatus, the content-data for content playback apparatus by use, this content of resetting on content playback apparatus.

If the content-data of this content is not stored in content playback apparatus, carry out one of process below: (1) sends to portable radio terminal by the order of this content of resetting from content playback apparatus by radio communication, and as response, be stored in the content-data in portable radio terminal by use, this content of resetting on portable radio terminal, or (2) by radio communication, the request of the content-data that sends this content is sent to portable radio terminal from content playback apparatus, by radio communication, the content-data of this content is sent to content playback apparatus from portable radio terminal, and use the content-data that receives this content of resetting on content playback apparatus.

In this content playback method, in the time that portable radio terminal and content playback apparatus carry out mutually the state of radio communication in allowing them in user family or in car, if user in selecting content also sends while resetting the order of selected content by portable radio terminal, if the content-data of selected content is present in content playback apparatus, utilize this content-data this content of resetting by the high-performance audio/video output device of content playback apparatus.

In the case of during the content-data of selected content is not stored in content playback apparatus, the order of sending in response to content playback apparatus this content of resetting on portable radio terminal, or the request of sending in response to content playback apparatus is provided to content playback apparatus by the content-data of selected content from portable radio terminal, and utilize the content-data that provides this content of resetting on content playback apparatus.

As mentioned above, the invention provides and allow user only by reset on the content playback apparatus such as home server the technology of content of the portable radio terminal of the remote controller that serve as content playback apparatus of operation such as mobile telephone.

Brief description of the drawings

Fig. 1 is the diagram of illustrative system ios dhcp sample configuration IOS DHCP;

Fig. 2 is the diagram of the example of the outward appearance of description playback system;

Fig. 3 is the diagram of the example of explanation portable radio terminal;

Fig. 4 is the diagram of the example of description reproducing device;

Fig. 5 is that explanation sends request of data and asked data sent to the flow chart of the process example of portable radio terminal from portable radio terminal;

Fig. 6 is access content reproducing device send the flow chart of process example of data from content playback apparatus of explanation;

Fig. 7 is the flow chart of the example of explanation playback content-data;

Fig. 8 is the flow chart of another example of explanation playback content-data;

Fig. 9 is the flow chart of explanation by a part for the content playback process of portable radio terminal and content playback apparatus execution;

Figure 10 is the flow chart of explanation by the next part of the content playback process of portable radio terminal and content playback apparatus execution; And

Figure 11 is the flow chart of explanation by the next part again of the content playback process of portable radio terminal and content playback apparatus execution.

Embodiment

System configuration example

Overall system configuration

Fig. 1 explanation is configured to come according to embodiments of the invention the example of the system of implementation content supplying method and content playback method.

In this example shown in Fig. 1, system comprises the portable radio terminal 10 and the content playback apparatus (home server) 30 that are installed on user locations, also comprises that content-data provides server (content provider) 100.

Portable radio terminal 10 is for example mobile telephone, described mobile telephone is configured to the ability that has telephonic communication capability and reset content-data by carrying out following process, described process comprises: visit content-data by internet portable telephone 1 and internet 3 server 100 is provided, send the request that sends content-data to content data providing server 100, receive the content-data that content-data provides server 100 to send in response to this request, the content-data that storing received arrives in being installed in portable radio terminal 10 or laying (mount) recording medium on portable radio terminal 10, thereby and from recording medium content data playback content-data.

In the time that portable radio terminal 10 is positioned at from content playback apparatus 30 particular range, portable radio terminal 10 also has the ability of directly communicating by letter with content playback apparatus 30 by radio communication.

In brief, portable radio terminal 10 comprises controller 11, memory cell 16, content playback data output unit 20, wave point 26 and is connected to the radio communication unit 28 of antenna 29, and wherein these unit are connected to each other by bus 13.

Content playback apparatus 30 is for example home server as shown in Figure 2.Content playback apparatus 30 is configured to have following ability: with being stored in content-data in memory cell 36 content of resetting, access other equipment such as content-data provides server 100 by internet 3, and in the time that portable radio terminal 10 is positioned at from content playback apparatus 30 particular range, directly communicate by letter with portable radio terminal 10 by radio communication.

In brief, content playback apparatus 30 comprises controller 31, memory cell 36, content playback data output unit 40, wave point 46 and external network interface 48, and wherein these parts are connected to each other by bus 33.

Note the form of the individual equipment that content playback apparatus 30 not necessarily will be configured to physically separate.In addition, content playback apparatus 30 not necessarily will be installed as the home server in family, but can be installed as hoot device equipment in the vehicle such as automobile etc.

Content-data provides server 100 to comprise management server 110 and content data server 120.Content data server 120 comprises first content data server 121 and second content data server 122.

First content data server 121 is suitable for the content-data (may be compressed format) of storage for portable radio terminal 10, and content-data is provided to management server 110 by the request of sending in response to management server 110.Second content data server 122 is suitable for the content-data (may be non-compressed format) of storage for content playback apparatus 30, and content-data is provided to management server 110 by the request of sending in response to management server 110.

Management server 110 is suitable for receiving and sends request from the content of portable radio terminal 10 or content playback apparatus 30, and sends to portable radio terminal 10 and the content-data having for the form of content playback apparatus 30 is sent to content playback apparatus 30 having for the content-data of the form of portable radio terminal 10 in response to this request.

Hereinafter, there is content-data for the form of portable radio terminal 10 referred to as the content-data for terminal, there is content-data for the form of content playback apparatus 30 referred to as the content-data for equipment.

Fig. 2 explanation is configured to the outward appearance example of the content playback system of implementation content playback method according to embodiments of the invention.

In this example shown in Fig. 2, content playback system comprises portable radio terminal 10 and content playback apparatus 30.

In this example, portable radio terminal 10 is mobile telephones, and content playback apparatus 30 is to be installed in user family and the home server of stereo music data of can resetting.

Portable radio terminal example

The ios dhcp sample configuration IOS DHCP of portable radio terminal 10 is described below with reference to figure 3.

Portable radio terminal 10 comprises CPU 12, ROM 14 and RAM 15.ROM 14 and RAM 15 are connected to CPU 12 with formation control device 11 by bus 13.

The information of storing the information of the various programs of being carried out by CPU 12, telephone number or address and so on marking terminal and being associated with the user (owner) of terminal in ROM 14.The service area that RAM 15 is used as CPU 12 is with storage program and data.

Bus 13 is also connected to memory cell 16 and operating unit 17.Memory cell 16 is realized by the recording medium that is fixedly mounted in the recording medium such as flash memory or hard disk in terminal or be placed in removedly in terminal, and for memory of content data etc.Operating unit 17 comprises various buttons and/or touch pad.

Bus 13 is also connected to microphone 19, is connected to amplifier 22 and loud speaker 23 and is connected to display 25 by graphics processing unit 24 by audio treatment unit 21 by audio treatment unit 18.

Microphone 19 is for detection of by the voice that send from portable phone.Audio treatment unit 18 is suitable for from the audio signal of microphone 19, extracting the signal component of frequency in preset range and converting the audio signal of generation to digital form from output.Loud speaker 23 is suitable for providing the acoustics output of voice signal that portable phone receives and so on, is also suitable for the sound/speech of outputting music content and so on content.Audio treatment unit 21 is suitable for the form that audio signal is used to convert thereof into final this audio signal of output.More specifically, for example, the processing that audio treatment unit 21 is carried out comprises carries out decompress(ion) to the music signal of compression.

Display 25 is for showing the content of function screen and image or textual form.Graphics processing unit 24 is suitable for processing the data that are associated with this screen or content-data.The processing example that graphics processing unit 24 is carried out is carried out decompress(ion) or decoding as comprised to data.

Therefore,, in portable radio terminal 10, content playback data output unit 20 is realized by audio treatment unit 21, amplifier 22, loud speaker 23, graphics processing unit 24 and display 25.

Bus 13 is also connected to wave point 26 and radio communication unit 28.Radio communication unit 28 is connected to antenna 29.

Wave point 26 provides the interface that carrys out direct communication between terminal and content playback apparatus 30 by the radio communication such as infrared communication, bluetooth (registered trade mark) communication or WiFi (Wireless Fidelity) communication.Wave point 26 serves as the remote control I/O unit of content playback apparatus 30.Providing of radio communication unit 28 and antenna 29 makes portable phone can carry out radio communication.

Content playback apparatus example

Exemplary reference Fig. 4 of content playback apparatus 30 is described below.

Content playback apparatus 30 comprises CPU 32, ROM 34 and RAM 35.ROM 34 and RAM 35 are connected to CPU 32 by bus 33.In ROM 34, various programs and fixed information are by permanent storage.RAM 35 is for dynamic memory program and data.Controller 8 is formed by CPU 32, ROM 34 and RAM 35.

Bus 33 is also connected to memory cell 36 and operating unit 37.Memory cell 36 is realized by the recording medium that is fixedly mounted in the recording medium such as flash memory or hard disk in equipment or be placed in removedly on equipment, and for memory of content data etc.

Bus 33 is also connected to amplifier 42 and loud speaker 43 by audio treatment unit 41, and is connected to display 45 by graphics processing unit 44.

Audio treatment unit 41 is suitable for the form that audio signal is used to convert thereof into final this audio signal of output.Graphics processing unit 44 is suitable for processing the data relevant to the content-data of various screens or image or textual form.

Therefore,, in content playback apparatus 30, content playback data output unit 40 is realized by audio treatment unit 41, amplifier 42, loud speaker 43, graphics processing unit 44 and display 45.

Bus 33 is also connected to wave point 46 and external network interface 48.

Wave point 46 is corresponding to the wave point 26 of portable radio terminal 10, and serves as the interface that carrys out direct communication between content playback apparatus 30 and portable radio terminal 10 by the radio communication such as infrared communication, bluetooth (registered trade mark) communication or WiFi (Wireless Fidelity) communication.Wave point 46 serves as the remote control I/O unit of portable radio terminal 10.External network interface 48 is the interfaces for being connected with the external network such as internet 3.

Note, the form of the individual equipment that content playback apparatus 30 not necessarily will be configured to physically separate, but its funtion part can be arranged apart and be connected to each other by home network (LAN), to work as content playback apparatus 30 on the whole.

For example, in music playback system, system can comprise content server, is suitable for the content-data of memory of content data administrative institute's storage; Comprise the stereophonic reproduction equipment of loud speaker, be suitable for receiving content-data the content-data of resetting from content server; And remote controller, be suitable for receiving contents list order is sent to content server from content server, be provided to stereophonic reproduction equipment with the content-data of content that user is selected from contents list.

The difference of portable radio terminal and content playback apparatus

Difference between portable radio terminal 10 and content playback apparatus 30 is listed below.

(1a) memory capacity of the memory cell 16 of portable radio terminal 10 is quite little.On the contrary, the memory capacity of the memory cell 36 of content playback apparatus 30 is large.

(1b) amplifier 22 of portable radio terminal 10 and playback bandwidth and the playback volume of loud speaker 23 are limited, and the amplifier 42 of content playback apparatus 30 and the playback broader bandwidth of loud speaker 43, maximum possible playback volume is larger.

(1c) display 25 of portable radio terminal 10 is realized by poor small-size liquid crystal displays or the OLED display of demonstration information capability, and the display 45 of content playback apparatus 30 is realized by strong large scale liquid crystal display or the large scale TV machine display of demonstration information capability.

(1d) portable radio terminal 10 uses internet portable telephone 1 executive communication, is therefore difficult to receive at short notice or download the data of large data size.On the contrary, content playback apparatus 30 utilizes the high-speed wideband network executive communication such as optical-fiber network, therefore can receive at short notice or download the data of large data size.

Content-data is provided and receives the also process example of memory of content data

According to embodiments of the invention, the transmission of content-data is as follows.In the following description, mode by way of example, supposes to provide with compressed format for the content-data of terminal, provides with non-compressed format for the content-data of equipment.Send the request that sends content-data from portable radio terminal, send content-data to portable radio terminal, acquisition memory of content data are in portable radio terminal.

In the time that user is not in his/her family, it is as follows that user is allowed through the content-data that portable radio terminal 10 is bought content-data and playback obtains on portable radio terminal 10.First the operating unit 17 that, user operates portable radio terminal 10 visits content-data provides the website of the sales of the contents on server 100.As response, content purchase menu shows on the display 25 of portable radio terminal 10.

Then the operating unit 17 that, user operates portable radio terminal 10 comes type or the group of the interested content-data of designated user.For example, the in the situation that of music content, user can specify artist.Then, the request of the contents list to specified type or group is sent to content-data server 100 is provided.

In response to this request, content-data provides server 100 that the contents list of specified type or group is sent to portable radio terminal 10.Content-data provides the contents list that server 100 sends can only include text based information, or can also comprise relevant thumbnail.Thumbnail can be the big envelope of music content or a scene of movie contents.The in the situation that of rest image, its thumbnail can be included in contents list.

Provide the contents list that server 100 receives to show at the display 25 of portable radio terminal 10 from content-data.If user has selected the content that will buy and sent and buy order from contents list, the request that sends content-data is sent to content-data from portable radio terminal 10 provides server 100.

Content sends request the information that comprises the information of mark institute request content and the user of mark portable radio terminal 10 or portable radio terminal 10.

Content sends request and also comprises the authentication information being associated with the payment of bought content-data, the necessary information of reproducing device 30 that accesses content, and the information of the content playback ability of instruction portable radio terminal 10.User be registered members thereby above-mentioned information in the situation that content-data provides in server 100 registration, do not need to send this information together with asking.

In the case of by from user's bank account transfers accounts to pay, the authentication information being associated with the payment of bought content-data for example comprises: Bank Name, name on account and password.

The necessary information of reproducing device 30 that accesses content for example comprises IP (Internet Protocol) address and the port numbers of content playback apparatus 30, and if if required, comprise the further information such as password or position (file path) of content-data.

If content-data provides the management server 110 of server 100 to receive content and sends request, management server 110 authenticates portable radio terminal or its user, then carries out charging process.

If user is registered members, be registered if therefore buy the information of the content playback ability of the necessary authentication information of payment of content, the necessary information of reproducing device 30 that accesses content and instruction portable radio terminal 10, need in the time of each transmission content-data, do not input this information.

After charging process completes, content-data provides the content-data of the management server 110 of server 100 receives institute's request content compression from first content data server 121 and sends it to portable radio terminal 10.

More specifically, for example, in the time that institute's request content is music content, be sent out with the music content data of MP3 (the 3rd layer of MPEG-1 audio frequency) form, ATRAC (adaptive transformation encoded acoustic) 3+ form or the compression of any other appropriate format.

In the situation that institute's request content is movie contents, be sent out with the view data of the compressions such as mpeg format.In the time that institute's request content is rest image content, be sent out with the view data of the compressions such as JPEG (joint photographic experts group) form.

If portable radio terminal 10 receives the content-data of compression, portable radio terminal 10 in memory cell 16 storing received to content-data and on display 25 display message notice user content data receive.

Allow user to give an order immediately to use corresponding compressed content data playback content.

Fig. 5 illustrates that portable radio terminal 10 and content-data during aforesaid operations provide the concrete example of the process that server 100 carries out.

In step 51, access content data providing server 100 displaying contents of portable radio terminal 10 bought menu.Then,, in step 52, portable radio terminal 10 request content data providing servers 100 provide contents list.In step 131, content-data provides server 100 that asked contents list is sent to portable radio terminal 10.

In step 53, portable radio terminal 10 shows the contents list receiving.Then,, in step 54, portable radio terminal 10 request content data providing servers 100 send the content-data of the content of user's appointment.In step 132, content-data provides server 100 to authenticate portable radio terminal or its user.In step 133, content-data provides server 100 to carry out charging process.In step 134, content-data provides server 100 that the compressed content data of specified content are sent to portable radio terminal 10.

In step 55, portable radio terminal 10 receives the content-data of compression and the compressed content data that receive is stored in memory cell 16.In step 56, the operation of carrying out in response to user, portable radio terminal 10 uses the content-data of compression this content of resetting.

The additive method of memory of content data in portable radio terminal

Also allow to be stored in the data transmission in content playback apparatus 30 or to copy portable radio terminal 10 to.

More specifically, for example, the content-data such as music content data being stored on the encapsulation medium such as CD can be input to content playback apparatus 30 and be stored in the recording medium such as hard disk as memory cell 36.The content-data being stored in memory cell 36 can be sent to portable radio terminal 10 and be stored in memory cell 16 from content playback apparatus 30.

In this case, as the situation of PCM music data, be non-compressed format if be stored in content-data in encapsulation medium, the content-data of non-compressed format can directly be stored in the memory cell 36 of content playback apparatus 30.In the time that this content-data is sent to portable radio terminal 10, content-data can be stored in the memory cell 16 of portable radio terminal 10 by content-data compressed and compression.Or in the time that content-data is imported into content playback apparatus 30, content-data can be compressed and be stored in memory cell 36, and the content-data of compression can be sent to portable radio terminal 10 and be stored in its memory cell 16.

Same is non-compressed format at the content-data that provides server 100 to send to content playback apparatus 30 from content-data, and content-data can incompressible form be stored in the memory cell 36 of content playback apparatus 30.In the time that this content-data is sent to portable radio terminal 10, content-data can be stored in the memory cell 16 of portable radio terminal 10 by content-data compressed and compression.Or in the time that the content-data of non-compressed format is received by content playback apparatus 30, the content-data receiving can be compressed and be stored in memory cell 36.The content-data of this compression can be sent to portable radio terminal 10 and be stored in its memory cell 16.

Compressed format at the content-data that provides server 100 to send to content playback apparatus 30 from content-data, the content-data of compressed format can directly be stored in the memory cell 36 of content playback apparatus 30, and can be sent to portable radio terminal 10 and be stored in its memory cell 16.

The reproducing device that accesses content, for content playback apparatus provides content-data, obtain and memory of content data in content playback apparatus

Provide after the compressed content data of given content send to portable radio terminal 10 by server 100 at content-data, content-data provides server 100 to send request according to content registered in advance or that receive from portable radio terminal 10 visit information comprising and visits content playback apparatus 30, and sends and inquire that can content playback apparatus 30 receive the inquiry command of incompressible content-data to content playback apparatus 30.

When content playback apparatus 30 is during in off-position, content playback apparatus 30 can not receive inquiry command, thereby cannot make response to it.Therefore, if content-data provides server 100 for example, not receive any response from content playback apparatus 30 at predetermined amount of time (15 seconds), content-data provides server 100 to determine that content playback apparatus 30 can not receive the state of inquiry command in content playback apparatus 30.

Exist the memory cell 36 of content playback apparatus 30 not have enough idle storage space to store the possibility of the non-compressed content data that provide server 100 to send from content-data.In view of the above problems, inquiry command comprises that instruction is by the data of the data size of the non-compressed content data that are sent out.

Immediately content-data is sent to the process of content playback apparatus

In the time that content playback apparatus 30 is accessed, if if content playback apparatus 30 has enough idle storage space to store the non-compressed content data of content of interest in state and the memory cell 36 that can receive inquiry command, content playback apparatus 30 sends order to content data providing server 100 returned contents.

Then the non-compressed content data that content-data provides the management server 110 of server 100 to receive content of interest from second content data server 122 are sent to content playback apparatus 30 by the content-data receiving.More specifically, in the situation that content is music content, the PCM music data of music content is sent out.

If content playback apparatus 30 receives incompressible content-data, content playback apparatus 30 is stored in memory cell 36.

In this case, after the data of content playback apparatus 30 are sent completely, wish that content-data provides server 100 to send message informing to portable radio terminal 10 and is sent completely.Or, after the data storage to memory cell 36 completes, wish that content playback apparatus 30 sends the storage of message informing data to portable radio terminal 10 and completes.

If portable radio terminal 10 receives this message, portable radio terminal 10 shows a piece of news or output voice or vibrations with the storage of notice user data or the data of content playback apparatus 30 is sent and completed on display 25.

Except incompressible content-data, content-data provides server 100 also can send additional data to content playback apparatus 30, as the lining explanation (linernote) of big envelope image, the lyrics and/or music.

On the display 25 of portable radio terminal 10, show that this class additional information is very difficult.Even if shown this category information, also roll screen repeatedly.On the contrary, can on the display of the screen sizes of content playback apparatus 30 45, once show full detail.

In the time that content playback apparatus 30 is accessed, if content playback apparatus 30 can not receive the state of data in content playback apparatus 30, content-data provides server 100 to carry out processing procedure as described below according to following method (2a) to (2c).

(2a) in first method, the state that content-data provides server 100 to notify portable radio terminal 10 content playback apparatus 30 can not receive data in content playback apparatus 30, or do not receive response from content playback apparatus 30.

In this case, when user gets back to content playback apparatus 30 locations of his/her family and so on and user while opening content playback apparatus 30, if memory cell 36 has enough idle storage space to store the non-compressed content data of content,, in the time that content playback apparatus 30 accesses content data providing server 100, the content-data of non-compressed format provides server 100 to be sent to content playback apparatus 30 from content-data.

(2b) in the second approach, content-data provides server 100 for example to attempt, with predetermined time interval (per hour) reproducing device 30 that accesses content.If state and memory cell 36 that content-data provides server 100 to detect that content playback apparatus 30 can not receive content-data in it have enough idle storage space to store the content-data of non-compressed format, content-data provides server 100 that the content-data of non-compressed format is sent to content playback apparatus 30.

In this technique, can define the maximum access number of attempt that allows.Allow not enter its state that can receive content-data in access number of attempt executing method (2a) in maximum at content playback apparatus 30.

(2c) have in the situation of WOL (Wake On LAN, LAN wakes up) ability at content playback apparatus 30, can adopt the third method described below.Content-data provides server 100 to carry out remote control process content playback apparatus 30 is opened to content playback apparatus 30 and can receives the state of content-data.In the time that content playback apparatus 30 is unlocked, if memory cell 36 has enough idle storage space to store the content-data of non-compressed format, content-data provides server 100 that the content-data of non-compressed format is sent to content playback apparatus 30.

In the time that content playback apparatus 30 is unlocked, if memory cell 36 does not have enough idle storage space to store the content-data of non-compressed format, indicates this true message to be sent to content-data from content playback apparatus 30 server 100 is provided.In response to this message, content-data provides server 100 to notify portable radio terminal 10 according to method (2a) by this fact.

In this case, portable radio terminal 10 is notified user by display message on display 25 or by output voice/vibratory alarm by the above-mentioned fact.

In this case, in the time that user gets back to content playback apparatus 30 location of his/her family and so on, user takes action and in the memory cell 36 of storage content playback apparatus 30, creates enough idle storage space and store the non-compressed content data of content.Afterwards, the data providing server 100 if content playback apparatus 30 accesses content, the content-data of non-compressed format provides server 100 to be sent to content playback apparatus 30 from content-data.

Send the process of content-data to content playback apparatus 30

Fig. 6 explanation provides server 100 to be sent to content playback apparatus 30 at the content-data of compressed format from content-data by process shown in Fig. 5, the process example that provides server 100 to send to content playback apparatus 30 from content-data the content-data of non-compressed format that content-data provides server 100, content playback apparatus 30 and portable radio terminal 10 to carry out.

Provide server 100 in the step 134 of Fig. 5, the content-data of compressed format to be sent to after portable radio terminal 10 at content-data, content-data provides access content in step 141 reproducing device 30 inquiry command is sent to content playback apparatus 30 of server 100.

If state and memory cell 36 that content playback apparatus 30 can receive inquiry command in it have enough free spaces to store the content-data of non-compressed format,, in step 61, content playback apparatus 30 sends to content-data by the request that sends content-data server 100 is provided.

On the other hand, although the state memory cell 36 that can receive inquiry command in it at content playback apparatus 30 does not have enough idle storage space to store the content-data of non-compressed format, process advances to step 63.In step 63, content playback apparatus 30 returns to instruction memory cell 36 does not have the message of enough idle storage space.Can not receive the state of inquiry command in content playback apparatus 30 at content playback apparatus 30, not return to response from content playback apparatus 30.

In step 141, content-data provides server 100 reproducing device 30 that accesses content.Afterwards, content-data provides server 100 in step 142, to wait for predetermined time section.In step 143, make about the judgement that whether receives the response of arrival content playback apparatus 30.If received response, in step 144, making about this response is to send the request of content-data or this response is the further judgement that instruction does not have the message of enough idle storage space.

In the case of from the response of content playback apparatus 30 being the request of transmission content-data, content-data provides server 100 to make process advance to step 145 from step 144.In step 145, content-data provides server 100 that the content-data of non-compressed format is sent to content playback apparatus 30.Then,, in step 146, content-data provides server 100 to send message informing to portable radio terminal 10 content-data of content playback apparatus 30 is sent completely.

In this case, in the step 62 after step 61, content playback apparatus 30 content-data of the non-compressed format that provides server 100 to receive from content-data is provided memory cell 36.In step 57, portable radio terminal 10 display message instructions are sent completely the content-data of content playback apparatus 30.

On the other hand, do not have enough idle storage space in the response instruction from content playback apparatus 30, content-data provides server 100 to make process advance to step 147 from step 144.In step 147, content-data provides server 100 by above-mentioned true notice portable radio terminal 10.In step 57, portable radio terminal 10 shows the content of the message receiving.

In the situation that response is not returned from content playback apparatus 30, content-data provides server 100 to make process advance to step 148 from step 143.In step 148, content-data provides server 100 to carry out the process such as (2a), (2b) or (2c).In step 57, the result of the process in the step 148 that portable radio terminal 10 display message instruction content data providing servers 100 are notified.In step 64, content playback apparatus 30 is carried out the process of the result of the process in step 148 that depends on.

Exception content sends (Exceptional content transmission)

In the time that user sends content-data request by portable radio terminal 10, user may make an exception and specify and needn't send content-data to content playback apparatus 30.

This situation for example can betide content-data and receive by portable radio terminal 10 and by content playback apparatus 30 situation that rear user deletes the content-data of compressed format unintentionally from the memory cell 16 of portable radio terminal 10.

In this case, if user wants this content-data of resetting on portable radio terminal 10, user repeats said process provides server 100 to send the request of this content-data to portable radio terminal 10 to send from content-data.But, in this case, because the content-data of compressed format is still stayed in content playback apparatus 30, therefore needn't again receive content-data to content playback apparatus 30.

In view of the foregoing, buying content-data and send screen that content-data sends request for user of showing on the display 25 of portable radio terminal 10 can be configured to and allow that user not only can the two sends content-data and sends request to portable radio terminal 10 and content playback apparatus 30 with default mode, can also only send content-data to portable radio terminal 10 with exception pattern and send request.

Content-data provides the server 100 can record communication daily record, and when this exception of carrying out content-data with box lunch sends, the re-transmission expense of content-data decreases with respect to regular fee.

Content playback method

The operation of the replay operations of portable radio terminal and the reproducing device that accesses content

In foregoing playback system, in the time that user is positioned at the location of content playback apparatus 30 of his/her family and so on, user's content-data that is allowed to reset is as follows.

User is ground point operation portable radio terminal 10 near content playback apparatus 30, and to show the header list that has obtained and be stored in the content-data in memory cell 16 on display 25, then user selects the content that will reset from list.

If user sends the order of the selected content of resetting, portable radio terminal 10 visits content playback apparatus 30 according to the type of the wave point 46 of the wave point 26 of portable radio terminal 10 and content playback apparatus 30 by one of following method.

In first method, the wave point 26 of portable radio terminal 10 and the wave point 46 of content playback apparatus 30 comprise infrared light emission/sensing unit, thereby carry out radio communication.

In the method, if the playback button on portable radio terminal 10 is pressed, simultaneously portable radio terminal is remained on the similar mode of Infrared remote controller to the position of the infrared light emission unit of portable radio terminal 10 (wave point 26) being aimed to the infrared light sensing unit (wave point 46) of content playback apparatus 30, the reproduction command that comprises the information of the selected content of identifying user is sent out from the infrared light emission part of portable radio terminal 10 with the form of infrared signal, and is received by the infrared light sensing unit of content playback apparatus 30.

In the second approach, the wave point 26 of portable radio terminal 10 and the wave point 46 of content playback apparatus 30 configure based on bluetooth (registered trade mark) or WiFi wireless communication technology.

In this technology, near portable radio terminal 10 is positioned at content playback apparatus 30 time, if the electric power starting of portable radio terminal 10, portable radio terminal 10 and content playback apparatus 30 are attempted being connected to each other by their wave point 26 and 46.Between portable radio terminal 10 and content playback apparatus 30, having set up WLAN connects or PtoP (peer to peer, equity) connect after, if the playback button on portable radio terminal 10 is pressed, comprise that the reproduction command of the information of the selected content of identifying user is sent to content playback apparatus 30 by wave point 26 and 46 from portable radio terminal 10.

If content playback apparatus 30 receives by the above-mentioned first or second method the reproduction command sending from portable radio terminal 10, content playback apparatus 30 determines whether the content-data of being specified by this reproduction command is stored in memory cell 36.

Playback procedure in the situation that content-data is stored in content playback apparatus

If the content-data of specifying is stored in memory cell 36, content playback apparatus 30 sends this true message of instruction to portable radio terminal 10.As response, portable radio terminal 10 stops at the content of resetting on portable radio terminal 10, and starts to utilize the content-data of storage in memory cell 36 content of resetting.

Therefore, high quality sound and/or image are exported from amplifier 42, loud speaker 43 and/or the display 45 of content playback apparatus 30.

The memory cell 36 that is stored in content playback apparatus 30 at many content-datas of given content, utilize the content-data of the first water content of resetting.

For example, be stored in memory cell 36 at (be sent to as mentioned above portable radio terminal 10) content-data of non-compressed format and the content-data of compressed format, utilize the content-data of the non-compressed format content of resetting.

Many the content-datas in the content with different bit rates are stored in the memory cell 36 of content playback apparatus 30, utilize the content of resetting of the content-data with maximum bit rate.

For example, unpacked data or Lossless Compression data at the music content obtaining from the 64-kbps packed data of CD-DA (CD digital audio), DSD (Direct Digital stream) quality data of form, the 128-kbps packed data of MP3 format and ATRAC3plus (registered trade mark) form that sends from portable radio terminal 10 are stored in memory cell 36, utilize the data of the DSD form music content of resetting.

For example, be stored in around signal data the memory cell 36 of content playback apparatus 30 in the 2 channel stereo signal data for music content interested and multichannel (5.1 sound channels), the multichannel surround sound that utilizes multichannel surround sound signal data to carry out music content is reset.

The metadata being associated with content at big envelope view data, lyrics data etc. of music content and so on is also stored in the memory cell 36 of content playback apparatus 30, content playback apparatus 30 this metadata of also resetting.

More specifically, be that music and the metadata that is associated with content are big envelope view data or lyrics data in content, in the time of playback music, the big envelope image or the lyrics that are associated are presented on display 45.

Playback procedure in the situation that content-data is not stored in content playback apparatus

In the case of the content-data of content is not stored in the memory cell 36 of content playback apparatus 30, carry out one of process below.In the first process, content playback apparatus 30 utilizes wave point 46 and 26 to send the order of playback content to portable radio terminal 10 by radio communication, and in response to this order, portable radio terminal 10 utilizes in memory cell 16 content-data of the storage content of resetting.

From User Perspective, if the order that user has been selected content and sent the selected content of resetting by operation portable radio terminal 10, selected content is reproduced on portable radio terminal 10, as the situation of normal running.

Below with reference to the flow chart shown in Fig. 7, the first process that portable radio terminal 10 and content playback apparatus 30 are carried out is described in further detail.

In step 161, between portable radio terminal 10 and content playback apparatus 30, to set up with 46 by wave point 26 under the state being connected, portable radio terminal 10 sends the reproduction command of the information that comprises the selected content of identifying user to content playback apparatus 30.

In step 171, content playback apparatus 30 receives reproduction command.In step 172, content playback apparatus 30 determines whether the content-data of the specified content of this reproduction command is stored in memory cell 36.

If the content-data of specified content is stored in memory cell 36, process advances to step 173 from step 172.In step 173, content playback apparatus 30 sends the order of the playback that stops content to portable radio terminal 10.In step 174, content playback apparatus 30 utilizes in memory cell 36 content-data of the storage content of resetting.In step 163, portable radio terminal 10 stops the playback of content.

On the other hand, in the case of the content-data of this content is not stored in memory cell 36, process advances to step 175 from step 172.In step 175, content playback apparatus 30 sends the order of this content of resetting to portable radio terminal 10.In step 165, the content-data that portable radio terminal 10 utilizes memory cell 36 to store this content of resetting.

Note, step 163 and one of 165 depends on by portable radio terminal 10 whether the content-data of content is stored in content playback apparatus 30 to be carried out.

The second process is described now.In the second process, in the time that the content-data of content is not stored in the memory cell 36 of content playback apparatus 30, content playback apparatus 30 utilizes wireless interface 46 and 26 to send the playback that stops content and the order that sends the content-data of content by radio communication to portable radio terminal 10.As response, portable radio terminal 10 stops the playback of content and utilizes wave point 26 and 46 to send to content playback apparatus 30 by radio communication the packed data of the content that is stored in memory cell 16.Content playback apparatus 30 utilizes the content-data the receiving content of resetting.

In this case, in content playback apparatus 30, then first the content-data receiving from portable radio terminal 10 be stored in memory cell 36 this content in the time of content data from memory cell 36 and be reproduced, or by directly using the content-data providing from portable radio terminal 10 reset content and content-data be not stored in memory cell 36.

That the content-data that does not allow to provide from portable radio terminal 10 in copyright remaining in memory cell 36 after playback completes, after having reset, from memory cell 36, delete content-data.

Below with reference to the flow chart shown in Fig. 8, the second process that portable radio terminal 10 and content playback apparatus 30 are carried out is described in further detail.

In step 161, between portable radio terminal 10 and content playback apparatus 30, to set up with 46 by wave point 26 under the state being connected, portable radio terminal 10 sends the reproduction command of the information that comprises the selected content of identifying user to content playback apparatus 30.In step 171, content playback apparatus 30 receives reproduction command.In step 172, content playback apparatus 30 determines as in the first process of describing above with reference to Fig. 7 whether the content-data of the specified content of reproduction command is stored in memory cell 36.

If the content-data of specified content is stored in memory cell 36, process advances to step 173 from step 172.In step 173, content playback apparatus 30 sends to portable radio terminal 10 order that stops content playback.In step 174, content playback apparatus 30 utilizes in memory cell 36 content-data of the storage content of resetting.In step 163, portable radio terminal 10 stops the content of resetting as in the first process of describing above with reference to Fig. 7.

On the other hand, in the case of the content-data of content is not stored in memory cell 36, process advances to step 176 from step 172.In step 176, content playback apparatus 30 sends to portable radio terminal 10 content send the order of the content-data of this content of stopping resetting.In step 166, portable radio terminal 10 stop resetting content the content-data of content is sent to content playback apparatus 30.In step 177, content playback apparatus 30 content-data that storing received arrives in memory cell 36.In step 168, content playback apparatus 30 utilizes the content-data playback content of storage in memory cell 36.

Note, step 163 and one of 166 depends on by portable radio terminal 10 whether the content-data of content is stored in content playback apparatus 30 to be carried out.

The second process can comprise following additional process.In the second process, in the time that content playback apparatus 30 utilizes the content-data receiving from portable radio terminal 10 to reset content, wish to carry out additional process to adjust reproducing characteristics according to playback environment.

More specifically, in some cases, when reset music content on portable radio terminal 10 time, content-data is the characteristic with compensation small size loud speaker or earphone by equilibrium.But, when content-data is while sending to content playback apparatus 30 from portable radio terminal 10, transmission be not balanced data but initial data.Can directly the reset content-data that receives or can carry out such as balanced and/or add processing echoing and then utilize the music content data of the processing content of resetting in the music content data that receive from portable radio terminal 10 of content playback apparatus 30.

The in the situation that of playback music content, if the music content data of the compressed format providing from portable radio terminal 10 are directly used in the music of resetting of the content playback apparatus 30 with high-performance loud speaker 43, the high fdrequency component of the music data of compression disappearance will cause very poor sound quality.In order to alleviate the problems referred to above, the high fdrequency component of the music content data that content playback apparatus 30 can be processed the compression receiving from portable radio terminal 10 during with compensation compression process lost and can be utilized the data of the processing music of resetting.

Playback procedure in the situation that obtaining content-data by portable radio terminal

Buy by portable radio terminal 10 in a manner described user in the acquired situation of content-data of content thereby this content, for example, in the time that user gets back to content playback apparatus 30 locations (user family), user is allowed to the content of resetting on content playback apparatus 30.

User is near content playback apparatus 30, ground point operation portable radio terminal 10 to show below the header list of content on display 25, and the content-data of described content is stored in memory cell 16.User's chosen content send the order of selected content of resetting from list.Note, the still indoor execution of no matter resetting out of doors, chosen content is all similar with the operation of sending reproduction command.

The operation of carrying out in response to user, one of the following method of the type of portable radio terminal 10 by depending on the wave point 26 of portable radio terminal 10 and the wave point 46 of content playback apparatus 30 visits content playback apparatus 30.

In the method, if the playback button on portable radio terminal 10 is pressed, simultaneously in the position portable radio terminal is kept the infrared light emission unit of portable radio terminal 10 (wave point 26) to aim at the similar mode of Infrared remote controller the infrared light sensing unit (wave point 46) of content playback apparatus 30, the reproduction command that comprises the information of the selected content of identifying user is sent out from the infrared light emission part of portable radio terminal 10 with the form of infrared signal, and is received by the infrared light sensing unit of content playback apparatus 30.

In this technology, near portable radio terminal 10 is positioned at content playback apparatus 30 time, if the electric power starting of portable radio terminal 10, portable radio terminal 10 and content playback apparatus 30 are attempted being connected to each other by their wave point 26 and 46.Set up WLAN connection or PtoP (equity) connection between portable radio terminal 10 and content playback apparatus 30 after, if the playback button on portable radio terminal 10 is pressed, comprise that the reproduction command of the information of the selected content of identifying user is sent to content playback apparatus 30 by wave point 26 and 46 from portable radio terminal 10.

If content playback apparatus 30 receives by the above-mentioned first or second method the reproduction command sending from portable radio terminal 10, content playback apparatus 30 determines whether the content-data of the non-compressed format of given content is stored in memory cell 36.

If the content-data of the non-compressed format of this content receives and is stored in memory cell 36 by content playback apparatus 30, content playback apparatus 30 sends and indicates this true message to and guide portable radio terminal 10 to stop the content playback operation of the content-data that utilizes compression to portable radio terminal 10.Then content playback apparatus 30 utilizes the incompressible content-data content of resetting.

So in this case, content is with high quality playback.

On the other hand, in the case of the non-compressed content data of content not yet by content playback apparatus 30 receive be not stored in memory cell 36 yet in, content playback apparatus 30 sends the order that the compressed content data of content is sent to content playback apparatus 30 to portable radio terminal 10.

In response to this order, portable radio terminal 10 sends to content playback apparatus 30 by wave point 26 and 46 by the compressed content data of content.Content playback apparatus 30 receives the content-data of compression and is stored in memory cell 36.Then content playback apparatus 30 utilizes the content-data playback content of compression.

In addition, content playback apparatus 30 determines whether memory cell 36 has enough idle storage space to store the content-data of the non-compressed format of content.If so, content playback apparatus 30 sends the non-compressed content data of content by access content data providing server 100 request content data providing server 100 of external network interface 48.

Content-data provides server 100 to determine that whether this request is effective.If so, content-data provides server 100 to send the incompressible content-data of content to content playback apparatus 30.If content playback apparatus 30 receives incompressible content-data, content playback apparatus 30 is stored in memory cell 36.

Content playback apparatus 30 notifies the incompressible content-data of portable radio terminal 10 to be stored.Portable radio terminal 10 is notified user by display message on display 25 or by output voice/vibratory alarm by the above-mentioned fact.

Receiving instruction user has on current content playback apparatus 30 after the notice that incompressible content-data can use, if user wants to be switched to incompressible content-data to appreciate high-quality content playback, user operates portable radio terminal 10 reproduction command is sent to content playback apparatus 30 from portable radio terminal 10.

If content playback apparatus 30 receives this reproduction command, content playback apparatus 30 is switched to incompressible content-data and utilizes incompressible content-data to continue replay operations from the content-data of compression.

The transmission of the compressed content request of data from content playback apparatus 30 to portable radio terminal 10 and provide the transmission of the non-compressed content request of data of server 100 not necessarily to need simultaneously to carry out from content playback apparatus 30 to content-data, can first obtain compressed content data from portable radio terminal 10, then non-compressed content request of data be sent to content-data server 100 is provided.

In any case once store non-compressed content data in memory cell 36, the portable radio terminal 10 that just can be only serves as remote controller by operation utilizes the high-quality non-compressed content data content of resetting.

Below with reference to Fig. 9 to 11, portable radio terminal 10, content playback apparatus 30 and content-data are described in further detail the process of carrying out in the content playback operation that server 100 carries out is provided.

In step 71, between portable radio terminal 10 and content playback apparatus 30, to set up with 46 by wave point 26 under the state being connected, portable radio terminal 10 sends the reproduction command of the information that comprises the selected content of identifying user to content playback apparatus 30.

In step 81, content playback apparatus 30 receives this reproduction command.Then,, in step 82, content playback apparatus 30 determines whether the incompressible content-data of the specified content of this reproduction command is stored in memory cell 36.

If the incompressible content-data of the specified content of reproduction command is stored in memory cell 36, process advances to step 83 from step 82.In step 83, content playback apparatus 30 instructs portable radio terminal 10 to stop the content playback operation of the content-data that utilizes compression.In step 84, content playback apparatus 30 utilizes incompressible content-data playback content.Break after order receiving, portable radio terminal 10 stops the replay operations of content-data and enters holding state by closing main power source.

On the other hand, in the case of during the non-compressed content data of content are not stored in memory cell 36, process advances to step 85 from step 82.In step 85, content playback apparatus 30 asks portable radio terminal 10 to send the compressed content data of content.In step 72, portable radio terminal 10 sends the compressed content data of asked content to content playback apparatus 30.In step 86, content playback apparatus 30 receives the content-data of compression and the compressed content data that receive is stored in memory cell 36.Then,, in step 87, content playback apparatus 30 starts to utilize the compressed content data content of resetting.

In step 88, content playback apparatus 30 request content data providing servers 100 send the non-compressed content data of content of interest.In step 151, content-data provides server 100 to confirm that this request is effective.In step 152, content-data provides server 100 to send the non-compressed content data of content of interest to content playback apparatus 30.In step 89, content playback apparatus 30 receives non-compressed content data and the non-compressed content data that receive is stored in memory cell 36.

Then,, in step 91, the storage that content playback apparatus 30 sends the non-compressed content data of message informing to portable radio terminal 10 completes.In step 73, portable radio terminal 10 shows the content that receives message.

If user sends the order that utilizes non-compressed content data playback content by portable radio terminal 10,, in step 74, portable radio terminal 10 sends reproduction command to content playback apparatus 30.In step 92, content playback apparatus 30 stops utilizing the content playback of compressed content data, and in step 93, content playback apparatus 30 starts to utilize the non-compressed content data content of resetting.

In the above-mentioned example with reference to figure 9 to 11, in the time that the non-compressed content data of content are not stored in memory cell 36, content playback apparatus 30 receives the compressed content data of content and utilizes the compressed content data playback content receiving from portable radio terminal 10.Or, when the non-compressed content data of content are not stored in memory cell 36, content playback apparatus 30 can instruct portable radio terminal 10 these contents of playback, then, in the step 88 of above-mentioned example, content playback apparatus 30 can request content data providing server 100 sends the non-compressed content data of content, in addition, in step 89 in described example, content playback apparatus 30 can storing received to the non-compressed content data of content then instruct portable radio terminal 10 to stop the content of resetting, last content playback apparatus 30 utilizes the non-compressed content data of the storage content of resetting.

For more examples of the content-data of portable radio terminal and content playback apparatus

In above-mentioned example, provide with compressed format for the content-data of portable radio terminal, provide with non-compressed format for the content-data of content playback apparatus.As an alternative, content-data can be following various multi-form.

There is the content-data of different compression ratios

In the situation that content-data is music content data, can be with the form that relatively high compression ratio is compressed for the content-data of portable radio terminal, can be the form with relatively low compression ratio compression for the content-data of content playback apparatus.

Same in the situation that content is picture material, can be with the form that relatively high compression ratio is compressed for the content-data of portable radio terminal, can be the form with relatively low compression ratio compression for the content-data of content playback apparatus.

For the content-data of the difference data form of content playback apparatus

In the situation that content-data is music content data, can be compressed format for the content-data of portable radio terminal, can be to represent non-compression (PCM) content-data and the data for difference between the compressed content data of portable radio terminal for the content-data of content playback apparatus.

It is same in the situation that content is picture material, can be compressed format for the content-data of portable radio terminal, can be to represent non-compressed content data and the data for difference between the compressed content data of portable radio terminal for the content-data of content playback apparatus.

In the time using the content-data of difference data form, can not be by the difference data content of resetting.Therefore, the such playback content of content playback apparatus 30: the compressed content data that provide from portable radio terminal 10 are added to from content-data and provided difference content-data that server 100 provides to obtain incompressible content-data, then utilize the non-compressed content data that the produce content of resetting.

Homophonic music content-data

In the situation that content-data is music content data, can be for example 2 channel stereo music datas for the content-data of portable radio terminal, can be for example that multichannel (5.1 sound channel) is around music data for the content-data of content playback apparatus.Can be compressed format for the multichannel surround sound music data of content playback apparatus.

More examples

The in the situation that of picture material data, can be low resolution image data for the content-data of portable radio terminal, can be high resolution image data for the content-data of content playback apparatus.

Can be to delete by part the small-sized image data that the pixel of raw image data produces for the content-data of portable radio terminal, can be large-sized raw image data for the content-data of content playback apparatus.

Can be color or gray scale number is relatively less or contrast is relatively low low-quality image data for the content-data of portable radio terminal, can be the relatively many or relatively high high quality graphic data of contrast of color or gray scale number for the content-data of content playback apparatus.

In this case, can be compressed format for content-data of portable radio terminal and content playback apparatus one or both of.

More examples of content playback method

In the example of foregoing playback method, in the time sending reproduction command from portable radio terminal 10 to content playback apparatus 30, for example, if the content-data (incompressible content-data) for the content of content playback apparatus is not stored in the memory cell 36 of content playback apparatus 30, content playback apparatus 30 (for example content-data of the compression) content of resetting of the content-data for portable radio terminal that provides from portable radio terminal 10 can be provided and not request content data providing server 100 content-data for content playback apparatus is provided.

In this case, content playback apparatus 30 can be processed the content-data for portable radio terminal providing from portable radio terminal 10 to improve its quality of data, then the content-data of generation is stored in memory cell 36.

For example, the in the situation that of music content data, in the time for the content-data of portable radio terminal being the music data of compression and being incompressible music data for the content-data of content playback apparatus, the music data of compression has the frequency bandwidth lower than incompressible music data.Therefore, content playback apparatus 30 can compensate according to compression algorithm the loss high fdrequency component of compressed music data, to obtain more high-quality and the more music data of high bit resolution.

The in the situation that of dynamic image content data, when for the content-data of portable radio terminal being the motion image data of low resolution and while being high-resolution motion image data for the content-data of content playback apparatus, content playback apparatus 30 can be processed low resolution moving image for portable radio terminal to obtain more high-resolution motion image data for content playback apparatus 30.

The improvement of the content-data quality aspect that portable radio terminal uses that what content playback apparatus 30 was carried out be suitable at first makes amplifier 42 by content playback apparatus 30 of quality that the quality that can obtain while resetting content with the content-data for portable radio terminal with Billy on portable radio terminal 10 is higher and loud speaker 43 or display 45 content of resetting become possibility.

Claims

1. a content-data supplying method, comprises the following steps:

If content-data provides server to receive the request that content is provided from portable radio terminal, the content-data for the form of described portable radio terminal that is suitable for of described requested content is provided to described portable radio terminal,

Described content-data provides server to send inquiry command to the content playback apparatus being associated with described portable radio terminal, inquires whether described content playback apparatus has enough idle storage space, and

If content-data provides server to receive the request that content is provided from described content playback apparatus, the content-data for the form of described content playback apparatus that is suitable for of described requested content is provided to described content playback apparatus, or

If content-data provides server not receive response from described content playback apparatus, carry out the process for the content-data of the form of described content playback apparatus that is suitable for of attempting to provide described requested content.

2. content-data supplying method according to claim 1, is wherein compressed format for the content-data of described portable radio terminal, is non-compressed format for the content-data of described content playback apparatus.

3. content-data supplying method according to claim 1, being wherein compressed format for the content-data of described portable radio terminal, is the form of the compression ratio compression that compression ratio with the content-data than for described portable radio terminal is low for the content-data of described content playback apparatus.

4. content-data supplying method according to claim 1, being wherein compressed format for the content-data of described portable radio terminal, is to represent the content of non-compressed format and the data for the difference between the content-data of the compressed format of described portable radio terminal for the content-data of described content playback apparatus.

5. content-data supplying method according to claim 1, wherein relatively low for the content-data quality of described portable radio terminal and/or comprise a small amount of sound channel and/or data size little, for the content-data quality of described content playback apparatus relatively high and/or comprise a large amount of sound channels and/or data size large.