JP2008092511A - Mobile electronic apparatus, server, digest viewing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reproduce digest even in a mobile electronic apparatus having small processing capacity and to reduce traffic with other apparatuses. <P>SOLUTION: The cellular phone unit 1 generates video recording reservation information of content, transmits it to a server 2, and records content according to the video recording reservation information. The server 2 records content according to the received video recording reservation information, analyzes it, generates digest information showing time information of digest in content, and transmits it to the cellular phone unit 1. The cellular phone unit 1 reproduces digest according to the received digest information. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a portable electronic device, a server, and a digest viewing system that reproduce a content digest.

A portable electronic device capable of viewing a content digest is disclosed in Patent Document 1.
This portable electronic device discriminates the free space of a memory that can store information such as digest video, audio, and subtitles, and generates a digest video having a data size corresponding to the determined free space of the memory.

Furthermore, the portable electronic device disclosed in Patent Document 1 also has a function of receiving and playing back a digest generated by another device.
Japanese Patent Laid-Open No. 2005-020283

  Processing for generating a digest performed by the portable electronic device disclosed in Patent Document 1 has a high processing load. For this reason, the portable electronic device may have insufficient processing capability.

  The digest includes image information and audio information, and the amount of data is large. For this reason, when a digest is received from another device, the amount of communication increases.

  Similar problems are common to various electronic devices having a digest viewing function.

  An object of the present invention is to enable a digest to be reproduced even with a portable electronic device having a relatively small capacity, and to reduce the amount of communication performed with other devices in order to reproduce the digest.

In order to solve the above problems, a portable electronic device according to the present invention includes:
Receiving means for receiving the broadcasted content;
Recording reservation information generating means for generating recording reservation information for reserving recording of content;
Recording means for recording the content received by the receiving means according to recording reservation information;
Digest information receiving means for receiving digest information for digest playback of content from an external device;
Reproduction means for performing digest reproduction of the content recorded by the recording means according to the digest information received by the reception means;
It is characterized by providing.

Moreover, in order to solve the said subject, the server in this invention is:
Receiving means for receiving content;
Digest information generating means for analyzing the content received by the receiving means and generating digest information including information for specifying a playback portion for digest playback of the content;
Transmitting means for transmitting the digest information to an electronic device having a function of receiving and reproducing the content;
It is characterized by providing.

  According to the present invention, the portable electronic device generates content recording reservation information and transmits it to the server, and the server records the content and generates digest information indicating the time information of the digest in the content to generate the portable information. A mechanism for transmitting to the electronic device and reproducing the digest according to the digest information can be realized in the portable electronic device.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
In the present embodiment, the cellular phone device 1 is applied as a portable electronic device. In the present embodiment, the cellular phone device 1 transmits the recording reservation information Rc of the content to the server 2, the server 2 generates the digest information D and sends it to the cellular phone device 1, and the cellular phone device 1 sends the digest. This is an example of reproduction.

  As shown in FIG. 1, a digest viewing system DS using a portable electronic device includes a cellular phone device 1, a server 2, a mobile communication network 3, and a signal transmission source 4.

  In the opened state, the cellular phone device 1 includes an antenna 13A, an operation unit 15, a display unit 16, and a speaker 18, as shown in FIG. The user views the digest using the video displayed on the display unit 16 and the sound output from the speaker 18.

  In addition, the mobile phone device 1 includes a control unit 11, a storage unit 12, a communication unit 13, an antenna 13A, a tuner 14, an antenna 14A, an operation unit 15, a display unit 16, a DAC (Digital (Digital)) as in the circuit configuration illustrated in FIG. Analog Converter) 17, speaker 18, and bus 19.

The control unit 11 includes a CPU (Central Processing Unit), and controls the overall operation of the mobile phone device 1 according to an operation program stored in the storage unit 12.
For example, the control unit 11 i) generation of recording reservation information based on the recording reservation of the content input by the user, ii) transmission of the recording reservation information to the server 2 iii) determination of content identity based on the content identification information Iv) Generation of synchronization information S, v) Digest reproduction based on synchronization information S, and the like.
Note that the control unit 11 performs a recording information generation unit 11A, a recording information registration unit 11B, a communication control unit 11C, a timer unit 11D, a recording unit 11E, and valid time information generation in order to process the functions specific to the present invention illustrated. Unit 11F, content determination unit 11G, synchronization information generation unit 11H, and playback unit 11I. Details of these components will be described later.

The storage unit 12 is composed of, for example, a flash memory and has a program area and a data area. The program area stores a program for realizing the processing shown in the flowchart of FIG.
In the data area, the content Cc recorded by the recording unit 11E is stored. Furthermore, in the data area, i) recording reservation list TBc holding recording reservation information Rc generated by the recording information generation unit 11A in a table format, ii) effective time information Ec generated by the effective time information generation unit 11F, iii) Digest information D received from the server 2, v) synchronization information S generated by the synchronization information generation unit 11H is stored.

The communication unit 13 modulates / demodulates audio signals and data. The communication unit 13 transmits and receives the modulated audio signal and data via the mobile communication network 3 and the Internet (not shown) through the antenna 13A.
The communication unit 13 is controlled by the communication control unit 11C, and i) transmits the recording reservation information Rc generated by the recording information generation unit 11A to the server 2, or ii) receives the digest information D transmitted from the server 2. .

  The tuner 14 receives and demodulates a digital terrestrial broadcast radio signal via the antenna 14 </ b> A and outputs the demodulated signal to the control unit 11.

The operation unit 15 includes various keys or buttons for the user to input instructions and data. The operation unit 15 may be a touch panel.
The user operates the operation unit 15 to make a reservation for recording the content, and instruct to start / end the digest viewing.

The display unit 16 includes an LCD (liquid crystal display), a driver circuit, and the like, and displays images, character information, various messages, and the like.
The DAC 17 converts the digital audio signal from the control unit 11 into an analog audio signal and outputs the analog audio signal to the speaker 18.
The speaker 18 emits an analog audio signal supplied from the DAC 17 and outputs a digest sound when the user views the digest.
The bus 19 transmits data among the control unit 11, the storage unit 12, the communication unit 13, the display unit 16, and the DAC 17.

  The server 2 includes a control unit 21, a storage unit 22, a communication unit 23, an antenna 23A, a tuner 24, an antenna 24A, and a bus 25 as in the circuit configuration illustrated in FIG. The server 2 may be an electronic device such as a television, an HDD recorder, or a set top box.

The control unit 21 is composed of a CPU, and controls the overall operation of the server 2 according to an operation program stored in the storage unit 22.
For example, the control unit 21 i) reception of recording reservation information of content, ii) generation of valid time information, iii) generation of digest information, iv) merge of digest information and valid time information, v) transmission of digest information, Etc. are executed.
In order to process functions specific to the present invention, the control unit 21 performs a communication control unit 21A, a reservation list registration unit 21B, a timer unit 21C, a recording unit 21D, an effective time information generation unit 21E, and a digest information generation unit 21F. . A detailed description of each component in the control unit 21 will be described later.

  The storage unit 22 is a large-capacity hard disk, and stores the content Cs recorded by the recording unit 21D and the digest information D generated by the digest information generation unit 21F. The storage unit 22 may be composed of a flash memory or the like.

The communication unit 23 receives the recording reservation information Rc transmitted from the mobile phone device 1 or transmits the digest information D to the mobile phone device 1 through the antenna 23A.
The tuner 24 receives and demodulates the terrestrial digital broadcast radio signal via the antenna 24 </ b> A and outputs the demodulated signal to the control unit 21.
The bus 25 transmits data among the control unit 21, the storage unit 22, the communication unit 23, and the tuner 24.

Next, an operation in which the portable electronic device 1 generates recording reservation information and transmits it to the server 2 will be described.
First, each component with which the control part 11 is provided is demonstrated in detail.

The recording information generation unit 11A generates recording reservation information Rc based on the recording reservation information of the content input from the operation unit 15.
The recording information registration unit 11B writes the recording reservation information Rc generated by the recording information generation unit 11A in the recording reservation list TBc in the storage unit 12. The recording reservation list TBc is a table including a plurality of recording reservation information Rc. The recording reservation information Rc includes i) channel information CN, ii) recording start time TRs, iii) recording end time TRf, and iv) content identification information Ic.
The channel information CN is identification information for designating the information transmission source 4 on which the content is broadcast. For example, it is 011 and 012 for digital terrestrial broadcasting, and URL information such as an IP address for Internet broadcasting.
The recording start time TRs is a time at which content recording starts.
The recording end time TRf is a time at which recording of content is stopped.
The content identification information Ic is an identifier for identifying content.

The communication control unit 11C controls the communication unit 13. The recording reservation information Rc generated by the recording information generation unit 11A is transmitted to the server 2 by controlling the communication unit 12.
The timer unit 11D measures an elapsed time from a certain time, and notifies when the elapsed time reaches a predetermined time. For example, an elapsed time from a recording start time TRs, which will be described later, and an elapsed time from a recording end time TRf are detected, and the detection result is delivered to the recording unit 11E.
When notified of the elapse of the recording start time TRs from the timer unit 11D, the recording unit 11E records the content received by the tuner 14 and starts storing in the storage unit 12. When the recording end time TRf elapses, the content recording is stopped.

The effective time information generation unit 11F generates effective time information Ec indicating the time of an area that can be normally reproduced in the content data Cc recorded by the recording unit 11E. The valid time information Ec includes i) content identification information Ic, ii) a plurality of valid playable time information TEc.
Similar to the content identification information included in the recording reservation information Rs and the digest information D, the content identification information Ic is an identifier for identifying the content.
The valid playable time information TEc includes a valid play start time TEcs, a valid play stop time TEcf, each of which indicates a start time and an end time of an area of the content Cc that can be normally played without being affected by data corruption or deterioration in reception status. It is.

  The content determination unit 11G collates the content identification information Is of the digest information D transmitted from the server 2 with the content identification information Ic of the valid time information Ec generated by the valid time information generation unit 11F. If they match, it is determined that the content Cs recorded by the server 2 and the content Cc recorded by the mobile phone device 1 are the same content.

  The synchronization information generating unit 11H collates the valid time information Ec generated by the valid time information generating unit 11F and ii) the digest information D received by the digest information receiving unit 11, and merges both data according to the collation result, Synchronization information S to be described later is generated.

  The reproduction unit 11I refers to the time indicated by the synchronization information S generated by the synchronization information generation unit 11H so as to reproduce the digest D of the content, and i) the synchronization information S is stored in the content Cc in the storage unit 12. Read out the data corresponding to the designated time, ii) output the image data signal included in the data in the corresponding part to the display unit 16 to output video, and iii) output the audio signal included in the data in the corresponding part The sound is output to the speaker 18 via the DAC 17.

Accordingly, the mobile phone device 1 generates the recording reservation information Rc based on the recording reservation input by the user, and transmits the recording reservation information Rc to the server 2. When the recording start time TRs is reached, the program received by the tuner is recorded, and the content Cc is stored in the storage unit 12.
When the recording of the content CT is completed after the recording end time TRf elapses, the valid time information Ec is generated, the synchronization information S is generated by collating with the digest information D transmitted from the server 2, and the content according to the synchronization information S Play the digest D.

Next, each component with which the control part 21 of the server 2 is provided is demonstrated in detail.
The communication control unit 21A controls the communication unit 23 to receive the recording reservation information Rc transmitted from the mobile phone device 1. The communication control unit 21 </ b> A controls the communication unit 23 to transmit the digest information D generated by the digest information generation unit 21 </ b> G to the mobile phone device 1.
The reservation list registration unit 21B writes the recording reservation information Rc received by the communication unit 22 in the recording reservation list TBs in the storage unit 22.
The timer unit 21C measures an elapsed time from a certain time, and notifies when the elapsed time reaches a predetermined time. The elapsed time from the recording start time TRs and the elapsed time from the recording end time TRf are detected, and the detection result is delivered to the content 11.
When the recording unit 21D is notified of the elapse of the recording start time TRs from the timer unit 21C, the recording unit 21D records the content received by the tuner 24 and starts storing the content Cs in the storage unit 22. When the recording end time TRf elapses, the content recording is stopped.
The valid time information generation unit 21E generates valid time information Es indicating time information that can be normally reproduced in the content Cs recorded by the recording unit 21D.

The digest information generation unit 21F analyzes audio / video / caption / meta information included in the content Cs, and generates digest information D from the analysis result and the valid time information Es generated by the valid time information generation unit 21E.
The digest information D is information for subdividing the entire content Cs into several pieces of content data, and includes i) content identification information Is and ii) a plurality of presentation information Ps.
The content identification information Is of the digest information D is the same information as the content identification information Ic of the recording reservation information Rc.
The presentation information P is instruction information for a presentation indicating that data of the content CT is reproduced during a period between the reproduction start time TPs and the reproduction end time TPf. The playback unit 11I of the mobile phone device 1 subdivides the entire content Cc into several time content using the presentation information Ps, and plays back the subdivided content.

  The digest information D generated by the server 2 has the same data structure as the synchronization information S generated by the mobile phone device 1. The synchronization information S is information indicating an area that can be normally reproduced in both the content Cc received by the communication unit 12 and the content Cs received by the communication unit 23. The synchronization information S is generated using valid time information Ec indicating an area in which data is damaged in the entire content Cc, or an area in which image quality is degraded and normal reproduction is difficult due to reasons such as deterioration in reception conditions. Is done.

  Accordingly, the server 2 stores the content Cs in the storage unit 22 based on the recording reservation information Rc received from the mobile phone device 1, analyzes the content Cs, generates digest information D, and transmits the digest information D to the mobile phone device 1. .

  Next, the operations of the mobile phone device 1 and the server 2 from when the user reserves the recording of the content until the user views the digest of the recorded content will be described with reference to the flowchart of FIG.

The feature of the operation of the cellular phone device 1 is that the recording reservation information Rc generated by the user is transmitted to the server 2, the digest information D generated by the server 2 is received, and the digest is reproduced.
The operation of the server 2 is characterized in that the content Cs is recorded in accordance with the recording reservation information Rs received from the mobile phone device 1, the digest information D is generated from the content Cs, and transmitted to the mobile phone device 1.

As shown in FIG. 5, the flowchart of the mobile phone device 1 is activated when the user operates the operation unit 15 and inputs a recording reservation for content.
When the user inputs a recording reservation, first, the recording information generating unit 11A generates recording reservation information Rc (step A1). The recording information registration unit 11B registers the recording reservation information Rc in the recording reservation list TBc (step A2).
The communication control unit 11C controls the communication unit 12 to transmit the recording reservation information Rc to the server 2 (step A3).
The timer unit 11D refers to the clock and determines whether or not the recording start time TRs has been reached (step A4). If it is not the recording start time TRs (NO in step A4), the recording unit 11E stands by for processing until the recording start time TRs is reached.
If it is the recording start time TRs (YES in step A4), the recording unit 11E starts recording the content received by the tuner 14 (step A5). In step A5, the time excluding the time when the image quality of the content CT is reduced is generated as the valid playable time information TEc, registered in the valid time information Ec, and the content identification information Ic for identifying the content is also stored in the content identification information Is. (Step A6). Thereafter, the content Cc and the valid time information Ec are stored in the storage unit 12 (step A7).
Thereafter, the recording unit 11E records the content until the recording end time Trs is reached. When the recording end time Trs elapses, the recording unit 11E stops recording, and the communication control unit 11C waits until the server 2 generates the digest information D and transmits it to the mobile phone device 1.

  When the digest information D is transmitted from the server 2, the communication unit 13 receives the digest information D (step A8), and the content determination unit 11G receives the content identification information Ic included in the recorded content Cc and the server 2 The content identification information Is of the received digest information D is checked to determine whether or not the content is the same. If the contents are different (NO in step A9), the control unit 11 ends the process and waits until the user makes the next recording reservation.

  If the contents are the same (YES in step A9), the synchronization information generation unit 11H generates the synchronization information S from the digest information D and the valid time information Ec. The reproduction unit 11I outputs the video signal of the content Cc to the display unit 16 and the audio signal of the content Cc to the DAC 17 according to the synchronization information S, and outputs the audio sound from the speaker 18 to reproduce the digest ( Step A11). When the digest reproduction is completed, the control unit 11 stands by until the user makes the next recording reservation.

On the other hand, the flowchart of the server 2 is activated when the server 2 receives the recording reservation information Rc transmitted by the mobile phone device 1.
In FIG. 5, when the processing of the flow of the server 2 is started, first, the communication control unit 21A controls the communication unit 23 to receive the recording reservation information Rc. The reservation list registration unit 21B registers the received recording reservation information Rc in the recording reservation list TBs (step B1).

The timer unit 11D refers to the clock and determines whether or not the recording start time TRs has been reached (step A4). If it is not the recording start time TRs (NO in step A4), the recording unit 11E stands by for processing until the recording start time TRs is reached.
If it is the recording start time TRs (YES in step B2), the recording unit 11E starts recording the content received by the tuner 24 and stores the content Cs in the storage unit 22 (step B3).
The time excluding the time when the image quality of the content Cs is reduced is generated as the valid playable time information TEs, registered in the valid time information Es, and the content identification information Ic of the recording reservation information Rs for identifying the content is the valid time. It is also stored in the content identification information Is of the information Es (step B4). Thereafter, the content Cs and the valid time information Es are stored in the storage unit 23 (step B5).

When the recording end time TRf elapses, the digest information generation unit 21F acquires audio, video, subtitles, and meta information included in the recorded content Cs, analyzes the characteristics of the content, and content Cs of the swelled portion of the content To extract.
The digest information generation unit 21F generates the presentation information P using the time when the climax starts as the reproduction start time TPs and the time TPf when the climax ends as the reproduction stop time. If there are a plurality of portions where the content is raised, a plurality of presentation information Ps is generated and registered in the digest information D. Further, the content identification information Ic is registered as the content identification information CTs of the digest information D (step B6).
Thereby, the digest information D for the content can be generated.

Next, the digest information D and the valid time information Es are collated, the valid playable time common to both is extracted, and then the extracted time information is registered again as the digest information D (step B7).
Then, the control part 21 controls the communication part 23, and transmits the digest information D registered again to the mobile telephone apparatus 1 (step B8). The control unit 21 waits for processing until the next recording reservation information Rc is transmitted from the mobile phone device 1.

  Accordingly, i) a function of recording the same content in both the mobile phone device 1 and the server 2, ii) a function of generating digest information D of the content Cs recorded by the server 2 and transmitting it to the mobile phone device 1, iii ) A function for determining whether the content is the same from the content identification information Is of the digest information D and the content identification information Ic of the valid time information Ec, and generating synchronization information S according to the determination result, iv) synchronization According to the information S, a function for reproducing the digest of the content is realized.

  Next, the operation of the cellular phone device 1 when generating the synchronization information S will be described with reference to the flowchart of FIG.

  In the flowchart when the mobile phone device 1 generates the synchronization information S, the content identification information Is included in the digest information D transmitted from the server 2 is the content identification information Ic of the content Cc stored in the storage unit 12. It is activated when it is determined that they are the same.

  When the process of the flow of FIG. 6 is started, first, the control unit 11 secures a memory area for storing the synchronization information S (step C1). Effective reproducible time information TEcs is acquired from the effective time information Ec (step C2). Next, the presentation information Ps is acquired from the digest information D (step C3), and the reproduction start time TPs is acquired from the presentation information Ps (step C4).

  If the reproduction start time TPs acquired from the server 2 is within the range of i) effective reproduction start time TEcs and ii) effective reproduction end time TEcf in the effective reproduction possible time information TEc of the cellular phone device 1 (in step C5) YES), the reproduction start time TPs acquired from the server 2 is registered as the reproduction start time TPcs of the presentation information Pc in the synchronization information S of the mobile phone device 1 (step C6), and the control unit 11 moves the process to step C7. .

If the reproduction start time TPs acquired from the server 2 is not within the range of the effective reproduction start time TEcs and the effective reproduction end time TEcf of the mobile phone device 1 (NO in step C5), the control unit 11 synchronizes as the next operation. In order to determine the reproduction end time of the information S, the reproduction end time TPf of the presentation information Ps in the digest information D received from the server 2 is acquired (step C7).
If the reproduction end time TPf of the server 2 is within the range of i) effective reproduction start time TEcs and ii) effective reproduction end time TEcf of the effective reproduction possible time information TEc of the mobile phone device 1 (YES in Step C8). The reproduction end time TPf of the server 2 is registered as the reproduction end time TPcf of the presentation information Pc in the synchronization information S of the mobile phone device 1 (step C9).
Thereafter, the control unit 11 registers the presentation information Pc in which the reproduction start time TPs and the reproduction end time TPf are determined in the synchronization information S (Step C10), and moves the process to Step C3.

If the reproduction end time TPf of the server 2 is not within the range of i) effective reproduction start time TEcs and ii) effective reproduction end time TEcf of the effective reproduction possible time information TEc of the cellular phone device 1 (NO in step C8), control is performed. The unit 11 moves the process to step C11.
Then, the control unit 11 determines whether or not the valid reproducible time has expired (step C11). If the valid reproducible time has expired (YES in step C11), the synchronization information S of the mobile phone device 1 is determined. As the reproduction end time TPf of the presentation information Pc, the reproduction end time TPf in the digest information D of the server 2 is registered (step C12). Thereafter, the control unit 11 adds the presentation information Pc to the synchronization information S (step C13), and moves the process to step C3.

If the valid playable time has not expired (NO in step C11), it is determined whether or not the presentation information Ps that has not yet been processed remains in the digest information D received from the server 2 (step C14).
Effective reproducible time information in which unprocessed presentation information Ps remains in the digest information D (NO in step C14) and is not yet processed in the effective time information Ec generated by the mobile phone device 1. If TEc remains (NO in step C15), the control unit 11 moves the process to step C2 and continues generating the synchronization information S.
In other cases, the control unit 11 ends the generation of the synchronization information S, and the generation process of the synchronization information S in the mobile phone device 1 is completed.

  Next, with reference to FIG. 7, an operation when the user reproduces the digest by the mobile phone device 1 will be described.

  In the flowchart for reproducing the digest on the mobile phone device 1, the content determination unit 11G determines that the content identification information Ic of the mobile phone device 1 and the content identification information Is of the digest information D of the server 2 are the same. It is started when the generation of the synchronization information S is completed.

When the processing of the flow of FIG. 7 is started, first, the control unit 11 reads the content Cc from the storage unit 12 (step D1). Next, the control unit 11 acquires the synchronization information S generated by the flowchart of FIG. 6 (step D2), and reads the reproduction start time TPcs of the presentation information Pc in the synchronization information S (steps D3 and D4).
Thereafter, the control unit 11 seeks the area of the content Cc corresponding to the reproduction start time TPcs (step D5), and transmits the image data signal of the content Cc to the display unit 16 from the area detected by the seek. To start. The display unit 16 converts the received image data signal and outputs it to the screen, thereby reproducing the digest image (step D6). The digest sound is reproduced when the control unit 11 outputs an audio output signal to the bus 19 and the speaker 18 emits an audio sound (step D7).

  The playback unit plays back the content Cc until the playback end time Tpcf of the presentation information Pc of the synchronization information S (step D8). When the playback stop time Tpcf has elapsed (YES in step D8), the presentation information Pc is acquired. Try (step D9). If there is presentation information Pc that has not been reproduced yet (NO in step D9), the control unit 11 moves the process to step D3, and in accordance with the next presentation information Pc in the synchronization information S, the content image and audio Continue playback. If there is no presentation information Pc that has not been reproduced (YES in step D9), the control unit 11 determines that the digest reproduction of the content has been completed and completes the reproduction process. Thus, the content is reproduced according to the synchronization information S.

The concept of the present invention is not limited to a mobile phone device. For example, a PDA (Personal Digital
Assistants), portable electronic devices such as an electronic camera, an electronic wristwatch, and a music player can be similarly applied.

It is the block diagram which showed the whole structure of the digest viewing-and-listening system using a mobile telephone apparatus and a server. It is the external view which looked at the mobile telephone apparatus of the open state from the front. 1 is a block diagram of an overall configuration of a digest viewing system illustrating physical components and logical means of a mobile phone device and a server. 3 is an image diagram showing a data structure stored in a data area in the storage unit of the mobile phone device and the server in Embodiments 1 and 2. FIG. 3 is a flowchart illustrating an operation of the mobile phone device according to the first exemplary embodiment. 5 is a flowchart illustrating an operation in which the mobile phone device generates synchronization information in the first and second embodiments. 6 is a flowchart illustrating an operation in which the mobile phone device reproduces content data in the first and second embodiments.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Mobile telephone apparatus, 11 ... Control part, 11A ... Recording information generation part, 11B ... Recording information registration part, 11C ... Communication control part, 11D ... Timer part, 11E. ..Recording unit, 11F ... effective time information generating unit, 11G ... content discriminating unit, 11H ... synchronizing information generating unit, 11I ... reproducing unit, 12 ... storage unit, 13 ... Communication part, 13A ... Antenna, 14 ... Tuner, 14A ... Antenna, 15 ... Operation part, 16 ... Display part, 17 ... DAC, 18 ... Speaker, 19 ... -Bus, 2 ... Server, 21 ... Control unit, 21A ... Communication control unit, 21B ... Reservation list registration unit, 21C ... Timer unit, 21D ... Recording unit, 21E ... Valid time information generation unit, 21F. Digest information generation unit, 22. Storage unit, 23 ... communication unit, 23A ... antenna, 24 ... tuner, 24A ... antenna, 25 ... bus, 3 ... mobile communication network, 4 ... information source

Claims (9)

Receiving means for receiving the broadcasted content;
Recording reservation information generating means for generating recording reservation information for reserving recording of content;
Recording means for recording the content received by the receiving means according to recording reservation information;
Digest information receiving means for receiving digest information for digest playback of content from an external device;
Reproduction means for performing digest reproduction of the content recorded by the recording means according to the digest information received by the digest information receiving means;
A portable electronic device comprising: The recording reservation information includes channel information, recording start time information, recording end time information, content identification information,
The digest information includes reproduction start timing information, reproduction stop timing information, content identification information,
A discriminating means for discriminating whether or not the content identification information of the digest information and the content identification information of the recording reservation information match;
The reproduction means reproduces a portion of the corresponding content specified by the reproduction start timing and the reproduction end timing when it is determined that the determination means match;
The portable electronic device according to claim 1. Effective time information generating means for detecting a portion that can be normally reproduced in the content recorded by the recording means and generating effective time information indicating a reproduction time of the portion that can be normally reproduced;
The reproduction means collates the valid time information generated by the valid time information generation means with the reproduction time of the part that is the reproduction target by the digest information, and generates synchronization information indicating a matching part, Play recorded content according to the information,
The portable electronic device according to claim 1, wherein the portable electronic device is a portable electronic device.   4. The mobile phone according to claim 1, wherein the receiving unit is configured by a device that receives content transmitted by one-segment, three-segment, or full-segment broadcasting in digital terrestrial broadcasting. Type electronic device. Receiving means for receiving content;
Digest information generating means for analyzing the content received by the receiving means and generating digest information including information for specifying a playback portion for digest playback of the content;
Transmitting means for transmitting the digest information to an electronic device having a function of receiving and reproducing the content;
A server comprising: Effective time information generating means for detecting a portion capable of normal reproduction of the content received by the receiving means and generating valid time information indicating a reproduction time of the portion capable of normal reproduction;
Means for merging the valid time information with the digest information;
The server according to claim 5, comprising: Recording reservation information receiving means for receiving recording reservation information of content from an external electronic device;
Recording means for recording content according to the recording reservation information received by the recording reservation information receiving means;
With
The digest information generating means analyzes the content recorded by the recording means to generate digest information,
The transmission means transmits corresponding digest information to the electronic device that has transmitted the recording reservation information.
The server according to claim 5 or 6, wherein   The server according to any one of claims 5 to 7, wherein the receiving unit is configured to receive a content transmitted by one-segment, three-segment, or full-segment information in terrestrial digital broadcasting. .   The portable electronic device according to any one of claims 1 to 4, the server according to any one of claims 5 to 8, and a wireless, wired, or media communication system. A digest viewing system characterized by this.

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