JP2016197771A5 - - Google Patents
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- JP2016197771A5 JP2016197771A5 JP2015075784A JP2015075784A JP2016197771A5 JP 2016197771 A5 JP2016197771 A5 JP 2016197771A5 JP 2015075784 A JP2015075784 A JP 2015075784A JP 2015075784 A JP2015075784 A JP 2015075784A JP 2016197771 A5 JP2016197771 A5 JP 2016197771A5
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Description
本発明に係るデジタル放送受信装置は、複数の放送局から送信される複数のデジタル放送信号を受信するデジタル放送受信装置であって、前記複数のデジタル放送信号の各々から、前記複数の放送局の各々が生成する時刻情報である放送局時刻情報を抽出する情報抽出部と、前記デジタル放送受信装置の時間軸における時刻である計時部現在時刻を生成する計時部と、前記複数の放送局の各々について、放送局特定情報と、前記放送局時刻情報と、前記放送局時刻情報が抽出された時点における前記計時部現在時刻である時刻情報取得時刻と、を含む時刻関連情報を取得する時刻関連情報取得部と、前記時刻関連情報取得部で取得された前記複数の放送局の各々についての前記時刻関連情報に基づいて前記複数の放送局の各々の時間軸で前記複数の放送局の各々の放送局現在時刻を算出し、前記複数の放送局の放送局現在時刻を互いに比較し、前記比較の結果に基づいて前記計時部現在時刻の更新直後の時刻である基準現在時刻を算出する基準現在時刻算出部と、を備え、前記計時部は、前記計時部現在時刻を前記基準現在時刻に更新することを特徴とする。 A digital broadcast receiving apparatus according to the present invention is a digital broadcast receiving apparatus that receives a plurality of digital broadcast signals transmitted from a plurality of broadcast stations, and from each of the plurality of digital broadcast signals, Each of the plurality of broadcast stations, an information extraction unit that extracts broadcast station time information that is time information generated by each, a clock unit that generates a current time unit that is a time on the time axis of the digital broadcast receiver, Time-related information for acquiring time-related information including broadcast station identification information, the broadcast station time information, and the time information acquisition time that is the current time of the timekeeping unit at the time when the broadcast station time information is extracted an acquisition unit, the at the time related information on the basis of each of the plurality of broadcast stations time base for each of the time-related information of the plurality of broadcast stations acquired by the acquisition unit Calculating a respective broadcast station current time in the number of broadcast stations, the comparing the plurality of broadcasting stations current time of the broadcast station to each other, a time immediately after update of the time count portion present time based on a result of the comparison reference A reference current time calculation unit that calculates a current time, wherein the time measurement unit updates the time measurement unit current time to the reference current time.
本発明に係るデジタル放送受信方法は、複数の放送局から送信される複数のデジタル放送信号を受信するデジタル放送受信装置におけるデジタル放送受信方法であって、前記複数のデジタル放送信号の各々から、前記複数の放送局の各々が生成する時刻情報である放送局時刻情報を抽出する情報抽出ステップと、前記デジタル放送受信装置の時間軸における時刻である計時部現在時刻を生成する計時ステップと、前記複数の放送局の各々について、放送局特定情報と、前記放送局時刻情報と、前記放送局時刻情報が抽出された時点における前記計時部現在時刻である時刻情報取得時刻と、を含む時刻関連情報を取得する時刻関連情報取得ステップと、前記時刻関連情報取得ステップで取得された前記複数の放送局の各々についての前記時刻関連情報に基づいて前記複数の放送局の各々の時間軸で前記複数の放送局の各々の放送局現在時刻を算出し、前記複数の放送局の放送局現在時刻を互いに比較し、前記比較の結果に基づいて前記計時部現在時刻の更新直後の時刻である基準現在時刻を算出する基準現在時刻算出ステップと、を有し、前記計時ステップにおいて、前記計時部現在時刻を前記基準現在時刻に更新することを特徴とする。 A digital broadcast receiving method according to the present invention is a digital broadcast receiving method in a digital broadcast receiving apparatus that receives a plurality of digital broadcast signals transmitted from a plurality of broadcast stations, and each of the plurality of digital broadcast signals includes: An information extracting step for extracting broadcast station time information, which is time information generated by each of a plurality of broadcast stations, a time measuring step for generating a current time of a time measuring unit which is a time on the time axis of the digital broadcast receiving device, For each of the broadcast stations, time-related information including broadcast station identification information, the broadcast station time information, and the time information acquisition time that is the current time of the timekeeping unit at the time when the broadcast station time information is extracted. A time-related information acquisition step to be acquired; and the time-related information for each of the plurality of broadcast stations acquired in the time-related information acquisition step. Calculating a respective broadcast station current time of said plurality of broadcast stations in the time axis of each of the plurality of broadcast stations based on the information, compares with each other the station current time of said plurality of broadcast stations, the result of the comparison A reference current time calculating step for calculating a reference current time which is a time immediately after the update of the current time portion based on the time, and updating the current time portion to the reference current time in the time measurement step It is characterized by that.
Claims (12)
前記複数のデジタル放送信号の各々から、前記複数の放送局の各々が生成する時刻情報である放送局時刻情報を抽出する情報抽出部と、
前記デジタル放送受信装置の時間軸における時刻である計時部現在時刻を生成する計時部と、
前記複数の放送局の各々について、放送局特定情報と、前記放送局時刻情報と、前記放送局時刻情報が抽出された時点における前記計時部現在時刻である時刻情報取得時刻と、を含む時刻関連情報を取得する時刻関連情報取得部と、
前記時刻関連情報取得部で取得された前記複数の放送局の各々についての前記時刻関連情報に基づいて前記複数の放送局の各々の時間軸で前記複数の放送局の各々の放送局現在時刻を算出し、前記複数の放送局の放送局現在時刻を互いに比較し、前記比較の結果に基づいて前記計時部現在時刻の更新直後の時刻である基準現在時刻を算出する基準現在時刻算出部と、
を備え、
前記計時部は、前記計時部現在時刻を前記基準現在時刻に更新する
ことを特徴とするデジタル放送受信装置。 A digital broadcast receiver for receiving a plurality of digital broadcast signals transmitted from a plurality of broadcast stations,
An information extraction unit for extracting broadcast station time information, which is time information generated by each of the plurality of broadcast stations, from each of the plurality of digital broadcast signals;
A clock unit that generates a clock unit current time that is a time on the time axis of the digital broadcast receiver;
For each of the plurality of broadcast stations, time-related information including broadcast station identification information, the broadcast station time information, and time information acquisition time that is the current time of the timekeeping unit at the time when the broadcast station time information is extracted A time-related information acquisition unit for acquiring information;
Based on the time-related information for each of the plurality of broadcast stations acquired by the time-related information acquisition unit, the broadcast station current time of each of the plurality of broadcast stations on the time axis of each of the plurality of broadcast stations. A reference current time calculation unit that calculates and compares the broadcast station current times of the plurality of broadcast stations with each other, and calculates a reference current time that is a time immediately after the update of the timekeeping unit current time based on the comparison result ;
With
The timekeeping unit updates the timekeeping part current time to the reference current time.
時刻関連情報は、前記第１の記憶領域に記憶される
ことを特徴とする請求項１に記載のデジタル放送受信装置。 A first storage area;
The digital broadcast receiving apparatus according to claim 1, wherein the time-related information is stored in the first storage area.
前記基準現在時刻の算出履歴は、前記第２の記憶領域に記憶される
ことを特徴とする請求項１又は２に記載のデジタル放送受信装置。 A second storage area;
The digital broadcast receiving apparatus according to claim 1 or 2, wherein the calculation history of the reference current time is stored in the second storage area.
時刻関連情報は、前記第１の記憶領域に記憶され、
前記時刻関連情報取得部は、
前記計時部現在時刻と、前記情報抽出部が前記デジタル放送信号から抽出した前記放送局時刻情報が示す時刻との間の時刻差分を時間軸差分として、前記時刻関連情報に追加し、前記第１の記憶領域に記憶させ、
前記基準現在時刻算出部は、前記時刻関連情報取得部で取得された前記複数の放送局の各々についての前記時刻関連情報に基づいて、前記計時部現在時刻の更新直後の時刻である基準現在時刻を算出する
ことを特徴とする請求項１に記載のデジタル放送受信装置。 A first storage area;
The time related information is stored in the first storage area,
The time-related information acquisition unit
Adding a time difference between the time keeping unit current time and the time indicated by the broadcast station time information extracted from the digital broadcast signal by the information extraction unit to the time related information as a time axis difference; In the storage area,
The reference current time calculation unit is a reference current time that is a time immediately after the update of the timekeeping unit current time based on the time related information for each of the plurality of broadcast stations acquired by the time related information acquisition unit. The digital broadcast receiver according to claim 1, wherein the digital broadcast receiver is calculated.
前記複数のデジタル放送信号の各々から、前記複数の放送局の各々が生成する時刻情報である放送局時刻情報を抽出する情報抽出ステップと、
前記デジタル放送受信装置の時間軸における時刻である計時部現在時刻を生成する計時ステップと、
前記複数の放送局の各々について、放送局特定情報と、前記放送局時刻情報と、前記放送局時刻情報が抽出された時点における前記計時部現在時刻である時刻情報取得時刻と、を含む時刻関連情報を取得する時刻関連情報取得ステップと、
前記時刻関連情報取得ステップで取得された前記複数の放送局の各々についての前記時刻関連情報に基づいて前記複数の放送局の各々の時間軸で前記複数の放送局の各々の放送局現在時刻を算出し、前記複数の放送局の放送局現在時刻を互いに比較し、前記比較の結果に基づいて前記計時部現在時刻の更新直後の時刻である基準現在時刻を算出する基準現在時刻算出ステップと、
を有し、
前記計時ステップにおいて、前記計時部現在時刻を前記基準現在時刻に更新する
ことを特徴とするデジタル放送受信方法。 A digital broadcast receiving method in a digital broadcast receiving apparatus for receiving a plurality of digital broadcast signals transmitted from a plurality of broadcast stations,
An information extracting step of extracting broadcast station time information, which is time information generated by each of the plurality of broadcast stations, from each of the plurality of digital broadcast signals;
A time measuring step for generating a current time of a time measuring unit that is a time on a time axis of the digital broadcast receiving device;
For each of the plurality of broadcast stations, time-related information including broadcast station identification information, the broadcast station time information, and time information acquisition time that is the current time of the timekeeping unit at the time when the broadcast station time information is extracted A time-related information acquisition step of acquiring information;
Based on the time-related information for each of the plurality of broadcast stations acquired in the time-related information acquisition step, the broadcast station current time of each of the plurality of broadcast stations on the time axis of each of the plurality of broadcast stations. A reference current time calculation step of calculating a reference current time which is a time immediately after the update of the timekeeping part current time based on the result of the comparison ,
Have
In the time measuring step, the time measuring unit current time is updated to the reference current time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015075784A JP2016197771A (en) | 2015-04-02 | 2015-04-02 | Digital broadcast receiver and digital broadcast reception method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015075784A JP2016197771A (en) | 2015-04-02 | 2015-04-02 | Digital broadcast receiver and digital broadcast reception method |
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| Publication Number | Publication Date |
|---|---|
| JP2016197771A JP2016197771A (en) | 2016-11-24 |
| JP2016197771A5 true JP2016197771A5 (en) | 2017-11-16 |
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| JP2015075784A Pending JP2016197771A (en) | 2015-04-02 | 2015-04-02 | Digital broadcast receiver and digital broadcast reception method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7260149B2 (en) * | 2019-03-25 | 2023-04-18 | 株式会社ユピテル | System and program etc. |
| WO2021186800A1 (en) * | 2020-03-17 | 2021-09-23 | 株式会社日立国際電気 | Time information acquisition device and synchronization signal conversion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008128801A (en) * | 2006-11-21 | 2008-06-05 | Matsushita Electric Ind Co Ltd | Broadcast receiver |
| JP4333780B2 (en) * | 2007-05-25 | 2009-09-16 | 船井電機株式会社 | Digital broadcast receiver |
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