WO2009096558A1 - データ処理装置及びデータ再生処理方法並びに電子機器 - Google Patents
データ処理装置及びデータ再生処理方法並びに電子機器 Download PDFInfo
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Definitions
- the present invention relates to a data processing apparatus, a data reproduction processing method, and an electronic apparatus that decode data that has been encoded and reproduce the data after the decoding.
- portable electronic devices for example, an antenna unit that receives television broadcast waves, a demodulation processing unit that demodulates television broadcast waves received by the antenna unit, and a demodulated signal (transport stream (TS)) Separation processing unit that separates audio TS and video TS, audio TS decoding processing unit that decodes the separated audio TS, video TS decoding processing unit that decodes the separated video TS, and audio TS
- TS transport stream
- a speaker that outputs audio decoded by the decode processing unit, a display that outputs video decoded by the video TS decode processing unit, and a synchronization process that extracts a synchronization signal from the TS and performs audio and video synchronization processing And a part.
- Such a portable electronic device has a function of recording received content in a memory.
- the reproduction method is not a preferable reproduction mode.
- the present invention has been made in view of the above-described problems.
- One of the purposes is to provide a data processing apparatus, a data reproduction processing method, and an electronic device that can perform a reproduction process that does not give the viewer a sense of incongruity.
- a data processing apparatus decodes data encoded in accordance with a predetermined standard, and reproduces data after decoding.
- the data missing time is either the first process for shortening the reproduction time of the data for reproduction or the second process for inserting arbitrary data into the missing part of the data.
- a control unit that switches processing to be executed based on the missing time calculated by the calculation unit.
- the control unit determines whether the missing time calculated by the data missing time calculating unit is longer than a predetermined time, and the missing time is longer than the predetermined time. It is preferable that the first process is performed when it is determined that the time is longer, and the second process is performed when it is determined that the missing time is shorter than the predetermined time.
- control unit when the first process is performed, the control unit preferably omits the data corresponding to the missing time from the reproduction process time.
- control unit when the second process is performed, the control unit preferably inserts the arbitrary data without omitting data at a portion corresponding to the missing time.
- the data loss time calculation unit calculates a data loss time based on a packet including information on the order of the data.
- the packet including the order information is a packet including predetermined time information at a predetermined time interval included in the encoded data, and the packet including the time information is extracted.
- a time information table generating unit that generates a time information table, and a determination unit that determines whether or not the time information is extracted at the predetermined time interval with reference to the time information table, the data
- the missing time calculating unit estimates that the encoded data is missing when the determining unit determines that the time information is not extracted at the certain time interval, and It is preferable to calculate the data missing time based on the time information immediately before and the time information immediately after the portion that is not the time interval.
- the control unit determines that the missing time is longer than a predetermined time, it is preferable that the reproduction process is performed by inserting arbitrary data into the missing time.
- the data loss time calculation unit analyzes a packet to which the immediately preceding time information belongs, and obtains first reproduction start time information and a reproduction time that define a reproduction start timing, The packet to which the immediately following time information belongs is analyzed, second reproduction start time information defining the reproduction start timing is obtained, and the first reproduction start time information, the reproduction time, and the second reproduction information are acquired. It is preferable to calculate the missing time of the data based on the start time information.
- the arbitrary data is preferably black image data or immediately preceding image data.
- control unit performs control so as to visually or audibly notify that data is lost together with the insertion of the arbitrary data.
- a receiving unit is provided, and the missing time calculating unit calculates a missing time of data received by the receiving unit.
- a data reproduction processing method decodes data encoded in accordance with a predetermined standard, and reproduces the data after decoding. Then, a missing data time calculating step for calculating the missing time of the received data, and when the data to be reproduced is missing, based on the missing time calculated by the missing data time calculating step, Either the first process of reproducing the data by reducing the reproduction time of the data for the missing or the second process of inserting arbitrary data into the missing part of the data, and the data missing time A processing step of switching processing to be executed based on the missing time calculated by the calculation step.
- the processing step determines whether or not the missing time calculated by the data missing time calculating step is longer than a predetermined time. It is preferable to perform either the first process or the second process, and switch the process to be executed based on the missing time calculated by the data missing time calculation unit.
- an electronic device includes a decoding processing unit that decodes data encoded in accordance with a predetermined standard, and data reproduction that reproduces data after the decoding process.
- a data missing time calculating unit that calculates a data missing time; and when the data to be played back is missing, the missing data is calculated based on the missing time calculated by the data missing time calculating unit.
- the data missing time calculation is performed by performing either a first process for shortening the data reproduction time for reproduction or a second process for inserting arbitrary data into the missing data part.
- a control unit that switches processing to be executed based on the missing time calculated by the unit.
- control unit determines whether the missing time calculated by the data missing time calculating unit is longer than a predetermined time, and performs the first processing or the second processing. It is preferable to perform any one of the processes and switch the process to be executed based on the missing time calculated by the data missing time calculation unit.
- the present invention can provide a playback process that does not give the viewer a sense of incongruity.
- Fig. (A) is a left side view in a state where the mobile phone is opened
- Fig. (B) is a right side view in a state where the mobile phone is opened.
- PCR It is the figure explaining the method of calculating the missing time of data.
- a mobile phone will be described as an electronic apparatus including the data processing apparatus according to the present invention.
- the present invention is not limited to this, and may be a PHS (Personal Handy phone System), a PDA (Personal Digital Assistant), a portable navigation device, a notebook personal computer, or the like.
- FIG. 1 is a front view of the mobile phone 1 in the open state (first open state).
- 2A is a left side view in a state where the mobile phone 1 is opened
- FIG. 2B is a right side view in a state where the mobile phone 1 is opened.
- the mobile phone 1 includes an operation unit side body 2 and a display unit side body 3.
- the operation unit side body 2 and the display unit side body 3 are coupled by a coupling unit 4 having a hinge mechanism.
- the mobile phone 1 is configured to be deformable into an open state and a closed state.
- the closed state is a state where both housings are arranged so as to overlap each other.
- the open state is a state in which both housings are arranged so as not to overlap each other.
- the display 30 disposed on the surface 3A of the display unit side body 3 described later and the operation key group 11 disposed on the front case 2a of the operation unit side body 2 are on the same side. It is the state arranged so that it may face.
- the back state is a state in which the display 30 in the display unit side body 3 and the operation key group 11 in the operation unit side body 2 are arranged to face opposite sides.
- the outer surface of the operation unit side body 2 is composed of a front case 2a and a rear case 2b.
- the operation unit side body 2 has an operation key group 11 and a voice input unit (microphone) 12 to which a voice uttered by a user of the mobile phone 1 is input on the front case 2a side.
- the operation key group 11 is a function setting operation key 13 for the user to operate various functions such as various settings, a telephone book function, a mail function, and the like, and a user inputs numbers of telephone numbers, characters such as mail, and the like.
- Input operation keys 14 and determination operation keys 15 for a user to perform determinations in various operations, scroll up and down, left and right, and the like.
- the microphone 12 is disposed on the outer end side opposite to the connecting portion 4 side in the longitudinal direction of the operation unit side body 2. That is, the microphone 12 is disposed on one outer end side when the mobile phone 1 is in the open state.
- the keys constituting the operation key group 11 are predetermined according to the open / closed state and the front / back state of the operation unit side body 2 and the display unit side body 3 and the type of application being activated. Has a function (key assignment).
- the cellular phone 1 executes an operation corresponding to the function assigned to each key when each key constituting the operation key group 11 is pressed by the user.
- one side surface of the operation unit side body 2 has an interface 16 for transmitting / receiving data to / from an external device (for example, a host device), a headphone / microphone terminal 17, and an attachment / detachment. It has a possible external memory interface 18 and a charging terminal 19 for charging the battery.
- the interface 16, the headphone terminal / microphone terminal 17, and the interface 18 are covered with a dust-proof cap that can be attached and detached when not in use.
- the other side surface of the operation unit side body 2 is a pair of side keys 20, an operation key 21 used at the time of imaging, and a broadcast wave reception capable of adjusting the reception angle of radio waves. And an antenna portion 22 for use.
- the side key 20 is assigned a predetermined function according to the open / closed state of the operation unit side body 2 and the display unit side body 3 and the type of the activated application (key assignment). When the side key 20 is pressed by the user, the mobile phone 1 performs an operation corresponding to the function assigned to the side key 20.
- the outer surface of the display unit side body 3 is composed of a front case 3a and a rear case 3b.
- the front case 3 a in the display unit side body 3 has a display 30 having a predetermined shape for displaying various types of information and an audio output unit 31 for outputting voice on the other side of the call on the outer surface. Have to be exposed.
- the audio output unit 31 is disposed on the outer end side opposite to the connection unit 4 in the longitudinal direction of the display unit side body 3. That is, the audio output unit 31 is arranged on the other end side in the open state of the mobile phone 1.
- the cellular phone 1 that can be folded by the connecting portion 4 is described.
- it is not a foldable type, but a sliding type in which one casing is slid in one direction from the state where the operation section side casing 2 and the display section side casing 3 are overlapped, or the operation section side casing 2.
- a rotation type (turn type) in which one casing is rotated around an axis along the direction in which the display section side casing 3 is overlapped, and the operation section side casing 2 and the display section side casing 3
- the mobile phone 1 is a type (straight type) mobile phone 1 that is arranged in one housing and does not have a connecting portion, this embodiment can be implemented.
- FIG. 3 is a functional block diagram illustrating each function of the mobile phone 1.
- the mobile phone 1 includes a communication unit 100 that communicates with an external device (such as a radio base station), a processing unit 150 that performs predetermined processing, and a broadcast wave reception unit 200 that receives broadcast waves. It is equipped with.
- an external device such as a radio base station
- a processing unit 150 that performs predetermined processing
- a broadcast wave reception unit 200 that receives broadcast waves. It is equipped with.
- the communication unit 100 includes an antenna unit 101 and a communication processing unit 102.
- the antenna unit 101 performs telephone communication, mail communication, and the like with another communication terminal device via a base station based on a predetermined communication method (for example, CDMA (Code Division Multiple Access) 2000_1x).
- the communication processing unit 102 includes a transmission circuit that performs transmission processing and a reception circuit that performs reception processing.
- the antenna unit 101 communicates with a base station in a predetermined use frequency band (for example, 800 MHz), for example.
- the use frequency band may be a frequency band other than 800 MHz.
- the antenna unit 101 may be configured to be able to support a plurality of use frequency bands.
- the communication processing unit 102 demodulates the signal received by the antenna unit 101 by the receiving circuit. Then, the communication processing unit 102 supplies the demodulated processed signal to the processing unit 150. The communication processing unit 102 modulates the signal supplied from the processing unit 150 by a transmission circuit. Then, the communication processing unit 102 transmits the processed signal subjected to the modulation process to the external device via the antenna unit 101.
- the processing unit 150 includes an operation key group 11, a microphone 12, a display 30, a sound output unit 31, a memory 151 that stores predetermined data, a sound processing unit 152 that performs predetermined sound processing, An image processing unit 153 that performs predetermined image processing, a camera unit 23 that captures a subject, a speaker 154 that outputs ringtones, a main control unit 155 that controls each component, and the like are provided.
- the memory 151 is a detachable memory.
- the memory 151 stores content received by the broadcast wave receiving unit 200 or the like.
- FIG. 4 is a diagram for explaining the broadcast wave receiving unit 200 and devices connected to the broadcast wave receiving unit 200.
- the broadcast wave receiving unit 200 includes an antenna unit 22, a reception processing unit 201, a decoding processing unit 202, a reproduction processing unit 203, a time information table generation unit 204, a determination unit 205, and a data loss time calculation unit 206. And a control unit 207.
- the reception processing unit 201 is connected to the antenna unit 22.
- the decoding processing unit 202 receives the signal processed by the reception processing unit 201.
- the reproduction processing unit 203 receives the signal decoded by the decoding processing unit 202.
- the time information table generation unit 204 receives the signal processed by the reception processing unit 201.
- the determination unit 205 is connected to the time information table generation unit 204.
- the data loss time calculation unit 206 is connected to the determination unit 205.
- the control unit 207 is connected to the data loss time calculation unit 206 and performs predetermined control.
- the broadcast wave receiving unit 200 includes a writing / reading unit 208 that writes a signal (stream) processed by the reception processing unit 201 to the memory 151 and reads the signal (stream) from the memory 151.
- the antenna unit 22 receives a signal propagating in space and supplies the received signal to the reception processing unit 201. In addition, the antenna unit 22 can adjust the reception angle of radio waves as described above. It is assumed that the signal received by the antenna unit 22 is encoded in accordance with a predetermined standard (for example, MPEG (moving picture experts group) 2).
- MPEG moving picture experts group
- the reception processing unit 201 performs a predetermined process. Specifically, the reception processing unit 201 receives a digital broadcast signal modulated / compressed by a predetermined method, and restores a TS (Transport Stream) packet sent out by a broadcast station based on the received digital broadcast signal. I do.
- a TS Transport Stream
- the TS packet includes a video TS packet, an audio TS packet, and additional information such as captions and program information. Further, the additional information includes time information (DTS, decoding time stamp) that defines the start timing of the decoding process, time information (PTS, Presentation Time Stamp) that defines the timing at which playback is performed, and the like.
- DTS decoding time stamp
- PTS Presentation Time Stamp
- the TS packet is a fixed length packet of 188 bytes. Further, as shown in FIG. 5, the TS packet is composed of a 4-byte fixed header, an adaptation field having a variable length of 184 bytes, and a payload. In the header, PID (Packet Identifier) is described. The packet is identified by this PID.
- PID Packet Identifier
- a PES (Packetized Elementary Stream) packet is configured by connecting the payload portions of a plurality of TS packets having the same PID.
- the PES packet has a PCR (Program Clock Reference) at regular time intervals for each packet.
- the PCR is reference time information that is referred to when the data encoded by the decoding processing unit 202 is decoded and when the data after decoding processing is reproduced by the reproduction processing unit 203. is there. Therefore, the broadcast wave receiving unit 200 can obtain system time information by referring to the PCR.
- the PES packet is a single media information packetized in a unit of presentation.
- the PES packet is a unit for performing time management of media playback. Therefore, one PES packet constitutes one frame.
- the decoding processing unit 202 decodes the data related to the signal after the restoration processing by the reception processing unit 201 or the data read from the memory 151 by the writing / reading unit 208 for each packet.
- the reproduction processing unit 203 reproduces the data after the decoding processing by the decoding processing unit 202. Then, the playback processing unit 203 supplies the video signal after the playback process to the display 30 and supplies the audio signal after the playback process to the speaker 154.
- the time information table generating unit 204 extracts predetermined time information included in the encoded data for each packet at a constant time interval, and generates a time information table.
- the predetermined time information is, for example, PCR defined in MPEG2.
- the determining unit 205 refers to the time information table to determine whether the time information is extracted at regular time intervals.
- the data loss time calculation unit 206 estimates that the encoded data is missing when the determination unit 205 determines that the time information is not extracted at regular time intervals. Then, the data missing time calculation unit 206 calculates the data missing time based on the time information immediately before and the time information immediately after the portion that is not at a certain time interval.
- the data missing time calculation unit 206 analyzes the packet to which the immediately preceding time information belongs, obtains the first reproduction start time information and the reproduction time that define the reproduction start timing, and determines the packet to which the immediately following time information belongs. Analyzing and obtaining second reproduction start time information defining the reproduction start timing, and calculating a data missing time from the first reproduction start time information, the reproduction time, and the second reproduction start time information. You may have a structure.
- the control unit 207 determines whether or not the missing time calculated by the data missing time calculating unit 206 is longer than a predetermined time, and if it is determined that the missing time is longer than the predetermined time, the missing time Is controlled so that the reproduction processing by the reproduction processing unit 203 is performed (first processing), and when it is determined that the missing time is shorter than a predetermined time, Control is performed so that the playback processing by the playback processing unit 203 is performed by inserting arbitrary data without omitting the data of the corresponding portion (second processing).
- the reproduction processing unit 203 may be configured to control to perform reproduction processing by inserting arbitrary data in the first processing.
- the arbitrary data is, for example, black image data or immediately preceding image data.
- the control unit 207 may insert the black image or the immediately preceding image so that the screen gradually becomes brighter and a video appears (fade-in insertion).
- the control unit 207 may erase the black image or the immediately preceding image so that the video gradually disappears (fade out).
- the control unit 207 may insert a message indicating how many seconds the video has been lost in the screen.
- the PCR holds system time information. Then, as shown in FIG. 6, since the PCR is arranged at a predetermined time interval (for example, 0.5 s interval) in the video PES, the broadcast wave receiving unit 200 monitors the data by monitoring the PCR. Missing can be predicted.
- a predetermined time interval for example, 0.5 s interval
- the time information table generation unit 204 extracts only the PCR from each video PES and generates a time information table A (see FIG. 6).
- the determination unit 205 monitors the time information table A generated by the time information table generation unit 204, and determines whether or not PCRs are extracted at predetermined time intervals. In the example shown in FIG. 6, the time information table generation unit 204 cannot extract PCR3 to PCR5.
- the determining unit 205 refers to the time information table A, grasps that PCR3 to PCR5 have not been extracted, and determines that data is missing.
- the data missing time calculation unit 206 calculates an accurate missing time between PCR2 to PCR6 based on the determination result of the determination unit 205.
- the data loss time calculation unit 206 starts searching for the head of the video PES from the position where the PCR 6 is arranged in the direction of past data (“A1” in FIG. 7A).
- the data loss time calculation unit 206 determines whether or not data loss has occurred in the first searched video PES1 (“A2” in FIG. 7A).
- the data missing time calculation unit 206 analyzes the header of the video PES1 and acquires the PTS1 and the playback start time (DRU1) (during 7 (A)). "A3").
- DRU1 the playback start time
- A3 the playback start time
- the data loss time calculation unit 206 starts searching for the head of the video PES from the position where the PCR 2 is arranged in the direction of future data (“B1” in FIG. 7B).
- the data loss time calculation unit 206 determines whether or not data loss has occurred in the first searched video PES2 (“B2” in FIG. 7B).
- the data missing time calculation unit 206 determines that the data of the video PES2 is not missing, the data missing time calculation unit 206 analyzes the header of the video PES2 and acquires the PTS2 (“B3” in FIG. 7B).
- the data missing time calculation unit 206 performs a predetermined calculation (PTS2- (PTS1 + DRU1)) to calculate the data missing time.
- the control unit 207 determines whether the data missing time is longer or shorter than a predetermined time from the calculation result by the data missing time calculating unit 206.
- the reproduction processing unit 203 When the control unit 207 determines that the missing time is longer than a predetermined time (for example, 3 s), the reproduction processing unit 203 performs the reproduction process by omitting the data corresponding to the missing time. Control. Therefore, for example, if the missing time is 56 s from 4 s to 60 s, it is longer than the predetermined time, so that the control from the control unit 207 causes the reproduction processing unit 203 to display the display 30 as shown in FIG. As shown, a playback image in which an arbitrary image such as a black image is inserted is output while shortening the playback time. Therefore, the present invention can prevent the previous screen, black image, etc. from being reproduced in a silent state over a long period of time when data is lost for a long period of time. Good reproduction can be provided.
- a predetermined time for example, 3 s
- the reproduction processing unit 203 performs the reproduction process without omitting the data corresponding to the missing time. Control to do. Therefore, for example, when the missing time is 2 s to 6 s, which is shorter than the predetermined time, the image output from the reproduction processing unit 203 to the display 30 under the control of the control unit 207 is shown in FIG. As shown in B), reproduction is performed by inserting an arbitrary image such as a black image without omitting the data corresponding to the missing time.
- a predetermined time for example, 3 s
- the reproduction processing unit 203 performs the reproduction process without omitting the data corresponding to the missing time. Control to do. Therefore, for example, when the missing time is 2 s to 6 s, which is shorter than the predetermined time, the image output from the reproduction processing unit 203 to the display 30 under the control of the control unit 207 is shown in FIG. As shown in B), reproduction is performed by inserting an arbitrary image such as a black image without omitting the data corresponding to the missing time.
- the present invention can provide a good reproduction that does not give the viewer a sense of incongruity because it is possible to suppress the shortening of the image or sound for a few seconds in the event of a short period of data loss of about several seconds. be able to.
- FIG. 8B shows the reproduction control in the case where data loss occurs for a short time at two locations (4 s to 6 s and 12 s).
- the mobile phone 1 according to the present invention appropriately changes the display method according to the data loss time, it is possible to provide a playback mode that is easy for the viewer to view.
- control unit 207 may perform control so that the data corresponding to the missing time is omitted, or the data corresponding to the missing time may be stored. You may control so that it may not be omitted.
- the video PES lacks a stream for a certain period is illustrated, but the embodiment is not limited thereto.
- the present invention can also be applied to the case where an audio PES stream is lost during a certain period.
- the decoding processing unit 202, the reproduction processing unit 203, the time information table generation unit 204, the determination unit 205, the data loss time calculation unit 206, and the control unit 207 are a broadcast wave reception unit.
- the embodiment is not limited to this.
- the decoding processing unit 202, the reproduction processing unit 203, the time information table generation unit 204, the determination unit 205, the data loss time calculation unit 206, and the control unit 207 may be provided in the processing unit 150.
- the determination unit 205, the data missing time calculation unit 206, and the control unit 207 execute each process independently, but the embodiment is not limited to this.
- the determination unit 205, the data missing time calculation unit 206, and the control unit 207 may be integrally configured by the main control unit 155.
- the determination unit 205 is described as performing data loss determination based on the regularity of PCR in MPEG2-TS, but the embodiment is not limited to this.
- the determination unit 205 may perform data loss determination based on regularity of TTS or video or audio PTS.
- the type of data for which the missing time is calculated is video or audio received from the antenna unit 101, but the embodiment is not limited to this.
- the present invention may be applied to video or audio stored in the mobile phone 1.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
22 アンテナ部
151 メモリ
200 放送波処理部
201 受信処理部
202 復号処理部
203 再生処理部
204 時間情報テーブル生成部
205 判断部
206 データ欠落時間算出部
207 制御部
208 書込・読出部
ここで、放送波受信部200の具体的な動作について説明する。なお、以下では、映像PESにおいて一定期間(図6中のa-b期間)において、データ(ストリーム)の欠落が生じたものとする。
Claims (15)
- 所定の規格に準拠して符号化されているデータを復号処理する復号処理部と、
復号処理後のデータを再生処理するデータ再生処理部と、
データの欠落時間を算出するデータ欠落時間算出部と、
再生処理される前記データに欠落が生じている場合、前記データ欠落時間算出部により算出された欠落時間に基づいて、前記欠落に対して前記データの再生時間を短縮して再生する第1の処理か、又は前記データの欠落部分に任意のデータを挿入する第2の処理のいずれかの処理を行い、前記データ欠落時間算出部により算出された欠落時間に基づいて実行する処理を切り替える制御部と、
を備えるデータ処理装置。 - 前記制御部は、前記データ欠落時間算出部により算出された前記欠落時間が所定の時間よりも長いか否かを判断して、
前記欠落時間が前記所定の時間よりも長いと判断した場合において、前記第1の処理を行い、
前記欠落時間が前記所定の時間よりも短いと判断した場合において、前記第2の処理を行う、
請求項1に記載のデータ処理装置。 - 前記制御部は、前記第1の処理を行う場合には、再生処理される時間から当該欠落時間に該当する箇所のデータを省略する
請求項2に記載のデータ処理装置。 - 前記制御部は、前記第2の処理を行う場合には、当該欠落時間に該当する箇所のデータを省略せずに前記任意のデータを挿入する
請求項2に記載のデータ処理装置。 - 前記データ欠落時間算出部は、前記データが有する順番の情報を含むパケットに基づいて、データの欠落時間を算出する
請求項1に記載のデータ処理装置。 - 前記順番の情報を含むパケットは、前記符号化されているデータが有する一定の時間間隔で所定の時間情報を含むパケットであり、
前記時間情報を含むパケットを抽出して時間情報テーブルを生成する時間情報テーブル生成部と、
前記時間情報テーブルを参照して前記時間情報が前記一定の時間間隔で抽出されているか否かを判断する判断部と、
を備え、
前記データ欠落時間算出部は、前記判断部により前記時間情報が前記一定の時間間隔で抽出されていないと判断された場合に、前記符号化されているデータが欠落を生じていると推定し、前記一定の時間間隔になっていない箇所の直前の時間情報と直後の時間情報とに基づいてデータの欠落時間を算出する
請求項5に記載のデータ処理装置。 - 前記制御部は、前記欠落時間が所定の時間よりも長いと判断した場合には、前記欠落時間に任意のデータを挿入して前記再生処理を行う
請求項1に記載のデータ処理装置。 - 前記データ欠落時間算出部は、前記直前の時間情報が属するパケットを解析し、再生開始のタイミングを規定する第1の再生開始時間情報と再生時間とを取得し、
前記直後の時間情報が属するパケットを解析し、再生開始のタイミングを規定する第2の再生開始時間情報を取得し、
前記第1の再生開始時間情報と、前記再生時間と、前記第2の再生開始時間情報と、に基づいて前記データの欠落時間を算出する
請求項6に記載のデータ処理装置。 - 前記任意のデータは、黒画像のデータ又は直前の画像のデータである
請求項1に記載のデータ処理装置。 - 前記制御部は、前記任意のデータの挿入とともにデータが欠落した旨を視覚的又は聴覚的に報知するように制御する
請求項1に記載のデータ処理装置。 - 受信部を備え、
前記データ欠落時間算出部は、前記受信部が受信したデータの欠落時間を算出する
請求項1に記載のデータ処理装置。 - 所定の規格に準拠して符号化されているデータを復号処理し、復号処理後のデータを再生処理するデータ再生処理方法であって、
受信したデータの欠落時間を算出するデータ欠落時間算出工程と、
再生処理される前記データに欠落が生じている場合、前記データ欠落時間算出工程により算出された欠落時間に基づいて、前記欠落に対して前記データの再生時間を短縮して再生する第1の処理か、又は前記データの欠落部分に任意のデータを挿入する第2の処理のいずれかの処理行い、前記データ欠落時間算出工程により算出された欠落時間に基づいて実行する処理を切り替える処理工程と、
を備えるデータ再生処理方法。 - 前記処理工程は、前記データ欠落時間算出工程により算出された前記欠落時間が所定の時間よりも長いか否かを判断して、前記第1の処理又は前記第2の処理のいずれかの処理を行い、前記データ欠落時間算出工程により算出された欠落時間に基づいて実行する処理を切り替える
請求項12に記載のデータ再生処理方法。 - 所定の規格に準拠して符号化されているデータを復号処理する復号処理部と、
復号処理後のデータを再生処理するデータ再生処理部と、
データの欠落時間を算出するデータ欠落時間算出部と、
再生処理される前記データに欠落が生じている場合、前記データ欠落時間算出部により算出された欠落時間に基づいて、前記欠落に対して前記データの再生時間を短縮して再生する第1の処理か、又は前記データの欠落部分に任意のデータを挿入する第2の処理のいずれかの処理を行い、前記データ欠落時間算出部により算出された欠落時間に基づいて実行する処理を切り替える制御部と、
を備える電子機器。 - 前記制御部は、前記データ欠落時間算出部により算出された前記欠落時間が所定の時間よりも長いか否かを判断して、前記第1の処理又は前記第2の処理のいずれかの処理を行い、前記データ欠落時間算出部により算出された欠落時間に基づいて実行される処理を切り替える
請求項14に記載の電子機器。
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WO2011140627A1 (en) * | 2009-11-04 | 2011-11-17 | The University Of British Columbia | Nucleic acid-containing lipid particles and related methods |
EP3797860A1 (en) | 2016-01-06 | 2021-03-31 | The University of British Columbia | Bifurcating mixers and methods of their use and manufacture |
US11679159B2 (en) | 2018-04-29 | 2023-06-20 | Precision NanoSystems ULC | Compositions for transfecting resistant cell types |
EP4226916A1 (en) | 2022-02-15 | 2023-08-16 | Universität Basel | Lipid nanoparticle comprising phosphatidylserine |
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JP2003319280A (ja) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | ディジタル放送受信システム |
WO2006101131A1 (ja) * | 2005-03-22 | 2006-09-28 | Matsushita Electric Industrial Co., Ltd. | ストリームデータ記録装置、ストリームデータ記録再生装置、ストリームデータ再生装置、ストリームデータ編集装置、ストリーム記録方法、及びストリーム再生方法 |
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US8358704B2 (en) * | 2006-04-04 | 2013-01-22 | Qualcomm Incorporated | Frame level multimedia decoding with frame information table |
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JP2003319280A (ja) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | ディジタル放送受信システム |
WO2006101131A1 (ja) * | 2005-03-22 | 2006-09-28 | Matsushita Electric Industrial Co., Ltd. | ストリームデータ記録装置、ストリームデータ記録再生装置、ストリームデータ再生装置、ストリームデータ編集装置、ストリーム記録方法、及びストリーム再生方法 |
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WO2011140627A1 (en) * | 2009-11-04 | 2011-11-17 | The University Of British Columbia | Nucleic acid-containing lipid particles and related methods |
EP3797860A1 (en) | 2016-01-06 | 2021-03-31 | The University of British Columbia | Bifurcating mixers and methods of their use and manufacture |
US11679159B2 (en) | 2018-04-29 | 2023-06-20 | Precision NanoSystems ULC | Compositions for transfecting resistant cell types |
EP4226916A1 (en) | 2022-02-15 | 2023-08-16 | Universität Basel | Lipid nanoparticle comprising phosphatidylserine |
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