JP2014127981A - Video recording and reproducing apparatus, and video recording and reproducing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a video recording and reproducing apparatus which acquires information based on power consumption from a power management apparatus and performs summary reproduction on the basis of the information.SOLUTION: A video recording and reproducing apparatus 5 disposed within an area so as to be communicable with a power management apparatus 4 which manages the power consumption of apparatuses within a management area comprises: a storage unit 54 for storing a broadcast program; and a reproduction unit 55 for reproducing a broadcast program stored in the storage unit 54. The reproduction unit 55, which is capable of summary reproduction of reproducing only a partial scene of a broadcast program stored in the storage unit 54 with reference to the importance of the scene, acquires information based on the power consumption from the power management apparatus 4 and performs the summary reproduction on the basis of the information.

Description

  The present invention relates to a recording / reproducing apparatus, and more particularly, to a recording / reproducing apparatus disposed in the area so as to be communicable with a power management apparatus that manages the power consumption of the apparatus in the management area.

  2. Description of the Related Art In recent years, there has been known a power management device that manages the amount of power consumed in each household and facilitates energy saving in each household due to the increase in energy saving momentum (see, for example, Patent Document 1).

  On the other hand, in the recording / playback apparatus, a technique is known in which the importance level of a scene is calculated based on the degree of excitement of a recorded program, for example, based on the volume of sound, etc. Patent Document 2). By this summary reproduction, the user can grasp the contents of the program in a short time reproduction.

  Furthermore, by using this summary reproduction, the reproduction time is shortened, so that an energy saving effect can be obtained. For example, the user confirms the power consumption amount information with the power management device, and when the power consumption amount is large, the user reproduces the recorded program using the summary reproduction function. As described above, based on information obtained from the power management device, the user can reduce the power consumption in the home by summarizing and reproducing the recorded program in consideration of energy saving.

JP 2008-92680 A International Publication No. 2005/069172

  As described above, since the operation of the power management device and the recording / playback device has not been linked conventionally, the user confirms the power consumption information obtained from the power management device, and then performs the summary playback operation or normal operation. It was necessary to perform a playback operation. That is, the user selects the playback method after confirming the power consumption information, which is inconvenient and burdensome for the user.

  The present invention has been made to solve the above-described problems, and aims to provide a recording / playback apparatus that acquires information based on power consumption from a power management device and performs summary playback based on this information. And

  A recording / playback apparatus according to the present invention is a recording / playback apparatus disposed in a management area so as to be communicable with a power management apparatus that manages the power consumption of the equipment in the management area, and a storage unit that stores a broadcast program; A playback unit that plays back the broadcast program stored in the storage unit, and the playback unit can perform summary playback that plays back only a partial scene of the broadcast program stored in the storage unit based on the importance of the scene It is characterized in that information based on the amount of power consumption is acquired from the power management device, and summary playback is performed based on the information.

  The recording / playback apparatus according to the present invention automatically performs summary playback based on information based on the power consumption acquired from the power management device. Therefore, the user does not need to confirm information based on the power consumption amount of the power management device and select normal reproduction or summary reproduction according to the information. That is, the burden on the user is reduced and convenience is improved. In addition, since the recording / playback device automatically performs summary playback, the playback time is shortened, so that power consumption can be reduced.

1 is a diagram illustrating a configuration of a recording / playback system according to Embodiment 1. FIG. 2 is a functional block diagram of the recording / playback apparatus according to Embodiment 1. FIG. 4 is a flowchart of a reproduction operation of the recording / reproducing apparatus according to Embodiment 1. 6 is a flowchart of a playback operation of the recording / playback apparatus according to the second embodiment. 10 is a flowchart of the reproduction operation of the recording / reproducing apparatus according to the third embodiment. 10 is a flowchart of the reproduction operation of the recording / reproducing apparatus according to the fourth embodiment.

<Embodiment 1>
<Configuration>
FIG. 1 shows a configuration of a recording / playback system according to the present embodiment. The first and second devices 1 and 2 and the recording / playback apparatus 5 are connected to the power line 20 drawn from the power management device 4 and operate upon receiving power supply from the power line 20. The power management device 4 and the recording / playback apparatus 5 are connected to a predetermined network and can communicate with each other. For example, the predetermined network is a home network 10 constructed by a wireless LAN.

  The power management device 4 can measure the amount of power consumed through the power line 20. That is, the power management device 4 measures the total amount of power consumption of devices connected to the power line 20 (hereinafter referred to as total power consumption). In this case, an area connectable to the power line 20 is defined as a management area.

  As another system configuration, for example, the first and second devices 1 and 2 and the recording / playback apparatus 5 can measure the amount of power consumed by themselves. It may be possible to transmit to the power management device 4 via. In this case, the first and second devices 1 and 2 and the recording / playback apparatus 5 do not necessarily have to be connected to the power line 20 drawn from the power management device 4. In this case, an area connectable to the home network 10 is a management area.

  As described above, the power management device 4 can acquire information (for example, the total power consumption amount) based on the power consumption amount of the devices in the management area, and can communicate with the recording / playback apparatus 5. .

  The first and second devices 1 and 2 are household devices, such as a refrigerator, an air conditioner, a rice cooker, and a microwave oven.

  FIG. 2 shows a functional block diagram of the recording / reproducing apparatus 5 in the present embodiment. The recording / reproducing apparatus 5 includes an interface (hereinafter referred to as I / F) unit 51 for connecting to the home network 10.

  The recording / reproducing apparatus 5 further includes a receiving unit 53 that receives a transport stream demodulated from a broadcast wave in an external tuner unit 58, and a storage unit 54 that stores the transport stream. The storage unit 54 is, for example, a hard disk drive. The external tuner unit 58 is connected to an antenna 59 that receives broadcast waves.

  The recording / reproducing apparatus 5 further converts the transport stream stored in the storage unit 54 into a partial transport stream, separates the video data and the audio data, and outputs them to the video signal output terminal 56 and the audio signal output terminal 57. A playback unit 55 is provided. An external display unit 60 can be connected to the video signal output terminal 56. The display unit 60 is a liquid crystal display, for example.

  The recording / reproducing apparatus 5 further includes an operation input unit 61. The user operates the operation input unit 61 to play back or stop the recorded program. The operation input unit 61 may further include, for example, an infrared receiving unit, and may receive an operation of the remote controller via the infrared receiving unit.

  The operations of the receiving unit 53, the storage unit 54, and the reproducing unit 55 are controlled by the control unit 52. The control unit 52 realized by the CPU determines a playback method of the recorded program of the playback unit 55 based on a power saving level (described later) received by the I / F unit 51. The reproduction unit 55 can reproduce the recorded program stored in the storage unit 54 by normal reproduction or summary reproduction. The summary reproduction will be described later.

<Operation of power management equipment>
The power management device 4 sets the power saving level based on the latest total power consumption of the devices in the management area. A threshold is set in advance in the power management device 4, and when the total power consumption is equal to or less than the threshold, the power saving level is set to zero. On the other hand, when the total power consumption exceeds the threshold, the power saving level is set to 1. It is assumed that the power management device 4 updates the power saving level setting every certain time (for example, 5 minutes). The power management device 4 notifies the recording / playback apparatus 5 of the power saving level via the home network 10 in response to an inquiry from the recording / playback apparatus 5.

  In addition, when the temporal fluctuation of the total power consumption is large, even if the power saving level is set by comparing the addition average of the total power consumption acquired within a certain time (for example, within one hour) with a threshold value. Good.

<Operation of recording / playback device>
FIG. 3 shows a flowchart of the reproducing operation of the recording / reproducing apparatus 5 in the present embodiment. When an operation for instructing playback of a recorded program is input in the operation input unit 61, the control unit 52 inquires of the power management device 4 about the power saving level via the I / F unit 51 and the home network 10 (step S101). ).

  Then, the power management device 4 transmits the power saving level to the recording / playback device 5, and the control unit 52 acquires the power saving level (step S102). Next, the control unit 52 determines whether the acquired power saving level is 0 or 1 (step S103).

  When the power saving level is 0, the control unit 52 sets the criterion of the importance level of the scene when performing the summary reproduction without the criterion. “No reference” means that all scenes of the recorded program are reproduced. That is, the reproducing unit 55 reproduces the recorded program by normal reproduction (step S104). The playback unit 55 converts the transport stream of the broadcast program stored in the storage unit 54 into a partial transport stream, and outputs the video signal to the video signal output terminal 56 and the audio signal to the audio signal output terminal 57.

  On the other hand, when the power saving level is 1, the control unit 52 sets the standard of the importance level of the scene when performing summary reproduction to a predetermined standard. The playback unit 55 converts the transport stream of the broadcast program stored in the storage unit 54 into a partial transport stream, and plays back only scenes that satisfy the criteria of scene importance (step S105). The standard of the importance of the scene is, for example, the intensity of the audio signal included in the broadcast program.

  In the present embodiment, the recording / reproducing apparatus 5 obtains the latest power saving level from the power management device 4 every certain time (for example, 10 minutes) even during reproduction of the recorded program (step S104 or step S105). You may get it. In this case, during playback of the recorded program, it is determined whether the power saving level is 0 or 1 at regular intervals, and normal playback and summary playback are switched. By this operation, it is possible to perform the reproduction operation while responding to the temporal fluctuation of the total power consumption.

  In the present embodiment, the recording / reproducing apparatus 5 may be a television incorporating an external tuner unit 58 and an external display unit 60.

  In the present embodiment, the power management device 4 notifies the total power consumption in response to an inquiry from the recording / playback device 5. However, even if no inquiry is received, for example, every certain time (10 minutes) In addition, the latest total power consumption may be notified. In this case, the recording / reproducing apparatus 5 stores the notified latest total power consumption in, for example, the storage unit 54.

<Effect>
The recording / reproducing apparatus 5 in the present embodiment is a recording / reproducing apparatus 5 disposed in the management area so as to be communicable with the power management apparatus 4 that manages the power consumption of the apparatus in the management area, and stores a broadcast program. Storage unit 54 and a playback unit 55 that plays back the broadcast program stored in the storage unit 54. The playback unit 55 uses the importance of the scene as a reference for the partial broadcast program stored in the storage unit 54. Summarized playback in which only scenes are played back is possible. Information based on the amount of power consumption is acquired from the power management device 4, and summary playback is performed based on the information.

  Therefore, the recording / playback apparatus 5 in the present embodiment automatically performs summary playback based on information based on the power consumption obtained from the power management device 4. Therefore, the user does not need to confirm information based on the power consumption amount of the power management device and select normal reproduction or summary reproduction according to the information. That is, the burden on the user is reduced and convenience is improved. Moreover, since the recording / playback apparatus 5 automatically performs summary playback, the playback time is shortened, so that power consumption can be reduced.

  The information acquired from the power management device 4 by the recording / playback apparatus 5 in the present embodiment is a power saving level determined based on the total power consumption of the devices in the management area, and based on the power saving level. , Characterized by changing the criteria of importance of the scene.

  Therefore, the recording / playback apparatus 5 uses the power saving level determined by the power management device 4 to change the criterion of the importance level of the scene when the summary playback is performed. Therefore, since the determination of the power saving level is performed outside the power management device 4, the processing burden on the recording / playback apparatus 5 is reduced. In addition, since the power saving level is determined based on the total power consumption, a reproduction operation in consideration of the power consumption of the entire management area is possible.

  In addition, the recording / reproducing apparatus 5 in the present embodiment is characterized in that information based on the power consumption is acquired at regular intervals.

  Therefore, even when the power consumption of the devices in the management area changes, summary reproduction according to the change can be performed, and the convenience for the user is improved.

  In addition, the recording / playback apparatus 5 in the present embodiment is a television further including a tuner unit 58 that receives a broadcast program and a display unit 60 that displays playback in the playback unit 55.

  Therefore, when the recording / reproducing apparatus 5 further includes the tuner unit 58 and the display unit 60, the present invention can be applied to a television.

  In addition, the recording / playback system according to the present embodiment includes a power management device 4 that manages the power consumption of the devices in the management area, and a recording / playback device 5.

  Therefore, according to the recording / reproducing system in the present embodiment, the power management device 4 and the recording / reproducing apparatus 5 operate in cooperation, so that it is possible to reduce power consumption in the management area.

<Embodiment 2>
Since the configuration of the functional block diagram of the recording / playback apparatus 5 in the present embodiment is the same as that in the first embodiment (FIG. 2), the description thereof is omitted.

  FIG. 4 shows a flowchart of the reproducing operation of the recording / reproducing apparatus 5 in the present embodiment. When an operation for instructing playback of a recorded program is performed in the operation input unit 61, the control unit 52 inquires of the power management apparatus 4 about the total power consumption via the I / F unit 51 and the home network 10 (step S1). S201).

  Then, the power management device 4 transmits the total power consumption to the recording / playback apparatus 5, and the control unit 52 acquires the total power consumption (step S202). Next, the control unit 52 determines whether or not the acquired total power consumption exceeds the threshold value X (step S203). It is assumed that this threshold value X is stored in advance in the storage unit 54 of the recording / reproducing apparatus 5, for example. The user can change the threshold value X by operating the operation input unit 61.

  When the total power consumption does not exceed the threshold value X, the control unit 52 instructs the reproduction unit 55 to reproduce the recorded program by normal reproduction (step S205). On the other hand, when the total power consumption exceeds the threshold value X, the control unit 52 instructs the reproduction unit 55 to reproduce the recorded program by summary reproduction (step S204).

<Effect>
The information acquired from the power management device 4 by the recording / playback device 5 in the present embodiment is the total power consumption of the devices in the management area, and the importance of the scene based on the magnitude of the total power consumption It is characterized by changing the standard of the above.

  Accordingly, by performing summary playback based on the total power consumption of the devices in the management area, a playback operation considering the power consumption of the entire management area is possible.

<Embodiment 3>
Since the configuration of the functional block diagram of the recording / playback apparatus 5 in the present embodiment is the same as that in the first embodiment (FIG. 2), the description thereof is omitted. In the recording / reproducing apparatus 5 in the present embodiment, the criterion of the importance of the scene when selecting the scene to be summarized and reproduced is divided into a plurality of stages. In the present embodiment, there are three levels of importance from 1 to 3, and the level of importance of a scene becomes stricter from 1 to 3. In the following, it is described that summary playback is performed with importance level 3 set as, for example, that summary playback is performed with importance level 3.

  The standard of importance is, for example, the intensity of an audio signal included in a broadcast signal. Strict importance level means that the intensity of the audio signal that is the standard of importance is set larger. That is, only scenes in which the intensity of the audio signal is greater than the intensity of the audio signal that is the reference for importance are reproduced. Therefore, when summary playback is performed with importance 3, playback time is shorter than when summary playback is performed with importance 1.

  In the present embodiment, the power saving level determined by the power management device 4 includes a plurality of levels. The power management device 4 determines the power saving level in four stages of 0 to 3 based on the total power consumption of the devices in the management area. In the power management apparatus, three threshold values A, B, and C (threshold A <threshold B <threshold C) are set in advance, and when the total power consumption is equal to or less than threshold A, the power saving level is determined to be 0. To do. Further, when the total power consumption is larger than the threshold A and equal to or less than the threshold B, the power saving level is determined to be 1. Further, when the total power consumption is greater than the threshold B and equal to or less than the threshold C, the power saving level is determined to be 2. When the total power consumption is larger than the threshold C, the power saving level is determined to be 3.

  FIG. 5 shows a flowchart of the reproducing operation of the recording / reproducing apparatus 5 in the present embodiment. When the operation input unit 61 performs an operation for instructing the reproduction of the recorded program, the control unit 52 inquires the power management device 4 about the power saving level via the I / F unit 51 and the home network 10 (step S301). .

  Then, the power management device 4 transmits the power saving level to the recording / playback apparatus 5, and the control unit 52 acquires the power saving level (step S302). Next, the control unit 52 determines whether the acquired power saving level is 0 to 3 (step S303).

  When the power saving level is 0, the control unit 52 instructs the reproduction unit 55 to reproduce the recorded program by normal reproduction (step S304).

  When the power saving level is 1, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance 1 (step S305). When the power saving level is 2, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance 2 (step S306). On the other hand, when the power saving level is 3, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance 3 (step S307).

  In the recording / reproducing apparatus 5, a case where the criterion of the importance level of the scene is not the three levels of 1 to 3, but is 10 levels of 1 to 10, for example. In this case, for example, the power saving level 1 may be associated with the importance level 2, the power saving level 2 with the importance level 5, and the power saving level 3 with the importance level 8, respectively.

<Effect>
In the recording / reproducing apparatus 5 in the present embodiment, the criterion of the importance of the scene is divided into a plurality of stages.

  Therefore, when the power saving level is composed of a plurality of levels, the playback time of the summary playback can be finely changed into a plurality of stages by setting the standard of the importance level of the scene according to the power saving level. Improved convenience.

  In the present embodiment, the power saving level is characterized by comprising a plurality of levels. Therefore, if the criterion of the importance level of the scene is divided into a plurality of stages, the playback time of the summary playback can be finely changed into a plurality of stages, thereby improving the convenience for the user.

<Embodiment 4>
In the present embodiment, as in the second embodiment, the recording / playback apparatus 5 acquires the total power consumption from the power management device 4, and performs normal playback or multiple stages according to the acquired total power consumption. Replay summary with importance. In the recording / reproducing apparatus 5 in the present embodiment, the standard of the importance of the scene is assumed to be three stages of 1 to 3 as in the third embodiment.

  In the recording / reproducing apparatus 5, it is assumed that three threshold values X, Y, and Z (threshold value X <threshold value Y <threshold value Z) corresponding to the total power consumption are stored in advance in the storage unit 54, for example.

  FIG. 6 shows a flowchart of the reproducing operation of the recording / reproducing apparatus 5 in the present embodiment. When an operation for instructing playback of a recorded program is performed in the operation input unit 61, the control unit 52 inquires of the power management apparatus 4 about the total power consumption via the I / F unit 51 and the home network 10 (step S1). S401).

  Then, the power management device 4 transmits the total power consumption to the recording / playback apparatus 5, and the control unit 52 acquires the total power consumption (step S402). Next, the control unit 52 determines whether or not the acquired total power consumption exceeds the threshold value X (step S403).

  If the total power consumption does not exceed the threshold value X, the control unit 52 instructs the reproduction unit 55 to reproduce the recorded program by normal reproduction (step S404). On the other hand, if the total power consumption exceeds the threshold value X, the process proceeds to step S405.

  In step S405, the control unit 52 determines whether or not the acquired total power consumption exceeds the threshold value Y. If the total power consumption does not exceed the threshold Y, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance 1 (step S406).

  On the other hand, if the total power consumption exceeds the threshold Y, the process proceeds to step S407. In step S407, the control unit 52 determines whether or not the acquired total power consumption exceeds the threshold value Z. If the total power consumption does not exceed the threshold value Z, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance level 2 (step S408). On the other hand, when the total power consumption exceeds the threshold value Z, the control unit 52 instructs the playback unit 55 to perform summary playback of the recorded program with importance 3 (step S409).

<Effect>
In the recording / reproducing apparatus 5 in the present embodiment, the criterion of the importance of the scene is divided into a plurality of stages.

  Therefore, by setting the criterion of the importance level of the scene at a plurality of stages, the playback time of the summary playback can be changed finely, so that the convenience for the user is improved.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

  DESCRIPTION OF SYMBOLS 1 1st apparatus, 2nd apparatus, 4 Power management apparatus, 5 Recording / playback apparatus, 10 Home network, 20 Power line, 51 Interface part, 52 Control part, 53 Reception part, 54 Storage part, 55 Playback part, 56 Video signal output terminal, 57 Audio signal output terminal, 58 Tuner section, 59 Antenna, 60 Display section, 61 Operation input section.

Claims (8)

A recording / playback apparatus disposed in the management area so as to be communicable with a power management device that manages power consumption of devices in the management area,
A storage unit for storing broadcast programs;
A playback unit for playing back the broadcast program stored in the storage unit;
With
The playback unit is capable of summary playback that plays back only a partial scene of the broadcast program stored in the storage unit, based on the importance of the scene,
Obtaining information based on the power consumption from the power management device,
The summary reproduction is performed based on the information,
Recording / playback device. The information is a total power consumption of the device in the management area,
Based on the magnitude of the total power consumption, the reference is changed,
The recording / reproducing apparatus according to claim 1. The information is a power saving level determined based on the total power consumption of the device in the management area,
The reference is changed based on the power saving level,
The recording / reproducing apparatus according to claim 1. The standard is divided into a plurality of stages.
The recording / reproducing apparatus according to claim 1. The power saving level comprises a plurality of levels,
The recording / reproducing apparatus according to claim 1. The information is acquired at regular intervals,
The recording / reproducing apparatus according to claim 1. The recording / playback apparatus is a television further comprising a tuner unit that receives a broadcast program and a display unit that displays playback in the playback unit.
The recording / reproducing apparatus according to claim 1. A power management device that manages the power consumption of the devices in the management area;
A recording / reproducing apparatus according to any one of claims 1 to 7;
Comprising
Recording / playback system.

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