JPH03173987A - Reproduction interval designating device for video acoustic equipment - Google Patents

Abstract

PURPOSE:To set a reproduction interval without requiring a complicated operation by comprising equipment so that the reproduction of the reproduction interval can be started by receiving a reproduction start signal from an operating part when the reproduction interval is changed. CONSTITUTION:When the reproduction interval is changed, a reproduction start point and a reproduction end point are changed with a mouse 113, and the operating part 101 stores the reproduction start point and the reproduction end point in a reproduction start point temporary storage part 103 and a reproduction end point temporary storage part 104. The reproduction interval to be changed is erased with a reproduction interval storage part 105, and a changed reproduction interval is stored in the storage part 105 newly. An interval inspecting part 106 transmits an interval display signal to an interval display control part 107 when the reproduction interval is included in a recording interval, and makes the control part 107 display the reproduction interval. An operator makes the operating part 101 transmit a reproduction start signal. A reproduction control part 108, after receiving the signal, starts the reproduction of the changed reproduction interval.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a video/audio equipment playback section specifying device that can easily specify a playback section of video and audio.

Conventional technology In recent years, multi-window systems such as personal computers have become compatible with multimedia, which controls audiovisual equipment such as video tape recorders and laser discs, outputs images to bitmap displays, etc., and outputs audio from speakers. Systems are now being actively created.

Therefore, audiovisual equipment playback section specifying devices that specify playback sections of video, audio, etc. have become widely available.

FIG. 3 is a block diagram of a conventional audiovisual equipment playback section designation device. In FIG. 3, reference numeral 301 denotes an operation unit including a mode switching key, a playback start key, a playback stop key, numeric keys,
It has special symbol keys.

A mode specification, a reproduction start time and an end time are accepted manually, and a reproduction start signal is transmitted by inputting a reproduction start key, and a reproduction stop signal is transmitted by inputting a reproduction stop key to a reproduction control unit 307, which will be described later. Reference numeral 302 denotes a setting mode switching unit that determines the mode manually input from the operation unit 301 and selects the playback start time setting unit 303 or the playback end time setting unit 3 (1).
4, and transmits a time display instruction signal and the set time manually entered from the operation unit 301 to each of them. This setting mode switching section 302 is activated by the operation section 301.

The playback start time setting section 303 is connected to the setting mode switching section 302.
After receiving the playback start time and time display instruction signal from the controller 301 and storing the playback start time manually entered by the operation unit 301, a display request signal is transmitted to the time display control unit 306. This playback start time setting section 303 is connected to the setting mode switching section 30.
It is activated by 2. The playback end time setting section 304 receives the playback end time and the time display instruction signal from the setting mode switching section 302, stores the playback end time input from the operation section 301, and sends a display request signal to the time display control section 306. do. This playback end time setting section 304 is activated by the setting mode switching section 302. The playback time display instruction unit 305 stores the playback time transmitted from the playback control unit 307 as needed, and transmits a playback time display request signal to the time display control unit 306. This playback time display instruction unit 305 is activated by the playback control unit 307. As described above, the time display control section 306 includes the playback start time setting section 303, the playback end time setting section 304, and the playback time display instruction section 30.
5 receives the display request signal from 5, and controls the display 308 to display the playback start time, playback end time, and playback time stored respectively. This time display control section 306
are the playback start time setting section 303 and the playback end time setting section 30.
4 and the playback time display instruction section 305. When the playback control unit 307 receives a playback start signal from the operation unit 301, it starts controlling the audiovisual equipment 31 (l) that plays the playback section, controls the output of the played video signal and audio signal, and issues a playback stop signal. When received, the playback of the audiovisual equipment 310 is stopped.This playback control unit 307
is activated by The audiovisual equipment 310 is the playback control unit 3
07, the video and audio of the specified section are played back. The display 308 displays the playback start time, playback end time, and playback time, and also receives the video signal whose output is controlled by the playback control unit 307 and displays the video. Further, the speaker 309 receives an audio signal from the reproduction control unit 307 and outputs audio. In reality, various other components are required in order to realize the repeat playback function, etc., but they are not the main focus of the present invention and will therefore be omitted.

The operation of the conventional audiovisual equipment playback section specifying device configured as described above will be described below.

(1) The operator selects a mode using the operation unit 301 to specify a reproduction section. In the case of setting the playback start time, input the mode key for setting the playback start time. In the case of setting the playback end time, input the mode key for setting the playback end time.

(2) In response to the above operation, the setting mode switching unit 302
Depending on the mode selected by the operator, a reproduction start time setting section 303 and a reproduction end time setting section 304 are activated.

(3) The operator manually enters the playback start time and playback end time using the numerical keys of the operation section (4) (5) (6) (7) (8) 3Gl in order to input the playback section.

In response to the above operation, the setting mode switching unit 302 performs (2)
A time display instruction signal and a time display instruction signal are sent to the playback start time setting section 303 and playback end time setting section 304 activated by the operation section 30.
Send the set time input from 1.

The playback start time setting unit 303 and playback end time setting unit 3Q4 activated in (2) temporarily store the playback start time and playback end time when inputted from the operation unit 301.

Playback start time setting section 303, playback end time setting section 304
The reproduction time display instruction section 305 transmits a display request signal to the time display control section 306 in order to display the reproduction start time, reproduction end time, and reproduction time on the display 308.

The time display control unit 306 displays the playback start time, playback end time, and playback time on the display 308.

After setting the playback start time and playback end time, the operator inputs a playback key to start playback.

(9) The playback control unit 307 receives a playback start signal from the operation unit 301 and starts up the audiovisual equipment 310.

In addition, the audiovisual equipment 30 is configured to play the playback section specified by the playback start time and playback end time stored in the playback start time setting section 303 and the playback end time setting section 304.
Control G. Also, while controlling the output of the output video and audio, the video is displayed on the display 308 and the audio is output from the speaker 309.

The specific operation of the conventional playback section setting device that operates as described above will now be described. FIG. 4 is a schematic diagram showing an example of a process of partially reproducing video and audio recorded on a recording medium using a conventional reproduction section setting device. Here, the operation section includes a start time setting key, an end time setting key, a playback start key, and alphanumeric keys (:, 0. 1.
2. 3. 4. 5゜6, 7. 8. 9).

As shown in FIG. 4, it is assumed that videos and sounds of cows, dogs, and monkeys are recorded on a recording medium.

If the operator wants to play the dog's video and bark, (lO) the operator presses the playback start time setting key on the operation panel and manually inputs the playback start time (0:30) using the numerical keys. The operator's operation on the operation panel (operation unit) activates the playback start time setting section 303, transmits a time display instruction signal, and stores the playback start time in the playback start time setting section 303. Playback start time setting section 30
3 transmits a set time display request signal to the time display control unit 306. The time display control unit 306 receives the display request signal and displays the playback start time (0:30) on the display 308.

(11) The operator presses the playback end time setting key on the operation panel and manually enters the playback end time (0:40) using the numerical keys. The operator's operation on the operation panel (operation unit) activates the playback end time setting section 304, transmits a time display instruction signal, and stores the end time in the playback end time setting section 304. The playback end time setting section 303 transmits a display request signal for the set time to the time display control section 306. The time display control unit 306 receives the display request signal and displays the playback start time (0:40) on the display 308.

(12) In (10) and (11), playback start time and
The end time is displayed on the display 308. with this,
The setting of the playback start time and end time of the recording medium in which the dog's video and barking are recorded has been completed.

(13) When the operator presses the playback start key, a playback start signal is transmitted from the operation unit 301. Playback control section 307
receives the playback start signal and starts controlling the audiovisual equipment 310. On the other hand, the playback time display instruction section 305 stores the playback time sent from the playback control section 307 as needed, and sends a display request signal to the time display control section 306. Time display control section 3
06 displays the playback time on the display 308.

(14) In (12) and (13), display 3
08, a dog image is displayed, and the speaker 309 enters a playback state in which the dog's bark is output.

If the operator wants to change the playback of the cow's video and barking, (15) the operator presses the playback stop key to stop playing the dog's video and barking.

(16) The operator repeats the operations (10) to (14) again.

Problem to be Solved by the Invention In the conventional audiovisual equipment playback section designation device, as explained in the above-mentioned specific example, when setting the section, the mode for inputting the start time and end time must be switched by operating the operation panel. It needed to be done. Therefore, the setting operation was complicated and the operator was prone to erroneous operation.

The present invention solves the above-mentioned problems that the conventional audiovisual equipment playback section specifying device had, and provides a playback section setting device that allows an operator to set a playback section without complicated operations. The purpose is to

Means for Solving the Problems In order to solve the above problems, the audiovisual equipment playback section designation device of the present invention allows a coordinate designation device such as a mouse to set a recording section, a playback start point, and a playback end point. an operation section for storing values in a recording section storage section, a playback start point temporary storage section, and a playback end point temporary storage section, changing setting values, selecting a playback section, and transmitting a playback start signal and a playback stop signal; A section checking unit that checks whether a playback section is included in the section, transmits a section display signal when it is within the recording section, and deletes the corresponding playback section from the playback section storage section when it is outside the recording section. and a playback control unit that puts the audiovisual equipment into a playback standby state for the playback section selected by the operation unit, starts playback in response to a playback start signal from the operation unit, and stops playback in response to a playback stop signal. It is something that

Effects With the above-described configuration, when the playback section is changed by operating a coordinate specifying device such as a mouse on the operation unit, the section inspection section inspects the playback section again, and if it is within the recording section, transmits a section display signal, The section display control section displays the playback section, and when the changed playback section is selected by the operation section,
The playback control section puts the playback section into a playback standby state, and upon receiving a playback start signal from the operation section, the playback control section enables the playback control section to start playback of the playback section.

Embodiment Hereinafter, one embodiment of the audiovisual equipment playback section designation device of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of an audiovisual equipment playback section designation device according to an embodiment of the present invention. In FIG. 1, reference numeral 101 denotes an operation section for setting and changing recording sections and playback sections. The operation unit 101 uses a coordinate specifying device such as a mouse or an electronic pen 113 as a device for setting the section. Furthermore, a reproduction start signal and a reproduction stop signal are transmitted by operating a coordinate specifying device or the like.

A recording section storage section 102 stores the recording section set by the operation section 101. Reference numeral 103 denotes a playback start point temporary storage unit that temporarily stores the playback start point of the playback section set or changed by the operation unit 101. Reference numeral 104 denotes a playback end point temporary storage unit that temporarily stores the playback end point of the playback section set or changed by the operation unit 101.

Reference numeral 105 denotes a playback section storage section, which includes a playback start point temporary storage section 10.
3. Store a large number of pairs of playback start points and playback end points temporarily stored in the playback end point temporary storage unit +04, and
When the playback section is changed in step 1, the previous playback section is erased and a new playback section is stored again. IO
As the memory elements of IO2, 103, IO2, and 105, for example, a memory of a personal computer or the like is used. +06 is a section inspection section that checks whether the playback section selected by the operation section 101 is included in the recording section, and if it is within the recording section, it transmits a section display signal, and if it is outside the recording section, it stops playing the section. The section is deleted from the playback section storage section 105.

Reference numeral 107 denotes a section display control unit that controls the display of recording sections and the reproduction section after receiving the section display signal.

Reference numeral 108 denotes a playback control unit, which sets the audiovisual equipment +10 to a playback state for the playback section selected by the operation section lot, starts playing the playback section by receiving a playback start signal from the operation section +01, and starts playing the playback section. While the time point is stored as needed, the reproduction time point display control section 109 is activated. Furthermore, when a playback stop signal is received, when the playback end point is reached, or when the playback section is changed using the operation unit 101 during playback,
Stop playback.

A playback point display control section 109 displays the playback point stored in the playback control section 108. An optical disc recorder is used as the audiovisual equipment +10, and an optical disc is used as the information recording medium. 111 is a display, and 112 is a speaker.

In reality, various other components are required in order to realize the repeat playback function of the playback section, but they are not the main focus of the present invention and will therefore be omitted.

The operation of the audiovisual equipment playback section designation device of this embodiment configured as described above will be described below.

(1) In order to reproduce desired video and audio, the operator places the optical disc on which video and audio are recorded on the optical disc recorder 110.

(2) (3) (4) (5) Then, use the mouse 113 to set the recording section and playback section.

In response to the above operation, the recording section, playback start point, playback end point, and playback section set by the operation unit 101 are stored in the recording section storage section 102, the playback start point temporary storage section 103, the playback end point temporary storage section 104, and the playback section. It is stored in the section storage unit 105.

The section checking unit 106 checks whether the reproduction section is included in the recording section. When the recording section includes a playback section, a section display signal is transmitted to the section display control section 107 to cause the section display control section 107 to display the playback section.

The operator selects a reproduction section to be reproduced from among the displayed reproduction sections using the operation section 101. The playback control unit 108 puts the optical disc recorder 110' into a playback standby state so that the selected playback section can be played back.

The operator presses the operating section 1 by operating the mouse +13 to start playing the playback section that is in the playback standby state.
01 to transmit a reproduction start signal.

(6) After receiving the playback start signal, the playback control unit 108 starts playing the playback section, and the display 111 and speaker +12 output video and audio.

(7) The reproduction point display control section 109 displays on the display 111 the reproduction time point of the reproduction section being reproduced by the reproduction control section 108 .

(8) Playback ends.

When changing the set playback section: (9) When changing the playback section, change the playback start point and playback end point using the mouse 113, and the operation unit 101 stores the playback start point temporary storage section 103 and the playback end point temporary storage section. The playback start point and playback end point are stored in section +04.

(10) The changed playback section is deleted from the playback section storage section 108, and the changed playback section is newly stored in the playback section storage section +08.

(11) The section checking unit 106 checks whether the playback section is included in the recording section. When the recording section includes a playback section, the section display signal is sent to the section display control section 107.
and causes the section display control unit 107 to display the playback section.

(I2) The operator selects the changed reproduction section using the operation section 101. The playback control unit +08 controls the optical disc recorder 110 to play the selected playback section.
is in playback standby mode.

(13) The operator causes the operation unit +01 to transmit a reproduction start signal by operating the mouse +13.

(14) After receiving the playback start signal, the playback control unit 108
starts playing the changed playback section, and the display 111 and speaker +12 output video and audio.

(15) The playback point control unit 109 displays the playback time point of the playback section being played back by the playback control unit 108 on the display Ill.

The specific operation of the audiovisual equipment playback section specifying device of this embodiment, which operates as described above, will now be described. FIG. 2 is a schematic diagram showing an example of the process of changing the playback section by the audiovisual equipment playback section specifying device of this embodiment. Here, the audiovisual equipment is an optical disc recorder. Also,
It is assumed that the contents of the images and sounds recorded on the information recording medium are those of a lion, a zebra, and an elephant.

(16) Now assume that the playback section is in the state shown in FIG. 2(a). Assume that the content being played back is a lion. In the section display example, 201 is the recording start point, 202
203 shows the recording end point, 203 shows the playback start point, 204 shows the playback end point, and 205 shows the playback time point.

(17) If the operator wants to change the content of the playback from a lion to an elephant, the operator selects the playback start point 200 using the mouse 113.
(0:25) is changed to 213 (0:45), and the playback end point 204 (0:35) is changed to 214 (0:55). Thereby, the playback start time can be changed from (0:25) to (0:35), and the playback end time can be changed from (0:45) to (0:55).

(18) Operation unit +01 has a playback start point of 0:45 and a playback end point of O:55, and the playback start point temporary storage unit 103 has O:45 and the playback end point temporary storage unit 104 has O:
55 are stored respectively.

(19) The playback section storage unit 105 stores the playback start point O:25.
, the playback section stored with the playback end point 0=35 is deleted and changed to the playback section with the playback start point 0:45 and the playback end point O:55.

(20) The section inspection unit +06 checks the changed playback section (0
: 45-0 : 55) is the recording section (000-2:
00). In this case, since the recording section includes the playback section, the section display signal is transmitted.

(21) After receiving the section display signal, the section display control unit 107 displays the playback section on the display 111.

(22) The display result is as shown in FIG. 2(b).

Here, 2+1 is the recording start point, 212 is the recording end point, and 2
15 indicates the playback time point.

(23) At this time, the reproduction control unit +08 enters a reproduction standby state.

(24) Use the mouse 113 to cause the operation unit 101 to transmit a playback start signal, and when the playback control unit 108 receives the signal, start playing the playback section.

(25) The image and audio of the elephant desired by the operator are output from the display and speaker +12.

With conventional audiovisual equipment playback section designation devices, operators are forced to perform complicated operations such as setting the playback start point and playback end point, switching modes, and inputting the playback start time and playback end time. In the playback section specifying device of this embodiment, the playback section can be easily changed by changing the playback section displayed by the section display control section using a mouse.

Effects of the Invention As described above, according to the present invention, the playback section can be changed simply by specifying the playback start point and playback end point using a coordinate specifying device such as a mouse, which is different from the conventional method of specifying a playback section on audiovisual equipment. This eliminates the need to switch between section setting modes in the device, and the device itself becomes easier to operate, which has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of an audiovisual equipment playback section designation device according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an example of a process of changing a playback section by the audiovisual equipment playback section designation device.
FIG. 3 is a block diagram of a conventional audiovisual equipment playback section specifying device, and FIG. 4 is a schematic diagram showing an example of a process of changing a playback section using the conventional audiovisual equipment playback section specifying device. 101... Operation unit, 102... Recording section storage unit, 1
03... Playback start point temporary storage section, 104... Playback end point temporary storage section, 105... Playback section storage section, +06
... section inspection section, +07 ... section display control section, 10
8... Playback control unit, +09... Playback point display control unit, 110... Audiovisual equipment (optical disk recorder)
, +13...Coordinate designation device (mouse).

Claims (1)

[Claims] 1. A recording section of video and audio recorded on an information recording medium by an audiovisual device that can be controlled by a personal computer, etc., and a playback section for playing back the video and audio recorded in the recording section using a mouse, etc. an operating section for setting and changing settings, selecting a playback section, and transmitting a playback start signal and a playback stop signal by operating the coordinate specifying device; a recording section storage section for storing recording sections; and a recording section storage section for storing recording sections; a playback start point temporary storage section that temporarily stores the playback start point that has been set, and a playback end point temporary storage section that temporarily stores the playback end point that is paired with the playback start point stored in the playback start point temporary storage section; The playback start point and playback end point temporarily stored in the playback start point temporary storage section and the playback end point temporary storage section are stored without duplication, and the changed playback section and the previous playback section are erased. Later, it is checked whether the playback section to be newly stored and the playback section stored in the playback section storage section are included in the recording section, and if it is within the recording section, a section display signal is sent and the recording is started. A section inspection section deletes the playback section from the playback section storage section when the section is outside the section, and puts the audiovisual equipment into a playback standby state for the playback section selected by the operation section, and starts playback upon receiving a playback start signal for the playback section. A playback device that starts playing a section, memorizes the playback point at any time, and stops the playback when a playback stop signal is received, when the playback end point is reached, or when the playback section is changed by the operation unit during playback. a control unit;
A video comprising: a section display control section that controls display of recording sections and a playback section after receiving a section display signal; and a playback point display control section that controls display of playback points stored in the playback control section. Audio equipment playback section designation device.