JP2935788B2 - TV receivers and audiovisual systems - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver and an audiovisual system for processing video and audio information, and more particularly, to temporarily stopping a broadcasted program while receiving the program. The present invention relates to a system capable of performing delay, rewind, compression, editing, and the like.

[0002]

2. Description of the Related Art Video tape recorders, audio tape recorders and the like are known and widely used for recording and reproducing video and audio signals. However, the tape recorder cannot simultaneously reproduce from an arbitrary position on the tape while recording on the same tape.

For example, while watching a television program, it may be necessary to interrupt the viewing for a short time (for example, several minutes) for another task, for example, a telephone call. With a video tape recorder, the rest of the program can be recorded and viewed later. However, in this case, you have to wait until the program ends. This is particularly inconvenient when the remaining time of the program is long. It is also inconvenient if the viewer wants to watch a series of programs in the order in which they are broadcast and with as short a delay as possible.

[0004] A similar problem occurs when the viewer is delayed a short time (several minutes) from the time at which the broadcast of the television program starts. This is particularly a problem when the program is desired to be watched as soon as possible, such as a news program.

Another problem with video tape recorders is that during the reception of a program, certain scenes may be played for some reason (for example, if they do not look good or if you want to watch them again for other reasons). However, it is not possible to continue watching the program being broadcast thereafter.

As a moving picture delay device for a broadcasting station, a technical report of the Institute of Television Engineers of Japan, Vol. 12, No. 39, p.
There is one described in "Random video delay device using magneto-optical disk".

FIG. 1 shows this conventional moving picture recording and reproducing apparatus. This moving image recording / playback apparatus includes a recording processing circuit 1
And a control circuit 2 for a moving image delay device, a recording / reproducing device 3 including first and second recording / reproducing disk devices 4a and 4b and a switch 5, and a reproduction processing circuit 6. Details of the recording / reproducing disk device 4a are shown in FIG.
As shown, the recording / reproducing disk device 4a includes a recording amplifier 7, a recording optical head 8, an optical disk 9 having a recording track 10, a reproducing optical head 11, and a reproducing amplifier 12
And a disk / pickup servo circuit 13.

Referring again to FIG. 1, the input video signal Vin and the input audio signal Ain are converted by the recording processing circuit 1 into a recording signal REC having the signal spectrum shown in FIG. This signal spectrum is similar to that used for recording on an optical video disk (also called a laser disk).
The recording signal REC is, in accordance with a control signal from the control circuit 2,
Recording / reproducing disk devices 4a and 4b of the recording / reproducing device 3
Recorded in one or both of The signals recorded by the disk devices 4a and 4b are reproduced as reproduction signals PBa and PBb in accordance with a control signal from the control circuit 2, selected by the selection circuit 5, and reproduced as a reproduction signal PB. These are subjected to reproduction processing by the reproduction processing circuit 6 and output as an output video signal Vout and an output audio signal Aout.

Referring to FIG. 2, the operation of the recording / reproducing disk device 4a during recording and reproduction will be described in detail. The recording signal REC is amplified by the recording amplifier 7 and recorded on the optical disk 9 by the recording optical head 9 to form a spiral recording track 10. The signal recorded on the recording track 10 is detected by a reproduction optical head 11, amplified by a reproduction amplifier 12, and output as a reproduction signal PB. The disk / pickup servo circuit 13 controls the rotation of the optical disk 9, the position of the recording optical head 8, and the reproduction optical head 11.

Assume that a signal similar to the signal recorded on the optical video disc is recorded on the optical disc. The spiral track starts from the inner circumference of the optical disc 9 and extends toward the outer circumference. A track consists of multiple turns. Each turn is also called a track. Tracks (turns) are consecutive numbers in order from the inside, for example, No. 1
No. 12,000. Further, each track is divided into segments consisting of half of each track. Segments are identified by A and B subscripts. Therefore, track 1
0 indicates 1A, 1B, 2A, 2B, 3A, 3B,... As shown in FIG.
Divided into 12,000A and 12,000B. FIG. 4 shows a state where recording on the track segment 3A by the recording optical head 9 and reproduction from the track segment 2B by the reproduction optical head 11 are started simultaneously. Such reproduction is the earliest, that is, reproduction with a minimum time delay after recording.

The recording head 9 moves from the outermost track to
Since it takes a certain amount of time to move to the innermost track, two recording / reproducing disk devices 4a and 4b are provided, and when one of the disk devices performs recording near the outer edge of the disk, It is effective to perform recording on the other disk. Such overlap recording ensures continuity of the recording signal and continuity of reproduction.

Further, by providing two recording / reproducing disk devices, the recording time, that is, the time for delaying the reproduction can be doubled. If each recording / reproducing disk device has a one-hour recording capacity, a recording / reproducing device with two recording / reproducing disk devices can record a program of two hours, or can reproduce a broadcasted program for up to two hours. Can be delayed.

[0013]

As described above, as described above,
Conventional home video and audio recording apparatus, for example, in the combination of the television receiver and the video tape Purekoda, temporary suspension of program being broadcast, delay, reversal can not perform compression. Therefore, when a viewer has to leave the television set for errands, for example to receive a call,
The program can be recorded using a video tape recorder, but cannot be reproduced until the program ends. Further, in the conventional moving image recording / reproducing apparatus, each unit cannot simultaneously record two or more programs.

Further, the conventional moving picture recording / reproducing apparatus is intended for use in a broadcasting station, and the above function cannot be obtained only by connecting the apparatus to a television receiver.

The present invention has been made to solve the above problems.

An object of the present invention is to provide an apparatus capable of controlling the progress of a program at the convenience of a viewer.

It is another object of the present invention to provide an apparatus capable of temporarily holding, delaying, reversing, compressing and editing a program being broadcast.

It is another object of the present invention to provide an apparatus capable of recording a plurality of programs broadcast simultaneously, that is, recording television signals of a plurality of channels broadcast simultaneously.

Still another object of the present invention is to provide an apparatus capable of recording and reproducing a plurality of broadcast programs in a desired order.

[0020]

Television receiver or audiovisual system of the present invention SUMMARY OF] The television receiver means to receive a television signal including a video and audio signals broadcasted program
And a TV signal received by the TV receiving means.
Recording means for recording on a recording medium accessible to a computer and said recording
Means for converting the television signal being recorded on the recording medium
Recording / reproducing means comprising reproducing means capable of reproducing from the time point
A stage, and the image display means to display an image represented by the video signal of the reproduced television signal, and an audio output <br/> means to output the sound represented by the audio signal of the reproduced television signal, the it is obtained by a control input hand stage for controlling the stopping of the reproduction by the recording and reproducing apparatus and resume.

[0021] recording and reproducing apparatus, normally to perform the reproduction immediately or a predetermined time delay after recording, after a change of mode of reproduction is requested by the operation of the control input hand stage, the control input hand stage it is desirable to provide a control hand stage for causing the reproduction according to the operation.

It is also desirable that the television receiving means be capable of simultaneously selecting two or more channels, and that the recording / reproducing apparatus be capable of simultaneously recording television signals of two or more channels.

[0023]

Since the above-mentioned television apparatus and video / audio system have the ability to record and reproduce at the same time, while receiving a program being broadcast, it records and reproduces the program and temporarily stops the program from proceeding. It can be restarted. This provides a temporary memory for shifting the progress of the broadcasted program at an arbitrary time according to the user's convenience.
There Shi can be used as a buffer. In addition, by performing the "jump", accelerate the progress of the program (that is, omit the playback of the interest-free portion of the program proceeding) with this, or the back part of the program carried out the (backward jump) It is also possible to see again.

[0024]

Embodiment 1 FIG. 5 shows a television receiver according to an embodiment of the present invention. As shown in the figure, the television receiver includes a recording processing circuit 1, a control circuit 2, a recording / reproducing device 3 for recording / reproducing a television signal including video and audio signals, and an antenna for receiving a broadcast television signal. 21, a TV tuner 22 for selecting a TV signal of a desired channel, and an operation unit 23
, A video circuit 24, a television picture tube (CRT) 25,
An audio circuit 26 and speakers 27a and 27b are provided.

The recording / reproducing apparatus 3 is the same as FIG. 2 showing one of the recording / reproducing disk apparatuses 4a and 4b in the conventional system. However, the disk used in the present invention is desirably a directly rewritable (overwriteable) magneto-optical disk. Such a directly rewritable magneto-optical disk is described, for example, in Nikkei Electronics No. 506 (1990).
(August 6, 2008), a paper entitled "Developing an overwritable magneto-optical disk and realizing it with almost the same equipment as the current standard." This magneto-optical disk utilizes a phase change, and can be used with an optical pickup optical system that is substantially the same as a write-once optical memory. In the phase change type recording, different crystalline states are generated depending on whether the recording medium is gradually cooled or rapidly cooled after being heated. This recording method has a feature that it is compatible with the current CD (compact disc).

The control circuit 2 used in this embodiment can cause the recording / reproducing device 3 to perform a reproducing operation in either the first mode (follow-up reproduction mode) or the second mode (non-follow-up reproduction mode).

In the follow-up reproduction mode, the television signal just recorded is reproduced. For example, at all times (when the power is turned on), reproduction is performed immediately after recording (with a minimum delay time) or with a predetermined delay time, and after a change in the reproduction mode is requested by the operation of the operation unit 23. The reproduction can be performed according to the operation of the operation unit. Operations that can be performed by operating the operation unit 23 include stopping and restarting playback, jumping forward, and jumping backward. In the follow-up playback mode, the playback delay time for recording the received television signal is stored,
When a forward jump longer than the delay time is requested, the received television signal is returned to a state where the received television signal is reproduced immediately after recording or with a predetermined time delay. As a result, signals other than the television signal recorded immediately before are not reproduced.

In the non-follow-up playback mode (conventional VT
Playback is performed according to the operation 23 of the operation unit or under the control of a schedule circuit 35 described later.

Switching between the follow-up playback mode and the non-follow-up playback mode can be performed by the operation unit 23. Normally (when the power is turned on), the mode is set to the follow-up playback mode, and the mode can be switched to the non-follow-up playback mode by operating the operation unit 23.

As the operation unit 23, for example, a remote control (remote control unit) 28 shown in FIG. 6 is used. This remote control 28 has the following keys.

(A) "TV-PAUSE": This key is used to stop or restart playback of a recorded program. If this key is pressed during playback, playback will stop,
If this key is pressed while stopped, playback is resumed.

(B) "SKIP": This key is used to give an instruction to skip a part (forward or backward) during reproduction of a program. The jump time is specified using another key.

(C) Numeric keys "1" to "12" are used for inputting a numerical value, for example, a jump time during reproduction of a program.

The numeric keys are also used to specify a channel number.

(D) "m": This key is used to input "minute".

(E) "-": This key is used to input a negative sign. For example, it is used together with the numeric keys "1" to "12" and the "m" key to indicate a negative time. "SKI
When used with the "P" key, a jump in the reverse direction is commanded.

(F) "ENTER": This key is used to enter a set of data input to another key. Pressing this key after a set of keys has been pressed will enter the data.

The remote controller 28 also has other keys, but these are the same as those of a well-known operation unit, and a description thereof will be omitted.

The broadcasted television program is received by the antenna 21 and the tuner 22. The tuner 22 selects a television signal of the selected channel by using a control key of the operation unit 23. Selected channel input video signal Vi
n and the input audio signal Ain are output from the tuner 22 and input to the recording processing circuit 1. The input video signal Vin and the input audio signal Ain are converted into a recording signal REC having a signal spectrum similar to the signal recorded on the optical video disc. The converted signal is recorded in the recording / reproducing device 3.

The signal recorded in the recording / reproducing device 3 is immediately reproduced by the reproduction processing circuit 6, and the output video signal Vout
And an output audio signal Aout. The output video signal Vout is supplied to the CRT 26 through the video circuit 24,
Converted to video. The output audio signal Aout is supplied to the speakers 27a and 27b through the audio circuit 26, and is converted into audio. The program of the channel selected in this way is output from CRT 25 and speakers 27a and 27b.

In the recording-following reproduction mode, when reproduction is performed with a minimum delay time, the time (delay) between recording and reproduction is about a fraction of a second. That is, tuner 2
The program received in 2 is displayed after a delay time of about a fraction of a second. The extent of the delay is not a lot of case problems.

Assume that a viewer watching a television program has to move away from the television receiver for errands, for example, to receive a telephone call. For the sake of simplicity, it is assumed that the operation unit 23 is constituted by a remote controller 28 shown in FIG. Before leaving the television receiver, the viewer presses the “TV-PAUSE” key on the remote control 28. Thus, the progress of the program can be stopped. After the errand,
To resume the program, press the "TV-PAUSE" key again. Then, the reproduction of the program is resumed. This playback starts from the point where the progress of the program is stopped. Therefore, the viewer does not miss the portion broadcasted while away from the television receiver.

When the user wants to speed up the progress of the program by, for example, jumping three minutes while watching the resumed program, the user can select "SKI
Press the key in the order of "P", "3", "m", "ENTER". Such a jump is, for example, a commercial message (C
This is performed when there is a part M) or a part that is not interesting. If a jump time (for example, 6 minutes) longer than the reproduction delay time for recording (for example, 5 minutes) is specified, the jump is made by the actual delay time (5 minutes).

A control signal generated when the “TV-PAUSE” key is pressed is transmitted from the operation unit 23 to the control circuit 2. By this control signal, the disc /
The pickup servo circuit 13 is controlled. When the "TV-PAUSE" key is pressed during playback to stop the recording, the recording optical head 8 continues to record the recording signal REC along the track, while the "TV-PAUSE" key is pressed on the reproducing optical head 11. Stay where you were. As an example, the recording optical head 9 starts recording the track segment 3A, and the reproducing optical head 11
Starts playing from track segment 2B, the message "TV-P
Suppose the "AUSE" key is pressed. The recording optical head 9 continues recording with the track segments 3A, 3B, 4A, 4B,.
Repeat playback from B, 2A, 2B, ... When the "TV-PAUSE" key is depressed again to release the stop state, the reproduction optical head 11 remains at the position where the reproduction optical head 11 was left, ie, the track segment
Playback proceeds in the order of 2A, 2B, 3A, 3B,... When the control signal for the jump is input (along with the signal indicating the time of the jump), the corresponding number of track segments are skipped, and the reproduction is continued from that position.

"SKIP", "-", "3", "m", "ENTE"
By pressing the key in the order of "R", the program will be
You can fly backwards, that is, go back. This feature is used when the viewer has not watched a part of the program, did not watch it well, or wants to watch it again.

The television receiver of the above embodiment capable of simultaneously performing recording and reproduction has the following advantages. For example, by using the pause function, the viewer can temporarily stop the program while receiving the program. Thus, when the user has to interrupt the viewing of a program to receive an errand, for example, to receive a telephone call, the progress of the program is stopped before leaving the television receiver, and the progress of the program is resumed after returning to the television receiver. And the part broadcasted while away from the television receiver is not missed. The viewer can also compress the program by using the jump function. In the above embodiment, the recording optical head and the reproducing optical head are arranged to face each other as shown in FIG. However, a different arrangement may be used. Further, the recording / reproducing device 3 may be provided with an erasing head or the like for facilitating rewriting.

Embodiment 2 FIG. 7 shows another embodiment of the present invention. The same reference numerals as in FIG.
Identical or corresponding circuits or components are shown. The antenna 21, the video circuit 24, the CRT 25, the audio circuit 26 in FIG.
The speakers 27a and 27b, the control circuit 2, and the operation unit 23 are omitted. The control line from the control circuit 2 is also omitted. In this embodiment, the switches 32a and 32b
Is added.

The switch 32a outputs the output Vi from the tuner 22.
n or the output Vout from the reproduction processing circuit 6 is selected and output to the video circuit 24. The switch 32 b selects the output Ain from the tuner 22 or the output Aout from the reproduction processing circuit 6 and outputs the same to the audio circuit 24. The switches 32a and 32b are controlled by the control circuit 2 that operates according to manual input from the operation unit 23. When the switch 32a selects the output Vin of the tuner 22, the switch 32b also selects the output Ain (related to Vin) of the tuner 22, and the switch 3
When 2a selects the output Vout of the reproduction processing circuit 6, control is performed so that the switch 32b also selects the output Aout (related to Vout) of the reproduction processing circuit 6. In this way, the associated video and audio signals, Vin and Ain or Vout and Aout, are switched by the switches 32a and 3
2b is supplied to the video circuit 24 and the audio circuit 26.

When the configuration shown in FIG. 7 is used, the outputs Vin and Ain of the tuner 22 can be supplied directly to the video and audio circuits 24 and 26, that is, without recording / reproducing by the recording / reproducing device 3. . That is, when recording and reproduction are not required, the switches 32a and 32b are connected to the tuner 22.
Output Vin and Ain of the video and audio circuits 24 and 2
Connect to 6. In such a direct transmission mode,
Recording processing circuit 1, recording / reproduction device 3, and reproduction processing circuit 6
Need not be powered. Therefore, means for interrupting the power supply to these in the direct transmission mode may be provided.

The operation when switches 32a and 32b connect the outputs Vout and Aout of reproduction processing circuit 6 to video circuit 24 and audio circuit 26 is the same as that described with reference to FIG.

Embodiment 3 FIG. 8 shows another embodiment of the present invention. The same reference numerals as in FIG.
Identical or corresponding circuits or components are shown. As in FIG. 7, the antenna 21, the video circuit 24, the CRT 25 in FIG.
The audio circuit 26, the speakers 27a and 27b, the control circuit 2, and the operation unit 23 are omitted. The control line from the control circuit 2 is also omitted.

The tuner 22 of this embodiment selects television signals of a plurality of channels (in other words, a plurality of programs),
The television signal of the selected channel can be output. In the illustrated example, the television signals of the two channels are simultaneously selected, and the video signal Vin1 and the audio signal Ain1 of the first selected channel and the video signal Vin2 and the audio signal Ain2 of the second selected channel are selected. Output together. Instead of the single recording processing circuit 1 of FIGS. 5 and 7, a pair of recording processing circuits 1a and 1b is provided.

The recording / reproducing apparatus 3 of this embodiment can record a two-channel television signal.

The switch 32a outputs the output Vi from the tuner 22.
One of n1 and Vin2 and the output Vout of the reproduction processing circuit 6 are selected and output to the video circuit 24. The switch 32b selects one of the outputs Ain1 and Ain2 from the tuner 22 and the output Aout of the reproduction processing circuit 6 and outputs the selected signal to the audio circuit 26. The switches 32a and 32b are controlled by the control circuit 2. When the switch 32a selects the output Vin1 of the tuner 22, the switch 32b also outputs the output of the tuner 22.
When Ain1 (related to Vin1) is selected and the switch 32a selects the output Vin2 of the tuner 22, the switch 32
b also selects the output Ain2 of the tuner 22 (related to Vin2), and when the switch 32a selects the output Vout of the reproduction processing circuit 6, the switch 32b also selects the output Ao of the reproduction processing circuit 6.
Control is performed to select ut (associated with Vout). In this way, the associated video and audio signals, Vin1 and Ain1, Vin2 and Ain2 or
Vout and Aout are supplied to the video circuit 24 and the audio circuit 26 from the switches 32a and 32b.

Each of the recording processing circuits 1a and 1b is shown in FIG.
Is the same as the recording processing circuit 1. The recording processing circuits 1a and 1b process the signals Vin1 and Ain1 and Vin2 and Ain2, respectively, and generate recording signals REC1 and REC2.

The recording / reproducing apparatus 3 of this embodiment has a configuration as shown in FIG. As shown the recording and reproducing apparatus is provided with also the bets like member shown in FIG. 2 (indicated by the same reference numerals). As shown, a second recording amplifier 107 and a second recording optical head 108 are provided in addition to the members 7 to 13. These are the same as the recording amplifier 7 and the recording optical head 8. Two recording amplifiers 7 and 107 and two recording optical heads 8 and 10
8, the two recording signals REC1 and REC2 from the recording processing circuits 1a and 1b can be recorded simultaneously. The reproducing optical head 11 is composed of the recording optical heads 8 and 108.
It is used to reproduce the signal recorded in.

The reproduction signal PB is supplied to the reproduction processing circuit 6. The reproduction processing circuit 6 performs video and audio signal
Generates Vout and Aout.

According to this embodiment, television signals of two channels can be recorded simultaneously. Such a configuration is convenient when recording two programs broadcast simultaneously.

Embodiment 4 FIG. 10 shows another embodiment of the present invention. The present embodiment is similar to the third embodiment of FIG. 8, but differs from the third embodiment in that the recording / reproducing apparatus 3 of the present embodiment can simultaneously reproduce the television signals of two channels. . The recording / reproducing apparatus 3 of the present embodiment is composed of two recording / reproducing disc apparatuses 4a and 4b, each of which is similar to the recording / reproducing disc apparatus described in relation to the embodiment of FIG.

The recording / reproducing device 3 generates two reproduced signals PB1 and PB2. The switching unit 5 controls the reproduction signals PB1 and PB2
And supplies it to the reproduction processing circuit 6.

The two recording / reproducing disk devices 4a and 4
By providing b, the storage capacity of the recording / reproducing apparatus increases, and a longer program can be recorded.

The two recording / reproducing disk devices have two disk drives and two disk drives mounted on each drive.
The disk may be composed of two disks, or may be a disk having recording areas on both sides and two sets of recording and reproducing heads for recording and reproducing on each side. Also, the disk may have two sets of recording and reproducing heads for recording and reproducing on the same surface of the same disk. The number of recording / reproducing disk devices or the number of recording / reproducing optical head sets is not limited to two, but may be three or more.

Embodiment 5 FIG. 11 shows a video and audio system according to another embodiment of the present invention. This audiovisual system includes a videophone 30a and a switch 32 in addition to a television receiver having a built-in recording / reproducing device.
a and 32b. 5 denote the same or corresponding circuits or members. The antenna 21 in FIG. 5 is omitted . Circuit constituting the television receiver are indicated by chain lines 29. The videophone 30a can be connected to another videophone 30b via the telephone line 31.

The switch 32a outputs the output Vout of the reproduction processing circuit 6.
Alternatively, the output of the telephone 30a is selected and supplied to the video circuit 24. The switch 32b selects the output Aout of the reproduction processing circuit 6 or the output of the telephone 30a and supplies it to the audio circuit 26. The switches 32a and 32b are controlled by the control circuit 2 that operates according to manual input on the operation unit 23. The switches 32a and 32b are controlled independently of each other. For example, the switch 32a may select the output of the telephone 30a and display it on the CRT 25, and the switch 32b may select the output of the reproduction processing circuit 6.

A control signal, for example, a signal indicating "calling", "identification information such as the telephone number or name of the caller", etc. is supplied to the control circuit 2, a video signal is supplied to the switch 32a, and an audio signal is supplied. It is supplied to the switch 32b. The output video signal Vout and the output audio signal Aout of the reproduction processing circuit 6 are also connected to the switches 32a and 32b. Switch 32a
Is connected to a CRT 25 through a video circuit 24. The switch 32b is connected to the speakers 27a and 27b through the audio circuit 26.

FIG. 12 shows a remote controller 2 used in this embodiment.
8 shows another example. The remote controller 28 is the same as that shown in FIG. 6, except that it has a "TELE" key. The "TELE" key is used to instruct reception of a telephone call or to terminate a telephone call.

When there is a call from another telephone 30b, the bell of the telephone 30a rings. Also, signals indicating “call” and “caller identification information” are sent to the control circuit 2. The control circuit 2 sends the caller identification information to the video circuit 24. The video circuit 26 displays this identification information. This display is performed in a form superimposed on the video of the program being reproduced by the recording / reproducing device 3 (superimpose). Since the identification information of the caller is displayed on the CRT 25, it is possible to determine whether or not to receive a call based on the identification information.

In order to receive a call, "TEL"
Press the "E" key. Then, the telephone 30a goes off-hook, the telephone 30a and the telephone 30b are connected, and video and audio signals are transmitted from the telephone 30b to the telephone 30a. The switch 32a selects a video signal from the telephone 30a, and the switch 32b selects an audio signal from the telephone 30a. As a result, the video and audio signals from the telephone 30b are transferred to the CRT 25 and the speakers 27a and 27b.
Supplied to The recording / reproducing device 3 executes the above-described pause function. When the call is over, go on-hook on the handset of the telephone or press the "TELE" key. Then, the switches 32a and 32b are connected to the reproduction processing circuit 6
Video and audio signals from Thereby, the reproduction of the signal recorded in the recording / reproducing apparatus 3 during the call is started.

As described above, by combining the telephone 30a with the television receiver 2 having the built-in moving picture recording / reproducing apparatus 3 of the first embodiment, the caller is specified, and the CRT or the speaker is used for the video telephone. An audio-visual system having a function and a function of recording a program or stopping the progress of a program during a telephone call can be obtained.

In place of the above-mentioned video telephone, a telephone having no television function can be used. Also,
Instead of or in addition to the telephone, an intercom with a video camera can be used.

Embodiment 6 FIG. 13 shows a video and audio system according to another embodiment of the present invention. This audiovisual system includes a television receiver 29 having a built-in recording / reproducing device, a telephone 30a, a telephone signal decoder 33, and a reservation recording controller. 11 denote the same or corresponding circuits or members. The telephone signal decoder 33 is connected to the videophone 30a. The reservation recording controller 34 is connected to the television signal decoder 33 and the control circuit 2.

The telephone signal is a voice (speech) emitted by the speaker.
It may be. In this case, the voice may be limited to a predetermined word or short sentence. As a telephone signal, a tone generated when a key of a push-button telephone is operated instead of voice (for example, a DTMF (two frequency) type)
May be used.

The telephone signal decoder 33 receives the telephone signal sent from the other telephone 30b to the telephone 30a via the telephone line, and decodes the telephone signal.

The reservation record controller 34 receives the result of the decryption and stores it. The stored content is information for timer reservation recording, and the recording / reproducing apparatus 3 records a program based on this information. To do this, a signal for designating a channel and starting and ending recording is supplied to the control circuit 2. Instead of the above configuration,
The reservation recording controller 34 is connected to the recording / reproducing device 3 and the tuner 2
2 may be connected to perform the above control. The reservation recording controller 34 can be set by manual input using the operation unit 23.

As a modification of the embodiment of FIG. 13, as described in the embodiments of FIGS. 8 and 10, a tuner 22 capable of simultaneously selecting a plurality of programs, a plurality of recording processing circuits 1a and 1b, and a plurality of programs And a recording / reproducing device 3 capable of simultaneously recording the information. in this case,
The reservation recording controller 34 controls recording by two recording optical heads or two recording / reproducing disk devices.

Embodiment 7 FIG. 14 shows a video and audio system according to another embodiment of the present invention. This audiovisual system includes a television receiver 29 having a built-in recording / reproducing device, a telephone 30a, a telephone signal decoder 33, a reservation recording controller 34, a schedule circuit 35
And 13 denote the same or corresponding circuits or members. The schedule circuit 35
A program recording and reproduction schedule is created and stored, and recording and reproduction are controlled according to the stored schedule.

The creation of the schedule is performed based on the information on the reservation recording and the reservation reproduction. The information related to the reservation recording includes information indicating programs to be recorded (start and end times of each program and a channel on which the program is broadcast). The information related to the scheduled reproduction includes information indicating a desired time of reproduction of the recorded program, a desired order of reproduction of the program, or a priority order. The desired order or priority of reproduction is input by inputting a program in the same order as the desired order or priority.

The operation section 23 can be used for inputting information relating to reservation recording and reservation reproduction. The schedule circuit 35 is connected to the operation unit 23 via the control circuit 2 in order to receive information on reservation recording and reservation reproduction.

The reservation recording control according to the stored schedule can be performed directly or through the reservation recording controller 34. The schedule circuit 35 is connected to the tuner 22 and the recording / reproducing device 3 via the control circuit 2 for direct control. The schedule circuit 35 is connected to the reservation recording controller 34 via the control circuit 2 for control via the reservation recording controller 34.

Control of programmed reproduction according to the stored schedule can be directly performed. For this control, the schedule circuit 35 is connected via the control circuit 2 to the recording / reproducing device 3 and the switches 32a and 32b.

Information on reservation recording and reservation reproduction is
25 can be displayed. Such a function is convenient for inputting information. The created schedule is also CR
It can be displayed at T25. For this display, the schedule circuit 35 is connected to the video circuit 24 via the control circuit 2.

FIG. 15 shows the operation of the schedule circuit 35. First, information on reservation recording and reservation reproduction is input (S1). Then, the input information is CRT
25 is displayed (S2). When all the information is input (S3), the schedule circuit 35 attempts to create an executable schedule (S4). This schedule
The recording and creation sequence and the allocation of the storage area of the recording / reproducing apparatus are determined. When an executable schedule has been created (S5), the schedule is displayed (S6). The start time, end time, and remaining time are displayed, as well as the order of playback and the title of each program.

When there is no difference in the schedule, the operator (user) inputs information for approving the schedule using the operation unit 23 (S27). Then, the schedule is stored, and reservation recording and reservation reproduction are performed according to the stored schedule.

When an executable schedule cannot be created (S5), information to that effect is displayed on the CRT 25. In this case, the operator determines whether there is any program whose recording or reproduction may be omitted (S8). If any of the programs can be omitted, the user inputs information to that effect (information specifying the program to be omitted) (S9).
Then, the program is deleted (S9). If the omission is not permissible (S8), a change of the reproduction order or time is input (S10). The order or time of program deletion or reproduction may be changed automatically according to the priority order. After deleting the program (S9) or changing the order or time of playback (S10), the corrected information is displayed (S2). Then, the creation of the schedule is tried again (S4).

When an erroneous input is found, the input can be corrected by re-inputting information such as a title.

With the above arrangement, the program can be reproduced in a desired order without being restricted by the order of recording. In addition, interference between recording and reproduction can be avoided, and the recording / reproducing device can be used to the maximum.

As a modification of the embodiment of FIG. 14, as described in the embodiments of FIGS. 8 and 10, a tuner 22 capable of simultaneously selecting a plurality of programs, a plurality of recording processing circuits 1a and 1b, A television receiver including a recording / reproducing device 3 capable of simultaneously recording a plurality of programs can also be used. In this case, it becomes even greater advantage by using a scheduling circuit 35. A schedule for performing recording and reproduction can be automatically created while avoiding interference between a plurality of recording heads or a plurality of recording / reproduction disk devices and between recording and reproduction.

Embodiment 8 FIG. 16 shows a video and audio system according to another embodiment of the present invention. This audiovisual system includes a television receiver 29 having a built-in recording / reproducing device, a telephone 30a, a telephone signal decoder 33, a reservation recording controller 34, a schedule circuit 35
And an editor 16. The same reference numerals as in FIG.
Identical or corresponding circuits or components are shown.

The editor 36 edits a television program. The editor 36 is connected to the reproduction processing circuit 6. The editor 36 deletes or shortens a part of the program, for example, a commercial message (CM). If this function is used, for example, when the viewer resumes viewing after interrupting viewing of the program, it is possible to catch up with the actual broadcast.

When the system according to the eighth embodiment is used in a broadcasting station or a broadcasting company, the above-mentioned editor deletes a commercial message of a program supplied from another broadcasting station or a broadcasting company, and also deletes such a program. To insert another commercial message or news program.

The function of the editor can be used in combination with the function of the schedule circuit 35. For example, a program can be shortened by editing while a schedule is being created.
This may be performed before attempting to create a schedule, or when it is determined that an executable schedule cannot be created as a result of the attempted creation. In the latter case, scheduling can be retried after editing. To enable such cooperation between the editor 36 and the schedule circuit 35, they are connected to each other via the control circuit 2.

Editing before the trial or retry of the schedule creation can also be performed manually. In this case, the user can use the operation unit 23 while viewing the display of the information on the schedule and editing on the CRT 25.

As a modification of the embodiment of FIG. 16, as described in the embodiments of FIGS. 8 and 10, a tuner 22 capable of simultaneously selecting a plurality of programs, a plurality of recording processing circuits 1a and 1b, A television receiver including a recording / reproducing device 3 capable of simultaneously recording a plurality of programs can also be used. In this case, the relocation by using <br/> plurality of programs editing 36 the overlapped broadcast time into each other as shown in FIG. 17 (a), or edits, as shown in FIG. 17 (b) Can be played in sequence. Further, a desired program can be extracted from the recorded programs.

Embodiment 9 FIG. 18 shows another embodiment of the present invention. In this embodiment, the recording / reproducing device 3 having a semiconductor memory is used. That is, the recording / reproducing apparatus 3 includes an analog / digital conversion circuit (ADC) 14, a three-state buffer 15, a semiconductor memory 16, a memory control circuit 17, an address selection circuit 18, a data latch 19
And a digital / analog conversion circuit (DAC) 20. The input video signal Vin and the input audio signal Ain are recorded in the recording processing circuit 1 by a recording signal having the same signal spectrum as that used for the optical video disc shown in FIG.
Converted to REC (pulse modulated analog signal). The recording signal REC is converted into digital data by the ADC 14 and
The data is written to the semiconductor memory 16 via the state buffer 15. The memory control circuit 17 supplies, for example, the control signal shown in FIG. 19 to the three-state buffer 15, the semiconductor memory 16, the address selection circuit 18, and the data latch 19. Writing to and reading from the semiconductor memory 16 corresponds to recording and reproduction to and from a recording / reproducing disk device.

Writing to and reading from semiconductor memory 16 is performed according to the W / R signal of FIG. During writing, the output of the three-state buffer 15 is changed by the W / R signal to the data bus DB as shown by W-DATA in FIG.
It becomes effective above. The output of the memory 16 becomes a floating state (write state), and the address selection circuit 18 selects the write address W-ADR as the address ADR of the memory 16. Actual writing is performed according to the W-PLS in FIG. During reading, the output of the three-state buffer 15 becomes invalid on the data bus DB due to the W / R signal.
The output of the memory 16 becomes valid (read) as indicated by R-DATA in FIG. The address selection circuit 18 selects the address R-ADR as the address of the memory 16. FIG.
In accordance with the R-PLS shown in FIG. 9 (e), the data on the data bus DB is read into the data latch 19, output as PB-DATA, and converted by the DAC 20 into an analog reproduction signal PB.
The analog reproduction signal PB is input to the reproduction processing circuit 6 and subjected to reproduction processing to become video and audio signals Vout and Aout.

Even when the recording / reproducing apparatus is configured by using the semiconductor memory as described above, the same effect as when the magneto-optical disk is used can be obtained. Semiconductor memories are easy to control. The problem is that the storage capacity is relatively small. However, for example, with the development of image data compression technology or as the degree of integration further increases, the use of semiconductor memories becomes more realistic.

Modifications Modifications similar to Embodiments 2 to 4 described as modifications of Embodiment 1 can be applied to Embodiments 5 to 9. Example 2
In incorporating any one of the teachings of Nos. 4 to 4 into any of the fifth to ninth embodiments, the switches 32a and 32b of the fifth to ninth embodiments can also be used for selecting the output of the tuner 22.

It has been described that the signal to be recorded is the same as the signal used for recording on the optical video disk.
However, different types of signals may be used. For example, it may be a digital signal representing computer data or a digital signal representing compressed image data.

The recording / reproducing device is not limited to a magneto-optical disk device or a semiconductor memory, but may use another type of recording / reproducing device, for example, a magnetic disk device (for example, a floppy disk device).

According to the above embodiment, the recording / reproducing apparatus is incorporated in a television receiver. However, a separate recording and reproducing device may be used in combination with a monitor television receiver or a video projector, an audio system, a telephone, an interphone recording and reproducing device equipped with a video camera, or the like.

The above audiovisual system can be used not only for viewing a broadcasted program but also for editing a program at a broadcasting station, and also for inspecting an image recorded by a security system. . In such cases, delay, pause, shorten, and edit functions are useful.

[0102]

As described above, according to the present invention, video and audio signals are recorded, and their reproduction can be performed independently of the recording. Therefore, it is possible to pause or shorten while receiving and watching the broadcast program.

Further, recorded programs can be reproduced in a desired order. Also, a desired program can be extracted from the recorded programs.

Further, by providing a telephone signal decoder, a reservation recorder can be set remotely via a telephone line.

By using a tuner capable of simultaneously selecting a plurality of programs and a recording / reproducing apparatus capable of simultaneously recording / reproducing television signals of the plurality of programs, a plurality of programs can be simultaneously recorded. By providing the schedule circuit, a recording / reproducing schedule can be automatically created. By providing the editor, the program can be edited. Editing is performed during playback or during creation of a schedule.

In other words, the television receiver and the audiovisual system of the present invention provide the convenience of viewing audiovisual information according to the schedule desired by the user.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a conventional recording / reproducing apparatus.

2 is a schematic diagram showing a recording and reproducing disk device in the prior recording and reproducing apparatus.

FIG. 3 is a diagram showing a spectrum of a recording signal used conventionally.

FIG. 4 is a schematic diagram showing an example of a recording track.

FIG. 5 is a block diagram showing a television receiver having a built-in recording / reproducing device according to an embodiment of the present invention.

FIG. 6 is a top view illustrating an example of a remote controller.

FIG. 7 is a block diagram showing a television receiver having a built-in recording / reproducing device according to another embodiment of the present invention.

FIG. 8 is a block diagram showing a television receiver having a built-in recording / reproducing device according to another embodiment of the present invention.

9 is a schematic diagram showing a recording / reproducing disc device used in the recording / reproducing device of FIG.

FIG. 10 is a block diagram showing a television receiver having a built-in recording / reproducing device according to another embodiment of the present invention.

FIG. 11 is a block diagram showing a video and audio system including a telephone and a telephone according to another embodiment of the present invention, which includes a recording / reproducing device.

FIG. 12 is a top view showing another example of the remote controller.

FIG. 13 is a block diagram showing a video and audio system including a television receiver having a built-in recording / reproducing device, a telephone, a telephone signal decoder, and a reservation recorder according to another embodiment of the present invention.

FIG. 14 is a block diagram showing a video and audio system including a television receiver having a built-in recording / reproducing device, a telephone, a telephone signal decoder, a reservation recorder, and a schedule circuit according to another embodiment of the present invention. FIG.

FIG. 15 is a flowchart showing the operation of the schedule circuit.

FIG. 16 is a video audio system including a television receiver incorporating a recording / reproducing device, a telephone, a telephone signal decoder, a reservation recorder, a schedule circuit, and an editor according to another embodiment of the present invention. FIG.

FIG. 17 is a time chart showing the operation of the editor.

FIG. 18 is a block diagram showing another example of the recording / reproducing apparatus according to another embodiment of the present invention.

19 is a time chart showing operations of writing and reading to and from the recording / reproducing apparatus of FIG.

[Explanation of symbols]

 Reference Signs List 3 recording / reproducing device 22 tuner 23 operation unit 25 CRT 27a, 27b speaker 31 telephone line 30a videophone 32a, 32b switch 33 telephone signal decoder 34 reservation recording controller 35 schedule circuit 36 editor

────────────────────────────────────────────────── ─── Continuation of the front page (72) Eiji Yokoyama, Inventor, Electronic Products Development Laboratory, Mitsubishi Electric Corp., 1 Baba Zujo, Nagaokakyo-shi, Kyoto Prefecture (58) Field surveyed (Int.Cl. ⁶ , DB name) H04N 5 / 44,5 / 85,5 / 91

Claims (21)

(57) [Claims] 1. A TV receiver means to receive a television signal including a video and audio signals broadcasted program, random A television signal said television receiving means receives
Recording means for recording on an accessible recording medium and said recording means
At any time the television signal being recorded on the recording medium
Reproducing means to and a reproducing means capable of reproducing from point
When the image display means to display an image represented by the video signal of the reproduced television signal, and the audio output means to output the sound represented by the audio signal of the reproduced television signal, reproduced by the recording and reproducing apparatus the television receiver comprising stop and a control input hand stage for controlling the restart. 2. A further to the recording and reproducing apparatus, normally to perform the reproducing received television signal immediately or a predetermined time delay after recording, the steering <br/> operation of the control input hand stage after changing the mode of reproduction is requested, the television receiver according to claim 1, characterized in that example Bei <br/> control hand stage to perform a playback in accordance with the operation of the control input hand stage. The wherein control for changing the mode of reproduction may require more to the control input hand stage, stops playback, resume, according to claim 2, characterized in that it includes forward jump TV receiver. Wherein said control hand stage stores a delay time of reproducing the recording of the received television signal, when the slow-be time or more forward jump is requested, it records the received television signal The television receiver according to claim 3, wherein the television receiver is returned to a state in which the reproduction is performed immediately afterward or with a predetermined time delay. Wherein said television receiver hands stage, which can output a television signal of a plurality of channels simultaneously, which can be the recording and reproducing hand stage simultaneously record the television signals of said plurality of channels The television receiver according to any one of claims 1 to 3, wherein Wherein said recording and reproducing hand stage, television receiver according to claim 5, characterized in that is capable of reproducing the selected ones of the recorded television signal. 7. The control input hand stage is also used to enter the playback sequence information specifying the playback order of recorded programs, further in accordance with the reproduction sequence information, specifies the recorded program create a feasible schedule for playing the sequence shown, or further comprising a schedule means to generate information indicating the inability created when it is not possible to create such a feasible schedule The television receiver according to claim 1, wherein: 8. A television receiver means to receive a television signal including a video and audio signals broadcasted program, random A television signal said television receiving means receives
Recording means for recording on an accessible recording medium and said recording means
At any time the television signal being recorded on the recording medium
Reproducing means to and a reproducing means capable of reproducing from point
When the image display means to display an image represented by the video signal of the reproduced television signal, and the audio output means to output the sound represented by the audio signal of the reproduced television signal, reproduced by the recording and reproducing apparatus audiovisual system comprising a control input hand stage for controlling the stop and restart. 9. Further, in the recording and reproducing apparatus, normally to perform the reproducing received television signal immediately or a predetermined time delay after recording, the steering <br/> operation of the control input hand stage after changing the mode of reproduction is requested, audiovisual system according to claim 8, characterized in that example Bei <br/> control hand stage to perform a playback in accordance with the operation of the control input hand stage. The control for changing 10. aspects of reproduction may require more to the control input hand stage, stops playback, resume,
10. The method according to claim 9, wherein a forward jump is included.
The audiovisual system according to item 1. 11. The control hand stage stores a delay time of reproducing the recording of the received television signal, when the slow-be time or more forward jump is requested, after recording the received television signal 11. The audiovisual system according to claim 10, wherein the reproduction is resumed immediately or with a predetermined time delay. 12. The television receiver hands stage, which can output a television signal of a plurality of channels simultaneously, which can be the recording and reproducing hand stage simultaneously record the television signals of said plurality of channels The audiovisual system according to any one of claims 8 to 11, wherein 13. The recording and reproducing hand stage, audiovisual system according to claim 12, characterized in that is capable of reproducing the selected ones of the recorded television signal. 14. Furthermore, other phone via a telephone line
Receiving a phone connectable, the reproduced audio signal, the audio signal from the phone and,
And an audio input switching circuit for selecting one of the audio signal from the reproduced audio signal and the telephone, the voice output hand stage is characterized by receiving a sound signal selected by the audio switcher claims Items 8 to 11
The audiovisual system according to any one of the above. 15. The phone is a television telephone, further receives a reproduced video signal, the video signal from the telephone,
An image input switching unit for selecting one of the reproduced video signal and the video signal from the telephone, the display hand stage is characterized by receiving a video signal selected by the video switcher according Item 15. The audiovisual system according to Item 14. 16. A telephone signal decoder which can be connected to the telephone and decodes a telephone signal sent from the other telephone , and information for timer recording according to the decoded telephone signal. audiovisual system according to claim 14, characterized in that a reservation recording control unit to perform recording on a recording said recording and reproducing means based on the stored, the stored information. 17. The reservation recording controller is a control input manually stage
Audiovisual system according to claim 16, characterized in that is capable of storing also information for manual input timer reservation recording using. 18. Further, the decryption means to decrypt the call signal sent through the telephone, in accordance with the decoded telephone signal, reserved recording controller for storing information for timer reservation recording of a television program The audiovisual system according to any one of claims 8 to 11, further comprising: 19. claims, characterized in that is capable of storing also the information for the reservation recording controller is controlling the input hand stage using <br/> manual input timer reservation recording 19. The audiovisual system according to 18. 20. The control input hand stage is also used to enter the playback sequence information specifying the playback order of recorded programs, further in accordance with the reproduction sequence information, specifies the recorded program create a feasible schedule for playing the sequence shown, or further comprising a schedule means to generate information indicating the inability created when it is not possible to create such a feasible schedule The audiovisual system according to claim 8, wherein: 21. Furthermore, the preceding claims 8, characterized in that it comprises <br/> the editor having an editing function comprising at least a portion of the deletion of the program and the insertion of another program according to any one 11 of the Audiovisual system.