JPS60236161A - Video disk player - Google Patents

Abstract

PURPOSE:To make the operating condition of a video disk player easily understandable to its operator and, at the same time, to effectively use the waiting time in the course of operation of the player, by informing various conditions of the player at the time of operation other than video disk reproduction through sounds. CONSTITUTION:A sound synthesizing and outputting section 15 contains a memory which tores sound signals. Signals to be stored in the memory are sounds corresponding to various conditions of the player at the time of operation other than reproducing operation. An example of the sound signals is ''wait for a while'' which is inputted correspondingly to the reproducing operation starting time. When this invention is used, the operating condition of a player can be informed easily to operators of the player and, at the same time, their waiting time during the course of the operation of the player can be utilized effectively.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention relates to a video disc player (hereinafter simply referred to as a player), and more specifically, the present invention relates to a video disc player (hereinafter simply referred to as a player). The present invention relates to a video disc player having a function of notifying various states of the disc by voice.

(Prior Art) Generally, when playing a disc, a player does not start playing immediately when a play key is pressed, but only after several seconds have passed. Further, when the player finishes playing the disc and takes the disc out of the player, the disc cannot be taken out immediately even if the stop key is pressed, but can only be taken out after a few seconds have passed, just like at the start of playback. This is because it takes several seconds for the motor that rotates the disk to start rotating at high speed and at a constant speed, and vice versa, for it to stop completely from rotating at a constant speed.

Further, the player has a random access function for searching for a desired program from a large number of programs recorded on a disc, but even when this function is activated, it takes several seconds to load a program.

Therefore, in any of the above cases, there is a waiting time of several seconds,
During this time, the operator is forced to wait without receiving any video or audio.

(Object of the invention) The present invention has been made in consideration of the above circumstances, and
In order to make effective use of the above-mentioned waiting time of several seconds, it is an object of the present invention to provide a video disc player having a function of outputting audio such as a human voice or music during the waiting time.

(Structure of the Invention) The video disc player of the present invention includes a detection means for detecting various states of the player when a video disc is not being played, and a storage means for storing audio signals inputted in advance corresponding to various states of the player. and 2 external output means for reading out the audio signal stored in the storage means and outputting it to the outside;
and a control means for controlling the external output means in accordance with the detection result of the detection means.

(Example) Hereinafter, nine embodiments of the present invention will be described with reference to the drawings.

The drawing is a schematic block diagram of an embodiment of the invention.

A signal read from a disk (not shown) placed on the turntable 1 is input to a preamplifier section 3, where it is amplified and separated into a video signal component, a jitter component, and an address signal component. Ru. The video signal components include the tiger, king servo section 4 and time head servo section 5. and is output to the FM demodulation circuit 6. Further, the jitter component is outputted to the time servo section 5 and the V10 signal output terminal 7, and the address signal component is outputted to the player control section 14.

The tracking servo unit 4 separates a tracking signal necessary for tracking control from the video signal input from the preamplifier unit 3.

Based on this signal, a deviation of the stylus (not shown) from the trunk center is detected, and the pickup circuit 2 is controlled so that the stylus traces the center of the track.

The time servo section 5 corrects jitter based on the video signal inputted from the preamplifier section 3 and the jitter component inputted as an error signal, and controls the pickup circuit 2.

The video signal input to the FMtjt1 circuit 6 is as follows.

Here, the signal is FM demodulated and output to the 5 audio signal processing circuit 8. Then, in the audio signal processing circuit 8, the audio signal component and the video signal component are separated from the video signal, and the audio signal is further demodulated in the audio signal processing circuit 8 and sent to the audio terminal 9.10 as a 2-channel audio signal. Output. Further, the video signal is output to the video signal processing circuit 11, where it is converted into a standard color television signal and is converted to a video terminal 1.
2 is output.

The rotation of the turntable 1 is controlled by a motor servo circuit 13, and this motor servo circuit 13 is further controlled by a player control section 14. Further, the motor servo circuit 13 outputs a signal indicating the rotational state of a motor (not shown) to the player control section 14.

The player control unit 14 controls the operation of the motor servo circuit 13, and also controls the pickup circuit 2. The operation of the preamplifier section 3 and the speech synthesis output section 15 is controlled. This player control section 14 is connected to an operation input section 16.

Although the operation input section 16 is not shown, for example.

In addition to the playback key, stop key, fast-forward key, and fast-reverse key that are normally provided in this type of player, the player is equipped with various operation keys for performing special playback such as still, slow motion, and random access. and,
When the operator operates these operation keys, signals instructing various operations are input to the player control section 14. The operation input section 16 also has a display section that shows the operating status of the player to the operator, and this display section is also controlled by the player control section 14.

The voice synthesis output section 15 includes a memory that stores voice signals. The audio signals stored in this memory are sounds corresponding to λ1 of various states of the player when the disc is not being played, that is, sounds corresponding to the start of playback operation, such as "Please wait for a while."

``Searching now.'' ], or music such as a relatively short melody. Such audio signals are input into the memory in advance.

Then, a specified audio signal is read out from the memory in accordance with an output command from the player control unit 14, and outputted to an external output 17 such as a speaker. Further, this audio signal is also output to the audio terminal 9. Furthermore, when the audio synthesis output section 15 ends the audio output, it outputs an end signal indicating the end of the audio output to the player control section 14.

In the figure, 18 is a power supply circuit that supplies power to each of the circuits described above.

Next, the operation of the video disc player according to the present invention will be explained.

First, the operation at the start of the playback operation will be explained.

Insert the disc into the player? The user presses the playback key on the Ji production input section 16 to input a playback operation start signal instructing the player control section 14 to start the playback operation. Upon receiving this signal, the player control section 14 outputs a start signal that instructs the motor servo circuit 13 to start the motor, and also outputs an output command signal that instructs the voice synthesis output section 15 to output a sound corresponding to the start of the playback operation. Output. The audio synthesis output section 15 that receives this signal reads out the audio signal specified by the player control section 14 from the memory and outputs it to the external output (speaker) 17 and the audio terminal 9. When you finish audio output.

The audio synthesis output section 15 outputs an end signal indicating the end of audio output to the player control section 14.

The player control RBI4 receives this signal.

Based on the signal input from the motor servo circuit 13, it is confirmed whether the rotational speed of the motor has reached a certain value. After confirming that the motor is rotating at a constant speed,
The player control section 14 outputs an operation signal instructing the pickup circuit 2 and the preamplifier section 3 to start operation, and an audio signal and a video signal are output from the audio terminal 9, 10 and the video terminal 12, respectively.

Next, the operation during random access operation will be explained.

The random access key on the operation input section 16 is pressed to input an operation start signal instructing the player control section 14 to start a random access operation.

The player control section 14 receives this signal.

A search start signal is output that instructs the pickup circuit 2 to start searching in order to move the stylus to the target track. At the same time, the player control unit 14 outputs a command signal to the voice synthesis output unit 15 to instruct it to start outputting the voice corresponding to the random access operation. The voice synthesis output section 15 that receives this signal outputs a voice signal from the external output 17 and the voice terminal 9 in the same manner as described above. While audio output is being performed, the player control unit 14 determines whether the stylus has reached the target track based on the signal input from the big amplifier circuit 2 and the address signal input from the preamplifier unit 3. is confirmed, and if it has been reached, a search stop signal is output that instructs the pickup circuit 2 to stop the search. When the voice synthesis output section 15 finishes outputting the specified voice, it outputs a termination signal indicating the end of the voice output to the player controller I/roll section 14. Player control unit 14 that received this signal
In addition to confirming the completion of the above search.

An operation signal instructing the preamplifier section 3 to start operation is output, and an audio signal and a video signal are output from the audio terminals 9 and 10 and the video terminals 2, respectively.

(Effects of the Invention) As explained above, according to the present invention, the various states of the player when the disc is not being played are notified to the operator by voice, so that the operating state of the player can be easily understood by the operator. In addition, it is possible to effectively utilize waiting time during player operation.

[Brief explanation of drawings]

The drawing is a schematic block diagram showing one embodiment of the present invention. 2... Big amplifier circuit 3...Preamp section 9.10...Audio terminal 13...Motor servo circuit 14... Player control section 15...Speech synthesis output section 16...Operation input section 17...External output 1 idiot

Claims (1)

[Scope of Claims] 1) Detection means for detecting various states of the player when a video disc is not being played. and storage means for storing audio signals input in advance corresponding to the various states. external output means for reading out the audio signal stored in the storage means and outputting it to the outside; A video disc player comprising: a control means for controlling the external output means according to the detection result of the detection means, and is configured to notify an operator of various states of the player when the video disc is not being played back by voice. .