JPS61103183A - Audiovisual educational apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an audiovisual education device suitable for use in language education, such as English.

[Conventional technology]

In recent years, video tape recorders (V
TR), video disks, personal computers, and other devices that actively incorporate so-called new media are being actively commercialized.

Especially for personal computers, the number of educational software has increased considerably in all fields. However, due to capacity limitations and the inability to handle natural sounds in a system using only a personal computer, most of the games are game-like, with a small number of illustrated screens, text, and sound effects.

Therefore, in a device that requires a large amount of audio and video, such as language learning, it is necessary to use it in combination with some kind of audio and video device.

Therefore, conventionally, as a teaching device for languages such as English, a device which combines a personal computer and a cassette tape recorder, a device which combines a personal computer and a cassette tape recorder, etc. have been proposed.

[Problem that the invention seeks to solve]

The former device, which uses a cassette tape recorder, has the disadvantage of long access times and the inability to obtain the necessary information immediately, while the latter device, which uses a video disc, is expensive and wasteful because the video is not so necessary. There are many

The present invention proposes an audiovisual educational device that has short access time, can be constructed at low cost, and is suitable for learning long texts.

Means for Solving Problem C] The present invention comprises an optical disc player (11) for reproducing auditory data, a display device (3), and a home computer (2) for controlling these. When reproducing auditory data, key operations on the home computer (2) activate the optical disc player (
11 in a pause state; means for comparing the address data of the optical disc to which the pause state is set and the address data of the start positions of the plurality of divisions of auditory data of the optical disc; and based on the comparison result. and means for setting the optical pickup of the optical disc player (1) to a set starting position.

[Effect]

In the above configuration, since the optical disc player (1) is used for reproducing auditory data, the access time is short and the configuration can be made at low cost. Also, the address data of the optical disc in which the pause state has been set and the address data of the start positions of the plurality of sections of the auditory data of the optical disc are compared, and the optical picker knob of the optical disc player (1) is adjusted based on the result. For example, it is possible to repeatedly reproduce a section of auditory data at a position where a pause state is set.

〔Example〕

First, the configuration of the present invention will be explained based on FIG.

The present invention includes an optical disc player (1), a home computer (2), and a display device (3). When the optical disc player (1) plays back the auditory data from the optical disc on which the auditory data and address data are recorded, the optical disc player (11 is placed in a pause state) by operating a predetermined key on the key device of the home computer (2). Further, the address data of the optical disc is supplied from the optical disc player (1) to the home computer (2), and the address data of the optical disc in which the pause state has been set is stored in the storage unit of the home computer (2). In addition, the address data of the start positions of the plurality of sections of auditory data on the optical disc is recorded in advance in the recording and reproducing device of the home computer (2), and the address data from this recording and reproducing device is recorded in advance in the recording and reproducing device of the home computer (2). The data is stored in the storage unit of the computer (2). Then, by key operation of the home computer (2), the address data of the optical disc in which the pause state has been set is compared with the address data of the start positions of the plurality of sections. Based on the comparison result, the optical pickup is set at the set starting position of the optical disc.

Next, an embodiment of the present invention will be described with reference to FIG. This example is an example that is applicable to a teaching device for a language, for example, English.

In the figure, (2) indicates a home computer, and C
P U (4), RAM (5), ROM [6),
Input/output port (7), expansion card (8), key device (9)
), floppy disk αω, etc. The floppy disk (QO) contains the overall operation program, display data such as English text to be displayed on the screen of the display device (3), and address data indicating the position of the audio data on the optical disk corresponding to the English text. is recorded in advance.

Further, in FIG. 2, reference numeral +1) is an optical disc player for playing back an optical disc on which audio data and address data corresponding to the above-mentioned English text are digitized and recorded. This optical disc player (1
) is connected to the expansion card (8) via the controller (20). This controller (20) is for interfacing the expansion card (8) and the input terminal of the optical disc player (1).

Here, on the optical disc played back by the optical disc player (1), the above-mentioned audio data and address data are recorded in 'J' JIM-shaped recording tracks.

The format of the recorded digital signal is - For example, as shown in Figure 3, the repetition frequency is 7.35 kHz.
z, therefore, the repetition period is continuous in units of frames of 136.1 μsec.

For convenience, each frame is arranged vertically in the figure.

Each frame has a synchronization information A portion (11
), a leave code section (12), and a data section (13) containing audio data. Address information and the like are inserted into the sub-coat section (12) in units of blocks, each consisting of 98 frames, with a repetition frequency of 7511z and a repetition period of 13.3 msec. That is, the subcode section (12) is divided into eight channels from channel P to channel W, and the first and second channels of each block are divided into eight channels from channel P to channel W.
The subcode part (12) of the th frame contains synchronization information i of the block period from channel P to channel W.
B and C are inserted, and address data is inserted in block units into channel Q of the subcode section (12) of the remaining 96 frames along with the audio data of the data section (13).

FIG. 4 shows an example of the format of this channel Q. In addition to synchronization information B and C, channel Q
A part (14) representing the track number T, a part (15) representing the index I, a time address data part (16) representing the minutes and seconds of time from the beginning of each section in one audio data, (17), etc., and these bits are distributed and inserted into each frame of one block, as shown in FIG.

The format of the digital signal recorded on the optical disc is as described above, and when the optical disc is played back by the optical disc player (1), the above-mentioned Q channel data is transmitted to the controller (20), expansion card (8), The voice address data is sequentially supplied to the CPU (41) of the home computer (2) via the input/output board (7).

Further, in FIG. 2, (3) is a display device, and under the control of the home computer (2), the above-mentioned English text and the user's operating procedures are displayed on the screen.

To realize the above configuration, the applicant used the following as a home computer (2), an optical disc player (1), and a display device (3).

(a) Home computer (2) ...SMC
-777 (''/Made by Knee)・CPU -...
Z80A・RAM・・・・ Main 64KB, bidet 38th B・Color palette・・5Ml-733・
Expansion card: 5Ml-740, 1 built-in floppy disk drive, floppy disk, 3.5 inches, 280 bytes Approximately 100,000 characters in kanji and kanaji characters Approximately 200,000 characters in English manuscript Approximately 20 graphic screens (b) Optical disc player (1)...GDP-1
11 (Sony M)・File capacity...Maximum 74
Minute Addressing-=Tr, 1~99, Index
O~99 Total 9900 Address/Item Time Length...2 sec~70m1n Variable/Audio Channel...2 Channel F Special"...5Hz~20kHz Dynamic Range...90dB (C) Display device ( 3)...KX-13CD
In the input example of I (manufactured by Sony) and RGB input, when a floppy disk α is installed in the home computer (2), the entire operating program is played from this and loaded into the RAM (5), and then the CPU (By the control of 41, it is made to operate according to the flowchart shown in FIG. 5.

First, as shown in FIG. 6A, the display device (3)
A menu screen will be displayed, allowing you to select one long theme.

Next, by pressing the key of the key device (9) corresponding to a predetermined theme n, Nnf[f
The English text, Japanese translation, explanatory text, word display data related to the sentence iI, and address data indicating the position of the audio data on the optical disc corresponding to the English text are loaded into the RAM (5) from the floppy disk (QO). .

Here, as shown in FIG. 7, the floppy disk α0) contains themes 1.2. ... The track number, index, and number of sentences are written on the floppy disk Q (0) for each of m. For example, when theme n is selected, the track number T n of theme n
Based on the number Nn of % index Ins sentences, as shown in FIG.
Data regarding Nn sentences corresponding to theme n is loaded into A M (5).

While data is being loaded from the floppy disk α0 into the RAM (5), the selected theme is displayed on the display device (3) as shown in FIG. 6B. This image is an example in which theme 2 was selected.

Next, when the necessary data is loaded from the floppy disk aφ into the RAM (51), the display device (3
) displays an operating procedure screen as shown in FIG. 6C.

Next, press the start key rsPAsE J of the key device (9).
When you press , the CP is selected based on the address data (tractor number T, index ■) on the optical disk of the data loaded into RAM +51 mentioned above.
The optical disc player (1) is controlled by U t4>, the optical pickup is set to the recording position of the audio data of the English sentence of theme n on the optical disc, and the audio corresponding to the English sentence of theme n is played back. It is assumed to be in a learning state.

In this state, if you do not press the stop key (some key) on the key device (9),
The sounds corresponding to the Nn English sentences to be played are played one after another, and when all are finished, the display device (3) displays the end screen as shown in FIG. 6F, and the key device (
A predetermined state is selected by pressing the key corresponding to 9).

On the other hand, when the stop key (any key) on the key device is pressed while the audio corresponding to the English sentence of theme n is being played, the optical disc player T
The current time Tc of the optical disc is detected from the Q channel data supplied to the CPU (4) by
Next, the optical disc player (11) is put into a pause state under the control of the CPU (14), and it is compared and confirmed that the detected current time Tc is T[-t,n<Tc<Ti,n. , it is detected that the stop key has been pressed in the middle of the i-th sentence, and then a selection screen as shown in Figure 6 is displayed on the display device (3). ) various actions are selected by pressing the corresponding keys.

For example, if you press rl and J keys, time T I-x,
The optical disc player (11) is controlled by the CPU (41) based on n, and the optical pickup is set at the start position of the audio data of the i-th English sentence of theme n on the optical disc, and the time on this optical disc, T
The audio up to t-x+nxT i,n, that is, the audio of the i-th English sentence, is played back, and then the pause state is resumed. This is repeated every time the "1" key is pressed.

Also, if you press the "2" key, as shown in Figure 6E,
The i-th English sentence is displayed on the screen of the display device (3). Furthermore, when keys "4" and "5" are pressed, the words, explanation, and Japanese sentence of the i-th English sentence are displayed on the screen of the display device (3), respectively.

Also, if you press the "6" and "7" keys, the stop key will be pressed for the English sentence before and after the i-th English sentence, and the audio of that English sentence will be played. Ru.

Furthermore, by pressing the "return" key, the stopped reproduction of the audio of theme n is resumed.

As described above, according to the present example, since the optical disc player (1) is used for reproducing audio data, the access time is short and it can be constructed at a lower cost than one using a video disc.

Further, according to this example, when the optical disc player (1) is playing back the audio of theme n (during hearing learning), for example, by pressing the stop key at a place that is difficult to understand, the optical disc player (1) is put into a pause state. , it is detected that the stop key was pressed in the middle of the i-th English sentence, and by key operation the audio of this i-th English sentence can be played repeatedly, or the i-th English sentence, word, explanation, etc. can be selectively displayed, making it suitable for use in studying long passages.

Although the above-described embodiment has been applied to an English teaching device, it can be similarly applied to other language teaching devices.

〔Effect of the invention〕

According to the present invention described above, since an optical disc player is used for reproducing auditory data, the access time is short and it can be constructed at low cost. In addition, the address data of the optical disc in which the pause state is set and the address data of the start positions of multiple sections of the auditory data of the optical disc are compared, and based on the results, the optical pickup of the optical disc player is set to the set start position. For example, it is possible to easily repeatedly reproduce a section of auditory data at a position where a pause state is set. Therefore, it is suitable for use, for example, in listening learning of long English sentences consisting of a plurality of sentences.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the configuration of the present invention, FIG. 2 is a diagram showing an embodiment of the present invention, and FIGS. 3 to 8 are diagrams for explaining the same. Tl) is an optical disc player, (2) is a home computer, (3) is a display device, (4) is a CPU,
Qω is a floppy disk. 2 Home computer and knee 9 Figure 2

Claims (1)

[Claims] In an audio-visual education device comprising an optical display player, a home computer, and a display device, when the optical disc player plays back the auditory data of the optical disc on which auditory data and address data are recorded, the optical disc player is activated by key operation of the home computer. means for storing the address data of the position where the pause state is set in the storage section of the home computer; means for storing the address data representing the starting position of each of the plurality of sections in a storage section of the home computer;
means for comparing the address data representing the position where the pause state is set by a key operation of the home computer and the address data representing the start position; and an optical pickup of the optical display player and an optical disc based on the comparison result. and means for setting the relative position in the radial direction of the starting position to the set starting position.