JPS62172562A - Audio signal reproducing device - Google Patents

Abstract

PURPOSE:To improve the operability when the titled device is utilized for a language study by providing a pause time setting means setting the pause state when an interblock is reproduced and reproducing the next audio signal after a time in response to the reproducing time elapses. CONSTITUTION:A recording signal from a disk 11 for language study is read by a pickup 12. When the mode is set to the reproducing state, the connection of a selector switch S1 of a pause changeover circuit 20 is discriminated and when the switch is in the connection of b-c, it is discriminated as the automatic pause function ON to start the reproduction and the time count. When the interblock for a prescribed time or over is detected, the time count is stopped and the pause state for the counted time is set. Whether or not a stop switch is turned on is discriminated and when turned on, the operation is stopped. A microcomputer 19 stores the control program as above, and the pause state for the same time as the reproducing time before the detection of the interblock time is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an audio signal reproducing apparatus such as a CD (compact disc) reproducing apparatus, and relates to an apparatus that automatically controls a pause state.

[Technical Background of the Invention and Problems Therewith] Conventionally, audio signal playback devices, such as CD playback devices, have been provided with an auto-pause function. This auto-pause function is activated by setting the auto-pause switch to the on state, and when the first song after the auto-pause switch is turned on is finished, the CD
The playback device automatically enters a pause state, continues in the pause state until the play switch is turned on, starts playing the next song when the play switch is turned on, and restarts when the playback of that song ends. The operation of setting the camera to a pause state continues until the stop switch is turned on. Such a function is very effective when only one song is to be played, such as in ``karaoke''.

FIG. 4 shows the control flow of the auto-pause function. First, when the power is turned on to the CD playback device (step A)
, it is determined whether the auto-pause switch is turned on or not (step B); if it is not turned on, it is set to the normal operating state (step C); if it is turned on, it is set to the play state (step D). Then, by detecting the no-signal portion (blank) between the songs, it is determined whether the first played song has ended or not (step E); if it has not ended, the process returns to step D to continue the play state; When finished, the pause state is set and this pause state is continued until the play switch is turned on (step F).
). At this point, it is determined whether the play switch is turned on or not (step G). If it is turned on, the process returns to step D and the next song is played. If it is not turned on, it is determined whether the stop switch is turned on or not (step H). ), if it is not turned on, the process returns to step F to continue the pause state, and when it is turned on, the operation of the CD reproducing apparatus is ended.

By the way, the above-mentioned audio signal reproducing apparatus is considered to be used not only for karaoke but also for language learning. The learning method applied here is, for example, to record the words spoken by the teacher on a disc with a blank space for a predetermined period for each phrase or sentence, and then use the auto-pause function mentioned above when playing back this disc. The teacher then pauses each blank so that the user can say the same words following the teacher's words. However, with the auto-pause function described above, the play switch must be turned on whenever the player wants to play the next word.

In this case, since the playback time of a phrase or sentence is as short as several seconds, the operation is complicated and difficult to use.

[Purpose of the Invention] This invention was made to improve the above-mentioned problem, and when a no-signal portion is detected in the auto-pause state, the pause state is maintained for a time corresponding to the playback time before the no-signal detection. An object of the present invention is to provide an audio signal reproducing device that avoids complicated operations when used for language learning.

[Summary of the invention] That is, the audio signal reproducing device according to the present invention includes:
When playing back a recording medium in which a plurality of audio signals are recorded consecutively with a predetermined period of no signal in between, when the audio signal is set to the playback state, the no signal portion is recorded after the audio signal is played. It is equipped with an auto-pause function that calculates the playback time until playback, sets a pause state when a no-signal portion is played, and plays the next audio signal after a time corresponding to the playback time has elapsed. .

[Embodiment of the Invention] Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2.

FIG. 1 shows the basic configuration of a CD playback device to which the present invention is applied. In the figure, 11 is the aforementioned language learning disk, 12 is a pickup for reading recorded signals from the disk, and 13 is an output signal of the pickup 12. A servo circuit 14 manually detects a focus error and a tracking error of the light beam with respect to the disk 11 and generates a focus control signal and a tracking control signal based on each error signal; This is a drive circuit that sends a drive signal to the focus and tracking actuator coil of the pickup 12 to control the focus and tracking of the light beam. Further, 15 is a digital demodulation circuit that demodulates a digital signal from the output signal of the pickup 12, 1B is a signal processing processor that converts the demodulated digital signal into an analog signal, and 17 is a speaker 18 that amplifies the analog signal.
This is an audio amplifier that reproduces sound.

The operation of this CD reproducing apparatus is controlled by a microcomputer 19, although details are not shown. i.e. disc play, stop, cue, review,
Each operation mode such as pause etc. is controlled by each external switch (not shown).
The operating state can be set by selectively operating and supplying an operating signal to the microcomputer 19. In addition, the signal processing processor 1G
This makes it possible to detect areas with no signal. Furthermore, a mode switching circuit 20 is connected to the microcomputer 19, which can select between a normal operation mode and an auto-pause mode using a selection switch Sl. Further, a pause time variable circuit 21 is connected to the microcomputer 19. The pause time variable circuit 21 switches the time constant by selecting the combination of the capacitor C1 and the resistors R1 to R4 using the selection switch S2, thereby making it possible to arbitrarily vary the pause time.

In the above configuration, the control flow of the microcomputer 19 that performs the autopause function will be explained with reference to FIG.

First, when the play switch is turned on and set to the playback state (step J), it is determined whether the selection switch Sl of the pause switching circuit 20 is in the a-b connection or the b-c connection (step K). - If the connection is b-b, it is determined that the auto-pause function is off and the normal operation mode is set (Step L); if the connection is b-c, it is determined that the auto-pause function is on and playback is started. At the same time, time counting is started (step M). When a no-signal portion for a predetermined time or longer is detected (step N), time counting is stopped and a pause state is set for the counted time (step O). Here, it is determined whether the stop switch is turned on or not (step P). If it is not turned on, the process returns to step K, and if it is turned on, the operation is stopped (step Q).

Therefore, by storing the control program in the microcomputer in the above configuration, when a no-signal portion is detected, it is possible to enter a pause state for a period of time equivalent to the playback time before no-signal detection.

Although not particularly shown in the control flow of FIG. 2, for example, if the clock width counted by the counter during the pause state is changed by the time constant set by the pause time variable circuit 21, It is possible to adjust the pause time as appropriate.

According to this, for example, in language learning as described above, even if the teacher speaks a long sentence, the pause time can be set according to the user's reading style, which is convenient.

Further, the present invention is not limited to the above embodiment, and for example, the control flow stored in the microcomputer (2) 9 may be as shown in FIG. Incidentally, in FIG. 3, the same steps as in FIG. 2 are denoted by the same reference numerals, and only the different parts will be described here. That is,
If the B-C connection is selected in the step, it is determined that the autobose function is on and playback is started. At the same time, the absolute time included in the information from the disc at the time of playback start is stored in memory, and the playback state is restored. Set (Step R).

Then, when a no-signal portion for a predetermined time or more is detected (step N), the previously stored absolute time is subtracted from the absolute time at that time (step S), and the pause state is set for the subtracted time ( Step T). Hereinafter, control is performed in the same manner as in the case of FIG. Needless to say, this case also has the same effect as the control flow shown in FIG. 2.

[Effects of the Invention] As detailed above, according to the present invention, when a no-signal portion is detected in the auto-pause state, the pause state is maintained for a time corresponding to the playback time before the no-signal detection, and the device can be used for language learning. It is possible to provide an audio signal reproducing device that is easy to operate even when

[Brief explanation of drawings]

1 and 2 each show an embodiment of an audio signal reproducing device according to the present invention, FIG. 1 is a block circuit diagram showing the configuration of a CD reproducing device to which the present invention is applied, and FIG. is a flowchart showing a control flow when the present invention is applied to the CD playback device shown in FIG. 1, FIG. 3 is a flowchart showing another embodiment of the invention, and FIG. Function I1
1 is a flowchart showing the flow of the first operation. 11...Disc, 12...Pickup, 13.
... Servo circuit, 14... Drive circuit, 15... Digital demodulation circuit, 1B... Signal processing processor, 17.
...Audio amplifier, l8...Speaker, 19...
・Microcomputer, 2o...mode switching circuit,
21...Pause time variable circuit. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 2 Figure 3

Claims (1)

[Claims] In an audio signal playback device that plays back a recording medium in which a plurality of audio signals are continuously recorded with a predetermined period of no signal in between, when the audio signal playback state is set, there is no sound after the audio signal is played. a reproduction time calculation means for calculating a reproduction time until the signal portion is reproduced; and a pause state is set when the non-signal portion is reproduced, and the next audio signal is reproduced after a time corresponding to the reproduction time has elapsed. An audio signal reproducing device having an auto-pause function and a pause time setting means.