KR960002152B1 - Disc reservation/repeat reproducing method and the apparatus of - Google Patents

Abstract

The disk reservation/repeated reproduction method of a compact disk player comprises a first step of selecting a CD desired by a user and a song desired by a user from a plurality of songs in the selected CD and setting a predetermined control information such as an on reservation time, off reservation time and reproduction mode; a second step of reading the time information applied from a timer, and if the set on reservation time is detected, applying the reproduction control information to a CDP drive and an amplifier; a third step of detecting sound information from the selected track of the selected CD according to the control information applied from the second step to perform a reproduction operation and detecting if the time information applied from the timer corresponds to the off reservation time; a fourth step of if the off reservation time is detected, stopping the driving of the CD and isolating the power of the CDP driver and amplifier to complete the reproduction operation; and a fifth step of if the repeated reproduction mode is set at the first step, repeatedly reproducing the reproduced song until the off reservation time is detected.

Description

Disc reservation / repeat play method of compact disc player and device therefor

1 is a block diagram of a disc reservation / repeat player of a compact disc player according to the present invention.

2 is a flowchart for realizing disc reservation / repeat play of the compact disc player in the present invention shown in FIG.

* Explanation of symbols for main parts of the drawings

10: reservation and playback control unit 11: the first LCD

12: first microprocessor 13: first picad unit

14: Timer 20: CDP Drive

21: second LCD 22: second microprocessor

23: changer drive unit 24: second keypad portion

30: amplifier section 31: function selection section

33: third microprocessor 34: third keypad portion

35: second infrared receiver

The present invention relates to a compact disc player (hereinafter referred to as CDP), and more particularly to a CD that a user wants to listen to in a CDP equipped with a plurality of compact discs (hereinafter referred to as CDP). The present invention relates to a disc reservation / repeat play method and a device for a compact disc player that enables playback of a sound source contained on the CD by time scheduling.

In general, the reservation playback method of the CDP adopts various methods according to various product models.

In CDP or detachable CDP that use single CD, there is no function to select the song that user wants to listen to. When CD is played, the CDP is executed sequentially from the first track of CD. In the CD selection is supported, but the selection function is not supported, so the user intentionally had to use the CD by mounting the CD at the position where the selection number was designated.

The present invention has been made in view of the above-described problems, and its object is to select a CD mounted at an arbitrary position of the CDP so that the user can reserve and enjoy the music that the user wants to listen to among the sound sources contained in the CD. In addition, it is possible to perform repeat playback even for a song on which playback has been performed.

A feature of the present invention for achieving the above object is a method of playing a sound source of a CDP having a changer for mounting a plurality of CDs, the user selects among the plurality of CDs mounted on the changer and recorded on the selected CD Selecting a desired song from a plurality of songs, and setting the predetermined control information such as the on schedule time, off schedule time, and playback mode, and the on schedule set by reading time information applied from a timer after executing the first stage. When the time is detected, the second step of applying the reproduction control information set in the first step to the CDP drive and the amplifier unit and the sound source information is detected and reproduced from the selected track of the CD selected according to the control information applied in the second step. In step 3 and detecting whether the time information applied from the timer coincides with the off-reservation time while performing the operation. When the luggage reservation time is detected, the off-reserved time is detected when the CDP drive and the amplifier unit are turned off and the playback operation is terminated by stopping the CD drive. And a fifth step of performing repetitive reproduction of a previously reproduced song.

The present invention also provides a CDP drive that sequentially picks up a plurality of CDs mounted on a CD changer, reads sound source information stored therein, and an amplifier unit for processing and outputting sound source information read and applied from the CDP drive. In the apparatus, a key input unit for selecting a CD for scheduled play and repeated play and a desired song from among the sound source information contained in the selected CD, and inputting the ON reservation time and OFF reservation time information; A microprocessor that stores a counting timer, a reservation time and playback information input to a key input unit, and controls the overall operation of playback of a sound source by comparing the signal from the timer with the stored reservation time; A display unit for displaying the information and the play mode setting information further comprises a plurality of mounted on the CDP You can conveniently select and listen to the songs you want on the CD.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a disc reservation / repeat / reproducing apparatus of a compact disc player according to the present invention, and FIG. 2 is a flowchart for realizing disc reservation / repeat / replay of a compact disc player in the present invention shown in FIG.

As can be seen from FIG. 1, the present invention provides a changer with a reservation and playback control unit 10 which performs selection of a CD, reservation of songs contained in the selected CD and counting of the reserved time data and playback and playback stop. CDP drive 20 for reading and playing sound source data contained in the pickup and track of the CD mounted on the CD, and an amplifier unit 30 for processing the read sound source and outputting the output to the speaker as a voice output unit. The reservation and playback control unit 10 includes a first keypad unit 13 for inputting predetermined control selection information such as a CDP on time, an off time, a function selection, a disk selection, and a music selection for playback. And stores the reservation data input to the first key input unit 13 and outputs, to the CDP drive 20, a predetermined control signal for reproducing the reserved CD and the selected sound source according to the signal applied from the timer 14. First micro pro to say A parser 12 and a first LCD 11 for displaying reservation setting information applied to the first key input unit 13 are provided.

In addition, the CDP drive 20 includes a CDP drive 20 for picking up a CD and reading sound source information of a selected track according to a control signal applied from the reservation and playback control unit 10 through the serial transmission line L. The CD is controlled according to a control signal applied from the second microprocessor 22 for controlling the overall operation of the second microprocessor 22, the second LCD 21 for displaying the overall operating state of the CDP drive 20, and the second microprocessor 22. A changer drive unit 23 for driving the mounted changer, a second keypad unit 24 for selecting normal reproduction of the CD mounted on the changer, and an infrared receiver unit 25 for receiving a remote control signal of the CDP.

The amplifier unit 30 controls the overall operation for outputting the sound source signal applied from the CDP drive 20 through the serial transmission line L according to a control signal applied from the reservation and playback control unit 10. Processor 33, a function selector 31 for selecting an amplifier function according to a control signal applied from the third microprocessor 33, a tuner 32 for tuning a broadcast frequency, and an amplifier 30 A third keypad unit 34 for inputting a signal for manual operation and a second infrared receiver unit 35 for receiving a remote control signal of the amplifier unit 30 are provided.

In the present invention configured as described above, the reservation / playback operation of the CD will be described in detail with reference to FIG.

When the user uses the first keypad unit 13 of the reservation and playback control unit 10, as shown in Table 1, the ON reservation time, the OFF reservation time, selection of a CD to be played, selection of songs contained in the selected CD, and repeat playback When the selection signal for the input is input, the first microprocessor 12 stores the input reservation selection signal in the memory means and simultaneously displays it through the first LCD 11.

TABLE 1

Thereafter, the first microprocessor 12 of the reservation and playback control unit 10 applies a predetermined control signal to the timer 14 side to perform a counting operation of the set reservation time, and then applies a signal applied from the timer 14. It is detected whether the ON reservation time has come to be detected (step 1). If the elapse of the ON reservation time is not detected in the step 1, the first microprocessor 12 of the reservation and playback control unit 10 continuously detects the ON reservation time from the timer 14, and if the ON reservation time is detected, The microprocessor 12 transmits an ON signal to the CDP drive 20 side and the amplifier unit 30 side via the serial transmission line L (step 2) to connect the CDP drive 20 and the amplifier unit 30 to each other. The system enters the operating standby state (step 201, step 202). Thereafter, the first microprocessor 12 of the reservation and playback control unit 10 reads the function selection signal from the memory means and applies the read CDP function signal to the amplifier unit 30 through the serial transmission line L. To switch the amplifier unit 30 to the output mode of the sound source signal applied from the CDP drive 20 (step 3, step 302), and to prevent the CD changer from being driven by the power applied in the execution of the step 2; The pause signal is transmitted to the second microprocessor 22 side of the CDP drive 20 (step 4). In response to the execution of step 4, the second microprocessor 22 of the CDP drive 20 applies a stop signal to the changer driver 23 to temporarily stop the operation of the CD changer (step 401).

Subsequently, the first microprocessor 12 of the reservation and playback control unit 10 reads the reserved disk selection signal from the memory unit and the second microprocessor 22 of the CDP drive 20 through the serial transmission line L. When applied to the side (step 5), the second microprocessor 22 controls the changer driver 23 in accordance with the applied disk selection signal to set the selected CD (step 501). When the setting of the CD selected in step 501 is completed, the first microprocessor 12 of the reservation and playback control unit 10 reads the data for the music selection reserved from the memory unit, and then disconnects the serial transmission line L. FIG. When applied to the second microprocessor 22 side of the CDP drive 20 (step 6), the second microprocessor 22 controls the changer drive unit 23 according to the applied selection signal to obtain the selected sound source information. The track recorded is picked up (step 601). After the execution of the step 601, when the pickup of the track containing the sound source information selected from the selected CD is completed, the first microprocessor 12 of the reservation and playback control unit 10 is set to repeat playback of the music reserved from the memory unit. Is detected (step 7).

If it is set in the mode of repeat playback in the detection of step 7, the first microprocessor 12 sends the data for repeat playback via the serial transmission line L to the second microprocessor 22 side of the CDP drive 20. If the CDP drive 20 is set to the repeat play mode (step 801), and the setting of the repeat play is not detected in step 7, the first microprocessor 12 of the reservation and playback control unit 10 plays back. A control operation for execution is applied to the second microprocessor 22 side of the CDP drive 20 via the serial transmission line L (step 9) to perform a reproduction operation of reading sound source information from the selected track of the selected CD. It executes (step 901). At this time, the reproduced sound source information is applied to the amplifier unit 30 through the serial transmission line (L) is performed through a predetermined process is output through the speaker. In the state in which the sound source information is reproduced from the selected track of the selected CD, the first microprocessor 12 of the reservation and playback control unit 10 performs time data applied from the timer 14 and the off reservation time set in the memory means. In comparison, it is determined whether the off time is detected (step 10). In step 10, if the off time has not elapsed, the playback operation is repeatedly performed. If the set off reservation time is detected, the first microprocessor 12 performs the CDP drive 20 on the serial transmission line L. A signal for playback stop is applied to the second microprocessor 22 side (step 11) to end the playback operation of the CDP drive 20 (step 1101).

Thereafter, the first microprocessor 12 of the reservation and playback control unit 10 applies an off signal for shutting off the power to the CDP drive 20 side and the amplifier unit 30 side so as to supply the CDP drive 20 and the amplifier unit. The power supply 30 is cut off to prevent unnecessary power consumption and system overheating.

As described above, the present invention selects a desired CD from among a plurality of CDs mounted on the changer in a CDP sounder equipped with a plurality of CDs, selects a desired song from the sound source information contained in the selected CD, and reserves it through a timer. And since it is possible to execute repeated playback, the CDP can be efficiently used, and the present invention can be utilized as long as it is an acoustic device having a timer as a counter means.

Claims (2)

A method for reproducing a sound source of a CDP having a changer for mounting a plurality of CDs, the method comprising: selecting a desired CD among a plurality of CDs mounted on the changer, selecting a desired song from a plurality of songs contained in the selected CD, and turning on a reservation A first step of setting predetermined control information such as a time, an off reservation time, and a playback mode; and reading the time information applied from a timer after executing the first step, and detecting the ON reservation time set in the first step. The second step of applying the control information to the CDP drive and the amplifier, and the time that is applied from the timer while detecting the sound source information from the selected track of the selected CD according to the control information applied in the second step A third step of detecting whether the information is consistent with the off reservation time; and driving of the CD when the off reservation time is detected in the third step. The fourth step of terminating the reproducing operation by stopping the power supply of the CDP drive and the amplifier unit after stopping, and if the reproducing mode is set in the first step, repeatedly playing the music played until the off-reserved time is detected. And a fifth step of executing the disc reservation / repeat play method of the compact disc player. In a CDP audio device having a CDP drive for sequentially picking up a plurality of CDs mounted on the CD changer to read the recorded sound source information, and an amplifier unit for processing and outputting the sound source information read from the CDP drive, A key input unit for inputting a reservation time and off reservation time information, selecting a CD for scheduled play and repeat play and sound source information contained in the selected CD, and a timer for counting a predetermined reservation time. A microprocessor configured to store a reservation time and playback information input to the key input unit, and to control an overall operation of playback of a sound source by comparing the signal applied from the timer with the stored reservation time; And a display unit for displaying the play mode setting information. Disc reservation / repeat device for fact disc player.