JPH058790U - Audio information reproduction control device - Google Patents

Abstract

(57) [Abstract] [Purpose] Even if the power is turned off in the CD playback device, the set playback order is maintained and the next playback can be performed in the same order. [Structure] A key operation unit 1 for inputting and inputting a music reproduction order of a CD 7 and an equalizer condition corresponding to the music is connected to a control unit 9. The power-backed RAM card 19 is connected to the control unit 9 via the interface unit 15. The control unit 9 is a RAM card 19
While storing and controlling playback order and equalizer conditions,
At the time of a reproduction instruction from the key operation unit 1, the RAM card 19 temporarily stores the reproduction program order and the equalizer condition in the status register 13. The control unit 9 controls the reproducing unit 17 based on the reproduction order and the equalizer condition to reproduce the CD 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to an audio information reproduction control device, for example, a compact audio information storage device. Suitable audio information to be mounted on a CD player that plays a disc (hereinafter abbreviated as CD) The present invention relates to an information reproduction control device.

[0002]

[Prior art]

  In recent years, a CD reproducing device which has become popular has been used, for example, for a CD in which a plurality of songs are recorded. The playback order can be set so that the user can operate the keys to perform programming instructions. It has been made available so that the songs can be automatically selected and played.

[0003]

[Problems to be solved by the device]

  However, the above-mentioned CD player does not have a playback program when the device is turned off. And the playback order can only be one pattern, There was a problem that I said.   For this reason, the user needs to perform playback procramming each time the user starts using the product. In addition, when it is necessary to change the playback procramming, the procram The operation had to be complicated because the user had to give a command to move.   The present invention has been made in order to solve such a conventional drawback, and the reproduction order, etc. Once you set the playback conditions of, the audio information that can be played back under the playback conditions at any time An object is to provide a reproduction control device.

[0004]

[Means for Solving the Problems]

  In order to solve such a problem, the present invention provides a memory storing a plurality of audio information. A playback unit that plays back audio information from the medium, and at least a playback start instruction to this playback unit. And playback conditions such as playback order and equalizer conditions of audio information are input from the outside Key operation unit to instruct and reading book with power backup that stores the playback conditions RAM card that can be played and the playback conditions from the key operation section are stored in the RAM card Whether the RAM card is controlled or not based on the playback start instruction from the key operation unit. And a control unit for controlling reproduction of the reproduction unit according to the reproduction condition read from the device. I have it.   Also, in the present invention, the RAM card is formed so as to be detachable from the control unit. Good to do.

[0005]

[Action]

  In the present invention equipped with such means, for example, the reproduction order of the audio information from the key operation unit. When you enter the order, the control unit will change the playback order to the RAM card. Even if the power is turned off after being delivered, the regeneration conditions are retained. From the key operation part When a playback start instruction is issued, the control unit is controlled by the RAM car based on the playback instruction. The reproduction order is read from the read mode and the reproduction unit is controlled in the reproduction order.   In addition, in the configuration in which the RAM card is detachably attached to the control unit, , Audio reproduction conditions can be shared among other audio information reproduction devices.

[0006]

【Example】

  Embodiments of the present invention will be described below with reference to the drawings.   FIG. 1 is a block diagram showing an embodiment of an audio information reproduction control device according to the present invention. .   In the figure, the key operation unit 1 is arranged on the operation surface of the main body case 5 of the CD player 3. A keyboard or push button switch, a variable resistor, etc. Playback, fast forward, fast rewind, selection, stop, reset and other known operation functions For example, the playback order and equalizer conditions of the performance songs recorded on CD7 It has a function of instructing input and is connected to the control unit 9.

[0007]   The playback order of the played songs can be set by entering the numbers of the recorded songs, for example. In other words, the equalizer conditions are low frequency characteristics and mid frequency depending on the music to be played. This is to change the equalizer characteristics such as characteristics or high frequency characteristics, and It is set as a digital value by a resistor or the like.   The control unit 9 includes a ROM 11, a status register 13, and an interface. The source section 15 and the reproducing section 17 are connected and control them.   The ROM 11 is a nonvolatile memory that stores an operation program for controlling the control unit 9. The status register 13 is the memory of the In addition to storing the Iza characteristics in correspondence with the song, a volatile internal memory that stores other information is stored. The read / write control is performed by the control unit 9. Status The register 13 is not essential.

[0008]   The interface section (abbreviated as I / F section in the figure) 15 is connected to the RAM card 19 together. A conversion circuit (not shown) for matching the levels and formats of signals between the control units 9; It includes a connection connector (not shown) arranged in the main body case 5, and A RAM card 19 is connected to the connector.   The RAM card 19 uses a power source (not shown) such as a button battery or a capacitor. The power is backed up and the connection to the interface section 15 arrives. It is a removable read / write IC memory card, and has a control unit 9 Read / write controlled by.   However, while connected to the interface unit 15, the interface unit RAM card 19 can be configured to be backed up by power from 15. is there.

[0009]   In addition, the RAM card 19 stores the reproduction order of the music set by the key operation unit 1 and The equalizer condition corresponding to the reproduced song is stored and can be read. There is.   The reproducing unit 17 is used for holding and driving the CD 7 and for reproducing a read head for recording audio information. Raw mechanism section (not shown), amplification circuit (not shown) that amplifies a reproduction signal from the head , A publicly known one having a speaker (not shown) for producing an audio signal.   The reproducing section 17 controls the collected tracks of the CD 7 under the control of the control section 9. In addition to selecting the playback signal according to the above equalizer characteristics, It also has the function of performing processing.

[0010]   The control unit 9 operates by the operation program in the ROM 11 C It is mainly composed of PU, and plays, fast forwards, and fast reverses the CD 7 from the key operation unit 1. It has a well-known control function that controls the playback unit 17 based on the selection, stop, and reset instructions. On the other hand, the playback order and performance of the musical pieces recorded on the CD 7 from the key operation unit 1 and Stores and controls the equalizer conditions in the status register 13, and the playback order It also has a function of storing and controlling the equalizer condition in the RAM card 19.   The control unit 9 receives an order from the key operation unit 1 when starting playback. , The status register 13 is searched, and the order of the reproduced music and the corresponding music Read out equalizer conditions, switching channel selection and equalizer in the reproducing unit 17. Control characteristics.

[0011]   Further, the control unit 9 controls the status level when the reproduction operation is started from the key operation unit 1. When there is no reproduction track order and equalizer condition in the register 13, the RAM card 1 Search for the order of playback songs and equalizer conditions from 9 and status register 13 has the function of temporarily storing in The playback unit 17 is controlled based on the live music order and the equalizer condition.   However, in the configuration without the status register 13, the control unit 9 From the RAM card 19 directly via the interface unit 15, the order of the reproduced songs and The reproduction unit 17 is controlled by searching for the equalizer condition.

[0012]   Next, the operation of the above-mentioned audio information reproduction control device according to the present invention will be briefly described.   First, the playback order of the musical pieces recorded on the CD 7 by the operator from the key operation unit 1 When the introductory and equalizer conditions are input, the control unit 9 The RAM car is controlled via the interface unit 15 while being stored in the register 13. The storage is controlled in the disk 19. In the configuration without the status register 13, R It is directly stored in the AM card 19.   Then, the CD 7 is mounted on the reproducing section 17 and its automatic reproducing function is performed from the key operation section 1. Control section 9 searches the status register 13 and restarts it. The live music order and the equalizer condition corresponding to this music are read out, and the reproducing section 17 is set. Control.

[0013]   Further, in the status register 13, it corresponds to the order of reproduced music and this music. When the equalizer condition is not stored, the control unit 9 is a RAM card. Search for those playback order and equalizer condition from 19 and status register The status register 13 is temporarily stored in the data register 13 to control the reproducing unit 17. In the structure which does not have, the order of the reproduced music from the RAM card 19 and the equalizer condition are set. The control unit 9 directly controls the reproducing unit 17 according to.   In addition, another RAM card 1 in which the order of reproduced songs and the equalizer conditions are stored in advance After connecting 9 to the interface section 15, the automatic playback function from the key operation section 1 When the start instruction is issued, the control unit 9 performs the above-described operation processing.

[0014]   As described above, the audio information reproduction control device of the present invention is a RA whose power source is backed up. The playback order and equalizer conditions are stored in the M card 19 in advance, and the key operation unit 1 Is it configured to control the reproduction of the reproduction unit 17 based on the automatic reproduction start instruction from Even if the power of the CD playback device 3 is turned off, the playback track order and the equalizer conditions disappear. Instead, the playback order is instructed each time it is used, or the playback order is changed from the beginning. It is no longer necessary to specify the playback track order and the equalizer condition once set. It can be used repeatedly and the operability for the user is improved.   Moreover, if the RAM card 19 is formed so as to be removable, it can be used for various CDs 7. To prepare a RAM card 19 in which the order of reproduced songs and the equalizer conditions are stored. This makes it possible to obtain optimum reproduction conditions suited to each song.

[0015]   In addition, a certain CD playback device 3 sets the playback track order and equalizer conditions in a RAM memory. Card 19 and remove the RAM card 19 to another CD playback device 3 of the same type. Once connected, it can be played back under similar conditions.   By the way, in the present invention, in addition to the order of the reproduced music and the equalizer condition, Can be performed under various playback conditions such as volume and sound quality, but the playback track order is especially important. And equalizer conditions are useful.

[0016]   There is often some expertise in setting the equalizer conditions properly, As invented, a RAM card 19 storing the equalizer conditions may be detachably formed. This has the advantage that optimum equalizer conditions can be supplied to a large number of users.   It should be noted that the present invention is not limited to the example in which it is mounted on the CD reproducing device 3 as described above, and the cassette is not limited thereto. Audio data from a storage medium such as a tape player that stores multiple audio information in advance. It can be implemented in a voice information reproducing device that reproduces information, and the voice information Not only playing, but also environmental sounds in the natural world, readings, commercial audio, and various other audio information. Is included.

[0017]

[Effect of device]

  According to the present invention having the above-described configuration, a reproducing unit for reproducing an audio storage medium And input playback conditions such as the playback order of the audio information and equalizer conditions from the outside. Key operation unit and a power supply backup that stores the playback conditions RAM card, storage control in the RAM card, and storage / playback conditions Since it has a control section for controlling the reproduction section, If you set the item in the RAM card once, it will be played even after the device is turned off. It becomes possible to repeat playback under certain conditions, and the playback order and equalizer conditions can be set each time it is used. There is no need to fix it, improving operability.   Also, in the present invention, the above-mentioned RAM card is detachably attached to the control unit. Then, the playback conditions set on one audio information playback device can be used to play back multiple other audio information It can be used in the device, and the usage range of the reproduction condition is expanded.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an audio information reproduction control device according to the present invention.

[Explanation of symbols]

1 key operation part 3 Audio information playback device (CD playback device) 5 body case 7 Recording medium (CD) 9 Control section 11 ROM 13 Status register 15 Interface section (I / F section) 17 Playback section 19 RAM card

Claims (4)

[Scope of utility model registration request] 1. A reproducing section for reproducing the audio information from a storage medium storing a plurality of audio information, a key for instructing the reproducing section to start at least reproduction, and a key for externally inputting a reproduction condition of the audio information. An operation unit, a readable / writable RAM card that is backed up by a power source and stores the reproduction condition, and stores and controls the reproduction condition from the key operation unit in the RAM card, and stores the reproduction condition based on a reproduction start instruction from the key operation unit. An audio information reproduction control device, comprising: a control unit that controls reproduction of the reproduction unit according to reproduction conditions read from the RAM card. 2. The audio information reproduction control device according to claim 1, wherein the reproduction condition input by the key operation unit is a reproduction order of the audio information. 3. The audio information reproduction control device according to claim 1, wherein the reproduction condition input from the key operation unit is an equalizer condition for the audio information. 4. The audio information reproduction control device according to claim 1, wherein the RAM card is formed so as to be attachable to and detachable from the control unit.