JP2002269916A - Sound reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate trouble of a user to make readjustments of sound volume or the like in matching with each recording medium or a listening time zone. SOLUTION: Setting information such as a sound volume, sound quality and left/right balance is stored in a RAM 12 in cross-reference with attached information of a recording medium, attached information of a loaded recording medium is compared with the attached information stored in the RAM 12, and when the attached information is coincident, the reproducing device automatically sets the sound volume, sound quality and left/right balance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio reproducing apparatus, and more particularly to an automatic setting of a sound volume and the like.

[0002]

2. Description of the Related Art Conventionally, in an audio reproducing apparatus such as a disk reproducing apparatus using an optical disk as a recording medium, a sound volume,
It has an operation unit that adjusts functions such as sound quality and speaker left / right balance, and the user adjusts various functions according to the sound of the disc to be played, and outputs sound at the desired volume, sound quality, and left / right balance. It was common to listen.

[0003]

However, it is troublesome for the user to adjust the functions such as volume, sound quality, and left / right balance using the operation unit according to the recording medium to be reproduced. Then, there is a problem that different adjustments have to be made to match the newly mounted recording medium.

[0004] Even when listening to the same recording medium, there are cases where it is desired to listen at different volume, sound quality, etc., depending on the listening environment, that is, the difference between time zones such as daytime and nighttime. There was a problem that adjustments had to be made.

[0005] Therefore, an object of the present invention is to eliminate the inconvenience of the user adjusting the volume and the like in accordance with each recording medium or the listening time zone.

More specifically, for example, the set values of the volume, sound quality, and left / right balance are associated with the TOC information (total number of songs, total playback time) and time information of the disc, and are stored in RAM of the microcomputer.
It is an object of the present invention to provide a sound reproducing apparatus that can automatically adjust the volume, sound quality, and left / right balance when reproducing the disc by storing the data in an area or an external storage unit.

[0007]

According to the present invention, there is provided an audio reproducing apparatus for reproducing a recording medium on which audio information and additional information related to the audio information are recorded. Setting means for setting sound quality;
Storage means for storing the predetermined volume and / or sound quality setting information set by the setting means in association with the additional information, and reproducing the recording medium from the recording medium when reproducing the recording medium. The setting information of the volume and / or sound quality stored in association with the additional information is read out and compared with the additional information stored in the storage unit. It is an object of the present invention to provide a sound reproducing apparatus characterized in that a sound volume and / or sound quality is set by the setting means based on setting information and the sound signal is reproduced.

Further, in an audio reproducing apparatus for reproducing a recording medium on which audio information and additional information related to the audio information are recorded, setting means for setting volume and / or sound quality, clock means having time information, Storage means for storing setting information of a predetermined volume and / or sound quality set by the setting means in association with the additional information and a predetermined time zone, and when reproducing the recording medium,
Reading the additional information from the recording medium, reading time information from the clock means and determining a corresponding time zone,
The read additional information is compared with the additional information stored in the storage unit, and if there is a matching additional information, the presence or absence of the setting information corresponding to a corresponding time zone is searched, and the additional information and the The volume and / or
Alternatively, there is provided an audio reproducing apparatus which reads out the setting information of the sound quality, sets the volume and / or the sound quality by the setting means based on the read out setting information, and reproduces the audio signal. Is what you do.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a sound reproducing apparatus according to the present invention. FIG. 1 is a block diagram showing a configuration of an audio reproducing apparatus according to the present invention.
A D (compact disk) playback device will be described as an example.

Reference numeral 1 denotes TOC which is audio information and additional information.
This is a disk as a recording medium on which information is recorded. 2
Is a pickup for reading out audio information and TOC information recorded on the disk 1 as signals. Reference numeral 3 denotes an RF amplifier that amplifies the audio information signal and the TOC information signal read by the pickup 2. Reference numeral 4 denotes an input of the amplified audio information signal or TOC information signal,
This is a DSP that performs signal processing separately from information signals. 5
Is a filter that passes a specific band of the audio information signal processed by the DSP 4. Reference numeral 6 denotes a D / A for converting the audio information signal passed through the filter 5 from digital to analog and outputting it.
It is a conversion unit. Reference numeral 7 denotes a servo circuit that controls a pickup to perform appropriate signal reading.

Reference numeral 8 denotes a microcomputer that controls the entire system. Reference numerals 9 to 11 denote various adjustment circuits as setting means, and reference numeral 9 denotes a volume adjustment circuit for adjusting the volume of the playback device. Reference numeral 10 denotes a sound quality adjustment circuit for adjusting the sound quality of the playback device. Reference numeral 11 denotes a balance adjustment circuit for adjusting the left and right balance of the speaker. Reference numeral 12 denotes a RAM serving as a memory. In the present invention, the set values of the volume, sound quality, and left / right balance are stored in association with the TOC information and the time information of the disk 1. Reference numeral 13 denotes an operation unit on which buttons and the like pressed by the user are arranged, and for the user to instruct reproduction, stop, volume, sound quality adjustment, and the like of the disc 1. Reference numeral 14 denotes a display unit. Reference numeral 15 denotes a clock unit in which time information is held by clock means (not shown).

FIG. 2 is a diagram showing the contents stored in the RAM 12. In FIG. 2A, setting information of volume, sound quality, and left / right balance is stored in association with the TOC information (total number of songs and total playing time). In FIG. 2b, TO
Day mode setting information and night mode setting information are stored in association with the C information.

Next, based on the flowchart of FIG.
The automatic setting of the volume, sound quality, and left / right balance at the start of disk playback under the control of the microcomputer 8 will be described.

First, when the disk 1 is mounted in step 11, the microcomputer 8 reads out TOC information from the disk 1 in step 12. Next, in step 13, the read TOC information and the T
Compare with OC information. If there is matching TOC information,
The microcomputer 8 automatically sets the volume, sound quality, and balance by the volume adjustment circuit 9, the sound quality adjustment circuit 10, and the balance adjustment circuit 11 based on the setting information of the volume, sound quality, and balance stored in the RAM 12 in step 14. In step 15, the disk 1 is reproduced.

If there is no matching TOC information, the microcomputer 8 does not set the volume, sound quality, and balance, and proceeds to step 15, where the volume adjustment circuit 9, the sound quality adjustment circuit 10,
The disc 1 is reproduced with the current volume, sound quality, and balance set by the balance adjustment circuit 11.

FIG. 4 is a flow chart for explaining automatic setting of sound volume, sound quality, and left / right balance according to a time zone to be reproduced.

First, when the disk 1 is mounted in step 21, TOC information is read from the disk 1 in step 22. Next, in step 23, the microcomputer 8 acquires time information from the clock unit 15, and in step 24, determines whether the current time is day or night.

Subsequently, at step 25, the microcomputer 8 compares the read TOC information with the TOC information stored in the RAM 12. If there is matching TOC information, it is checked in step 26 whether the setting information is stored in an area corresponding to the time zone determined earlier. If the setting information exists in the area corresponding to the determined time zone (day / night), the microcomputer 8 determines the volume in step 27 by the volume adjusting circuit 9, the sound quality adjusting circuit 10, and the balance adjusting circuit 11 based on the setting information. , Sound quality and balance are automatically set, and the disc 1 is reproduced in step 28.

If there is no match in the TOC information,
Even if there is matching TOC information, the corresponding time zone (day /
If the setting information is not stored in the area of (night), the microcomputer 8 proceeds to step 28 without setting the sound volume, sound quality and balance, and proceeds to step 28, where the sound volume adjusting circuit 9, the sound quality adjusting circuit 10,
The disc 1 is reproduced with the current volume, sound quality, and balance set by the balance adjustment circuit 11.

Next, a flowchart for storing setting information of volume, sound quality, and left / right balance will be described with reference to the flowcharts of FIGS.

In the flowchart of FIG. 5, FIG.
When the reproduction of the disc 1 is started from the flowchart of FIG. 7, the microcomputer 8 checks in step 31 whether the stop operation of the disc 1 has been performed (specifically, whether the stop button in the operation unit 15 has been pressed by the user). . If there is no stop operation, it is checked in step 32 whether the volume, sound quality, balance, and the like have been adjusted (specifically, whether various adjustment buttons in the operation unit 15 have been pressed by the user). If these adjustments are made, the microcomputer 8 checks in step 33 whether or not the storage button has been operated. If the storage button is pressed, the TOC information of the disk 1 currently being reproduced and the current set values of volume, sound quality, and balance are stored in the storage area of the RAM 12 in step 34. In this way, setting information such as volume can be stored for each disk.

That is, the user adjusts the volume and the like to desired values by using the operation unit 13 and then presses a storage button (not shown) in the operation unit 13 so that the volume, sound quality, and balance information relating to the disc are stored in the disc. TO
It is stored in the RAM 12 of the playback device in association with the C information.

Further, even if the user has not completed the operation of storing a series of setting information as described above, if the stop operation of the disk 1 is performed, the microcomputer 8 determines in step 35 that the current operation is not performed. The setting value such as the sound volume is compared with the setting information such as the sound volume stored in the RAM 12, and if the values match, the process ends as it is. Is not displayed, a message is displayed on the display unit 14 of the playback device as to whether the current setting value is updated or the current setting value is newly stored.

Here, if the user desires to update (for example, presses the storage button), the microcomputer 8 proceeds to step 36.
Updates the setting information stored in the RAM 12 to the current setting value, or newly stores the current setting value.

In the flowchart of FIG. 6, when the reproduction of the disk 1 is started from the flowchart of FIG. 3, the microcomputer 8 checks in step 41 whether or not the operation of stopping the disk 1 has been performed. If there is no stop operation, it is checked in step 42 whether the adjustment of the volume, sound quality, balance, etc. has been made. If these adjustments have been made, the microcomputer 8 at step 43
It is checked whether or not the night mode button has been operated, and if the day / night mode button has been operated, it is further checked in step 44 whether or not the storage button has been operated. Here, when the storage button is pressed, the microcomputer 8 stores the TOC information of the currently reproduced disc 1 and the current volume, sound quality, and balance set values in the corresponding time zone (day / Night mode). In this way, the settings such as the volume can be stored for each disk and each time period.

That is, when the user adjusts the volume and the like to desired values, determines the day / night mode, and presses the storage button, the volume, sound quality, and balance of the disc 1 corresponding to a specific time zone. The information is stored in the RAM 12 of the playback device.

Even if the user has not completed the operation of storing a series of setting information as described above, if the operation of stopping the disk 1 is performed, the microcomputer 8 determines in step 46 that the current operation is not performed. The setting value of the volume and the like is compared with the setting information of the volume and the like stored in the RAM 12, and if they match, the process ends as it is. If there is no associated setting information, a message is displayed on the display unit 14 of the playback device as to whether to update to the current setting value or to newly store the current setting value.

Here, if the user desires to update, in step 49 the microcomputer 8 updates the setting information stored in the RAM 12 to the current setting value or newly stores the current setting value.

In this embodiment, an audio reproducing apparatus using an optical disk (CD) as a recording medium has been described as an example.
The present invention is not limited to this. For example, a hard disk device or a memory card including a semiconductor memory may be used as a recording medium.

Further, the step of checking the operation of the day / night mode button may be automatically determined by acquiring time information from the clock means, and the operation of the user may be omitted.

[0031]

As described in detail above, in the audio reproducing apparatus of the present invention, setting information such as volume, sound quality, and left / right balance is stored in the reproducing apparatus in association with the additional information and the time zone of each recording medium. The user can automatically set the volume, sound quality, and the like to the user's preference and reproduce the sound simply by attaching the recording medium. In other words, the trouble of changing the setting every time the recording medium is replaced is released.

In addition, even if the same recording medium is used, it is possible to set different settings depending on the time zone. Therefore, for example, a case where a quieter sound volume is desired at night than during daytime listening is stored. Can do things.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an audio reproduction device according to the present invention.

FIG. 2 is a diagram showing stored contents stored in a RAM 12;

FIG. 3 is a flowchart relating to automatic setting of volume and sound quality.

FIG. 4 is a flowchart relating to automatic setting of sound volume and sound quality according to a time zone to be reproduced.

FIG. 5 is a flowchart relating to storage of setting information of volume and sound quality.

FIG. 6 is a flowchart related to storage of volume and sound quality setting information according to a time zone to be reproduced.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc 2 Pickup 8 Microcomputer 9 Volume adjustment circuit 10 Sound quality adjustment circuit 11 Balance adjustment circuit 12 RAM 13 Operation part 14 Display part

Claims (2)

[Claims] 1. An audio reproducing apparatus for reproducing a recording medium on which audio information and additional information related to the audio information are recorded, wherein: a setting means for setting a volume and / or a sound quality; Predetermined volume and / or
Or storage means for storing sound quality setting information in association with the additional information, and when reproducing the recording medium, reading out the additional information from the recording medium and storing the additional information stored in the storage means. If there is additional information that matches, the setting information of the volume and / or sound quality stored in association with the additional information is read, and the volume and / or sound quality is set based on the read setting information. Set by setting means,
An audio reproducing apparatus for reproducing the audio information. 2. An audio reproducing apparatus for reproducing a recording medium on which audio information and additional information related to the audio information are recorded, wherein: setting means for setting a volume and / or sound quality; and clock means having time information. Storage means for storing setting information of a predetermined volume and / or sound quality set by the setting means in association with the additional information and a predetermined time zone, and when reproducing the recording medium, The additional information is read from a recording medium, the time information is read from the clock means to determine a corresponding time zone, the read additional information is compared with the additional information stored in the storage means, If there is information, the presence / absence of the setting information matching the corresponding time zone is searched, and the additional information and the setting information of the volume and / or sound quality matching the time zone are searched. Read out, the volume and / or tone based on the read setting information set by the setting means, the sound reproducing apparatus, characterized in that for reproducing the audio information.