JPH0816839B2 - Audio equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a radio receiver provided with a reverberation adding device,
The present invention relates to an audio device such as a compact disc changer.

2. Description of the Related Art Conventionally, there has been known a preset type radio receiver for selecting a preset broadcasting station by operating a preset button. In addition, a reverberation adding device (generally called a digital signal processor) that can change the reverberation characteristic to a characteristic suitable for jazz, rock, classical, etc. by operating the reverberation mode selection button.
It has been known. By combining the presettable radio receiver and the reverberation adding device, the reverberation suitable for the radio broadcast content can be added. For example, when listening to jazz with a radio receiver, the reverberation suitable for jazz can be added by operating the reverberation mode selection button for jazz of the reverberation adding device.

Further, the compact disc changer device equipped with the conventional reverberation adding device selects the reverberation mode of the reverberation adding device every time a desired disc is selected from a plurality of compact discs.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, when the conventional reverberation adding device is combined with a radio receiver, it is necessary to select a broadcasting station by a preset button and select a reverberation characteristic by a reverberation mode selection button. It was In particular, FM stations in the United States have broadcasting stations that specialize in music of a specific genre, such as jazz specialized broadcasting stations and rock specialized broadcasting stations, and operate preset buttons to select rock specialized broadcasting stations. Each time you do, you have to operate the reverberation mode selection button for locking the reverberation adding device to change the reverberation adding device to the reverberation characteristic for locking.
There was a problem that the operation was complicated.

Further, in the conventional compact disc changer, the reverberation mode of the reverberation adding device has to be selected every time a desired disc is selected, resulting in a complicated operation.

The present invention solves the above-mentioned conventional problems, and can automatically set a reverberation characteristic suitable for a selected broadcasting station and / or a reverberation characteristic suitable for an acoustic signal recording medium such as a selected disc. It is intended to provide.

Means for Solving the Problems In order to achieve the above object, the present invention provides an acoustic source selection button for selecting acoustic source identification data for identifying an acoustic source, and a reverberation mode for selecting reverberation mode data for determining reverberation characteristics. A selection button, a memory means for storing the sound source identification data and the reverberation mode data corresponding to the sound source selection button, and a desired sound source based on the sound source identification data read from the memory means. Selectable acoustic signal generating means, a reverberation adding device whose reverberation characteristic is set based on reverberation mode data read from the memory means, the memory means in response to the operation of the acoustic source selection button, Sound signal generating means,
Control means for controlling the reverberation adding device, selecting the acoustic source based on the sound source identification data and reverberation mode data read from the memory means, and setting the reverberation characteristic of the reverberation adding device. When the sound source selection button is operated for a predetermined time or longer, the sound source identification data of the sound source currently selected by the control means is written in the memory means, and the reverberation mode selection button is operated for a predetermined time or longer. At this time, the reverberation mode data selected by the reverberation mode selection button is written in the memory means in association with the acoustic source identification data.

Operation The present invention has the above-described configuration, and when the sound source selection button is operated, the sound source identification data corresponding to the operated sound source selection button is read from the memory means, and the desired sound source identification data is obtained based on the sound source identification data. Is selected, and the reverberation characteristic of the reverberation adding device is automatically set to a preselected characteristic based on the reverberation mode data read from the memory means.

Embodiment An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the outline of a radio receiving apparatus according to an embodiment of the present invention. In FIG. 1, 1 is an FM receiving circuit, 2 is
AM receiving circuit, 3 is an antenna, 4 is a PLL circuit.
By changing the frequency division ratio set in the variable frequency divider of the LL circuit 4, it is possible to listen to FM broadcast or AM broadcast of a predetermined reception frequency. Reference numeral 5 is a cassette deck for reproducing music recorded on a cassette tape. 6 is a compact disc (CD) player. 7 is the FM receiving circuit 1, AM
The selector 7 is a selector that selects one of the outputs of the receiving circuit 2, the cassette deck 5, and the CD player 6. The selector 7 is controlled by the control circuit 8 including a microcomputer. Reference numeral 9 denotes a reverberation adding device. The reverberation adding device 9 includes an analog / digital converter (A / D converter), a reverberation adding device including a digital filter and a delay circuit, and a digital / analog converter (D / A). ) Etc.,
The reflected sound characteristic and the reverberation characteristic can be changed by changing the parameters (delay parameter, multiplication parameter) set in the reverberation adding circuit. 10 is a power amplifier and 11 is a speaker. Reference numeral 12 denotes an operation unit of the radio receiver, and this operation unit 12 has a plurality of preset tuning buttons (FM
1, FM2, FM3 ..., AM1, AM2, AM3 ...) 13, a plurality of reverberation mode selection buttons 14, an audio equipment selection button, and the like are provided. 15 indicates the frequency data (PL
Dividing ratio data set in the variable divider of L circuit 4) a, b, c,
... and reverberation mode data, ... A memory for storing ... Reverb mode data ...
And a memory for storing various parameters (delay parameters, multiplication parameters, etc.) A, B, C, D corresponding to each reverberation mode. The memories 15 and 16 are memories built in the control circuit 8. . The reverberation modes include, for example, a reverberation mode for classical music, a reverberation mode for jazz, a reverberation mode for rock, and the like, and a predetermined parameter for each reverberation mode is stored in the memory 16.

In FIG. 1, when one of the reverberation mode selection buttons 14 of the operation unit 12 is operated, the mylocomputer 8 discriminates the reverberation mode selection button operated by the key scan, and the reverberation mode selection button 14 operated is selected. Based on the corresponding reverberation mode data, parameters (delay parameter, multiplication parameter) are read from the memory 16 and set in the reverberation adding circuit of the reverberation adding device 9. For example, when the reverberation mode selection button for jazz is operated, reverberation mode data corresponding to the reverberation mode selection button for jazz is output, the parameter B is read from the memory 16, and the parameter B is read by the reverberation adding circuit of the reverberation adding device 9. Is set to.
The audio device selected by the selector 7, for example, the FM receiving circuit 1
The output signal of is input to the reverberation adding device 9. The acoustic signal input to the reverberation adding device 9 is converted into a digital signal by the A / D converter, and the reverberation is added by the reverberation adding circuit.
It is converted into an analog signal by the converter and output. The acoustic signal to which the reverberation is added by the reverberation adding device 9 is the power amplifier 10
The sound with the reverberation added is output from the speaker 11.

When one of the preset tuning buttons 13 (eg FM1) of the operation unit 12 is operated, the frequency data a prestored in the memory 15 corresponding to the operated preset tuning button 13 is read out. Then, this frequency data a is set in the variable frequency divider of the PLL circuit 4, and the broadcast of the desired broadcast station can be received. By operating the preset channel selection button (FM1) 13, the reverberation mode data stored in the memory 15 corresponding to the preset channel selection button (FM1) 13 is read. Based on the reverberation mode data read from the memory 15, the corresponding parameter A is read from the memory 16, and this parameter B is set in the reverberation adding circuit of the reverberation adding device 9.

As described above, in the above-described embodiment, by operating the predetermined preset tuning button 13, the preset broadcasting station is selected, and the reverberation adding device 9 is operated in correspondence with the selected broadcasting station. The reverberation characteristic can be automatically changed to a preset reverberation characteristic.

FIG. 2 shows a flow of the channel selection operation of the above embodiment. In FIG. 2, a key scan is performed in step A to determine whether or not the preset channel selection button 13 has been operated.
If it is determined in step A that the preset channel selection button has been operated, the timer in the control circuit 8 is started in step B to start the time counting operation. In step C, the operated preset tuning button is judged, and the frequency data a, b, c ... Corresponding to the operated preset tuning button is read out from the memory 15 P
Set in LL circuit 4. Therefore, the current receiving broadcasting station is the PLL
The broadcast station is changed to correspond to the frequency data set in the circuit 4. In step D, it is determined whether the preset tuning button operation time has passed a predetermined time (for example, 2 seconds),
If it is determined that the predetermined time has elapsed, the frequency data corresponding to the broadcasting station currently being received is stored in the memory 15 in step E.
Is stored in step F. When it is determined in step D that the preset channel selection button has not been operated for the predetermined time, the process proceeds to step F. In Step F, Step C
It is determined whether or not reverberation mode data, ... Is stored in the memory area of the memory 15 corresponding to the preset tuning button determined in step 1. Is the reverberation parameter A, B, C, ... Corresponding to this reverberation mode data in step G.
Is read from the memory 16 and set in the reverberation adding circuit of the reverberation adding device 9. Therefore, the reverberation characteristic of the reverberation adding device 9 is changed. Next, at step H, it is determined by key scanning whether or not the reverberation mode selection button 14 has been operated. When it is determined in step H that the reverberation mode selection button 14 has been operated, a timer is started in step I. When it is determined in step H that the reverberation mode selection button 14 has not been operated, the process returns to step A. In step J, the operated reverberation mode selection button 14 is determined, and the parameter corresponding to the reverberation mode selection button 14 is read from the memory 16 and set in the reverberation adding device 9. Next, in step K, it is determined whether or not the operation of the reverberation mode selection button 14 has passed a predetermined time. If it is determined that the predetermined time has passed, the reverberation mode corresponding to the reverberation mode selection button 14 determined in step J. Store data in step L
Store in 15 and return to step A. When it is determined in step K that the operation time of the reverberation mode selection button 14 has not passed the predetermined time, the process returns to step A.

As described above, by presetting the desired broadcast station and reverberation mode data corresponding to each preset tuning button, the preset broadcasting station can be tuned by simply operating the preset tuning button. The reverberation adding device can be set to have a predetermined reverberation characteristic. For example, according to the above-described embodiment, when presetting a lock-specialized broadcasting station, by presetting the optimum reverberation mode for lock, only by operating the preset channel selection button,
It is possible to select a broadcasting station specializing in rock and to automatically set the reverberation adding device to a reverberation characteristic suitable for rock.

FIG. 3 shows another embodiment of the present invention. In this embodiment, a reverberation adding device and a compact disc (CD) changer device are combined. In FIG. 3, the same parts as those in the embodiment shown in FIG. 1 are designated by the same reference numerals. In FIG. 3, 17 is a CD changer device for selecting and reproducing a desired disc from a magazine containing a plurality of compact discs, and 18 is the above-mentioned CD
A changer control circuit for controlling the changer device 17, and this changer control circuit 18 is controlled by a control signal from the control circuit 8. Reference numeral 19 denotes a plurality of disc selection buttons. When a desired disc selection button 19 is operated, the disc specified by the operated disc selection button 19 is selected and reproduced in the CD changer device 17. 20
Is a memory for storing identification data (disc numbers CD # 1, CD # 2, CD # 3 ...) Of each disc housed in the magazine and reverberation mode data corresponding to each disc. The identification data (CD # 1) and reverberation mode data for the first disc in the magazine, and the identification data (CD # 2) for the second disc
And the reverberation mode data, the identification data (CD # 3) corresponding to the third disc, and the reverberation mode data are stored.

In FIG. 3, for example, when the second disc is selected by operating the disc selection button 19, the identification data (CD # 2) is read from the memory 20, and the CD changer device 17 is read based on the identification data. Under the control of the changer control circuit 18, the second disc of the plurality of discs in the magazine is taken out and the reproducing operation is performed. Further, the reverberation mode data corresponding to the second disc is read from the memory 20, and the parameter D corresponding to the reverberation mode data is set in the reverberation adding device 9. Therefore, the reproduction signal of the second disc reproduced by the CD changer device 17 is input to the reverberation adding device 9 through the selector 7 and the reverberation according to the set parameter D is added. .

The embodiment shown in FIG. 3 is an example of a CD changer device, but the present invention can also be applied to a cassette changer device which takes out a desired cassette from a plurality of cassettes and reproduces it.

Also, by combining the embodiment shown in FIGS. 1 and 2 with the embodiment shown in FIG. 3, radio reception for automatically setting a desired reverberation mode in the reverberation adding device corresponding to the selected broadcasting station. It is also possible to combine a device and a changer device for setting a desired reverberation mode in the reverberation adding device corresponding to the selected acoustic signal recording medium.

EFFECTS OF THE INVENTION The present invention is configured as described above, and a desired broadcasting station and a desired acoustic signal recording medium can be selected by operating a selection button, and a reverberation characteristic of a reverberation adding device is selected. This has the advantage that the characteristics selected in advance for the broadcast and selected audio signal recording medium can be automatically set.

[Brief description of drawings]

FIG. 1 is a block diagram of an audio device according to an embodiment of the present invention, FIG. 2 is a diagram showing the operation of the same device, and FIG. 3 is a block diagram of an audio device according to another embodiment of the present invention. 1 ... FM receiving circuit, 2 ... AM receiving circuit, 3 ... antenna, 4 ... PLL circuit, 5 ... cassette deck, 6 ... CD
Player, 7 ... Selector, 8 ... Control circuit, 9 ... Reverberation adding device, 10 ... Power amplifier, 11 ... Speaker, 12
...... Operation part, 13 ...... Preset tuning button, 14 ...... Reverberation mode selection button, 15, 16 ...... Memory, 17 ...... Compact disc changer device, 18 ...... Changer control circuit, 19
...... Disk selection button, 20 ... Memory.

Front page continuation (72) Inventor Jun Koizumi, 1-4-1 Chuo, Wako-shi, Saitama Stock Company Honda R & D Co., Ltd. (72) Inventor, Hitoshi Otsuka 4-1-1 Chuo, Wako-shi, Saitama Stock Company (56) Reference JP-A-63-183495 (JP, A) JP-A-4-77200 (JP, A)

Claims (4)

[Claims] 1. A sound source selection button for selecting sound source identification data for identifying a sound source, a reverberation mode selection button for selecting reverberation mode data for determining reverberation characteristics, and the above-mentioned sound source selection button corresponding to the sound source selection button. A memory means in which the sound source identification data and the reverberation mode data are stored,
Acoustic signal generating means capable of selecting a desired acoustic source on the basis of the acoustic source identification data read from the memory means, and reverberation with reverberation characteristics set on the basis of reverberation mode data read from the memory means. Device,
In response to the operation of the sound source selection button, the memory means, the sound signal generating means, and the reverberation adding device are controlled, and the sound source is based on the sound source identification data and the reverberation mode data read from the memory means. And a control means for setting the reverberation characteristic of the reverberation adding device, and when the sound source selection button is operated for a predetermined time or longer, the sound source identification of the sound source currently selected by the control means is performed. Data is written in the memory means, and when the reverberation mode selection button is operated for a predetermined time or more, the reverberation mode data selected by the reverberation mode selection button is associated with the acoustic source identification data in the memory means. An audio device characterized by writing. 2. The sound source identification data is frequency data of a broadcasting station, the sound signal generating means is a radio receiving device, and in response to operation of a sound source selection button, selection of the broadcasting station and reverberation of the reverberation adding device. The acoustic device according to claim 1, wherein a characteristic is set. 3. The acoustic source identification data is compact disc identification data, the acoustic signal generating means is a compact disc changer device, and in response to the operation of the acoustic source selection button, the compact disc selection and the reverberation characteristic of the reverberation adding device. The audio device according to claim 1, wherein the setting is performed. 4. The acoustic source identification data is cassette identification data, the acoustic signal generation means is a cassette changer device, and the cassette selection and the reverberation characteristic setting of the reverberation adding device are performed in response to the operation of the acoustic source selection button. Claim 1
The acoustic device described.