JPH0313993A - Car music synthesizer - Google Patents

Abstract

PURPOSE:To enable a driver who driving an automobile to join in a music performance by detecting the manipulated variable of the operation part of the automobile and varying the tempo, musical instrument, etc., of a music which is played according to the manipulated variable. CONSTITUTION:When a card reader 3 reads performance data stored on an IC memory card 4, the data are loaded in a sequencer 5. The sequencer 5 sends out the performance data to a sound source module 7 and controls the sound source module 7 according to a MIDI signal outputted by a MIDI interface 2 corresponding to the manipulated variable of a switch, a handle, etc., selected on a control panel 6. Therefore, the sound source module 6 when generating the musical sound signal according to the performance data generates the musical sound signal which differs in tempo, musical instrument, etc., according to the selection of the switch and the MIDI signal and outputs it, so the driver can join in the music performance while driving the automobile.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a car music synthesizer that is installed in a car and allows the driver to participate in the music being played while the car is running.

(Prior Art) Car stereos are conventionally known as audio devices installed in automobiles.

(Question 8 to be solved by the invention) However, although the car stereo allows the driver to enjoy listening to his/her favorite music while driving, it has the disadvantage that the driver cannot participate in the music he/she is listening to.

The present invention aims to overcome this drawback and provide a new music system that allows users to participate in the music they are listening to while driving.

(Means for Solving the Problems) In order to achieve the above object, the present invention was constructed as follows.

That is, the invention of claim 1 includes: a detecting means for detecting the amount of operation of the operating section of the automobile and outputting a detection signal according to the detected amount of operation; a storage medium for storing performance data; and a storage medium for storing performance data. A performance data reading means for reading the stored performance data, and based on the read performance data,
a musical tone signal generating means for generating a musical tone signal corresponding to the performance data; and a control means for changing elements of the musical tone signal when the musical tone signal generating means generates the musical tone signal according to the detection signal of the detecting means. It is something to be prepared for.

Further, in the invention according to claim 2, the detection means detects the traveling speed of the automobile.

(Function) In the invention of claim 1 configured as above, the musical tone signal generating means generates the musical tone signal based on the performance data read by the performance data reading means.

The control means changes the elements of the musical tone signal when the musical tone signal generating means generates the musical tone signal in accordance with the detection signal of the detection means.

Therefore, in the invention of claim 1, the tempo of the music currently being played, the musical instrument, etc. can be changed in accordance with the amount of operation of the operating section of the automobile.

Further, in the invention according to claim 2, the detection means detects the traveling speed of the automobile.

Therefore, in the invention of claim 2, music suitable for the driving situation is played, allowing comfortable driving.

(Example) A first example of the present invention will be described with reference to the block diagram of FIG. 1.

In the figure, 1 is a detection unit that detects the amount of operation of the steering wheel, brake, accelerator, blinker, etc., which are the operating units of the automobile, in the form of voltage changes.

2 is a MIDI interface, which converts the voltage change detected by the detection section into a MIDI signal.

3 is a card league, which reads standard performance data stored in the IC memory card 4;
The number of songs in the standard performance data to be stored is approximately 10. Note that a floppy disk may be used instead of an IC card. 5 is a sequencer consisting of a CPU, RAM, etc., and it performs a predetermined sequence based on the output signal from the MIDI interface 2 and the input information from the control panel 6. According to the procedure, the sound source module 7 and the like are controlled as described later.

The sound source module 7 outputs a musical tone signal according to the performance data sent from the sequencer 5, such as a scale voltage that specifies the pitch, a gate voltage that specifies the length of the pitch, and the like.

This sound source module 7 is composed of, for example, a VCO (voltage control generator), a VCF (voltage control filter), a VCA (voltage control amplifier), and the like.

The control panel 6 contains various information for controlling the sound source module 7, such as music patterns, instrument selection,
Various switches are arranged to change the tempo, timbre, volume, reverberation level, balance of the sound output from the speakers, changes in the spread of the sound, etc.

Reference numeral 8 denotes a power amplifier, which amplifies the power of the musical tone signal output from the sound source module 7, and drives each of the four speakers 9A to 9D with this power amplified signal.

Next, an example of the operation of the embodiment of the present invention configured as described above will be described.

Now, when the card reader 3 reads performance data stored in the IC memory card 4, it is loaded into the sequencer 5.

The sequencer 5 sends the above performance data to the sound source module 7.
At the same time, the M signal is output from the MIDI interface 2 corresponding to the amount of operation of the switch selected by the control panel 6, the steering wheel, etc.
The sound source module 6 is controlled according to the IDI signal.

Therefore, the sound source module 6 creates a corresponding musical sound signal based on the performance data, but when creating it, it creates different musical sound signals such as tempo and instrument depending on the above-mentioned switch selection and MIDI signal. and output it.

The musical tone signal created in this way is power amplified by the power amplifier 8, and the speakers 9A to 9D are respectively sounded.

By the way, in the above-mentioned embodiment, the object to be detected by the detection unit 1 is the operating amount of each operation part of the automobile, but instead of this, the driving situation or traveling situation of the automobile can be detected.

In other words, it may be the driving speed, or even changes in the outside air environment, such as temperature. When the driving speed of the car is detected by the detection unit 1 in this way, music that matches the driving speed is played, allowing comfortable driving. .

Furthermore, in the embodiments described above, the control panel 6
If you connect a keyboard to it and use it, you can also compose music.

Next, a second embodiment of the present invention will be described with reference to the block diagram of FIG.

Reference numeral 10 denotes a detection unit that detects the amount of operation of the steering wheel, brake, accelerator, turn signal, etc. in the automobile in the form of voltage changes. Reference numeral 11 denotes a card reader, which reads standard music signals stored in an IC memory card.

Reference numeral 12 denotes an envelope detector which, when the CD player 13 reproduces a music signal recorded on a CD record, reads the waveform and tempo of the reproduced signal and converts it into a voltage change. Note that a magnetic tape may be used here instead of a CD record.

Reference numeral 14 denotes a program computer, which synthesizes signals sent from the detection unit 10, card reader 11, envelope detector 12, and control panel 15 according to a predetermined procedure, and generates music data and control signals.

16 is a MIDI interface, which converts the music data synthesized by the program computer 14 into MIDI.
convert it into a signal, and send this MIDI signal to the sound source module 17.
Send to.

The sound source module 17 has a MIDI interface 16
A music signal is generated by a MIDI signal from. This music signal includes melodies, harmonies, and
and rhythm.

The control panel 15 includes a program computer 14, a sound source module 17. The digital signal synthesizer (DSP) 18 is provided with switches and the like for sending out various signals.

A digital signal synthesizer (DSP) 18 performs synthesis conversion of the output signal from the sound source module 17 and the output signal reproduced by the CD player 13 and amplified by the preamplifier 19 according to a control signal from the control panel 15.
The synthesis, conversion, etc. performed by this digital signal synthesizer 18 are as follows:
These include changing the balance, changing the volume, changing the timbre, changing the spread of the sound, rotating the sound, changing the tempo, and adding and controlling sounds such as delay, 7 lunging, fading, and echo.

The output signal from the digital signal synthesizer 18 is amplified by a power amplifier 20, and the four speakers 21A to 210 are driven by this amplified signal.

According to the embodiment with such a configuration, the music signal created by the sound source module 17 based on the music data created by the program computer 14 and the music signal of the CD record played by the CD player 13 are converted into digital signals. The synthesizer 18 can synthesize the signals, and the synthesized signal can drive the respirator forces 21A to 210.

Therefore, this embodiment has the advantage that it can be combined with an existing CD player and that an existing CD record can be effectively used as a sound source.

(Effects of the Invention) As described above, the invention of claim 1 detects the amount of operation of the operating part of the vehicle such as the steering wheel while the vehicle is running, and adjusts the tempo of the music being played, musical instruments, etc. according to the amount of operation. Since this change is made, an unprecedented effect is achieved in that the driver can participate in the music he/she is listening to while driving.

Further, in the invention of claim 2, since music suitable for the driving conditions of the automobile is played, comfortable driving can be achieved.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of another embodiment. 1.io...detection section, 3.11...card league,
4...IC memory card, 5...Sequencer, 7.
17... Sound source module, 14... Program computer.

Claims (2)

[Claims] (1) A detection means that detects the amount of operation of the operating part of the automobile and outputs a detection signal according to the detected amount of operation, a storage medium that stores performance data, and performance data stored in the storage medium. performance data reading means for reading the performance data; musical sound signal creation means for creating a musical sound signal corresponding to the performance data based on the read performance data; A car music synthesizer comprising: a control means for adding a change to an element of a musical tone signal; (2) The car music synthesizer according to item 1, wherein the detection means detects the traveling speed of the automobile.