Tone visualizing apparatus

A tone visualizing apparatus, comprising:

• (a) an image memory for storing image information in advance;
• (b) envelope detecting means for detecting an envelope of an inputted audio signal;
• (c) display means for displaying an image of an object based on said image information;
• and
• (d) display control means for controlling said display means so that said object is changed in size in response to a detected envelope of said inputted audio signal.

A tone visualizing apparatus, comprising:

• (a) chord detecting means for detecting a chord based on one of a musical tone signal and musical tone performance information;
• (b) image display means for displaying an image based on predetermined image information;
• and
• (c) display control means for varying contents of said image information in response to a chord detected by said chord detecting means.

A tone visualizing apparatus, comprising:

• (a) chord detecting means for detecting a chord based on one of a musical tone signal and musical tone performance information;
• (b) chord storing means for sequentially storing a predetermined amount of chord information outputted from said chord detecting means;
• (c) image display means for displaying an image based on predetermined image information;
• (d) chord progress detecting means for detecting a chord progress pattern based on each chord information stored in said chord storing means;
• and
• (e) display control means for varying contents of the image information in response to the chord progress pattern detected by said chord progress detecting means.

A tone visualizing apparatus comprising:

• (a) zero-cross detecting means for detecting and counting zero-cross points of an inputted musical tone signal;
• (b) image display means for displaying an image based on predetermined image information;
• and
• (c) display control means for varying said image information to thereby vary color parameters of the image displayed by said image display means in response to number of said zero-cross points detected by said zero-cross detecting means.

A tone visualizing apparatus comprising:

• (a) tone source means for generating a musical tone signal;
• (b) zero-cross detecting means for detecting and counting a number of zero-cross points of said musical tone signal to thereby output a digital signal whose data represent the number of zero-cross points;
• (c) digital-to-analog converting means for converting said digital signal into an analog signal;
• (d) image information generating means for generating image information;
• (e) image display means for displaying an image gased on said image information outputted from said image information generating means;
• and
• (f) saturation control means for controlling saturation of said image in response to the level of said analog signal outputted from said digital-to-analog converting means.

A tone visualizing apparatus, comprising:

• (a) first energy detecting means for detecting a first output energy quantity of a first musical tone generating source;
• (b) second energy detecting means for detecting a second output energy quantity of a second musical tone generating source;
• (c) ratio detecting means for detecting a ratio between said first and second output energy quantities to thereby generate an output value thereof corresponding to the detected ratio;
• (d) image display means for displaying an image based on predetermined image information;
• and
• (e) display control means for varying contents ;of said image information based on the output value of said ratio detecting means.

A tone visualizing apparatus comprising:

• (a) first energy detecting means for detecting a first output energy quantity of a first musical tone generating source;
• (b) second energy detecting means for detecting a second output energy quantity of a second musical tone generating source;
• (c) an image memory which stores image information;
• (d) an image display which displays an image based on image information read from said memory;
• and
• (e) display control means for calculating an energy ratio between said first and second output energy quantities to thereby read different image information from said image memory based on said energy ratio so that the image can be controlled.

A tone visualizing apparatus comprising:

• (a) spectrum extracting means for extracting spectrum signal components from an inputted tone signal;
• (b) image display means for displaying an image based on predetermined image information;
• and
• (c) display control means for controlling a number of display colors of said image displayed by said image display means in response to a number of said spectrum signal components.

A tone visualizing system which visualizes musical tones, comprising:

• (a) a detector which detects at least one tone parameter of an inputted audio signal;
• (b) a memory which stores image information representative of at least said one tone parameter of said audio signal, said one tone parameter representing energy of said musical tone;
• (c) a display which displays an image based on said image information read from said memory;
• and
• (d) a controller which controls which image information is read from said memory in accordance with a detected tone parameter of said audio signal.