Full color LED based lighting apparatus operated in synchronism with music and method of controlling the same

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit and the low frequency band-pass amplification circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling background color of LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency in response to input from the second detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register;
• and the integration circuit is adapted to process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling foreground color of LEDs,
• whereby dividing an audio frequency into a high frequency band and a low frequency band, causing one frequency band to control background color of LEDs, and causing the other one to control foreground color of LEDs will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a double loop frequency.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, an intermediate frequency band-pass amplification circuit an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit, the imtermediate frequency band-pass amplification circuit, and the low frequency band-pass amplification circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the intermediate frequency band-pass amplification circuit comprises a third level comparator together with the intermediate frequency band-pass amplification circuit for forming a third detection loop of intermediate frequency band being adapted to further amplify signals having an intermediate frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling blue LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency in response to input from the second detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling red LEDs;
• and the integration circuit is adapted to process the square-wave signals fed from the third level comparator for obtaining a corresponding frequency in response to input from the third detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling green LEDs,
• whereby dividing an audio frequency into a high frequency band, an intermediate frequency band, and a low frequency band, causing the high frequency band to control blue LEDs, causing the intermediate frequency band to control green LEDs, and causing the low frequency band to control red LEDs will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a triple loop frequency.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a first amplitude detection circuit, a band-pass amplification circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the first amplitude detection circuit and the band-pass amplification circuit respectively;
• the first amplitude detection circuit comprises an ADC (analog-to-digital converter) together with the first amplitude detection circuit for forming an amplitude detection loop being adapted to obtain peaks of signals and convert the peaks of signals into digital amplitudes of signals by means of the ADC prior to inputting to the integration circuit for reading;
• the band-pass amplification circuit comprises a fourth level comparator together with the band-pass amplification circuit for forming a frequency detection loop being is adapted to further amplify signals and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to store the amplitudes of signals in a register in response to input from the ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling LED brightness;
• the integration circuit is adapted to store the square-wave signals in the register in response to input from the fourth level comparator so that the CPU is adapted to read out the square-wave signals from the register;
• and the integration circuit is adapted to process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling LED color,
• whereby controlling LED color by changing a loop frequency and controlling LED brightness by changing a loop amplitude will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a single loop frequency and a single loop amplitude.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, a first amplitude detection circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit, the low frequency band-pass amplification circuit, and the first amplitude detection circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the first amplitude detection circuit comprises an ADC together with the first amplitude detection circuit for forming an amplitude detection loop being adapted to obtain peaks of signals and convert the peaks of signals into digital amplitudes of signals by means of the ADC prior to inputting to the integration circuit for reading;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling background color of LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency which is stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling foreground color of LEDs;
• and the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling a whole LED brightness,
• whereby dividing an audio frequency into a high frequency band and a low frequency band, causing one frequency band to control background color of LEDs, causing the other one to control foreground color of LEDs, and controlling the whole LED brightness by a loop amplitude will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a double loop frequency and a single loop amplitude.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, a second amplitude detection circuit, a third amplitude detection circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit and the low frequency band-pass amplification circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the first amplitude detection circuit comprises a first ADC together with the first amplitude detection circuit for forming a detection loop of high frequency amplitude being adapted to obtain peaks of signals having a high frequency and convert the peaks of signals into digital amplitudes of signals by means of the first ADC prior to inputting to the integration circuit for reading;
• the second amplitude detection circuit comprises a second ADC together With the second amplitude detection circuit for forming a detection loop of low frequency amplitude being adapted to obtain peaks of signals having a low frequency and convert the peaks of signals into digital amplitudes of signals by means of the second ADC prior to inputting to the integration circuit for reading;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling background color of LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency which is stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling foreground color of LEDs;
• the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the first ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling brightness of the first detection loop;
• and the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the second ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling brightness of the second detection loop,
• whereby dividing an audio frequency into a high frequency band and a low frequency band, causing one frequency band to control background color of LEDs, causing the other one to control foreground color of LEDs, and controlling a loop brightness by a loop amplitude will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a double loop frequency and a double loop amplitude.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, an intermediate frequency band-pass amplification circuit, a first amplitude detection circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit, the low frequency band-pass amplification circuit, and the intermediate frequency band-pass amplification circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the intermediate frequency band-pass amplification circuit comprises a third level comparator together with the intermediate frequency band-pass amplification circuit for forming a third detection loop of intermediate frequency band being adapted to further amplify signals having an intermediate frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the first amplitude detection circuit comprises an ADC together with the first amplitude detection circuit for forming an amplitude detection loop being adapted to obtain peaks of signals and convert the peaks of signals into digital amplitudes of signals by means of the ADC prior to inputting to the integration circuit for reading;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling blue LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency in response to input from the second detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling red LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the third level comparator for obtaining a corresponding frequency in response to input from the third detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling green LEDs;
• and the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling a whole LED brightness,
• whereby dividing an audio frequency into a high frequency band, an intermediate frequency band, and a low frequency band for controlling blue, red, and green color LEDs respectively, and controlling the whole LED brightness by a loop amplitude will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a triple loop frequency and a single loop amplitude.

A full color LED based lighting apparatus operated in synchronism with music comprising an audio frequency band-pass filter, a high frequency band-pass amplification circuit, a low frequency band-pass amplification circuit, an intermediate frequency band-pass amplification circuit, a second amplitude detection circuit, a third amplitude detection circuit, a fourth amplitude detection circuit, an integration circuit, a microcontroller, and an LED drive circuit wherein:

• the audio frequency band-pass filter is adapted to filter out signals other than a sound source in sound input for obtaining sound signals and amplify the sound signals prior to inputting to the high frequency band-pass amplification circuit, the low frequency band-pass amplification circuit, and the intermediate frequency band-pass amplification circuit respectively;
• the high frequency band-pass amplification circuit comprises a first level comparator together with the high frequency band-pass amplification circuit for forming a first detection loop of high frequency band being adapted to further amplify signals having a high frequency band and convert the amplified signals having a voltage higher than a reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the low frequency band-pass amplification circuit comprises a second level comparator together with the low frequency band-pass amplification circuit for forming a second detection loop of low frequency band being adapted to further amplify signals having a low frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the intermediate frequency band-pass amplification circuit comprises a third level comparator together with the intermediate frequency band-pass amplification circuit for forming a third detection loop of intermediate frequency band being adapted to further amplify signals having an intermediate frequency band and convert the amplified signals having a voltage higher than the reference voltage into square-wave signals prior to inputting to the integration circuit for frequency calculation;
• the second amplitude detection circuit comprises a first ADC together with the second amplitude detection circuit for forming a detection loop of high frequency amplitude being adapted to obtain peaks of signals having a high frequency and convert the peaks of signals into digital high frequency amplitudes of signals by means of the first ADC prior to inputting to the integration circuit for reading;
• the third amplitude detection circuit comprises a second ADC together with the third amplitude detection circuit for forming a detection loop of low frequency amplitude being adapted to obtain peaks of signals having a low frequency and convert the peaks of signals into digital low frequency amplitudes of signals by means of the second ADC prior to inputting to the integration circuit for reading;
• the fourth amplitude detection circuit comprises a third ADC together with the third amplitude detection circuit for forming a detection loop of intermediate frequency amplitude being adapted to obtain peaks of signals having an intermediate frequency and convert the peaks of signals into digital intermediate frequency amplitudes of signals by means of the third ADC prior to inputting to the integration circuit for reading;
• the microcontroller comprises a CPU, a RAM, and a ROM having a firmware for controlling the CPU;
• and
• the integration circuit is adapted to process the square-wave signals fed from the first level comparator for obtaining a corresponding frequency which is stored in a register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling blue LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the second level comparator for obtaining a corresponding frequency in response to input from the second detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling red LEDs;
• the integration circuit is adapted to process the square-wave signals fed from the third level comparator for obtaining a corresponding frequency in response to input from the third detection loop, the corresponding frequency being stored in the register so that the CPU is adapted to read out the frequency from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling green LEDs;
• the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the first ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling brightness of the first detection loop;
• the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the second ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling brightness of the second detection loop;
• and the integration circuit is adapted to store the amplitudes of signals in the register in response to input from the third ADC so that the CPU is adapted to read out the amplitudes of signals fed from the register, process I/O and scan signals sent from the CPU, and send the processed signals to the LED drive circuit for controlling brightness of the third detection loop,
• whereby dividing an audio frequency into a high frequency band, an intermediate frequency band, and a low frequency band for controlling blue, red, and green color LEDs respectively, and controlling a loop brightness by a loop amplitude will cause the full color LED based lighting apparatus operated in synchronism with music to be controlled by a triple loop frequency and triple loop amplitude.

In a full color LED based lighting apparatus operated in synchronism with music including an audio frequency band-pass filter, a level comparator, an integration circuit, a microcontroller, and an LED drive circuit, a method of controlling the full color LED based lighting control apparatus with respect to a single loop frequency, the method comprising the steps of:

• (a) initializing a register and I/O (input/output) values, clearing an SRAM (static RAM), and set parameters;
• (b) reading out display function parameters from an input port;
• and
• (c) calling a subroutine.

In a full color LED based lighting apparatus operated in synchronism with music including an audio frequency band-pass filter, a level comparator, an integration circuit, a microcontroller, and an LED drive circuit, a method of controlling the full color LED based lighting control apparatus with respect to a single loop frequency, the method comprising the steps of:

• initializing a register and I/O (input/output) values, clearing an SRAM (static RAM), and set parameters;
• reading out display function parameters from an input port;
• determining a machine type from a read machine type parameter;
• and
• calling one of a plurality of subroutines based on the machine type.

A full color LED based lighting control method, comprising:

• selecting a color;
• referring a lookup table to select the color;
• and
• establishing a color conversion table.

A full color LED based lighting control method, comprising the step of adjusting brightness by means of amplitude by performing operations comprising:

• causing an amplitude ratio to be 90/FF if color values of R, G, and B are FF, 3F, and 7F (hex) respectively after frequency conversion, and an amplitude is 90 (hex);
• and
• obtaining converted color values of R, G, and B of
• R=FF×90/FF=90 G=3F×90/FF=23 B=7F×90/FF=47
• after multiplying the amplitude ratio.