A lamp effect control method of a lamp strip, a sound, an atmosphere lamp device and a robot

Abstract

The application is suitable for the technical field of lamp effect control, and provides a lamp effect control method of a lamp strip, a sound, an atmosphere lamp device and a robot. The method comprises the following steps: collecting energy data of preset frequency points collected at multiple sampling time points, the preset frequency points comprising high frequency points and low frequency points; determining total energy of the high frequency points and total energy of the low frequency points at each sampling time point according to the energy data of the preset frequency points; determining an energy level of audio at a current time based on the total energy of the high frequency points and the total energy of the low frequency points; obtaining total energy of percussion instrument frequency points according to second energy data of multiple percussion instrument frequency points at the current time; and determining a lamp effect mode of the lamp strip based on the energy level and the total energy of the percussion instrument frequency points. The application matches different lamp effect modes corresponding to the energy level of the audio divided in a refined manner, so that the lamp effect change is consistent with the fluctuation of the music rhythm, the lamp effect change and the rhythm of the audio form accurate linkage, and high consistency of audio-visual experience is achieved.

Claims

1. A method for controlling the lighting effect of a light strip, characterized in that, include: Acquire first energy data of a preset frequency point in the audio, wherein the first energy data includes energy values ​​of the preset frequency point in the audio collected at multiple sampling times, the multiple sampling times include the current sampling time and the sampling times before the current time, the preset frequency point includes high frequency point and low frequency point, wherein the energy value of the preset frequency point is determined according to the amplitude of the frequency point; The first energy data of the preset frequency points are added together to obtain the total energy of the high-frequency points and the total energy of the low-frequency points at each sampling time. Based on the total energy of the high-frequency points and the total energy of the low-frequency points, the energy level of the audio at the current moment is determined, wherein the energy level is used to characterize the energy intensity of the audio. Acquire the second energy data of multiple percussion instrument frequency points at the current moment; The second energy data are added together to obtain the total energy of the percussion instrument frequency at the current moment; Based on the energy level, the total energy of the percussion instrument frequency, and a preset mapping relationship, the lighting effect mode of the light strip is determined. The mapping relationship includes the correspondence information between the energy level, the total energy of the percussion instrument frequency, and the lighting effect mode. Based on the determined lighting effect mode, the light strip is controlled to light up.

2. The method as described in claim 1, characterized in that, Determining the energy level of the audio at the current moment based on the total energy of the high-frequency points and the total energy of the low-frequency points includes: Extract the total energy of high-frequency points at each sampling moment within the first time period, and determine the average high-frequency energy within the first time period. The first time period is the time period from the i-th sampling moment to the j-th sampling moment, where the j-th sampling moment is the sampling moment of the current moment, j is greater than i, and i ≥ 1. Extract the total energy of low-frequency points at each sampling time within the first time period, and determine the average low-frequency energy within the first time period; The energy level of the audio at the current moment is determined based on the average high-frequency energy and the average low-frequency energy of the first time period.

3. The method as described in claim 2, characterized in that, Before determining the energy level of the audio at the current moment based on the average high-frequency energy and the average low-frequency energy of the first time period, the method further includes: Obtain the high-frequency energy change rate and low-frequency energy change rate at the current moment; Based on the high-frequency energy change rate, a high-frequency energy parameter is determined within the first time period. Where the high-frequency energy change rate is greater than a first preset threshold, the average high-frequency energy value within the first time period is determined as the high-frequency energy parameter. Where the high-frequency energy change rate is less than or equal to the first preset threshold, the high-frequency energy parameter is recorded as 0. Based on the low-frequency energy change rate, a low-frequency energy parameter is determined within the first time period. Wherein, if the low-frequency energy change rate is greater than a second preset threshold, the average low-frequency energy value within the first time period is determined as the low-frequency energy parameter; if the low-frequency energy change rate is less than or equal to the second preset threshold, the low-frequency energy parameter is recorded as 0. Accordingly, determining the energy level of the audio at the current moment based on the average high-frequency energy and the average low-frequency energy of the first time period includes: Based on the high-frequency energy parameters and low-frequency energy parameters within the first time period, the energy level of the audio at the current moment is determined.

4. The method as described in claim 3, characterized in that, Determining the energy level of the audio at the current moment based on the high-frequency energy parameters and low-frequency energy parameters within the first time period includes: The high-frequency energy parameters and low-frequency energy parameters within the first time period are added together to obtain the average total energy. The target energy average is obtained by multiplying the total average energy by a preset coefficient and then rounding it down. The energy level of the audio at the current moment is determined based on the target average energy.

5. The method as described in claim 3, characterized in that, The acquisition of the high-frequency energy change rate and low-frequency energy change rate at the current moment includes: Extract the total energy of high-frequency points at each sampling time within the second time period, and determine the average high-frequency energy within the second time period, wherein the second time period is the time period from the (i-1)th sampling time to the (j-1)th sampling time. The high-frequency energy change rate is determined based on the average high-frequency energy value during the first time period and the average high-frequency energy value during the second time period. Extract the total energy of low-frequency points at each sampling time within the second time period, and determine the average low-frequency energy within the second time period; The rate of change of low-frequency energy is determined based on the average low-frequency energy value during the first time period and the average low-frequency energy value during the second time period.

6. The method according to any one of claims 1 to 5, characterized in that, The determination of the light strip's lighting effect mode based on the energy level, the total energy of the percussion instrument's frequency, and a preset mapping relationship includes: Based on the energy level, the total energy of the percussion instrument frequency, and a preset mapping relationship, the on / off speed of the LED beads in the light strip is determined, wherein the lighting effect mode includes the on / off speed of the LED beads.

7. The method as described in claim 6, characterized in that, The lighting effect mode includes the on / off speed of the LED beads and the movement step of the sliding window; The step of controlling the light strip to light up based on the determined lighting effect mode includes: The size of the sliding window and the direction of movement of the sliding window are obtained, wherein the sliding window includes at least one LED; Based on the size of the sliding window, the direction of movement of the sliding window, the on / off speed of the LED beads, and the movement step size of the sliding window, the movement of the sliding window is controlled, and the on / off state of the LED beads in the sliding window is also controlled.

8. A sound system, characterized in that, include: A light strip, wherein the light strip is provided with multiple LED beads; The device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements the lighting effect control method for the light strip as described in any one of claims 1 to 7, so that the light strip is illuminated.

9. An ambient lighting device, characterized in that, The ambient lighting device includes: A light strip installed in the interior of a passenger vehicle, the light strip having multiple LED beads; The device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements the lighting effect control method for the light strip as described in any one of claims 1 to 7, so that the light strip is illuminated.

10. A robot, characterized in that, include: A light strip, wherein the light strip is provided with multiple LED beads; The device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements the lighting effect control method for the light strip as described in any one of claims 1 to 7, so that the light strip is illuminated.

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