Sound equipment with tone-adjustable horse race lamp special effect

Abstract

The invention discloses sound equipment for adjusting the special effect of a horse race lamp, and the sound equipment comprises a tone detection module which is used for monitoring the rotation angle and direction of a tone modification knob in real time, and outputting a corresponding tone grade signal; the light control module is used for responding to the tone level signal and generating a corresponding light control signal, and the light control signal comprises that relative to a reference tone level, when the tone level is increased by one level, the light irradiation range is expanded by a first preset proportion, the brightness is increased by a first set proportion, and when the tone level is reduced by one level, the light irradiation range is expanded by a second preset proportion; the lamplight irradiation range is shrunk by a second preset proportion, and the brightness is reduced by a second set proportion; and the horse race lamp assembly is used for receiving the light control signal and dynamically adjusting the light effect of the horse race lamp. According to the invention, the signal of operating the tone modification knob by the user can be detected, the tone grade signal can be determined, the mapping relation between the tone grade and the light parameter can be established, the correlation between tone change and the light effect can be ensured, accurate regulation and control of the light irradiation range and brightness can be realized, deep coupling of auditory adjustment and visual feedback can be realized, and the user interaction experience can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of audio equipment, in particular to an audio equipment with a tone-adjustable marquee special effect. Background Art

[0002] Currently, some audio devices equipped with marquees have lighting effects that mostly only respond to natural changes in audio signals. Some also adjust lighting parameters based on passively detected decibel values. The interactive logic is simple and cannot capture the user's subjective intention to adjust the tone.

[0003] Specifically, when the user manually raises or lowers the pitch, the lighting effect still relies on the spectral characteristics of the original audio. This neither reflects the change in audio energy distribution after the pitch shift nor responds to the user's active interaction intent, resulting in a poor user immersion experience. Therefore, how to deeply couple the user-adjusted pitch level with the lighting effect to achieve a two-way interaction of "pitch adjustment and dynamic lighting response" has become a key direction for improving the user experience of smart audio devices. Summary of the Invention

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the object of the present invention is to provide an audio device with a pitch-adjustable marquee special effect.

[0005] The technical solution adopted by the present invention to solve the technical problem is: an audio device with a pitch-adjustable marquee special effect, comprising:

[0006] The pitch detection module is used to monitor the rotation angle and direction of the pitch knob in real time and output the corresponding pitch level signal;

[0007] a lighting control module, configured to respond to the tone level signal and generate a corresponding lighting control signal, wherein the lighting control signal includes: relative to a baseline tone level, for each increase in tone level, the lighting illumination range expands by a first preset proportion and the brightness increases by a first preset proportion; for each decrease in tone level, the lighting illumination range contracts by a second preset proportion and the brightness decreases by a second preset proportion;

[0008] The marquee component is used to receive the light control signal and dynamically adjust the light effect of the marquee.

[0009] As a further improvement of the present invention: further comprising:

[0010] an audio processing module for receiving an original audio signal, determining an offset coefficient in response to the pitch level signal, and performing up- or down-tuning processing on the original audio signal according to a product of the offset coefficient and the pitch level;

[0011] It is also used to analyze the time-varying feature data before and after the audio pitch is changed to determine the fundamental frequency change distribution or the frequency band change distribution, wherein the time-varying feature data includes a time-spectrum graph and a fundamental frequency curve;

[0012] The lighting control module generates a lighting control signal that continuously changes with time based on the time-varying feature data before the audio pitch is shifted, in response to the tone level signal in combination with the fundamental frequency change distribution or the frequency band change distribution.

[0013] As a further improvement of the present invention: the lighting control signal includes:

[0014] Relative to the baseline tone level, for every 1 level increase in tone level, the lighting range shrinks by 10%-15% and the brightness increases by 10%-20%;

[0015] Relative to the baseline tone level, for every 1-level decrease in tone level, the lighting range expands by 10%-15% and the brightness decreases by 10%-20%.

[0016] As a further improvement of the present invention: further comprising:

[0017] The pitch shift input unit is equipped with a rotatable pitch shift knob.

[0018] One click clockwise rotation corresponds to one pitch increase, and a total of 6 pitch increases are supported.

[0019] One counterclockwise rotation corresponds to one level of tone reduction, and a total of 6 levels of tone reduction are supported.

[0020] As a further improvement of the present invention, it further includes an audio input module that supports multiple working modes and all support pitch adjustment through the pitch change input unit; the working modes specifically include:

[0021] Bluetooth mode: connect to external devices via Bluetooth to obtain audio signals;

[0022] USB mode: play audio files in USB storage devices;

[0023] FM radio mode: Receive and play FM radio signals.

[0024] As a further improvement of the present invention: further comprising an ambient light sensor for monitoring the ambient light intensity when the light output brightness is lower than a set brightness threshold;

[0025] The lighting control module dynamically corrects the lighting range and brightness in the lighting control signal according to the ambient light intensity, specifically including:

[0026] When the ambient light intensity is greater than or equal to the set light intensity threshold, the first set ratio or the second set ratio of the brightness is corrected according to the first set coefficient to increase the light intensity;

[0027] When the ambient light intensity is less than the set light intensity threshold, the first preset ratio or the second preset ratio is corrected according to the second set coefficient to expand the lighting range.

[0028] As a further improvement of the present invention: the tone detection module includes:

[0029] Knob angle encoder, used to convert mechanical rotation into digital pulse signals;

[0030] Direction discrimination circuit, which distinguishes clockwise / counterclockwise rotation based on the orthogonal encoding principle;

[0031] The gear locking mechanism generates a gear trigger signal at each set rotation angle interval.

[0032] As a further improvement of the present invention: the audio processing module adopts a phase vocoder-based pitch shifting algorithm or a resampling-based pitch shifting algorithm to perform pitch shifting processing on the original audio signal.

[0033] As a further improvement of the present invention: the marquee assembly includes:

[0034] When the tone level signal is detected to be rising, the number of LED lamp beads flowing in the clockwise direction is increased, and the proportion of cool tones is increased;

[0035] When the tone level signal is detected as falling, the number of LED lamp beads flowing in the counterclockwise direction is increased, and the proportion of warm tones is increased.

[0036] As a further improvement of the present invention, the method further includes: turning off the light when the device is turned on or the audio is switched, and instructing the ambient light sensor to detect the ambient light intensity.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] The audio device of the present invention determines the pitch level signal based on the detected change of the pitch knob, and adjusts the brightness and illumination range of the light when the pitch is raised or lowered. The lighting effect can not only reflect the audio spectrum characteristics after the pitch is changed, but also respond to the pitch level requirements actively operated by the user, realizing the deep coupling of auditory adjustment and visual feedback, and providing an immersive experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a system framework diagram of the present invention.

[0040] Figure 2 It is a schematic diagram of the process of the present invention. DETAILED DESCRIPTION

[0041] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0042] In order to solve the technical problems in the prior art, the present invention is further described with reference to the accompanying drawings and embodiments:

[0043] like Figures 1 to 2 As shown, an embodiment of the present invention discloses an audio device with a pitch-adjustable marquee special effect, comprising:

[0044] The pitch detection module is used to monitor the rotation angle and direction of the pitch knob in real time and output the corresponding pitch level signal;

[0045] a lighting control module, configured to respond to the tone level signal and generate a corresponding lighting control signal, wherein the lighting control signal includes: relative to a baseline tone level, for each increase in tone level, the lighting illumination range expands by a first preset proportion and the brightness increases by a first preset proportion; for each decrease in tone level, the lighting illumination range contracts by a second preset proportion and the brightness decreases by a second preset proportion;

[0046] The marquee component is used to receive the light control signal and dynamically adjust the light effect of the marquee.

[0047] The embodiment of the present invention constructs a two-way interactive mechanism of "user tone adjustment-light dynamic response", so that the lighting effect can not only reflect the audio spectrum characteristics after tone shifting, but also respond to the level differences of the user's active operation, thereby achieving deep coupling of auditory adjustment and visual feedback, and enhancing the interactive experience of smart audio devices.

[0048] As users adjust the pitch, the marquee's lighting effects instantly respond, visually demonstrating the pitch changes. The corresponding changes in lighting range and brightness, along with the pitch level, enhance the user's perception of pitch adjustments, making the device more engaging and immersive. This overcomes the single-minded interaction logic of traditional audio devices, where lighting relies solely on the natural changes of the raw audio and is unable to respond to active pitch adjustments.

[0049] In some embodiments, the present invention further comprises:

[0050] an audio processing module for receiving an original audio signal, determining an offset coefficient in response to the pitch level signal, and performing up- or down-tuning processing on the original audio signal according to a product of the offset coefficient and the pitch level;

[0051] It is also used to analyze the time-varying feature data before and after the audio pitch is changed to determine the fundamental frequency change distribution or the frequency band change distribution, wherein the time-varying feature data includes a time-spectrum graph and a fundamental frequency curve;

[0052] The lighting control module generates a lighting control signal that continuously changes with time based on the time-varying feature data before the audio pitch is shifted, in response to the tone level signal in combination with the fundamental frequency change distribution or the frequency band change distribution.

[0053] Specifically, the preset values ​​of the light brightness and illumination range corresponding to different frequency bands are different. According to the frequency distribution of the spectrum diagram, if the energy of the high-frequency band increases (such as the fundamental frequency and harmonic frequency are shifted upward due to the up-regulation), the lighting parameters are generated to increase the brightness of the lights in the corresponding high-frequency area of ​​the marquee (such as the top light strip) or speed up the flashing frequency; if the energy of the low-frequency band is relatively prominent (such as when the modulation is down-regulated), the lighting parameters are generated to increase the brightness of the bottom light strip and dim the high-frequency light strip.

[0054] Specifically, the fundamental frequency changes over time, and the light brightness and illumination range corresponding to different fundamental frequencies are set differently. When the fundamental frequency obtained by analyzing the audio processing module increases, light parameters are generated to increase the brightness of the marquee and expand the illumination range; when the fundamental frequency decreases, light parameters are generated to decrease the brightness of the marquee and reduce the illumination range.

[0055] Dynamically generates lighting signals using time-varying characteristic data (spectrograms and fundamental frequency curves), synchronizing lighting changes with audio pitch changes. This not only responds to pitch level signals but also incorporates fundamental frequency distribution, avoiding the disconnect between audio and video caused by relying solely on knob manipulation.

[0056] The lighting effects are tightly coupled with the audio pitch-shifting process. The audio processing module accurately pitch-shifts the audio to ensure the sound quality and effect of the audio after pitch shifting. At the same time, by analyzing time-varying feature data, the lighting control module is provided with richer information, allowing the lighting control signal to more delicately reflect the changes in the audio. For example, in a musical performance, as the pitch of the melody changes, the lighting can not only change the illumination range and brightness according to the pitch level, but also dynamically adjust the lighting effects based on the time-varying characteristics of the audio, such as fluctuations in the fundamental frequency curve and changes in the frequency band. This enhances the synergy between music and lighting effects and further improves the user's immersive experience.

[0057] In some implementations, the lighting control signal includes:

[0058] Relative to the baseline tone level, for every 1 level increase in tone level, the lighting range shrinks by 10%-15% and the brightness increases by 10%-20%;

[0059] Relative to the baseline tone level, for every 1-level decrease in tone level, the lighting range expands by 10%-15% and the brightness decreases by 10%-20%.

[0060] Users can clearly perceive the focusing effect brought about by the increase in light brightness and the moderate contraction of the illumination range when the pitch rises; and the soothing atmosphere created by the decrease in light brightness and the expansion of the illumination range when the pitch lowers.

[0061] In some embodiments, an audio input module is further included, which supports multiple operating modes and all support pitch adjustment through the pitch change input unit; the operating modes specifically include:

[0062] Bluetooth mode: connect to external devices via Bluetooth to obtain audio signals;

[0063] USB mode: play audio files in USB storage devices;

[0064] FM radio mode: Receive and play FM radio signals.

[0065] Support for multiple operating modes greatly expands the device's usage scenarios and audio sources. Users can select different audio input methods based on their needs, and in each mode, they can enjoy the ability to link tone adjustment with lighting effects. For example, when playing music outdoors using a Bluetooth connection to a mobile phone, users can freely adjust the tone and see the lighting change accordingly. Indoors, when playing local music via USB mode or listening to the radio in FM radio mode, users can also adjust the tone and experience a unique lighting experience, enhancing the device's practicality and applicability.

[0066] In some embodiments, an ambient light sensor is further included to monitor the ambient light intensity when the light output brightness is lower than a set brightness threshold;

[0067] The lighting control module dynamically corrects the lighting range and brightness in the lighting control signal according to the ambient light intensity, specifically including:

[0068] When the ambient light intensity is greater than or equal to the set light intensity threshold, the first set ratio or the second set ratio of the brightness is corrected according to the first set coefficient to increase the light intensity;

[0069] When the ambient light intensity is less than the set light intensity threshold, the first preset ratio or the second preset ratio is corrected according to the second set coefficient to expand the lighting range.

[0070] Specifically, when the ambient light intensity is greater than or equal to the set light intensity threshold, the first set ratio or the second set ratio of the brightness is corrected according to the first set coefficient to increase the light intensity and ensure that the light can still be clearly seen in a brighter environment; when the ambient light intensity is less than the set light intensity threshold, the first preset ratio or the second preset ratio is corrected according to the second set coefficient to expand the light illumination range to meet the needs of creating atmosphere in a darker environment.

[0071] The addition of an ambient light sensor enables the device's lighting effects to automatically optimize based on ambient light conditions. In brighter environments, the device automatically increases lighting brightness to ensure the visual impact of the lighting effect. In darker environments, the lighting coverage is expanded to create a wider range of light and shadow effects, enhancing the user experience in different environments. This adaptive adjustment function further demonstrates the device's intelligence and enhances its integration with the environment in which it is used.

[0072] Furthermore, the light is turned off when the device is turned on or the audio is switched, and the ambient light sensor is instructed to detect the ambient light intensity.

[0073] When the device is turned on or when the audio is switched, the lights are turned off and the ambient light sensor is instructed to detect the ambient light intensity. This ensures that the lighting effects do not appear abruptly when the device is in the initial state or when the audio is switched. The device also obtains the current ambient light information in a timely manner, preparing for the subsequent dynamic adjustment of the lighting effects based on the ambient light conditions.

[0074] In some implementations, the audio processing module uses a phase vocoder-based pitch shifting algorithm or a resampling-based pitch shifting algorithm to perform pitch shifting processing on the original audio signal.

[0075] The pitch shifting algorithm based on the phase vocoder performs a short-time Fourier transform on the audio signal, adjusts the phase angle of the signal in the frequency domain, achieves pitch rise and fall, and can better maintain the sound quality and phase continuity of the audio; the pitch shifting algorithm based on resampling achieves the purpose of pitch shifting by changing the sampling rate of the audio signal and adjusting the fundamental frequency of the signal. While ensuring the pitch shifting effect, it can also maintain the original characteristics of the audio to a certain extent.

[0076] In some embodiments, the marquee assembly includes:

[0077] When the tone level signal is detected to be rising, the number of LED lamp beads flowing in the clockwise direction is increased, and the proportion of cool tones is increased;

[0078] When the tone level signal is detected as falling, the number of LED lamp beads flowing in the counterclockwise direction is increased, and the proportion of warm tones is increased.

[0079] The lighting effects not only change brightness and illumination range, but also further reflect changes in tone through the direction and color of the light beads. When the tone is raised, the tone changes clockwise to cooler, while when it is lowered, the tone changes counterclockwise to warmer. This deep fusion of visual effects and auditory perception greatly enhances the user's immersion and experience, allowing users to experience the coordinated changes of audio and lighting from multiple dimensions while adjusting the tone.

[0080] In some embodiments, the present invention further comprises:

[0081] The pitch shift input unit is equipped with a rotatable pitch shift knob.

[0082] One click clockwise rotation corresponds to one pitch increase, and a total of 6 pitch increases are supported.

[0083] One counterclockwise rotation corresponds to one level of tone reduction, and a total of 6 levels of tone reduction are supported.

[0084] With a simple turn of the knob, users can precisely adjust the pitch, and the six-level setting gives users ample adjustment space without making the adjustment process too complicated. The six-level bidirectional adjustment provides more precise tonal control, and the knob's stepped design enhances operational precision through tactile feedback.

[0085] Of course, the number of rising or falling pitch levels can be adjusted according to actual needs, and the pitch changes corresponding to adjacent rising or falling pitch levels can be designed differently.

[0086] In some implementations, the tone detection module includes:

[0087] Knob angle encoder, used to convert mechanical rotation into digital pulse signals;

[0088] Direction discrimination circuit, which distinguishes clockwise / counterclockwise rotation based on the orthogonal encoding principle;

[0089] The gear locking mechanism generates a gear trigger signal at each set rotation angle interval.

[0090] The knob angle encoder converts the mechanical rotation of the pitch knob into a digital pulse signal, with the number of pulses reflecting the angle of rotation. The direction detection circuit, based on the principle of orthogonal encoding, distinguishes whether the pitch knob is rotated clockwise or counterclockwise, thereby determining whether the pitch is rising or falling. The gear lock mechanism generates a gear trigger signal at every set rotation angle interval. This, in conjunction with the knob angle encoder and direction detection circuit, precisely determines the pitch position of the pitch knob and outputs an accurate pitch level signal.

[0091] Practical audio equipment operation instructions (Bluetooth mode)

[0092] 1. Connect the device to the mobile phone Bluetooth or other Bluetooth products

[0093] 2. Play music

[0094] 3. Rotate the MUSIC VOICE pitch knob to change the pitch of the music being played

[0095] 4. Rotate the pitch knob clockwise one click to increase the pitch of the music by one level. There are 6 levels of pitch increase in total.

[0096] 5. Rotate the pitch knob counterclockwise one click to lower the pitch of the music by one level. There are 6 levels of pitch reduction in total.

[0097] USB mode / FM radio mode / USB music playback mode operation: press the host function switch button to switch to the corresponding function. The operation is the same as Bluetooth mode.

[0098] In summary, after reading the present invention document, ordinary technicians in this field can make various other corresponding transformation schemes based on the technical solutions and technical concepts of the present invention without creative mental work, and all of them fall within the scope of protection of the present invention.

Claims

1. A sound device with a pitch-adjustable marquee special effect, characterized in that: include: The pitch detection module is used to monitor the rotation angle and direction of the pitch knob in real time and output the corresponding pitch level signal; a lighting control module, configured to respond to the tone level signal and generate a corresponding lighting control signal, wherein the lighting control signal includes: relative to a baseline tone level, for each increase in tone level, the lighting illumination range expands by a first preset proportion and the brightness increases by a first preset proportion; for each decrease in tone level, the lighting illumination range contracts by a second preset proportion and the brightness decreases by a second preset proportion; The marquee component is used to receive the light control signal and dynamically adjust the light effect of the marquee.

2. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: Also includes: an audio processing module for receiving an original audio signal, determining an offset coefficient in response to the pitch level signal, and performing up- or down-tuning processing on the original audio signal according to a product of the offset coefficient and the pitch level; It is also used to analyze the time-varying feature data before and after the audio pitch is changed to determine the fundamental frequency change distribution or the frequency band change distribution, wherein the time-varying feature data includes a time-spectrum graph and a fundamental frequency curve; The lighting control module generates a lighting control signal that continuously changes with time based on the time-varying feature data before the audio pitch is shifted, in response to the tone level signal in combination with the fundamental frequency change distribution or the frequency band change distribution.

3. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: Lighting control signals include: Relative to the baseline tone level, for every 1 level increase in tone level, the lighting range shrinks by 10%-15% and the brightness increases by 10%-20%; Relative to the baseline tone level, for every 1-level decrease in tone level, the lighting range expands by 10%-15% and the brightness decreases by 10%-20%.

4. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: Also includes: The pitch shift input unit is equipped with a rotatable pitch shift knob. One click clockwise rotation corresponds to one pitch increase, and a total of 6 pitch increases are supported. One counterclockwise rotation corresponds to one level of tone reduction, and a total of 6 levels of tone reduction are supported.

5. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: It also includes an audio input module that supports multiple working modes and all support pitch adjustment through the pitch change input unit; the working modes specifically include: Bluetooth mode: connect to external devices via Bluetooth to obtain audio signals; USB mode: play audio files in USB storage devices; FM radio mode: Receive and play FM radio signals.

6. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: Also included is an ambient light sensor for monitoring ambient light intensity when the light output brightness is below a set brightness threshold; The lighting control module dynamically corrects the lighting range and brightness in the lighting control signal according to the ambient light intensity, specifically including: When the ambient light intensity is greater than or equal to the set light intensity threshold, the first set ratio or the second set ratio of the brightness is corrected according to the first set coefficient to increase the light intensity; When the ambient light intensity is less than the set light intensity threshold, the first preset ratio or the second preset ratio is corrected according to the second set coefficient to expand the lighting range.

7. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: The tone detection module includes: Knob angle encoder, used to convert mechanical rotation into digital pulse signals; Direction discrimination circuit, which distinguishes clockwise / counterclockwise rotation based on the orthogonal encoding principle; The gear locking mechanism generates a gear trigger signal at each set rotation angle interval.

8. The audio device with a pitch-adjustable marquee special effect according to claim 2, characterized in that: The audio processing module adopts a phase vocoder-based pitch shifting algorithm or a resampling-based pitch shifting algorithm to perform pitch shifting processing on the original audio signal.

9. The audio device with a pitch-adjustable marquee special effect according to claim 1, characterized in that: The marquee assembly includes: When the tone level signal is detected to be rising, the number of LED lamp beads flowing in the clockwise direction is increased, and the proportion of cool tones is increased; When the tone level signal is detected as falling, the number of LED lamp beads flowing in the counterclockwise direction is increased, and the proportion of warm tones is increased.

10. The audio device with a pitch-adjustable marquee special effect according to claim 6, characterized in that: Also includes: Turn off the lights when the device is turned on or the audio is switched, and instruct the ambient light sensor to detect the ambient light intensity.

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