Loudspeaker system

Abstract

The invention relates to the field of sound equipment, in particular to a loudspeaker system. The loudspeaker system comprises a main loudspeaker module, a Bluetooth module, a control module, a light module and a voice prompt module, and all the modules carry out data transmission and control instruction transmission through an internal bus. In addition, the system also comprises functional modules such as a standby mode control unit, a multi-synchronization mode control unit, a volume adjustment module, an EQ setting module, an automatic power-off module, a manufacturer reset module, a firmware updating module, an illumination mode control module and a battery state monitoring module. According to the invention, integration of multiple functions is realized, the user experience is improved, and the stability and reliability of the system are ensured at the same time.

Description

Technical Field

[0001] The present application relates to the technical field of audio equipment, and in particular to a speaker system. Background Art

[0002] Speaker systems play a vital role in modern audio equipment and are widely used in home entertainment, portable audio and personal audio equipment. As consumers' demands for sound quality and functionality continue to increase, speaker systems on the market continue to innovate and have a variety of smart functions and technical features. For example, Bluetooth wireless connection technology allows users to easily control speakers through smartphones or other mobile devices to achieve functions such as music playback and volume adjustment.

[0003] In order to meet the above needs, the common speaker systems on the market have adopted a variety of technical means to improve the user experience. First of all, most speaker systems are equipped with Bluetooth modules to achieve wireless communication with external devices, support pairing, connection status management and Bluetooth device selection.

[0004] Although the existing speaker systems are quite complete in terms of functions, they still have some shortcomings, especially the lack of flexibility in supporting multiple synchronization modes, which may lead to problems such as unstable connection and synchronization delay in actual use. Summary of the invention

[0005] A speaker system, comprising: a main speaker module, used to synchronize with other speaker modules and broadcast audio signals; a Bluetooth module, used to communicate wirelessly with external devices, and specific implementations include pairing, connection status management and selection of Bluetooth devices; a control module, used to control various functions and states of the system, including switching of standby mode, management of multiple synchronization modes and status monitoring of other functions; a lighting module, used to display lights of different colors, specifically including warm yellow, red, neon green, magenta, color cycle and off modes, and can be controlled by buttons or applications; a voice prompt module, used to issue voice prompts or sound effects when specific events occur, and specific scenarios include Bluetooth connection, synchronized speakers, standby mode switching, etc.; wherein the main speaker module is electrically connected to the Bluetooth module, control module, lighting module and voice prompt module, and data transmission and control command transmission are carried out between the modules through an internal bus.

[0006] By adopting the above technical solutions, the speaker system can provide efficient and convenient functional experience in a variety of scenarios. The main speaker module synchronizes and broadcasts audio signals with multiple speaker modules to ensure audio consistency in multiple rooms or multiple areas. The Bluetooth module realizes stable wireless communication, supports pairing, connection status management and device selection, and enhances user experience. The control module is responsible for the overall function and status monitoring of the system, including the switching of standby mode and the management of multiple synchronization modes. The lighting module enhances the visual effect through different color modes (such as warm yellow, red, neon green, magenta, color cycle and off), and can be flexibly controlled by buttons or applications. The voice prompt module emits clear prompt sounds or sound effects at key events (such as Bluetooth connection, synchronized speakers, standby mode switching), improving user interactivity. The electrical connection between each module and the data transmission of the internal bus ensure the stability and reliability of the system.

[0007] Preferably, it also includes: a standby mode control unit, used to switch the system between standby mode and working mode, specifically by detecting user operations (such as quickly pressing the power button) to trigger entry and exit of standby mode; when the system enters standby mode, it should receive a confirmation message, and in standby mode, if the battery power drops to 10%, it will automatically shut down completely; wherein, the standby mode control unit is electrically connected to the control module, the battery status monitoring module and the voice prompt module, and is used to coordinate the operation and status feedback of the standby mode.

[0008] By adopting the above technical solution, the system can quickly enter the standby mode when it detects that the user quickly presses the power button, and automatically shut down completely when the battery power drops to 10% in the standby mode, ensuring the low power operation of the system and extending the battery life. At the same time, the system will send a confirmation message when entering the standby mode and continuously monitor the battery status during the standby period, thereby improving the user experience and system reliability.

[0009] Preferably, it also includes: a multi-synchronous mode control unit, which is used to synchronously connect the main speaker module and other speaker modules, specifically by double-clicking the Bluetooth button to enter the multi-synchronous mode, and issuing corresponding voice prompts or sound effects after the connection is successful; supporting the simultaneous connection of up to 100 speakers, and during the connection process the LED indicator flashes green until the connection is completed; the link time should be less than 3 seconds, and the connection status remains in standby mode; wherein the multi-synchronous mode control unit is electrically connected to the main speaker module, Bluetooth module, control module and lighting module, and is used to coordinate the operation and status feedback of the multi-synchronous mode.

[0010] By adopting the above technical solutions, the main speaker module can efficiently synchronize with other speaker modules and broadcast audio signals. You can easily enter the multi-synchronization mode by double-clicking the Bluetooth button. After the connection is successful, the system will issue a clear voice prompt or sound effect to ensure that the user knows the result of the operation. It supports the simultaneous connection of up to 100 speakers. The LED indicator will flash green during the connection process until it is completed. The entire connection process does not exceed 3 seconds, ensuring an efficient user experience. Even in standby mode, the connection status between speakers remains stable, ensuring the reliability and convenience of the system.

[0011] Preferably, it also includes: a volume adjustment module, used to adjust the volume of the speaker system, specifically through a slider control or physical buttons in the application to increase or decrease the volume; the volume adjustment range is 0 to 100, and each adjustment differs by at least 6% to ensure that the user can feel the change; after initial startup, the voice prompt should be 60% of the current user selected volume. If the user volume is 0, the volume of the voice prompt is 10%; wherein the volume adjustment module is electrically connected to the control module, the application interface and the voice prompt module, and is used to coordinate the volume adjustment operation and status feedback.

[0012] By adopting the above technical solution, users can easily adjust the volume of the speaker system through the slider control or physical buttons in the application. The volume adjustment range is 0 to 100, and each adjustment is at least 6% to ensure that users can clearly feel the change in volume. After initial startup, the volume of the voice prompt will automatically adjust to 60% of the current user-selected volume. If the user sets the volume to 0, the volume of the voice prompt will automatically adjust to 10%, thereby ensuring the best user experience in different usage scenarios.

[0013] Preferably, it also includes: an EQ setting module, used to adjust the equalizer settings of the high, medium and low frequency bands, specifically adjusting the gain value of each frequency band through the slider control or preset options in the application; the preset options include flat, rock, pop and other styles, and can be customized according to the user's personalized needs; the preset gain value can be adjusted in the range of 0 to 32, and the step size of each adjustment is 1; wherein the EQ setting module is electrically connected to the control module, the application interface and the audio processing module, and is used to coordinate the operation and status feedback of the equalizer settings.

[0014] By adopting the above technical solutions, users can flexibly adjust the equalizer settings of high, medium and low frequency bands through the slider controls or preset options in the application to meet different music styles and personal preferences. The preset gain value is adjustable in the range of 0 to 32, with a step size of 1 each time, ensuring fine adjustment capabilities. In addition, the electrical connection between the EQ setting module and the control module, application interface and audio processing module ensures the timeliness and accuracy of the adjustment operation, improving the user experience.

[0015] Preferably, it also includes: an automatic shutdown module, which is used to automatically shut down or enter standby mode after a period of no audio playback, the specific time is 30 minutes, and completely shut down when the battery power drops to 10% in standby mode; after the first power-on or factory reset, the system will automatically enter Bluetooth pairing mode, and memorize the settings before the last shutdown, and restore these settings when powered on next time; if no Bluetooth connection is established within 300 seconds, the system will enter standby mode; Among them, the automatic shutdown module is electrically connected to the control module, the battery status monitoring module and the Bluetooth module, and is used to coordinate the operation and status feedback of the automatic shutdown and standby modes.

[0016] By adopting the above technical solutions, the speaker system can automatically shut down or enter standby mode after 30 minutes of no audio playback, effectively saving energy and extending battery life. In standby mode, when the battery power drops to 10%, the system will automatically shut down completely to prevent damage caused by excessive battery discharge. After the first power-on or factory reset, the system automatically enters Bluetooth pairing mode and memorizes the settings before the last shutdown, and restores these settings when it is powered on next time, improving the consistency and convenience of the user experience. If a Bluetooth connection is not established within 300 seconds, the system will enter standby mode, further saving energy and avoiding long periods of idle operation.

[0017] Preferably, it also includes: a manufacturer reset module, used to clear all presets and settings and restore to the factory state, the specific operation is to press and hold the power button and Bluetooth button for 10 seconds; after resetting, the system will automatically enter Bluetooth pairing mode and initialize all settings to factory defaults; factory default settings include Bluetooth pairing mode, master volume synchronized with the device, turned on voice prompts and sound effects, flat EQ settings, and warm yellow lighting mode; Among them, the manufacturer reset module is electrically connected to the control module, storage module and various functional modules, and is used to coordinate the manufacturer reset operation and status feedback.

[0018] By adopting the above technical solution, users can easily perform a factory reset by pressing and holding the power button and Bluetooth button for 10 seconds, clearing all presets and settings and restoring to the factory state. After the reset, the system will automatically enter Bluetooth pairing mode and initialize all settings to factory defaults, including Bluetooth pairing mode, master volume synchronized with the device, voice prompts and sound effects turned on, flat EQ settings, and warm yellow lighting mode. This design not only simplifies the user's operation steps, but also ensures the stability and consistency of the system after the reset, improving the user experience.

[0019] Preferably, it also includes: a firmware update module, used to receive and install the new firmware version wirelessly, specifically through the OTA function in the application; after the firmware update is completed, the system will restart and load the new version of the firmware; during the update process, the system will display a progress bar and inform the user of the update status through voice prompts; wherein, the firmware update module is electrically connected to the control module, network module and storage module, and is used to coordinate the operation and status feedback of the firmware update.

[0020] By adopting the above technical solution, the firmware update module can receive and install the firmware version wirelessly, and use the OTA function in the application to simplify the user's operation process. After the firmware update is completed, the system will automatically restart and load the new version of the firmware to ensure the stability and security of the system. During the update process, the system will display a progress bar and inform the user of the current update status through voice prompts, which improves the user experience. In addition, the electrical connection between the firmware update module and the control module, network module and storage module ensures the smooth progress of the entire update process and realizes effective coordination and status feedback of the firmware update operation.

[0021] Preferably, it also includes: a lighting mode control module, which is used to control different lighting modes, specifically including warm yellow, red, neon green, magenta, color cycle and off modes, and can be switched by quickly pressing the Bluetooth / light button or the control interface in the application; the lighting mode memory function enables the system to restore to the last selected mode after a power cycle; the RGB value in the pure color mode can be precisely adjusted through the application; wherein the lighting mode control module is electrically connected to the control module, the application interface and the lighting module, and is used to coordinate the operation and status feedback of the lighting mode.

[0022] By adopting the above technical solutions, users can easily switch between different modes of light, including warm yellow, red, neon green, magenta, color cycle and off, by quickly pressing the Bluetooth / light button or the control interface in the application. In addition, the system has a memory function for the light mode, which can be restored to the last selected mode after the power cycle, improving the consistency and convenience of the user experience. The RGB value in the pure color mode can also be precisely adjusted through the application to meet the personalized needs of users.

[0023] Preferably, it also includes: a battery status monitoring module, which is used to monitor the battery charging and discharging status in real time, and display the current battery power through the application or the system's built-in display screen; when the battery is full, the system will emit a prompt sound and stop charging; when plugging and unplugging the USB charging cable, the system will instantly update the battery status and display the charging percentage on the screen; wherein the battery status monitoring module is electrically connected to the control module, the application interface and the display screen module, and is used to coordinate the operation and status feedback of the battery status monitoring.

[0024] By adopting the above technical solutions, the speaker system can monitor the charging and discharging status of the battery in real time, and accurately display the current battery power through the application or the system's built-in display. When the battery is full, the system will automatically sound a prompt and stop the charging process to avoid the risk of overcharging. When plugging and unplugging the USB charging cable, the system can instantly update the battery status and display the latest charging percentage on the screen, ensuring that users are aware of the device's power status at any time.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. Realize wireless communication with external devices through Bluetooth module, support pairing, connection status management and selection of Bluetooth devices, and improve the flexibility and convenience of the system; 2. The control module coordinates the work of multiple sub-modules, realizes the intelligent switching of standby mode, the effective management of multiple synchronization modes, and the precise control of volume and lighting modes, which improves the user experience; 3. The multi-synchronous mode control unit supports the simultaneous connection of up to 100 speakers, and the LED indicator flashes green until the connection is completed, ensuring the visualization and stability of the connection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a principle block diagram of a speaker system according to an embodiment of the present application.

[0027] Figure 2 It is a flow chart of a speaker control method according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-Figure 2 This application is described in further detail.

[0029] The embodiment of the present application discloses a speaker system.

[0030] Embodiment 1: Reference Figure 1 and Figure 2 The speaker system provided in the embodiment of the present application includes a main speaker module, a Bluetooth module, a control module, a lighting module and a voice prompt module, wherein the coordination relationship between the modules is as follows: The main speaker module includes a high-performance DSP processor, a high-power amplifier, and a high-quality speaker unit. The high-performance DSP processor is responsible for processing audio signals to ensure high fidelity of sound quality; the high-power amplifier guarantees sufficient output power to meet the needs of use in various environments; the high-quality speaker unit is made of advanced materials and has good sound expression. In addition, a digital signal processor (DSP) or other high-performance audio processing chips can be used to replace the high-performance DSP processor to adapt to different application scenarios. Specifically, the high-performance DSP processor can choose high-end DSP chips such as Texas Instruments' TMS320C6748 or ADI's ADSP-SC589 to provide higher audio processing capabilities.

[0031] The Bluetooth module integrates a high-performance Bluetooth chip, supports the latest Bluetooth protocol standards, and ensures high-speed and stable wireless connection. The Bluetooth antenna is reasonably designed, has strong anti-interference ability, and can work stably in complex environments. The Bluetooth chip can choose high-performance Bluetooth chips such as Nordic nRF52 series or TI CC2640R2F to improve the performance and compatibility of the system. Specifically, the Bluetooth antenna can use an inverted F-type antenna or a ceramic patch antenna to optimize the signal transmission distance and stability.

[0032] The control module is based on an ARM-based microcontroller with powerful computing power and rich peripheral interfaces. It is connected to each functional module through an internal bus to achieve data transmission and control instruction delivery. The module has a variety of sensor interfaces, which can be connected to environmental sensors such as temperature and humidity to improve the intelligence level of the system. The microcontroller can choose the STM32F103 series or the ESP32 series to meet different performance requirements. Specifically, the control module can exchange data with each functional module through serial communication interfaces such as SPI, I2C or UART, thereby achieving efficient collaborative work.

[0033] The lighting module uses RGB LED lamp beads, which can achieve precise control of multiple colors. The module has a built-in PWM dimming circuit, which generates any desired color by adjusting the ratio of the three basic colors of red, green and blue. The lighting effect can be switched by quickly pressing the Bluetooth / Light button or the control interface in the application. RGB LED lamp beads can choose high-efficiency LED lamp beads such as Philips LUXEON C or Cree XP-E to improve brightness and life. Specifically, the PWM dimming circuit can use a dedicated constant current driver chip such as Linear Technology's LT3478 or National Semiconductor's LM3464 to achieve smooth brightness adjustment.

[0034] The voice prompt module integrates high-quality microphones and speakers, supporting multiple languages ​​and sound effects. The module is embedded with a TTS (Text-to-Speech) engine, which can generate natural and fluent voice prompts based on the preset text content. At the same time, the module also has a recording function, so users can record their own voice prompts to increase the personalized experience. High-quality microphones can choose MEMS microphones such as Knowles SPH0645DM or Knowles SPH0645LM4H-B to improve the quality of sound pickup. Specifically, the TTS engine can use Google Text-to-Speech API or IBM Watson Text to Speech service to provide a variety of speech synthesis options.

[0035] Specifically, the main speaker module is electrically connected to a high-performance DSP processor, a high-power amplifier and a high-quality speaker unit to jointly process and play audio signals. The Bluetooth module is electrically connected to a high-performance Bluetooth chip and a Bluetooth antenna to achieve wireless communication with external devices. The control module is electrically connected to an ARM-based microcontroller, an internal bus, and a variety of sensor interfaces to achieve system status monitoring and function control. The lighting module is electrically connected to RGB LED lamp beads and a PWM dimming circuit to achieve light displays of different colors. The voice prompt module is electrically connected to a high-quality microphone, a speaker, and a TTS engine to achieve voice prompts or sound effects when specific events occur.

[0036] Correspondingly, the embodiment of the present application further discloses a speaker control method, comprising the following steps: S1: Users need to pair with external devices (such as mobile phones, tablets or computers) through the Bluetooth module.

[0037] This usually involves turning on Bluetooth on your device, searching for available Bluetooth devices, selecting the speaker system and completing the pairing process. Once paired, the speaker system will automatically connect to the device and be ready to receive audio signals.

[0038] S2: After the connection is successful, the main speaker module starts to receive audio signals from the external device.

[0039] Through the coordination of the control module, the main speaker module synchronizes the audio signal to other speaker modules, ensuring that all speakers play synchronously and provide a consistent audio experience. Users can control the volume, play, pause or skip tracks through external devices.

[0040] S3: The user can select the display mode of the light module through the control module or a dedicated application.

[0041] Including warm yellow, red, neon green, magenta, color cycle or off. The choice of lighting mode can enhance the environment atmosphere and provide visual enjoyment.

[0042] S4: When a specific event occurs, including successful Bluetooth connection, speaker synchronization completion, or switching to standby mode, the voice prompt module will play the corresponding voice prompt or sound effect to inform the user of the system status.

[0043] In addition, the control module continuously monitors the system status to ensure that all functions are functioning properly and notifies the user through voice prompts or an app if a problem is detected.

[0044] S5: Users can switch the state of the speaker system through the control module, including entering standby mode to save power, or selecting multi-sync mode to achieve more complex audio playback scenarios.

[0045] The control module is also responsible for managing the overall functions of the speaker system, including volume control, sound effect settings and system settings, ensuring that users can customize the speaker system experience according to their personal preferences and needs.

[0046] In summary, by integrating multiple functional modules, such as the main speaker module, Bluetooth module, control module, lighting module and voice prompt module, an audio solution that is both efficient and provides a rich user experience is provided. This design not only meets the user's basic needs for sound quality and functionality, but also enhances the interactivity and entertainment of the system through elements such as lighting and voice prompts, allowing the speaker system to perform well in different scenarios such as home, office or entertainment venues.

[0047] The implementation principle of this embodiment is: through efficient hardware configuration and reasonable software design, the versatility and stability of the speaker system are achieved. The combination of the main speaker module and the Bluetooth module enables the system to be easily connected to external devices to achieve wireless audio playback. The effective management of the control module ensures the normal operation of various functions of the system. The introduction of the lighting module and the voice prompt module increases the interactivity and fun of the system. Overall, this embodiment provides an efficient, stable and multifunctional speaker system, which significantly improves the user experience.

[0048] Embodiment 2: The difference between this embodiment and the above embodiment is that a standby mode control unit is added.

[0049] The standby mode control unit is based on a low-power MCU and has sleep and wake-up functions. By detecting user operations (such as quickly pressing the power button), the entry and exit of the standby mode are triggered. The control unit is electrically connected to the control module, the battery status monitoring module, and the voice prompt module to achieve standby mode operation and status feedback. The low-power MCU can choose the Texas Instruments MSP430 series or the Silicon Labs EFM32 series to extend battery life. Specifically, the standby mode control unit can periodically check the battery power after the system enters standby mode, and automatically shut down completely when the battery power is less than 10% to prevent excessive battery discharge.

[0050] Specifically, the standby mode control unit is electrically connected to the low-power MCU, sleep and wake-up functions, and triggers the entry and exit of the standby mode by detecting user operations. The control module is electrically connected to the ARM architecture microcontroller, internal bus, and various sensor interfaces to achieve system status monitoring and function control. The battery status monitoring module is electrically connected to the function of real-time monitoring of the battery charging and discharging status, and displays the current battery power through the application or system built-in display. The voice prompt module is electrically connected to the high-quality microphone, speaker, and TTS engine to achieve voice prompts or sound effects when specific events occur.

[0051] The implementation principle of this embodiment is: by adding a standby mode control unit, the energy-saving efficiency and service life of the system are improved. The standby mode control unit can effectively manage the energy consumption of the system and avoid unnecessary waste of electricity. At the same time, through real-time monitoring of the battery status monitoring module, the power supply is cut off in time to protect the battery from damage. Overall, this embodiment further optimizes the energy efficiency and reliability of the system while maintaining the original functions.

[0052] Embodiment 3: The difference between this embodiment and the above embodiment is that a multi-synchronous mode control unit is added.

[0053] The multi-synchronous mode control unit is based on a dedicated synchronization control chip and has multi-point connection and synchronization control functions. The multi-synchronous mode is activated by double-clicking the Bluetooth button. The control unit is electrically connected to the main speaker module, Bluetooth module, control module and lighting module to achieve multi-synchronous mode operation and status feedback. The dedicated synchronization control chip can choose high-performance synchronization control chips such as Qualcomm QCC3026 or CSR8675 to improve the stability and speed of the synchronization connection. Specifically, the multi-synchronous mode control unit will issue a corresponding voice prompt or sound effect after the connection is successful. The connection time should be less than 3 seconds and remain connected in standby mode.

[0054] Specifically, the multi-synchronous mode control unit is electrically connected to a dedicated synchronous control chip, multi-point connection and synchronous control function, and the multi-synchronous mode is activated by double-clicking the Bluetooth button. The main speaker module is electrically connected to a high-performance DSP processor, a high-power amplifier and a high-quality speaker unit to realize the processing and playback of audio signals. The Bluetooth module is electrically connected to a high-performance Bluetooth chip and a Bluetooth antenna to realize wireless communication with external devices. The control module is electrically connected to an ARM-based microcontroller, an internal bus, and a variety of sensor interfaces to realize system status monitoring and function control. The lighting module is electrically connected to RGBLED lamp beads and a PWM dimming circuit to realize light display of different colors.

[0055] The implementation principle of this embodiment is as follows: by adding a multi-synchronous mode control unit, the flexibility and scalability of the system are greatly improved. The multi-synchronous mode control unit can effectively manage the synchronous connection of multiple speakers, support the simultaneous connection of up to 100 speakers, and meet the use requirements of large-scale events and venues. The connection process is fast and reliable, reducing the user's waiting time and operation complexity. Overall, this embodiment further enhances the scope of application and user experience of the system while maintaining the original functions.

[0056] Embodiment 4: The difference between this embodiment and the above embodiment is that a volume adjustment module is added.

[0057] The volume adjustment module is based on a digital volume adjustment circuit, which has the characteristics of high precision and wide dynamic range. Through the slider control or physical buttons in the application, users can easily adjust the volume. The module is electrically connected to the control module, application interface and voice prompt module to realize the operation and status feedback of volume adjustment. The digital volume adjustment circuit can choose high-performance digital volume adjustment chips such as Texas Instruments PGA2311 or ADI AD1930 to improve the adjustment accuracy and response speed. Specifically, the design of the volume adjustment module fully considers the needs of users, providing a convenient adjustment method and clear volume feedback. After the initial startup, the voice prompt should be 60% of the current user selected volume. If the user volume is 0, the volume of the voice prompt is 10%.

[0058] Specifically, the volume adjustment module is electrically connected to the digital volume adjustment circuit, high-precision and wide dynamic range functions, and the volume is adjusted through the slider control or physical buttons in the application. The control module is electrically connected to the ARM architecture microcontroller, internal bus, and various sensor interfaces to achieve system status monitoring and function control. The application interface is electrically connected to the slider control and physical buttons in the application to achieve volume adjustment operations. The voice prompt module is electrically connected to the high-quality microphone, speaker, and TTS engine to achieve voice prompts or sound effects when specific events occur.

[0059] The implementation principle of this embodiment is: by adding a volume adjustment module, the volume control accuracy and user experience of the system are improved. The design of the volume adjustment module fully considers the needs of users and provides a convenient adjustment method and clear volume feedback. Especially at the initial startup, the clarity and comfort of the voice prompt are ensured through reasonable volume settings. Overall, this embodiment further optimizes the convenience and accuracy of volume adjustment on the basis of maintaining the original functions.

[0060] Embodiment 5: The difference between this embodiment and the above embodiment is that an EQ setting module is added.

[0061] The EQ setting module is based on digital signal processing technology and has high precision and flexible adjustment capabilities. Through the slider control or preset options in the application, users can easily adjust the gain value of each frequency band. The module is electrically connected to the control module, application interface and audio processing module to realize the operation and status feedback of the equalizer setting. The digital signal processing technology can choose the SHARC DSP series or the XMOS XCore series to improve the ability and accuracy of sound effect adjustment. Specifically, the design of the EQ setting module fully considers the sound effect requirements in different scenarios, and provides a variety of preset options and custom adjustment functions. The preset options include flat, rock, pop and other styles, and can be customized according to the user's personalized needs. The preset gain value can be adjusted in the range of 0 to 32, with a step size of 1 each time.

[0062] Specifically, the EQ setting module is electrically connected with digital signal processing technology, high precision and flexible adjustment capability, and adjusts the gain value of each frequency band through the slider control or preset options in the application. The control module is electrically connected with the ARM architecture microcontroller, internal bus, and various sensor interfaces to realize the status monitoring and function control of the system. The application interface is electrically connected with the slider control and preset options in the application to realize the operation of the equalizer setting. The audio processing module is electrically connected with digital signal processing technology, high precision and flexible adjustment capability to realize the processing of audio signals.

[0063] The implementation principle of this embodiment is: by adding an EQ setting module, the system's sound effect adjustment capability and personalization are greatly improved. The design of the EQ setting module fully considers the sound effect requirements in different scenarios and provides a variety of preset options and custom adjustment functions. Users can easily adjust the sound effect parameters according to their preferences and listening environment to obtain the best listening experience. Overall, this embodiment further enriches the system's sound effect adjustment function on the basis of maintaining the original functions, thereby improving user satisfaction.

[0064] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A speaker system, characterized in that: include: The main speaker module is used to synchronize with other speaker modules and broadcast audio signals. The Bluetooth module is used to communicate wirelessly with external devices, and the specific implementation includes pairing, connection status management and selection of Bluetooth devices. The control module is used to control various functions and states of the system, including switching of standby mode, management of multiple synchronization modes and status monitoring of other functions. The lighting module is used to display lights of different colors, including warm yellow, red, neon green, magenta, color cycle and off modes, and can be controlled by buttons or applications. The voice prompt module is used to issue voice prompts or sound effects when specific events occur. Specific scenarios include Bluetooth connection, synchronous speakers, standby mode switching, etc. Among them, the main speaker module is electrically connected to the Bluetooth module, control module, lighting module and voice prompt module, and data transmission and control command transmission are carried out between each module through an internal bus.

2. The speaker system according to claim 1, characterized in that Also includes: A standby mode control unit is used to switch the system between standby mode and working mode, specifically by detecting user operations (such as quickly pressing the power button) to trigger entry and exit of the standby mode; When the system enters standby mode, a confirmation message should be received, and in standby mode, if the battery power drops to 10%, it will automatically shut down completely; wherein, the standby mode control unit is electrically connected to the control module, the battery status monitoring module and the voice prompt module to coordinate the operation and status feedback of the standby mode.

3. The speaker system according to claim 1, characterized in that Also includes: A multi-synchronous mode control unit is used to synchronously connect the main speaker module and other speaker modules, specifically by double-clicking the Bluetooth button to enter the multi-synchronous mode, and issuing corresponding voice prompts or sound effects after the connection is successful; it supports the simultaneous connection of up to 100 speakers, and the LED indicator flashes green during the connection process until the connection is completed; the link time should be less than 3 seconds, and the connection status remains in standby mode; wherein, the multi-synchronous mode control unit is electrically connected to the main speaker module, Bluetooth module, control module and lighting module, and is used to coordinate the operation and status feedback of the multi-synchronous mode.

4. The speaker system according to claim 1, characterized in that Also includes: The volume adjustment module is used to adjust the volume of the speaker system, specifically by increasing or decreasing the volume through a slider control or physical buttons in the application; the volume adjustment range is 0 to 100, and each adjustment differs by at least 6% to ensure that the user can feel the change; after initial startup, the voice prompt should be 60% of the current user selected volume. If the user volume is 0, the volume of the voice prompt is 10%; the volume adjustment module is electrically connected to the control module, the application interface and the voice prompt module, and is used to coordinate the volume adjustment operation and status feedback.

5. The speaker system according to claim 1, characterized in that Also includes: EQ settings module, used to adjust the equalizer settings for high, mid, and low frequency bands, specifically adjusting the gain value of each frequency band through the slider controls in the application or the preset options; The preset options include flat, rock, pop and other styles, and can be customized according to the user's personalized needs; the preset gain value can be adjusted in the range of 0 to 32, with a step size of 1 each time; among them, the EQ setting module is electrically connected to the control module, application interface and audio processing module to coordinate the operation and status feedback of the equalizer setting.

6. The speaker system according to claim 1, characterized in that Also includes: The automatic shutdown module is used to automatically shut down or enter standby mode after a period of no audio playback, the specific time is 30 minutes, and in standby mode it will completely shut down when the battery power drops to 10%; after the first power-on or factory reset, the system will automatically enter Bluetooth pairing mode, and remember the settings before the last shutdown, and restore these settings when powered on next time; if no Bluetooth connection is established within 300 seconds, the system will enter standby mode; Among them, the automatic shutdown module is electrically connected to the control module, battery status monitoring module and Bluetooth module, and is used to coordinate the operation and status feedback of automatic shutdown and standby modes.

7. The speaker system according to claim 1, characterized in that Also includes: The manufacturer reset module is used to clear all presets and settings and restore to the factory state. The specific operation is to press and hold the power button and Bluetooth button for 10 seconds. After resetting, the system will automatically enter the Bluetooth pairing mode and initialize all settings to the factory defaults. The factory default settings include Bluetooth pairing mode, master volume synchronized with the device, enabled voice prompts and sound effects, flat EQ settings, and warm yellow lighting mode. Among them, the manufacturer reset module is electrically connected to the control module, storage module and various functional modules to coordinate the manufacturer reset operation and status feedback.

8. The speaker system according to claim 1, characterized in that Also includes: The firmware update module is used to receive and install the new firmware version wirelessly, specifically through the OTA function in the application; after the firmware update is completed, the system will restart and load the new version of the firmware; during the update process, the system will display a progress bar and inform the user of the update status through voice prompts; among them, the firmware update module is electrically connected to the control module, network module and storage module, and is used to coordinate the operation and status feedback of the firmware update.

9. The speaker system according to claim 1, characterized in that Also includes: The lighting mode control module is used to control different lighting modes, including warm yellow, red, neon green, magenta, color cycle and off modes, and can be switched by quickly pressing the Bluetooth / light button or the control interface in the application; the lighting mode memory function allows the system to restore to the last selected mode after a power cycle; the RGB value in the pure color mode can be accurately adjusted through the application; wherein, the lighting mode control module is electrically connected to the control module, the application interface and the lighting module, and is used to coordinate the operation and status feedback of the lighting mode.

10. The speaker system according to claim 1, characterized in that Also includes: The battery status monitoring module is used to monitor the battery charging and discharging status in real time, and display the current battery power through the application or the system's built-in display screen; when the battery is full, the system will issue a prompt sound and stop charging; when plugging in or unplugging the USB charging cable, the system will instantly update the battery status and display the charging percentage on the screen; among them, the battery status monitoring module is electrically connected to the control module, application interface and display module, and is used to coordinate the operation and status feedback of the battery status monitoring.

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