We are a professional audio company integrating R&D, production and sales. We have been focusing on the production of mixers, active power amplifiers, microphones, and related electronic components and equipment for many years.
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Precipitation of more than 20 years of technical design
OEM / ODM /B2B
24-hour one-stop service
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Founded In
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Factory Area
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Employee Count
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Annual Output
We have a strong R & D team that can develop and produce products according to the drawings or samples provided by customers.
We have two own foundries and processing factories, factory direct sales, high quality and low price.
We have our own laboratory and advanced testing equipment in the industry to ensure product quality.
Based on the high-grade and high-end market, our products meet international standards and are mainly exported to Europe, America, Japan and other countries.
1. Accurately measure and analyze the sound fieldSound field measurement: Use professional sound field measurement equipment, such as sound level meters, spectrum analyzers, etc. to measure the existing sound field in detail. This includes measuring parameters such as sound pressure level and frequency response at different locations.Data analysis: According to the measurement results, analyze the distribution characteristics of the sound field to find out the existing uneven sound field areas and potential problem points.2. Adjust the speaker array parametersArray layout: According to the results of the sound field measurement, adjust the layout of the speaker array, including the number, position, angle, etc. of the speakers. Ensure that the speaker array can cover the entire target area and reduce the interference and reflection of sound waves.Parameter optimization: Adjust the speaker's delay, gain, phase and other parameters to optimize the frequency response and sound pressure level distribution of the sound field. This can be achieved by using sound field equalization techniques, such as uniform weighting, gradient method, exponential weighting method, etc.3. Apply advanced audio processing technologyDigital signal processor (DSP): Use DSP technology for audio signal processing, such as filtering, noise reduction, equalization, etc. This can further improve the uniformity of the sound field and reduce unnecessary reflections and interference.Adaptive filtering technology: Through adaptive filtering technology, the frequency response in the sound field is dynamically adjusted to adapt to changes in different environments and needs.4. Introducing gradient directivity array technologyGradient directivity array (PDA): This is a new type of array speaker technology that can flexibly control the radiation angle of each module to meet the target coverage area of each module. By properly assigning different directivity indexes to the modules, physical compensation for distance loss can be achieved, thereby improving the uniformity of the sound field.Application example: In indoor sound reinforcement applications such as theaters, gradient directivity array technology has achieved remarkable results. By precisely controlling the radiation angle and directivity index of each module, it can be ensured that the sound can evenly cover the entire audience area.5. Consider environmental factors and architectural acoustic conditionsEnvironmental factors: Consider the impact of environmental factors such as temperature, humidity, wind speed, etc. on the sound field. These factors may cause changes in the speed of sound and the direction of sound wave propagation, thereby affecting the uniformity of the sound field.Architectural acoustic conditions: Consider the influence of architectural acoustic conditions such as the material, shape and position of reflective surfaces such as walls, ceilings and floors on the sound field. The uniformity of the sound field can be further improved by optimizing the architectural acoustic design or using acoustic materials to reduce reflections and interference.6. Regular system maintenance and calibrationSystem maintenance: Regularly maintain and service the speaker system, including cleaning the speaker units, checking the connection lines, etc. This ensures the stability and reliability of the system.System calibration: Regularly calibrate the line array speaker function module system, including adjusting the parameters of the speaker, checking the DSP settings, etc. This ensures that the system is always in the best condition, thereby providing a uniform sound field distribution.
1. Linear array designPrinciple: A linear array is composed of a group of radiating units arranged in a straight line and closely spaced. These units have the same amplitude and phase. Through linear transmission, the transmission distance can be significantly increased and the attenuation of sound during transmission can be reduced.Advantages: Line arrays can provide very good vertical coverage directivity, ensuring that sound can be accurately projected to the target area. At the same time, the lower end of the curved part of the linear array can cover the near area, forming comprehensive coverage from near to far. 2. Array processing technologyUser parameter setting: The user can specify the desired sound pressure distribution of the listening area profile, and accomplish this task by setting sound pressure drop values for different parts of the listening area profile (such as front, middle, and rear). This technology ensures that the sound remains relatively consistent at different distances.Maintain sound integrity: Although each line array unit has its own FIR filter, advanced array processing technology ensures that the sounds between these units do not interfere with each other, thereby maintaining the integrity of the system's sound. 3. Modular designEnhanced vertical coverage pattern control: The modular design allows multiple devices to be stacked in a line array configuration to provide enhanced vertical coverage pattern control. This not only increases "throw" but also reduces unwanted floor/ceiling reverberations.Flexibility: Modular design allows the line array speaker system to be flexibly adjusted according to different venues and needs. For example, in large sports stadiums or theaters, coverage can be expanded by increasing the number of modules. 4. Efficient power amplifierPower output: Line array speaker function modules are usually equipped with efficient power amplifiers to ensure sufficient power output to cover a wide area.Dynamic range: The efficient power amplifier also provides a wide dynamic range, allowing the sound to remain clear and stable between low and high sound pressures. 5. Intelligent control systemRemote monitoring: Many modern line array speaker function modules are equipped with intelligent control systems that allow users to monitor and adjust remotely. This ensures that the sound system maintains optimal performance in a variety of complex environments.Adaptive adjustment: The intelligent control system can also make adaptive adjustments according to changes in the on-site environment, such as adjusting volume, equalizer and other parameters to optimize the sound effect.
1. Check the physical connectionMake sure that the USB cable between MP3 Player Module and the computer or other device is firmly connected and not loose. Try to change different USB ports for connection to eliminate the possibility of USB port failure. Check whether the USB cable is intact and not damaged or broken.2. Driver installation and updateIf the MP3 Player Module requires a specific driver to be recognized, make sure that the driver is installed correctly. Usually, the driver will be provided with the MP3 Player Module or downloaded from the official website.If the driver is installed but the connection is still problematic, try to update the driver to the latest version to ensure compatibility with the operating system.3. Computer settings and compatibilityEnter the computer's BIOS settings, make sure the USB port function is enabled, and confirm that the MP3 Player Module is compatible with the operating system currently in use. If it is not compatible, you may need to replace other devices or upgrade the operating system. Some security software may prevent the connection of the MP3 Player Module. Try to temporarily turn off these security software and then reconnect the MP3 Player Module4. Device troubleshootingConfirm that the MP3 Player Module is not damaged and is in normal working condition. You can try to connect on another computer to verify its functionality. If possible, try to reset the MP3 Player Module to factory settings and then reconnect.5. Other NotesTry to avoid connecting multiple USB devices at the same time, which may cause insufficient power supply or connection conflicts. Use the tools and software officially recommended by MP3 Player Module to connect and manage to ensure compatibility and stability.
Phone
+86-18815298889
Tel
+86-574-87781767
Fax
+86-574-87787735
Add
Xiyun Road, Xiepu, Zhenhai, Ningbo, Zhejiang, China
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