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  • Microphone sensitivity

    The sensitivity of a microphone is the electrical response of its output to a given standard acoustic input. The standard reference input signal used for microphone sensitivity measurements is a 94dB sound pressure level (SPL) or a 1 kHz sine wave at 1 Pa (Pa, a measure of pressure). For a fixed ...
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  • Basic characteristics of SoC chip industry-2

    (1) Bluetooth audio SoC chip series ①Bluetooth speaker SoC chip series The company is one of the important suppliers of SoC chips for Bluetooth speakers in the world. Thanks to the continuous improvement of the company’s product competitiveness and the market opportunities under the gener...
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  • Basic characteristics of SoC chip industry

    ①In recent years, the technological innovation of Bluetooth has driven the rapid growth of the demand for Bluetooth audio SoC chips In recent years, with the vigorous development of the Internet of Things industry, Bluetooth, as one of the main methods of wireless connection of the Internet of T...
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  • Anechoic chamber

    An anechoic chamber is a space that can completely absorb sound waves. The room is insulated from external noise, with wedge-shaped fiberglass wool covering the entire ceiling, floor and walls, which dissipates all the energy of the sound waves, thus completely eliminating echoes. An anechoic cha...
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  • Advantages of bone conduction

    Advantages of bone conduction The transmission route of air conduction sound is “sound wave – auricle – external auditory canal – tympanic membrane – malleus – incus – stapes – vestibular window – external, endolymph – spiral organ ̵...
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  • MEMS MIC Sound Inlet Design Guide

    It is recommended that the external sound holes on the whole case be as close to the MIC as possible, which can simplify the design of gaskets and related mechanical structures. At the same time, the sound hole should be kept as far away as possible from speakers and other noise sources to minimi...
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  • Electroacoustic components

      Electroacoustic components refer to components that use electromagnetic induction, electrostatic induction or piezoelectric effect to realize the mutual conversion of electrical signals and sound signals. Products in the electro-acoustic industry traditionally include two categories of ele...
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  • principle of bone conduction-2

    Bone conduction is a method of sound conduction, that is, by converting sound into mechanical vibrations of different frequencies, sound waves are transmitted through the human skull, bone labyrinth, inner ear lymph, Corti’s organ, auditory nerve, and auditory center, and the auditory nerve...
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  • The principle and application of bone conduction

    1.What is bone conduction? The essence of sound is vibration, and the conduction of sound in the body is divided into two types, air conduction and bone conduction. Normally, hearing is produced by sound waves passing through the external auditory canal to cause the tympanic membrane to vibrate ...
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  • Coming Soon–Mono Bluetooth Headset

    Model#R908 Mono Bluetooth Headset Mode:A2DP/AVRCP/HFP Chipset: AB5616A3 V5.2 Frequency: 2.4GHz Transimit Power: Class 2 Music Time: 6.5H Talking Time: 4.5H Standby Time: 40H Charging Time:2H Model#R6300 Mono Bluetooth Headset Chipset:WT230U V5.0 Frequency: 2.4GHz Transimit Power: Class 2 Mus...
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  • audio zoom

    The main technology of audio zoom is beamforming or spatial filtering. It can change the direction of the audio recording (that is, it senses the direction of the sound source) and adjusts it as needed. In this case, the optimal direction is a supercardioid pattern (pictured below), which enhance...
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  • BES Technology

    BES Technology will achieve an operating income of 1.765 billion yuan in 2021, a year-on-year increase of 66.36%; a net profit attributable to the parent of 408 million yuan, a year-on-year increase of 105.51%; a net profit of 294 million yuan after deduction, a year-on-year increase of 71.93%; T...
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