MEMS Microphones are built with a micro-electromechanical system (MEMS) component placed on a printed circuit board (PCB) and protected by a mechanical cover. To allow sound into the microphone, a tiny hole is drilled in the case. MEMS components are typically designed with a mechanical diaphragm, while the mounting structure is created on a semiconductor die. MEMS Microphones are commonly used in wireless applications such as audio monitoring, sound source localization, audio monitoring, and others. In general, these applications necessitate small size, low power, and relatively high data quality. Consumer electronic products such as smartphones, smart TVs, laptops, tablets, and notepads have seen significant demand recently, supporting the growth of the consumer electronics sector in both developed and emerging economies. Consumers are increasingly interested in next-generation consumer electronics such as wearables and smartwatches. The Indian appliance and consumer electronics (ACE) market reached US$ 10.93 billion in 2019 and is expected to reach US$ 21.18 billion by 2025, according to the India Brand Equity Foundation (IBEF). MEMS is important in the above-mentioned electronics products because it is highly compact and requires little power. According to Coherent Market Insights, The global MEMS Microphone Market was valued at US$ 1544.6 Mn in 2019 and is forecast to reach a value of US$ 4,531.2 Mn by 2027 at a CAGR of 14.4% between 2020 and 2027. Although MEMS Microphones are commonly used in consumer electronics, they are also finding use in other industries such as automotive and hearing aid devices. Hearing aids' primary function is to detect and amplify sound for the user. This action necessitates the use of a microphone, for which MEMS are increasingly being used. MEMS Microphones provide higher reliability and robust design with low particle ingress vulnerability. As a result, they are increasingly being used in place of traditional electret condenser Microphones. Furthermore, MEMS Microphones are used in audio sensors that are placed inside and outside the car cabin. MEMS Microphones are notoriously difficult to package due to their extremely small size. Untidy packaging can damage these Microphones, necessitating a special packaging method. Many vendors are developing novel packaging methods to keep MEMS Microphones in perfect condition. Because MEMS Microphones are so small, it is impossible to transfer high power through them. As a result, external preamplifier or op-amp components are needed to amplify the signal. Furthermore, micro-components are more expensive than macro-components, raising the final product price. As a result, in order to be profitable, manufacturers must produce in large quantities. The Internet of Things (IoT) and virtual reality (VR) are two of the most cutting-edge technologies on the market. MEMS Microphones are used in IoT-enabled devices such as smart cameras, smart speakers, smart bell cameras, and smart headsets because they are compact and consume very little power. It improves noise cancellation, which is an important feature of the smart devices mentioned above. MEMS Microphones are also used as input devices in VoIP, speech recognition, gaming, and virtual reality. Key market players can capitalise on these opportunities by offering novel products, giving them a competitive advantage in the market. MEMS Microphones are becoming more popular in the industry due to their small size, light weight, and low power consumption. These Microphones are found in a wide range of small industrial products, including surveillance cameras and speakers.
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