ICS-40720 Audio Products

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The ICS-40720 is an electret condenser microphone (also known as an ECM) designed for use in applications such as voice recording, sound reinforcement, and teleconferencing. It is a high quality microphone with a low noise floor, making it ideal for capturing clear and accurate audio in a variety of environments. In this article, we will discuss the ICS-40720\'s application field and working principle.

The ICS-40720 is most often used in voice recording applications, such as recording podcasts, voiceovers, narration, and music production. Its high-sensitivity capsules and wide frequency response make it well-suited to capturing the subtle nuances of vocal performances. It is also popular in sound reinforcement applications, such as PA systems and public address systems, due to its wide pickup range. Its directional polar pattern also helps to reduce undesired background noise when recording in loud environments. Finally, the ICS-40720 is often used in teleconferencing systems, as it can capture and transmit full-bandwidth audio even in difficult acoustical environments.

The ICS-40720 is an ECM, meaning it consists of two parts: an electret film capsule and an internal preamplifier. The electret film capsule is responsible for converting audio waves into electrical signals. The capsule consists of two conductive plates, which are spaced a few microns apart. One of the plates is made of thin electret film. When sound waves strike the plates, the particles in the air vibrate, causing the conductive plates to move. This creates an electrical signal which is picked up by the preamplifier and sent out of the microphone.

The ICS-40720 has a wide frequency response of 20 Hz to 20 kHz, meaning it can capture both low and high frequencies. Its sensitivity is also quite high, at -45dBV, allowing it to detect even the softest of sound sources. The microphone also has a wide, cardioid pickup pattern, meaning it is able to reject sounds from the sides and rear, focusing instead on what is directly in front of it. Finally, the microphone has a low noise floor which makes it ideal for recording in noisy environments.

In summary, the ICS-40720 is an ideal microphone for a wide range of applications including voice recording, sound reinforcement, and teleconferencing. Its wide frequency response, high sensitivity, and low noise floor make it ideal for capturing clear and accurate audio. It is also designed with a wide, directional polar pattern which helps to reduce background noise, making it even better for capturing delicate nuances in vocal performances.

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