What is THD?

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THD is a term commonly used in audio engineering. It refers to total harmonic distortion and is used to describe the harmonic distortion present in an acoustic signal, ergo, low THD stands for a high clarity of sound. Measuring THD is an interesting task that we’d like to look at in more detail based on our MEMS speaker Achelous. To

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What are MEMS loudspeakers?

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MEMS in general MEMS is the abbreviation of Micro-Electro-Mechanical Systems. This is the technology of microscopic devices, particularly those with moving parts. Thus, MEMS have both mechanic and electronic components. MEMS are usually made up of microsensors, microactuators, microelectronics and/or microstructures. Both the electronic circuits as well as the mechanical devices are manufactured in a silicon chip, similar to the

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