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April 22, 2021
When we discuss what makes a headphone or earphone sound “good” and “bad”, we inevitably need to ask the question, well how should a headphone sound? Is there an objective way to answer this? Or does it all depend on personal preference? The truth, as so often, is somewhere in the middle. The first question…
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April 8, 2021
To speed up the process of bringing your concept of a MEMS speakers-based audio system to reality, we designed two development platforms: Amalthea UA-R3010 and Helike UA-E3010. This article will walk you through the essentials of rapid prototyping with MEMS speakers and provide an overview of the expansion kits available. If your goal is to…
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March 25, 2021
Most consumer electronics nowadays use traditional electrodynamic speakers. They consist of a magnet, a voice coil, a diaphragm and a support structure/enclosure. This working principle limits the minimum height that can be achieved with such a loudspeaker. The diaphragm’s suspension solely controls the mechanical behaviour, as electrodynamic microspeakers typically lack the centering spider of larger…
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March 18, 2021
One of the significant advantages of MEMS speakers is the possibility to be easily integrated into a wide variety of products. Due to the very small form factor, MEMS speakers can be used in technologies requiring more minimal designs, such as TWS, audio glasses and ultrasound applications. This article will go through some essential aspects…
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March 17, 2021
In this article, I want to focus on one particular feature that we haven’t discussed: our extreme bandwidth technology (XBW). We use our XBW (extreme bandwidth) technology to increase the range of sounds that the loudspeaker can reproduce. Our Ganymede MEMS speakers can play higher frequencies than conventional loudspeakers and produces higher SPL at ultra-high…
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March 11, 2021
MEMS speakers provide unique features and compelling advantages compared to electrodynamic and balanced armature speakers. The application-specific benefits of MEMS speakers must be separated into two main kinds of applications: Free field and occluded ear applications. In this article, we will focus on the latter. When we talk about occluded ear applications, we refer to…
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May 20, 2020
How do MEMS speakers compare to balanced armature speakers? How do they differ in different aspects? In this free benchmark report, you’ll learn the differences between MEMS speakers and balanced armature speakers in terms of acoustics, mechanics, manufacturing and reliability.
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April 15, 2020
Discover how MEMS speakers compare to electrodynamic speakers (ED) and how do they differ in different aspects. In this free benchmark report, you’ll learn the differences between MEMS speakers and balanced armature speakers in terms of: Acoustics Mechanics Manufacturing Reliability
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April 30, 2019
USound specifies and measures Ganymede MEMS speakers, Achelous and Adap, in both acoustic domains: in the baffle and the coupler (artificial ear). For both setups, proprietary measurement adapters are used to fit the standardised setup. In Baffle To measure in a baffle, the measurement adapter places the MEMS speaker with appropriate sealing inside the IEC baffle. The…
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The baffle measurement is standardised in the IEC 60268-5 [1], even though in everyday applications, no baffle is present. So why does the industry rely on this particular setup? There is one main reason: it is universal. The baffle is basically just a massive wall which separates back and front side of the speaker. The…
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