Chuck, you are correct! What is interesting about these sensors is that they perform basic DSP functions right on the chip. While many microcontrollers have built in DSP hardware these days, it is still more efficient to have that function performed at the sensor.
The thing that makes music what it is comes from the distortions provided by the instrument. Otherwise we get somethng like the electronic music of the 1960's era. So it is not clear just exactly is meant by making things sound better through processing. Perhaps itwill be possible to compensate for the distortion from the microphone element, which could indeed offer an improvement, and it should certainly be easy to shape the frequency response to just about any curve desired. But eliminating noise without the ability to know what the noise is at any particular instant will probably have some unintended results.
The biggest advantage will be in reduced cost and smaller size, followed by a reduction in the installed cost.
Karen, I agree that intelligence at the sensor is the future. I believe Freescale does something simular with its Xtrinsic line of sensors, doesn't it?
naperlou thanks for your post on the blog - I totally agree that "this is the way to go" and I look forward to seeing how more and more processing will be done at the sensor. I hope that more folks (like you) will read this blog and get inspired with how to integrate and design in these smart MEMS sensors into more and more applications. Thanks again! Karen
The most significant aspect of this device is processing the data at the sensor. This is becoming viable with integration of the ASIC and the MEMS sensor. Until recently, wireless mics used analog signals to the receiver because the delay introduced by signal processing would be noticeable. This is similar to the situation with smart cameras. With the amount of processing available in embedded SOCs, much of the signal work can be done without transmitting the data. This also allows, as in the case for the mic, real time correction of the signal, if required. The significance of MEMS is that it can more easily be integrated with circuitry than other types of sensors. This is the way to go.
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A quick look into the merger of two powerhouse 3D printing OEMs and the new leader in rapid prototyping solutions, Stratasys. The industrial revolution is now led by 3D printing and engineers are given the opportunity to fully maximize their design capabilities, reduce their time-to-market and functionally test prototypes cheaper, faster and easier. Bruce Bradshaw, Director of Marketing in North America, will explore the large product offering and variety of materials that will help CAD designers articulate their product design with actual, physical prototypes. This broadcast will dive deep into technical information including application specific stories from real world customers and their experiences with 3D printing. 3D Printing is
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