June 2017
Beginner to intermediate
336 pages
8h 44m
English
Content preview from HoloLens Blueprints
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Microphones
HoloLens has been designed as a hands-free head mounted device with voice as one of the key input mechanisms to accept commands from any user. The HoloLens device has a great support for Voice Commands using a set of microphones. The microphone array consists of four different microphones that take commands via voice control.
This array of microphones also helps in noise compression and echo cancellation from the real environment. The need for a microphone array is to clearly distinguish and recognize user Voice Commands over other environmental noises.
The HoloLens microphone array also uses beamforming to get a good, amplified noise and echo-free speech signal from the HoloLens for the user who is wearing it.
Combining the different ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.