Wireless Audio, Voice Control & Other Audio Gizmos

By _EETimes Blog

July 13, 2015

The smartphone era has triggered several advances in audio, such as wireless audio and voice control technology that actually works! Consider, for example, how you connect your phone to your car's audio system -- that's Bluetooth audio right there. Other examples include wireless speakers, Bluetooth headsets, smart earbuds, sound bars, and sound projectors. Most of these products didn't exist just a few years ago. If we break down the technologies "under the hood" of such devices, it's easy to see just how complex they've become.

Consider the following example: Assume you are taking a shower while enjoying a playlist sent by a friend playing on your Bluetooth shower speaker. Suddenly, right after one of your favorite songs, comes one of the worst songs you have ever heard. And not only that, but you are about to be compelled to listen to all of it as your smartphone -- which is streaming the audio to your speaker -- is in the other room! But then you remember that your speaker has a cool voice control feature, so you give it a try and -- like magic -- that terrible song fades away and a much better one starts playing.

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