A little information about the HTC One and BoomSound has been made available today, concerning the quality of audio captured by HTC's latest device. Very few of us know or care about things like the membranes over the microphone in our smart phones, but we all know what it's like to record some audio and hear the dreadful "hiss" when we play it back. It's also a great way to ruin an otherwise awesome video you've recorded. And it happens far too often.
HTC has found a way to correct this by using a twin-membrane microphone. Normally, only one membrane is used on a standard smart phone microphone, which means the sounds you want to hear aren't really separated from the sounds you don't want to hear, and loud, high pressure sounds can cut the mic completely. When the software does its job of leveling and equalizing the audio, we're often left with a background hiss and low levels. HTC says the twin-membrane setup will help make that a thing of the past.
With two microphones, each having a twin-membrane setup, there's more room for the mic to capture the sound you're trying to record via the extra sensitive membrane, while the high pressure membrane can handle the loud sounds that would normally shut a sensitive mic down.
It sounds like a lot of voodoo that would be interesting to an audio engineer, but if HTC is correct and the outcome is "distortion free" then we all have reason to be excited. The release date is moving closer, and we'll soon be able to see for ourselves how well HTC's BoomSound operates.
Source: HTC blog
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