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Summary:

Is your iPhone speaker not loud enough for music or calls? A Kickstarter project for AudioGloves uses accoustics, not digital technology to solve the problem by boosting sound up to 20 percent. According to a Dolby Labratory test, it works as advertised for richer, louder sounds.

audioglove-case

Multiple microphones and amplifier technology are helping to make phone calls, songs and videos sound louder and clearer for some time. Don’t rule out “old school” approaches, however. Falco Freeman has a created a Kickstarter project for the AudioGlove; an iPhone case that uses simple accoustics to boost sound as needed and it clearly works; testing at Dolby’s sound labs proved the case, as it were, which should boost sound volume by about 20 percent.

Conceptually, the idea makes sense. When you need the sound boost, you extend the bottom of the case, creating an accoustic channel to boost both sound levels and the microphone input. Think of it as passive noise-cancellation on one hand and compressing or aiming sound waves for richer and louder audio. Here’s how it works and what it looks like:

The AudioGlove project only has around $8,400 of its $30,000 funding goal, but you have until Sept. 4 to get in on the action. As little as $20 gets you an AudioGlove case while $45 includes an aluminum stand for an AudioGlove-protected iPhone.

  1. I have three objections: (1) I’m wondering if the Audio Glove attenuates the sound somewhat when it’s closed, (2) the increase doesn’t sound like 10-12 dB to me when he opens the Audio Glove – it sounds like a combination of less than 10-12 dB plus a shift in the frequency balance, (3) in mathematical terms, 10 dB is a 9:1 change in the sound power level and 12 dB is a 16:1 change…a very long way from 20%. All this makes me question the claims for the product.

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    1. While you may be right on the mathmatics, you forget that our ears don’t perceive sound in a linear scale. The dB scale is logarithmic because of that fact.
      The smallest perceivable sound volume increase is about 3 dB, so a 9 dB is just 3 notches up. You’re definitely not going to perceive a 9x increase in volume.
      Not sure how he came up with 20% from that.

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      1. I’m well aware that the dB scale is logarithmic.

        On music, you’re right, 3 dB is the smallest perceivable sound volume increase is 3 dB. You mention a 9X increase in volume. If you mean a 9:1 increase in the sound power level, that’s 10 dB, which is well above the smallest perceivable sound volume increase.

        I have the impression that Falco Freeman is misquoting numbers someone else mentioned, with no understanding of what he’s saying.

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  2. Why not just use any sliding like case? There are already a dozen such cases that could pretty much do the same thing.

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  3. Cool…Though I’m holding off. My wife has an iPhone 3G and I’m hoping to replace it sometime in the near future…preferably with an Android.

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  4. Jucilei P Goncalves Monday, August 13, 2012

    use your own hand to reflect the sound, simple and free.

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  5. or u can put ur iphone into a plastic red party cup a little tinney but it does the job of boosting the sound for music…
    Red plastic cup $0.30
    This little case $$$$$$???? ( a lot more than $0.30)

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  6. Sounds like innovation by a small American business to me. Why must we be so negative? If it’s not for you, then that’s fine. I hope Falco gets funded and is able to have some success, perhaps creating a job or two.

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    1. I agree with Ian. But is there a refund policy if the consumer is disappointed? Having said that, the price of the case alone is about half what I have spent recently on good cases for my iPhone 4S. The stand, priced at $45, sounds like a great deal for anyone with an iPhone.

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