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The Basement
War Zone Hearing Protection
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<blockquote data-quote="John Roberts" data-source="post: 35470" data-attributes="member: 126"><p>Re: War Zone Hearing Protection</p><p></p><p>While Active noise suppression plugs with DSP sounds cool, $1400 each in quantity is not so cool... (made in Finland or something like that). </p><p></p><p>If you are already listening to some kind of sound source, perhaps actively combine some closed back cans or buds with one or more external microphones and a power amp that can't get loud enough to hurt you. </p><p></p><p>I can buy cheap mics for <$2 and simple electronics is not worth $1k+ Even without DSP some crude peak detection and suppression is not that hard... Hard/expensive is making this mil spec and getting the contract. </p><p></p><p>Simple circuitry could even kill your beastie boys, when the external microphones pick up sounds above some threshold or running average, and then clamp when external sounds are too loud while using a wimpy amp in the first place should provide some degree of protection. </p><p></p><p>Of course making this robust enough for the sand dunes and IEDs is another story... Do you have room for solar panels on your helmet to charge the batteries? </p><p></p><p></p><p>JR</p><p></p><p>PS my cheap foam plugs had a thin string that should not bother anything, but they are cheapo's and not for long term use.</p></blockquote><p></p>
[QUOTE="John Roberts, post: 35470, member: 126"] Re: War Zone Hearing Protection While Active noise suppression plugs with DSP sounds cool, $1400 each in quantity is not so cool... (made in Finland or something like that). If you are already listening to some kind of sound source, perhaps actively combine some closed back cans or buds with one or more external microphones and a power amp that can't get loud enough to hurt you. I can buy cheap mics for <$2 and simple electronics is not worth $1k+ Even without DSP some crude peak detection and suppression is not that hard... Hard/expensive is making this mil spec and getting the contract. Simple circuitry could even kill your beastie boys, when the external microphones pick up sounds above some threshold or running average, and then clamp when external sounds are too loud while using a wimpy amp in the first place should provide some degree of protection. Of course making this robust enough for the sand dunes and IEDs is another story... Do you have room for solar panels on your helmet to charge the batteries? JR PS my cheap foam plugs had a thin string that should not bother anything, but they are cheapo's and not for long term use. [/QUOTE]
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