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<blockquote data-quote="TDot" data-source="post: 8030791" data-attributes="member: 645311"><p>I've used stuff in recording studios that take away and mask hiss that I wonder if there is something on the car audio side that is similar, or has been transplanted to.</p><p></p><p>1/ a noise gate: basically a threshold is set and if the audio drops below that threshold the gate would activate and basically close off the audio. This would have to be put after the amp and before the speakers. It is almost bewildering to me that something like that isn't built into the output of amps. This doesn't eliminate hiss in your track, but eliminates hiss "in your speaker". So you'll hear hiss in your music, but when the music is gone the hiss will be gone.</p><p></p><p>2/ noise imprint: basically this looks at your pure noise floor and adjusts eq curves and noise thresholds to remove that noise. This is far more complicated and more expensive tHan gates, and cheaper algorithms adds in a little bit of audio artifacts, but the good ones sound pristine and pure as long as you are not trying to totally eliminate all of the "air".</p><p></p><p>I wish these things were available.</p><p></p><p>If I wanted to take up some more room in my trunk I would grab some gates and hook them up. If you're not concerned about trunk space that is the best way to go. For four channels the space taken up would be a minimum of 19"x4" and then convert dc to ac 120v.</p></blockquote><p></p>
[QUOTE="TDot, post: 8030791, member: 645311"] I've used stuff in recording studios that take away and mask hiss that I wonder if there is something on the car audio side that is similar, or has been transplanted to. 1/ a noise gate: basically a threshold is set and if the audio drops below that threshold the gate would activate and basically close off the audio. This would have to be put after the amp and before the speakers. It is almost bewildering to me that something like that isn't built into the output of amps. This doesn't eliminate hiss in your track, but eliminates hiss "in your speaker". So you'll hear hiss in your music, but when the music is gone the hiss will be gone. 2/ noise imprint: basically this looks at your pure noise floor and adjusts eq curves and noise thresholds to remove that noise. This is far more complicated and more expensive tHan gates, and cheaper algorithms adds in a little bit of audio artifacts, but the good ones sound pristine and pure as long as you are not trying to totally eliminate all of the "air". I wish these things were available. If I wanted to take up some more room in my trunk I would grab some gates and hook them up. If you're not concerned about trunk space that is the best way to go. For four channels the space taken up would be a minimum of 19"x4" and then convert dc to ac 120v. [/QUOTE]
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