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<blockquote data-quote="Philip Roberts" data-source="post: 1564" data-attributes="member: 111"><p>I'm trying to do some Revert time measurements and I am trying to do it using an Studio6Digitals Impulse response "app" that's part of their Audio tools package. At the current time I'm trying to do it using the internal mic.</p><p></p><p>To verify my measurement procedure I first measured a room for which I have professionally measured results. When I did this I get reverb times about 20% or so longer, this is reasonable consistent at various frequencies and for the two states of the movable curtains in the room.</p><p></p><p>Does any one have any thoughts as to what might be going wrong?</p><p></p><p>I'm using the swept sine excitations, with good (50+ dB SNR). I got consistent results either using the installed system in the room or a speaker on a stick + sub.</p><p></p><p>Thanks</p><p></p><p>Philip</p></blockquote><p></p>
[QUOTE="Philip Roberts, post: 1564, member: 111"] I'm trying to do some Revert time measurements and I am trying to do it using an Studio6Digitals Impulse response "app" that's part of their Audio tools package. At the current time I'm trying to do it using the internal mic. To verify my measurement procedure I first measured a room for which I have professionally measured results. When I did this I get reverb times about 20% or so longer, this is reasonable consistent at various frequencies and for the two states of the movable curtains in the room. Does any one have any thoughts as to what might be going wrong? I'm using the swept sine excitations, with good (50+ dB SNR). I got consistent results either using the installed system in the room or a speaker on a stick + sub. Thanks Philip [/QUOTE]
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