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<blockquote data-quote="Peter Morris" data-source="post: 147843" data-attributes="member: 652"><p>Re: FIR filters</p><p></p><p></p><p></p><p>Raimonds basically has two programs. TDA EQ which basically does what you are talking about. It creates a set of FIR correction tap coefficients. He also has APL Workshop which is used for EQ-ing a system in a room or space. </p><p></p><p>In simple terms you correct your speaker with TDA EQ. When you set it up in a room you correct the room / speaker with APL Workshop. This correction is based around using the power response not the SPL response.</p><p> </p><p>Our ears do not hear things the same as a measurement microphone .... It's a bit complicated but he argues the power response is a better mechanism than the SPL measurement to base our corrections around. I have tried both and they seem to work <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 147843, member: 652"] Re: FIR filters Raimonds basically has two programs. TDA EQ which basically does what you are talking about. It creates a set of FIR correction tap coefficients. He also has APL Workshop which is used for EQ-ing a system in a room or space. In simple terms you correct your speaker with TDA EQ. When you set it up in a room you correct the room / speaker with APL Workshop. This correction is based around using the power response not the SPL response. Our ears do not hear things the same as a measurement microphone .... It's a bit complicated but he argues the power response is a better mechanism than the SPL measurement to base our corrections around. I have tried both and they seem to work :-) [/QUOTE]
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