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Topics suggestions for advanced system tech and tuning class
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<blockquote data-quote="Phil Graham" data-source="post: 33195" data-attributes="member: 430"><p>Re: Sign up for measurement class updates</p><p></p><p></p><p></p><p>ferrit,</p><p></p><p>Bennett and I have talked at length about such things when trying defining a class scope. We've come to a few guidelines that will shape the class:</p><p></p><p>1. While we will talk a LOT about loudspeakers and how they function, the class will not go into any detail about creating presets from scratch for a loudspeaker. If people like this class, perhaps we could do a different one later about making loudspeaker presets.</p><p>2. Measurement programs will have their internal knobs talked about only to the extent that those knobs effect the data collected.</p><p>3. We will specifically talk about aspects of tuning that are very hard to measure and/or set by only measurement, and we'll try to help the guys/girls whose ears have taken a beating over time use the software to fill the blanks as best as possible.</p><p>4. Source material selection for tuning will be discussed, and things to listen for in that material will be roundtabled as much as feasible.</p><p></p><p>As a good example of something that is very hard to set purely by measurement, the last system (re)tuning I undertook had the downfill under the two-box L/R clusters attenuated 0.2dB more than the downfill under the three-box center cluster. I set the downfill levels by ear, and both myself and the house audio engineer agreed the extra 0.2dB attenuation on the L/R downfills noticeably improved their subjective seamlessness to their respective clusters. This change in level would have been essentially impossible to define in your measurement system of choice.</p></blockquote><p></p>
[QUOTE="Phil Graham, post: 33195, member: 430"] Re: Sign up for measurement class updates ferrit, Bennett and I have talked at length about such things when trying defining a class scope. We've come to a few guidelines that will shape the class: 1. While we will talk a LOT about loudspeakers and how they function, the class will not go into any detail about creating presets from scratch for a loudspeaker. If people like this class, perhaps we could do a different one later about making loudspeaker presets. 2. Measurement programs will have their internal knobs talked about only to the extent that those knobs effect the data collected. 3. We will specifically talk about aspects of tuning that are very hard to measure and/or set by only measurement, and we'll try to help the guys/girls whose ears have taken a beating over time use the software to fill the blanks as best as possible. 4. Source material selection for tuning will be discussed, and things to listen for in that material will be roundtabled as much as feasible. As a good example of something that is very hard to set purely by measurement, the last system (re)tuning I undertook had the downfill under the two-box L/R clusters attenuated 0.2dB more than the downfill under the three-box center cluster. I set the downfill levels by ear, and both myself and the house audio engineer agreed the extra 0.2dB attenuation on the L/R downfills noticeably improved their subjective seamlessness to their respective clusters. This change in level would have been essentially impossible to define in your measurement system of choice. [/QUOTE]
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