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<blockquote data-quote="Ivan Beaver" data-source="post: 43521" data-attributes="member: 30">Re: What (audio related) ebook do you want written?And making measurements with paying attention to phase can be next to useless.&nbsp; It just depends on what you are trying to measure and WHY!One of the things that was drilled into me in first TEF class was &quot; WHAT AM I HERE TO DO?&quot;.&nbsp; We can make measurements for days on all kinds of different things.&nbsp; But usually we are on a job to do a particular thing-what is it?&nbsp; Determine why a particular area of seats sounds different than the others?&nbsp; Why is it hard to talk on stage?&nbsp; The people in the back/front can&#039;t hear. Where is the main freq range of reverb in the room? How loud will a system get before power compression sets in? and so on.Time is money and now a days we often don&#039;t have the luxury of making a pile of measurements, for our own enjoyment.&nbsp; We use those measurements to help define the problem-and possibly other measurements to help define a possible solution.Sure we can measure all sorts of things regarding something that we consider to be a problem, but if the customer has brought you in to address something else, then that is what needs to be done.&nbsp; They may not care about what you see is a problem.&nbsp; Unless of course the two are related.&nbsp; Such as they say you can&#039;t understand the person talking at the podium.&nbsp; But you walk into the room and hear that the HVAC is really loud.&nbsp; Easy enough to measure the NC of the HVAC system.&nbsp; It may be that if the HVAC system was turned off, they could hear the person at the podium talking-just that the HVAC noise was covering him up-or the mic at the podium is in the path of the airflow and is simply amplifiying that 9along with his voice) through the system.So while they called you in to fix a &quot;problem&quot; with the sound system- the actual fix may be with the HVAC system.What am I here to do?&nbsp; A question I ask myself ALL the time.&nbsp; It helps to give you focus.</blockquote>

[QUOTE="Ivan Beaver, post: 43521, member: 30"] Re: What (audio related) ebook do you want written? And making measurements with paying attention to phase can be next to useless. It just depends on what you are trying to measure and WHY! One of the things that was drilled into me in first TEF class was " WHAT AM I HERE TO DO?". We can make measurements for days on all kinds of different things. But usually we are on a job to do a particular thing-what is it? Determine why a particular area of seats sounds different than the others? Why is it hard to talk on stage? The people in the back/front can't hear. Where is the main freq range of reverb in the room? How loud will a system get before power compression sets in? and so on. Time is money and now a days we often don't have the luxury of making a pile of measurements, for our own enjoyment. We use those measurements to help define the problem-and possibly other measurements to help define a possible solution. Sure we can measure all sorts of things regarding something that we consider to be a problem, but if the customer has brought you in to address something else, then that is what needs to be done. They may not care about what you see is a problem. Unless of course the two are related. Such as they say you can't understand the person talking at the podium. But you walk into the room and hear that the HVAC is really loud. Easy enough to measure the NC of the HVAC system. It may be that if the HVAC system was turned off, they could hear the person at the podium talking-just that the HVAC noise was covering him up-or the mic at the podium is in the path of the airflow and is simply amplifiying that 9along with his voice) through the system. So while they called you in to fix a "problem" with the sound system- the actual fix may be with the HVAC system. What am I here to do? A question I ask myself ALL the time. It helps to give you focus. [/QUOTE]

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