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Temperature compensation
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<blockquote data-quote="Art Welter" data-source="post: 81433" data-attributes="member: 52"><p>Re: Temperature compensation</p><p></p><p></p><p>As Arthur pointed out, temperature and humidity both affect the speed of sound.</p><p>The problem with a temperature sensor is placement, stratification of temperature can be rather extreme between audience level and up where the sound is traveling.</p><p>The stratification will cause the sound to travel in an arc, further changing time of flight. </p><p>As well as time problems there is HF absorption rate of change going on.</p><p></p><p>To stay on top of the changes you could update delay times and EQ using Smaart or other programs that can derive time of flight, but multiple mic locations have to be used, and the further they are out of reach of the crowd, the less valid they will be for the various locations.</p></blockquote><p></p>
[QUOTE="Art Welter, post: 81433, member: 52"] Re: Temperature compensation As Arthur pointed out, temperature and humidity both affect the speed of sound. The problem with a temperature sensor is placement, stratification of temperature can be rather extreme between audience level and up where the sound is traveling. The stratification will cause the sound to travel in an arc, further changing time of flight. As well as time problems there is HF absorption rate of change going on. To stay on top of the changes you could update delay times and EQ using Smaart or other programs that can derive time of flight, but multiple mic locations have to be used, and the further they are out of reach of the crowd, the less valid they will be for the various locations. [/QUOTE]
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