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Low Earth Orbit
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New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Ivan Beaver" data-source="post: 137288" data-attributes="member: 30"><p>Re: New DIY Mid High</p><p></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">The X curve is GREATLY misunderstood by most people.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">Simply because they do not understand WHY it came about and HOW it is used.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">As with many things, people take a little bit of knowledge (without proper background) and then try to apply it something in totally the WRONG way.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">A short history. It was found that when speakers were placed behind a perf screen the top end naturally rolled off. A standard curve of this response was determined and is the X curve. So all cinema speakers are tuned to this standard-so that no matter if they are placed behind the screen (different screens have different rolloffs-so the speakers need to be eqed differently) or if they are exposed.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">So this curve is applied to the playback/monitor speakers in a move production facility. This is so the mix engineer will hear and "mix" the sound so that it sounds correct when PLAYED BACK through a system that has this response. So what happens is that top end gets boosted in the recording-to compensate for the loss of the speakers behind the screen.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">If this mix is played back through a system that does not have the HF rolled off-then it will sound bright.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">It is TOTALLY INAPPROPRIATE to use this curve in a live music situation-but that doesn't stop those who don't understand the PURPOSE and intent of the curve. They just think it is "cool" because they are doing something that other people may not have heard of and certainly don't understand. </span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">I disagree with the statements about presence peaks and proximity effect. YES they are real and do exist and do cause issues, HOWEVER I don't want to tune my rig for a couple of microphones. What about all the sources that DON'T have these effects? Direct lines-condenser mics etc.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">I fell it is far better to deal with the OFFENDING channels, rather to attempt to tune for those and then try to "make it up" on all the channels that don't have the PROBLEM.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">OF course everybody has their own methods and ideas-but I will always hold by my statements that the speaker system should be as flat as possible in order to ACCURATELY reproduce what is coming into it without adding its own "coloration".</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">It is funny to me how many people like to talk about having an "accurate" system-and then do all kinds of things to make NOT ACCURATE-both audibly and measurably.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">OH WELL---------------------------- I'll just keep doing what I do, the way I feel is best. Other are free to disagree</span></span></span></p></blockquote><p></p>
[QUOTE="Ivan Beaver, post: 137288, member: 30"] Re: New DIY Mid High [FONT=Calibri][SIZE=3][COLOR=#000000] The X curve is GREATLY misunderstood by most people. Simply because they do not understand WHY it came about and HOW it is used. As with many things, people take a little bit of knowledge (without proper background) and then try to apply it something in totally the WRONG way. A short history. It was found that when speakers were placed behind a perf screen the top end naturally rolled off. A standard curve of this response was determined and is the X curve. So all cinema speakers are tuned to this standard-so that no matter if they are placed behind the screen (different screens have different rolloffs-so the speakers need to be eqed differently) or if they are exposed. So this curve is applied to the playback/monitor speakers in a move production facility. This is so the mix engineer will hear and "mix" the sound so that it sounds correct when PLAYED BACK through a system that has this response. So what happens is that top end gets boosted in the recording-to compensate for the loss of the speakers behind the screen. If this mix is played back through a system that does not have the HF rolled off-then it will sound bright. It is TOTALLY INAPPROPRIATE to use this curve in a live music situation-but that doesn't stop those who don't understand the PURPOSE and intent of the curve. They just think it is "cool" because they are doing something that other people may not have heard of and certainly don't understand. I disagree with the statements about presence peaks and proximity effect. YES they are real and do exist and do cause issues, HOWEVER I don't want to tune my rig for a couple of microphones. What about all the sources that DON'T have these effects? Direct lines-condenser mics etc. I fell it is far better to deal with the OFFENDING channels, rather to attempt to tune for those and then try to "make it up" on all the channels that don't have the PROBLEM. OF course everybody has their own methods and ideas-but I will always hold by my statements that the speaker system should be as flat as possible in order to ACCURATELY reproduce what is coming into it without adding its own "coloration". It is funny to me how many people like to talk about having an "accurate" system-and then do all kinds of things to make NOT ACCURATE-both audibly and measurably. OH WELL---------------------------- I'll just keep doing what I do, the way I feel is best. Other are free to disagree[/color][/size][/font] [/QUOTE]
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