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Junior Varsity
X32 Discussion
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<blockquote data-quote="Friedrich Altheide" data-source="post: 124588" data-attributes="member: 7760"><p>Re: Auto Gain</p><p></p><p>Hi Mick,</p><p>sorry for having kept you waiting, but school is keeping me busy.</p><p></p><p></p><p>“Have you saved your scene?” question will pop up on pressing “Start”- or “Continues”-button to ensure you not to override gain- and fader-settings in the X32-mixer. Only if you answer this question with: “yes” the program will proceed. You can disable the safety question in the setting menu.</p><p>For example:</p><p>You make a soundcheck with your first musicians using “Start” function and you get your perfect sound. Then you want to do the soundcheck with a second band. Without the safety question you might forget to save the scene (gains, faders etc) for the first band in the X32-mixer and override it with the values of the second band.</p><p>Automixer can be used together with Autogain-function in one scene:</p><p>a band playing in the background, controlled by Start/Continue and</p><p>orators controlled by Automixer.<p style="margin-left: 20px">[ATTACH]153645[/ATTACH]</p> <p style="margin-left: 20px"></p><p></p><p></p><p>Yes, there is an interaction between the channels selected for the Automixer. This interaction will reduce unwanted noise signals by reducing the number of open mics.</p><p>The Dugan Automixer is mostly used as an Insert-Effect. It uses a separate gain for each mic-channel outside of the mixer to reduce the level of the mic-channels.</p><p>I have tried to adopt Dan Dugan’s Automixer algorithm as described in here: <a href="http://www.protechaudio.com/products/PDFFiles/DuganMixing.pdf" target="_blank">http://www.protechaudio.com/products/PDFFiles/DuganMixing.pdf</a><p style="margin-left: 20px">…</p> <p style="margin-left: 20px"><em>L[SUB]n[/SUB]’=L[SUB]n[/SUB] - [Sum(L[SUB]n[/SUB]) – L[SUB]n[/SUB]]</em></p> <p style="margin-left: 20px"><em>L[SUB]n [/SUB] is the level in channel n befor</em><em>e attenuation</em></p> <p style="margin-left: 20px"><em>L[SUB]n[/SUB]‘ is the level in channel n after attenuation</em></p> <p style="margin-left: 20px"><em>Sum(L[SUB]n[/SUB]) is the sum of the levels in all channels (the sum is taken before individual channels are attenuated)</em></p> <p style="margin-left: 20px"><em>…</em></p> <p style="margin-left: 20px"></p><p>I don’t have a second gain to attenuate microphone levels as Dugan has, so I use “bus sends” to simulate the missing second gain.</p><p>By changing a channel fader assigned to Automixer you can variate the ratio to other Automixer-channels. Fader-Channel n will change <em>(L[SUB]n[/SUB])</em>, i.e. make one person louder or quieter. With the bus-fader the loudness: <em>Sum(L[SUB]n[/SUB]’) </em>is changed.</p><p>If you have further questions, feel free to contact me. I will <u>try</u> to answer them.</p><p>Friedrich Altheide</p></blockquote><p></p>
[QUOTE="Friedrich Altheide, post: 124588, member: 7760"] Re: Auto Gain Hi Mick, sorry for having kept you waiting, but school is keeping me busy. “Have you saved your scene?” question will pop up on pressing “Start”- or “Continues”-button to ensure you not to override gain- and fader-settings in the X32-mixer. Only if you answer this question with: “yes” the program will proceed. You can disable the safety question in the setting menu. For example: You make a soundcheck with your first musicians using “Start” function and you get your perfect sound. Then you want to do the soundcheck with a second band. Without the safety question you might forget to save the scene (gains, faders etc) for the first band in the X32-mixer and override it with the values of the second band. Automixer can be used together with Autogain-function in one scene: a band playing in the background, controlled by Start/Continue and orators controlled by Automixer.[INDENT][ATTACH=CONFIG]153645.vB5-legacyid=10309[/ATTACH] [/INDENT] Yes, there is an interaction between the channels selected for the Automixer. This interaction will reduce unwanted noise signals by reducing the number of open mics. The Dugan Automixer is mostly used as an Insert-Effect. It uses a separate gain for each mic-channel outside of the mixer to reduce the level of the mic-channels. I have tried to adopt Dan Dugan’s Automixer algorithm as described in here: [URL]http://www.protechaudio.com/products/PDFFiles/DuganMixing.pdf[/URL][INDENT]… [I]L[SUB]n[/SUB]’=L[SUB]n[/SUB] - [Sum(L[SUB]n[/SUB]) – L[SUB]n[/SUB]] L[SUB]n [/SUB] is the level in channel n befor[/I][I]e attenuation L[SUB]n[/SUB]‘ is the level in channel n after attenuation Sum(L[SUB]n[/SUB]) is the sum of the levels in all channels (the sum is taken before individual channels are attenuated) …[/I] [/INDENT] I don’t have a second gain to attenuate microphone levels as Dugan has, so I use “bus sends” to simulate the missing second gain. By changing a channel fader assigned to Automixer you can variate the ratio to other Automixer-channels. Fader-Channel n will change [I](L[SUB]n[/SUB])[/I], i.e. make one person louder or quieter. With the bus-fader the loudness: [I]Sum(L[SUB]n[/SUB]’) [/I]is changed. If you have further questions, feel free to contact me. I will [U]try[/U] to answer them. Friedrich Altheide [/QUOTE]
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