59 lines
2.2 KiB
HTML
59 lines
2.2 KiB
HTML
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<p>
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<dfn>Inserts</dfn> are signal tap points that can be placed anywhere
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inside a channel strip. Unlike Auxes, they will interrupt the signal flow,
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feeding the signal from before the insert point to its <dfn>Insert
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send(s)</dfn>, and connecting the remainder of the channel strip to the
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<dfn>Insert return(s)</dfn>, both of which are either audio device or JACK ports.
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</p>
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<p class="note">
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When an insert is created, the signal will be interrupted until the relevant
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connections to the insert ports are made!
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</p>
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<p>
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While jack ports are visible to other JACK applications, ALSA ports are only
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useful for patching in audio equipment external to the computer. If inserting
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a software processor is required, a plugin would be the first choice. If a plugin
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is not available then the jackd audio backend would have to be used. This is
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not very common any more but there are some older jack clients that require
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using jack.
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</p>
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<p>
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Inserts work the same as the inserts on analog consoles except they are not
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normalled like most jacks on an analog console.
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</p>
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<p>
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An insert allows to either use a special external DSP JACK
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application that is not available as a plugin, or to splice an external
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analog piece of gear into a channel strip, such as a vintage
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compressor, tube equalizer, etc. In the latter case, the inserts would first
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be connected to a pair of hardware ports, which are in turn connected to the
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outboard gear. This is done on the <kbd class="tab">Send/Output</kbd> and
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<kbd class="tab">Return/Input</kbd> tabs of the <kbd class="window">Insert</kbd>
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dialog respectively.
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</p>
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<figure>
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<img src="/images/port-insert-send.png" width="50%" alt="Insert / Send">
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<figcaption>
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Insert Dialog, the Send/Output tab
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</figcaption>
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</figure>
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<p>
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Apart from providing access to the connections matrix, the dialog allows adjusting
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the output gain and toggling phase inversion for Send/Output, as well as measuring
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and adjusting latency for the insert.
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</p>
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<p class="note">
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Inserts will incur an additional period of latency, which can be
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measured and compensated for during mixing, but not during tracking!
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</p>
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<p>
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Disabling (bypassing) an insert is done by clicking on its LED in the processor box.
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</p>
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