The purpose of the External Insert plug-in is to route audio to and from existing I/O ports in Cakewalk, allowing an external audio device to be effectively patched into any FX Rack. This allows you to seamlessly incorporate your favorite outboard gear in a Cakewalk project.The External Insert plug-in is able to measure and automatically compensate for the round-trip delay through your audio hardware (the time it takes for the audio to exit you computer, be processed by your external audio hardware and finally returned to the computer).The left-hand side contains the hardware/external Send controls and the right-hand side contains the hardware/external Return controls.
L (Left). This toggle enables/disables the left channel send output (enabled by default).
R (Right). This toggle enables/disables the right channel send output (enabled by default).
Mono. This toggle sums the stereo signal to make it dual-mono so the send output has the same audio on the left and right channels.Send Level. This is a +/- 24 dB trim to the level that is passed to the external send. This parameter is automatable.Send VU Meter. This meter shows the signal level being delivered to the external send. Since this is feeding a sound card output, it is important to avoid clipping at this stage.Send Port Picker. This control lets you choose an audio output that currently has nothing routed to it. This is the port that you should connect to the input(s) of your external gear. All output ports that are already used in the project are excluded (except for master buses that have other instances of the External Insert plug-in routed to them).
Return Phase Control. This control flips the phase of the signal being returned to the external return input. This parameter is automatable.Return Level. This is a +/- 24 dB trim to the level that is passed from the external send. This parameter is automatable.Return VU Meter. This meter shows the signal level entering the external return.Return Port Picker. This control lets you choose any available hardware input. This is the port you that you should connect to the output(s) of your external gear. All input ports that are already used in the project are excluded
Delay Measurement. This control shows the last measured round-trip delay through your audio hardware. Click the control to initiate a new measurement.Manual Delay Offset. The center control displays and resets the manual delay offset. The buttons to the left decrease the manual offset by 1 or 10 samples. The buttons to the right increase the manual offset by 1 or 10 samples. All delay buttons are disabled during playback.
Note 2: The delay is automatically re-measured if the Buffer Size setting is changed in Edit > Preferences > Audio - Driver Settings or if ports are changed.Figure 445. External Insert.A. Send Stereo Mode (Left, Right, Mono) B. Send Level C. Send VU Meter D. Send Port E. Return Phase F. Return Level G. Return VU Meter H. Return Port I. Delay Measurement J. Send section K. Return sectionFigure 446. External Insert signal flow.The external gear’s audio input must be connected to one of your audio interface’s output ports and the external gear’s audio output must be connected to one of your audio interface’s input ports.
2. Right-click an FX Rack and select Insert External Insert from the pop-up menu.
3. Click the Send Port control and choose the audio port that is connected to your external gear’s audio input.
4. Click the Return Port control and choose the audio port that is connected to your external gear’s audio output.
5. Click the Delay Measurement control to measure the round-trip delay through your audio hardware.The round-trip time for the signal to return is measured and displayed on the button. This is the delay that will be compensated for in Cakewalk to keep the track in sync with the rest of the project. For information about testing the delay measurement, see Testing the delay measurement and When to measure the delay.
Tip: The Send and Return levels, Phase and I/O port settings can be saved as a preset. If you frequently use a specific external effect, save the settings as a preset that can be quickly recalled in other projects.
The External Insert plug-in's delay measurement is normally sample accurate. However, for some hardware configurations, it is possible that a manual adjustment of up to several samples may be required in order to be exactly sample-accurate. If you want to test the accuracy of the delay measurement for your hardware, follow these steps:
2. Use the Track view Tracks > Duplicate Track(s) command to clone the track (including the audio) to a new track.
4. Assign the Send and Return to any available input and output on your audio hardware.
6. Press Play in Cakewalk.
8. In the Track Inspector or Console view, click the Phase button on one of the tracks to invert the phase.
9. In the External Insert plug-in, click the Delay Measurement control to measure the round-trip delay through your audio hardware.
10. Press Play in Cakewalk again.
11. In almost all cases, the sound will be quietest with no manual offset. In some rare circumstances, you may have hardware that requires an offset of a sample or two. If this is the case, you will want to always add that offset when you use the External Insert plug-in.If your hardware requires a manual offset, you will only need to adjust the offset once for any particular sound card.
When the current delay setting becomes invalid, an asterisk (*) is displayed next to the delay value. If you notice the asterisk, it means something has changed in your system and it's time to measure the delay again.When you load a project with the External Insert plug-in (or select a preset in the External Insert interface), Cakewalk checks to see if the exact same ports are assigned as when the project was saved. Cakewalk’s port assignments can change if you load the project on a different hardware configuration or change driver models. If there is any discrepancy between the port assignments that were saved and the ports that are used in the current configuration, the ports are set to “None”. Doing so avoids accidentally loading projects and having audio routed in an unexpected way.The External Insert is a simple way to use real outboard effects as if they are inside Cakewalk. However there are several good reasons why you should consider bouncing or freezing the audio that passes through the External Insert in order to capture the result of the external hardware processing:
If you bounce or freeze audio in a project that uses the External Insert plug-in, the bounce operation must be performed in real-time.When bouncing audio data, Cakewalk will automatically detect the presence of any External Insert plug-ins (see External Insert plug-in) in tracks or buses, and disallow the bounce operation if the Render in Real-time mix option is disabled.If you need to bounce or freeze audio in a project that contains any External Insert plug-ins, you have two choices:
Enable Render in Real-time in the Mix and Render section.If you need to make a change later, you can always unfreeze the audio, change settings, then freeze again.
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