General Options

The General tab lets you configure general Ozone properties.

Performance
Delay compensation	Ozone 3 uses several new "digital" algorithms, such as the digital EQ an digital multiband crossovers. These digital algorithms do tricks like eliminating phase distortion (i.e. providing linear phase filtering) but they also result in a delay of the signal. That is, Ozone needs some time to "work on" the audio before it can send it back to the host application. That time represents a delay when listening or mixing down. Fortunately, many applications provide "delay compensation" - a means for Ozone to tell the application it has delayed the signal, and the host application should "undo" the delay on the track. If your host application supports delay compensation, select this option. If your application doesn't support it, or skips/stutters with this option on, you can always manually correct the delay offset in the host application (i.e. manually edit out the short delay of silence). To help you perform manual correction, the delay Ozone introduces is shown below "Total System Delay" in both samples and milliseconds.
Process as mono	You can force Ozone to process in mono, which will require almost half the CPU for half the channels. This can be useful for previewing on slow computers, just be sure to turn the option off to mixdown in stereo.
Preset changes	This determines Ozone's behavior when you change presets in the Preset Manager. "Realtime" means that Ozone will change between presets seamlessy. This option will provide the fastest changes between presets, but many host applications will drop out when changing between two very different presets. "Bypass" means that Ozone will bypass its processing while presets are changing. "Mute" is similar, but in this case Ozone will mute its output while presets are changing. Ozone defaults to "Bypass" to minimize the chance of dropouts in all host applications. If transitioning between presets sounds strange to you, try experimenting with Ozone's Gain When Bypassed setting, or set the mode to "Mute". The "Realtime" mode is ideal in host apps running at less aggressive latencies, but if you experience dropouts while auditioning presets, you should avoid "Realtime" mode.
Total system delay	This readout shows the amount of delay, in both samples and milliseconds, that Ozone introduces into the signal chain.
View Buffers	This launches the View Buffers dialog, which lets you inspect the buffer sizes which your host application is using. See  Buffer Sizes documentation for more info.
Graphics
Enable meters	Although each meter has its own options, this option allows you to quickly turn off all meters.
Enable animations	Allows you turn on/off the animated appearance of dialog boxes.
Enable animated focus	Allows you to turn on/off the animated white brackets which indicate the control where keyboard commands are sent.
Show background grid	Toggles the visbility of the grid in the background of Ozone's touchscreen display.
Frame rate limiter	Allows you to set the limit the speed (frames per second) that Ozone should use to display and update meters. In most cases the default will provide smooth displays while still allowing adequate processing time for audio. If your PC hardware allows it, you can increase the frame rate for smoother animation. On the other hand, if you are running Ozone on slower hardware or notice graphics performance problems in your host application, you can set the FPS value lower to limit the amount of CPU Ozone uses for drawing.
Opacity	Allows you to control the opacity or transparency of the Ozone UI. This is helpful when working with automation, for example, to be able to have the Ozone UI in front but be able to "see through it" to the automation curves on the track view of the host app. Setting partial transparency does require additional CPU, but there is no CPU penalty when opacity is at 100% (i.e. the feature is not being used). If you find this feature useful, be sure to note the keyboard shortcuts for it. The slider will be disabled in host applications that do not support this feature.
Use rendering thread	Turn off this option to conserve CPU power. With the option on, a separate thread is created for graphics, providing smoother graphics at the expense of more CPU.
Other
History depth	Lets you set how many levels or steps are remembered in the History dialog .
Automation interval	This control only applies to DirectX versions of Ozone. It controls how often Ozone updates its processing based on your host application automation envelopes. To save CPU while previewing, you can increase the automation inverval. This allows Ozone to update less often, which saves CPU. For mixing down, you can decrease the automation interval to provide nearly sample accurate automation. In non-DirectX versions of Ozone, due to the technical details of these plug-in formats, the automation accuracy is limited by the host application buffer size.
Automation highlight	This control only applies to DirectX versions of Ozone. It allows you to color higlight controls that are being modified by host application automation. Note that the highlighting will only appear around the control when the audio is playing - that is, while automation data is being sent to Ozone. In VST versions of Ozone, it's not possible for Ozone to tell with certainty when controls are being automated versus when they're being changed by the user, so automation highlighting is not available. In Pro Tools versions of Ozone, automation highlighting is built into Pro Tools, and you can use Pro Tools to set the automation highlight color as well.
RTAS Buffering
RTAS buffer size	This option only appears in the RTAS version of Ozone. For optimal performance, you should set this to the same value that the "H/W Buffer Size" is set to under Setups / Playback Engine in Pro Tools. Note that this will introduce a few milliseconds of latency into Ozone's output. If this is undesirable, set this option to 32 for no additional latency but higher CPU usage. See Buffer Sizes for details.