This calls up a latency measurement tool with step-by-step instructions to compensate latency introduced by external equipment and the digital to analog, and analog to digital conversion process. You can select “None” if you think the MIDI system is unneeded, or is delaying startup. This selection will default to the MIDI framework supported by your OS. Furthermore, small system changes (such as unplugging and re-plugging a USB device) can cause this value to change. The converter latency is very small when compared to the delay incurred by the computer buffer-size. *Most users will find that it is unnecessary to calibrate the input & output latency. When audio is routed from outboard equipment and back to Mixbus it must undergo a conversion from analog to digital ( ADC), the time it takes for this conversion can be entered to compensate for latency so that all audio remains time aligned (This process can be automated, see “Calibrate Audio” below). In conjunction with sample rate, buffer size is used to control latency and to manage hardware resources. A drop down list with all sample rates supported by your selected audio interface will be displayed.Normally, you should choose the same or similarly-named device for both input and output. Some combinations of input & output devices will not work.For best results, you should use Mixbus with a high-quality audio interface. Select your preferred audio interface from the pulldown list.For example you might set this to ASIO if an external I/O device is detected. This menu specifies the driver software protocol for the selected input and output devices detected. If not, then Mixbus will start the JACK server for you (the JACK option is available on Mac, Windows and Linux). If the JACK server is already running, then Mixbus will connect to the JACK server. It is only available if you have already installed JACK on your system. “ JACK” uses the JACK server to talk with your sound card and other software on your system.To use your audio devices on Linux, select “ ALSA” (these options are only available on Linux).To use your audio devices on Windows, select “ PortAudio” (this option is only available on Windows).To use your audio devices on Mac OS X, select “ Core Audio” (this option is only available on Mac).The “Audio System” selection tells Mixbus which way you will connect to your devices. The audio device must be re-started if you want to save your session. This will disconnect Mixbus from the audio device, and therefore use no cpu power. *It is sometimes useful to click the “Stop” button while you have a session open. When you are done with the settings, press the “ START” button to connect to the selected audio device. You can also launch the Audio Midi Setup dialog from the main menu, under “Window”.Īs seen in the figure there is an indicator showing “ STOPPED” in red while you are setting up these parameters. However you can later change the soundcard setup, buffersizes, and other I/O details. *The sample rate that is selected during the initial session setup cannot be changed later. This step allows you to choose the session’s sample rate, as well as the soundcard settings and other details. The Audio Midi Setup dialog appears automatically when you create a “New” session.
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