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The lower the buffer size, the less latency, however the CPU load also increases.
The buffer size can be set in powers of two starting at 32 samples.
Using the chooser menu the quality can be increased to higher settings if needed:
The default In/out sample rate is set to 44100 Hz. In Live 10 you can rename all inputs and outputs for convenience: Only activate the ones you need, to save CPU. If you have a basic audio interface with 2 inputs and 2 outputs, these will be automatically selected in Live.
Input and Output Config lets you activate the inputs and outputs that you need. On Mac, you can choose separate devices for both input and output, or you can choose to deactivate one of them (set to "No Device"):. Click on Driver Type and select CoreAudio (Mac) or ASIO (Windows):. Open Live's preferences to the Audio tab. We recommend that you never connect audio interfaces to a USB hub, but always directly to the computer's port. Connect the USB cable between your computer and the interface. On Mac this is a Core Audio driver, on Windows there are various driver types available but ASIO is the best option. Windows users also have the option to install Asio4All which is a freeware universal audio driver. Firstly, download and install the latest driver for your audio interface (if available).
A USB interface is used for this example. Most external audio interfaces use either USB, Thunderbolt or Firewire to connect to your computer. Audio interfaces generally improve the sound quality, allow you to achieve less latency and give you more options such as multiple inputs and outputs as well as record monitoring capabilities. An audio interface allows you to connect microphones, instruments and other sources to your computer, so that you can record them into Live.