Applies to: All audio interfaces
Windows 11 caters to many different users and applications and is therefore not configured for optimal audio performance by default. Below are some ways to improve your experience for music production.
You might view this article if you experience these problems:
- Pops, clicks, humming and distorted sounds when you record or playback audio.
- A delay between when you play your instrument/microphone/MIDI instrument and hearing the sound from your speakers/headphones (latency).
- Your Windows machine runs slowly or keeps crashing.
Basic Tips
Free up space
Don’t let your computer’s boot drive get too full. Always make sure you leave more than 20% of your computer's main hard drive empty. To see how much storage has been used:
- Click the Windows icon and type and select ‘Settings’
- Select ‘System’
- Select ‘Storage’
The bar will show how much storage has been used and is free. You can remove files you no longer need or move them to external/cloud storage.
You can also use the Disk Cleanup tool to remove temporary files and files or folders you no longer need. This can save you lots of space. The cleanup operation can take a few minutes to up to an hour, so only try this if you have time to spare. To use the Disk Cleanup tool:
- Click the Windows icon, type and select 'Disk Cleanup'.
- Select your C: drive, check everything and click OK.
- Go back to Disk Cleanup, select the C: drive again, click Clean up system files.
- Select everything, click OK. This process may take a while, especially if you’ve never done this before, so don’t shut down or restart your computer during the cleanup operation. The window will disappear once it’s finished.
Use enough memory
If you are running large projects involving sample libraries and multiple plugins, we recommend your computer has at least 8GB of RAM.
Use a suitable USB cable for your Hardware
Make sure you use a short USB cable, either the one in the box with your interface or a cable shorter than 2 metres. Using longer USB cables with your interface can cause dropouts, glitches or stop your interface from working.
Ensure your interface has its own dedicated USB port
USB hubs are known to cause issues with audio devices. These issues can include noise, and connection problems. Therefore, we recommend your interface is connected directly to its own USB port.
Close all other background applications
When you run your DAW (Digital Audio Workstation), make sure you close applications you are not using, such as
- Music streaming apps (Spotify etc.)
- Web browsers (Chrome, Edge etc.)
- Office applications (Word, Excel etc.).
This will free up power for your DAW, preventing your system from running slowly when multiple programs are trying to use the machine.
Main Tips
Optimise Focusrite software and buffer size
Ensure you have the latest version of the Focusrite driver or control software installed. You can find the latest version for your device on our Downloads Page.
If you experience glitchy audio with your Focusrite interface, increase the buffer size and test the interface again. To do this, right-click on the Focusrite Notifier and select your device's settings. Increase the buffer size to 1024. If the performance improves, you can try a lower setting.
If you are unsure what buffer size is and how it affects performance, please see this article:
Sample Rate, Bit Depth & Buffer Size Explained
If you can’t see the Focusrite notifier in your taskbar:
- Go to your taskbar (in the bottom right corner of your desktop).
- Click on the arrow facing up (^).
- Locate the Focusrite notifier (presented as a small ‘F’).
- Drag and drop the Focusrite Notifier into the main area of the taskbar.
Disable USB selective suspend
This feature can cause problems with devices connected via USB.
- Search for ‘Edit power plan’.
- Click 'Change advanced power settings'.
- Click ‘USB settings’.
- Click ‘USB Selective suspend setting’.
- Click ‘Disable’.
If you have a laptop, two options will appear. ‘On battery’ and ‘Plugged in’. Select 'disable' for both.
Set processor scheduling to "Background services"
To do this:
- Open Control Panel and select "System".
- Go to "Advanced system settings" and click the "Advanced" tab.
- Click on "Settings" under Performance to bring up the "Performance Options" window.
- Go to the "Advanced" tab and set processor scheduling as "Background Services".
- Click "Apply" then "OK".
Disable startup programs
Sometimes your PC will launch programs automatically upon startup. This can negatively affect your computer's performance.
- Search in the Start menu for ‘Task Manager' and open it.
- Select ‘Startup’.
- Select the ‘Start-up impact’ tab at the top.
- This will re-categorise the programs in order of high to low.
- Find the programs you don’t want on startup.
- Right-click on them and select disable.
NOTE: we strongly recommend disabling "Cortana" as this program can sometimes attempt to use the inputs on your audio interface at inopportune moments (e.g. when you're in the middle of a recording session).
Disable system sounds
Sometimes system sounds can interrupt your recordings.
- Search in the start menu for Control Panel
- Select ‘Hardware and Sound’
- Select ‘Sound’
- Select the ‘Sounds’ tab
- Under the ‘Sound Scheme menu’ select ‘No Sounds’
- Click on Apply and then OK
High-Performance Power Plan
A power plan is a collection of hardware and system settings that manages how your machine uses and conserves power.
- Open Control Panel and search for ‘Power Options'
- In the menu on the left, select ‘Create a power plan’.
- Select ‘High Performance’
- Give your plan a name: For example, ‘Audio Workstation’.
- Select ‘Never’ for both ‘Turn off the display’ and ‘Put the computer to sleep’.
- Select ‘Create’.
You will now be on the Power Options page where your NEW custom power plan will be selected.
- Select 'Change Plan Settings' for your NEW custom power plan.
- Open ‘Advanced power settings.
- Expand ‘USB settings’.
- Disable ‘USB Selective suspend’.
If you have a laptop, two options will appear. ‘On battery’ and ‘Plugged in’. Select disable for both.
- Expand ‘Processor power management'.
- Set the minimum and maximum process state to 100.
If you have a laptop, two options will appear. ‘On battery’ and ‘Plugged in’. Select disable for both.
Additional Optimisation
USB Power Management Settings
This optimises how your machine uses your USB ports
- Search in the start menu for ‘Device Manager’.
- Select ‘Universal Serial Bus Controllers’ and expand it.
- Right-click the first entry and select properties.
- Open ‘Power management’.
- Deselect the option: ‘Allow the computer to turn off the device to save power’.
- Apply steps 3 – 5 to each entry.
If an entry doesn’t have ‘Power Management’ visible, don’t worry, just ignore this and move to the next entry.
Disable exclusive mode
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Open Control Panel > Hardware and Sound > Sound.
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Choose Playback Devices.
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Select the audio device you would like to adjust (i.e. - Scarlett, Saffire).
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Click Properties.
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Choose the Advanced tab.
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Uncheck the Allow applications to take exclusive control of this device box (both boxes will be disabled now).
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Click 'Apply' then OK.
- Repeat the steps in the Recording tab.
- Reboot your computer to make the changes.
Disable Network cards
Sometimes, network card drivers can cause conflicts with audio drivers. If you are experiencing glitchy audio, then a good troubleshooting step is to try disabling your network adapters in Device Manager and then test local audio (like an mp3) and see if you continue to have issues. Disabled adapters can easily be re-enabled at any point from the Device Manager.
Disable "C States" in the BIOS
In order to save energy when the CPU is idle, the CPU can be commanded to enter a low-power mode. Different processors have varying arrays of power modes collectively called “C-states” or “C-modes”. Different processors support different numbers of C States (some don't support C States at all).
We've found that having C States enabled can cause adverse performance on some systems. If you're having audio performance issues, we recommend preventing your processor from entering power-saving C-states.
To do this, you will typically need to boot into the BIOS (Basic Input/Output System) of your computer. Please contact the motherboard manufacturer if you're not comfortable doing this. Focusrite Technical Support cannot help you tweak BIOS settings as the BIOS layout and the available options are different for every machine.
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