![]() Short buffers are a problem because there is a minimum time that can't be crossed without the CPU falling behind real-time. Longer buffers don't come for free, as more audio needs to be generated to fill them. That is, no matter how long the buffer, the computer needs half the buffer-time to generate the audio to fill it. The graph shows why very short buffers are bad, and very long buffers don't help - In this example the minimum time needed to generate audio for the project is 50% of real-time. But there are limits, buffer lengths over 40 ms (1764 samples) make live playing difficult and will probably not help CPU usage. Starting from 10 ms (441 samples) keep adding 5 ms (220 sample) increments until you notice a drop in CPU usage. For Windows you will need to click the ' Show ASIO panel' button there, to see the settings if you are using an ASIO driver (as you should be!). The Buffer length setting is found on the Audio settings page. Increase the audio buffer length - For Windows and macOS, make sure the Buffer length setting is not less than 10 ms (441 samples).Everything should be 44.1 kHz (44100 Hz), or 48 kHz (48,000 Hz) if that is not available for one or more devices in the chain. ![]() The latter one requires more than 4X the calculations compared to 44.1 kHz! ALSO make sure your computer Audio Setting Output 'Sample rate' and the Audio Interface Output 'Sample rate', plus Input 'Sample rate', all match.
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