To choose some other bespoke rate, click " Other." in the dropdown and type your rate into the box to right of the dropdown. Generally you will want to use the default value of 44100 Hz, which can can reproduce all frequencies that humans can hear (up to 22050 Hz) and is the standard for audio CDs. Default Sample Rate: This sets the Sample Rate which will be used each time Audacity is launched and also when a new project window is opened.However, once there is already an audio track in the project (either an imported file, a recording or generated audio), importing an audio file will not change the project rate. ![]() There is no warning given that this rate change occurs.The Project Sample Rate determines the sample rate a file will be exported at, so no further adjustment is needed to export that file at its original rate.to "open" an audio file), the Project Rate control in Audio Settings Preferences changes if necessary to reflect the rate of the file. When importing a file into an empty project window or when using File > Open.Project Rate may change when importing initial audio file:
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