



Therefore by default an imported file will show in the Track Control Panel as 32-bit float, even if its original bit depth is lower. Generally, Audacity imports files at the sample format (bit depth) specified at Default Sample Format in Quality Preferences. 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 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:
