When your timebase display is set to Bar/Beat, if required, you can determine your audio file's tempo or enable the metronome for assistance.

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Note: CyberLink AudioDirector does not automatically calculate the tempo of audio clips in the timeline. The Bar/Beat timebase display is just a guideline for tempo you can use in your audio and video editing.
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Determining Tempo
If you are not sure what the tempo of an audio file is, click the BPM button at the bottom of the Edit, Restore, and Mix rooms to open the Determine Tempo window. You can also access this window in General preferences by clicking the Tempo button.

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Note: if you know the tempo of the audio or you want to manually set the tempo used in the timebase display, you can click in the field next to the icon and enter it. It must be a number between 1 and 1280.
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To determine the tempo of an audio file, do this:
1. | Start the playback of the audio you want to determine the tempo of. |
2. | Click the BPM button at the bottom of the Edit, Restore, or Mix room to open the Determine Tempo window. |
3. | When ready, click the Tap button (or the T key on your keyboard) to the beat of music. Tap several quarter notes, as the more taps your provide, the more precise it will be in determining the tempo. |
4. | When you are done, click OK to set the detected tempo as the timebase display. |

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Note: before closing the Determine Tempo window, you can click Preview to hear the tempo you set. You can also use the metronome to hear the tempo during audio playback.
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Metronome
When using the Bar/Beat timebase display, you can click the Metronome button to enable the metronome during playback. Once you click play to start the audio playback, the metronome will accurately play tapping sounds to the set tempo.
Use this to check that the set tempo is precise, and make any adjustments if required. You can change the set tempo by clicking in the field next to the icon and entering it, or by clicking the BPM button to determine it manually. See Determining Tempo for more information.
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