The default parameters for the number of frames you hear as you scrub are zero frames of outgoing audio (behind the position indicator) and one frame of incoming audio (ahead of the position indicator). To isolate frames for marking or trimming, the default parameters are sufficient.

You can increase these settings to include more frames of audio on either side — for example, when you want to sample whole words or parts of words as you scrub to find edit points within a phrase. You can also reverse the settings to sample frames behind the position indicator (outgoing frames) as you scrub. You should avoid increasing the number of sampled frames on both sides at once because this can make it difficult to isolate an edit point or trim point based on the location of the position indicator.