Final answer:
Bryson should use the audio mixing tools available in video editing software, which may include an audio mixing console and keyframes, to precisely adjust audio levels of a clip.
Step-by-step explanation:
If Bryson is having difficulty adjusting audio levels precisely in the Timeline, he may benefit from using the audio mixing tools that are available in most video editing programs. Typically, these tools can be found in a dedicated audio mixing console or panel within the software. Here, he can adjust levels using faders and sometimes numerical input for exact decibel adjustments. Additionally, he could utilize keyframes to animate the volume levels over time for precision control. Using these advanced tools, he can achieve the exact audio levels desired for his video clip.