Switching an audio editor to a spectrogram can make familiar speech look unfamiliar. The display is useful because it presents a different aspect of the same recording, not because colourful detail automatically reveals a problem.
Read the axes before the pattern
The Audacity spectrogram manual describes a view of energy across frequency bands over time. Frequency range, colour settings and analysis settings affect its appearance.
A screenshot without those settings is incomplete evidence. Changing the analysis window also involves a trade-off between time and frequency resolution, so there is no single view that makes every feature equally clear.
Start with a known sound
Use a short recording you understand, perhaps your own spoken sentence followed by a gentle tap. Compare the visual events with playback. Do not start by assigning technical names to every stripe or patch.
Keep the original audio unchanged while exploring display settings. Write down which setting helped you locate a specific event.
Return to the practical task
If you are editing an interview, the question might be where an unwanted sound occurs. The display can guide inspection, but listening still determines whether the proposed change helps.
Compare this with reading a waveform. Two views can support one careful decision without becoming competing verdicts about recording quality.