Final answer:
Background noise ambient refers to the noise present in the environment, while noise while the speaker is speaking refers to the additional noise produced by the speaker.
Step-by-step explanation:
The difference between background noise ambient and noise while the speaker is speaking is as follows:
- Background noise ambient: refers to the noise present in the environment. It includes sounds such as traffic, machinery, or other people talking.
- Noise while the speaker is speaking: refers to the additional noise produced by the speaker. It can include factors like voice volume, clarity, and pronunciation.
Therefore, option 1) is the correct answer.