Collectively, these features of vocal quality have been linked to inflammation, stress and disease.

总的来说，这些声音质量特征与炎症、压力和疾病有关。

When you're imitating the audio here, try to match  his vocal quality, his whisper quality as well.

当您在这里模仿音频时，请尝试匹配他的声音质量，以及他的耳语质量。