Final answer:
The audio version of the poem uses pauses and stress to create a sense of direct address to the audience and mirrors the soothing sounds found in nature.
Step-by-step explanation:
The audio version of 'This Is My Letter to the World' affects the experience of reading the poem by using pauses and stress on certain words to convey the idea that the speaker is directly addressing the audience. This helps create a sense of connection between the speaker and the reader. Additionally, the steady beats in the lines of the poem mirror soothing sounds found in nature, further enhancing the overall experience.