Imports cloud.google.com/go/texttospeech/apiv1 github.com/erikbryant/aes github.com/faiface/beep github.com/faiface/beep/mp3 github.com/faiface/beep/speaker github.com/faiface/beep/wav google.golang.org/genproto/googleapis/cloud/texttospeech/v1 Standard library imports bytes context fmt os strings time