Also, at regular intervals, he would mutter. 
ɔlsoʊ, æt ɹɛɡjʌlɜ˞ ɪntɜ˞vʌlz, hi wʊd mʌtɜ˞. 
 Indian's voice is very clear and very monotone in this recording, with a very close-sounding tone that suggests a quiet, intimate setting. The lack of noise and reverberation in the background further emphasizes the clarity of the recording.