The regret in his voice was provocative of a second burst of laughter. 
ðʌ ɹʌɡɹɛt ɪn hɪz vɔɪs wɑz pɹoʊvɑkʌtɪv ʌv ʌ sɛkʌnd bɜ˞st ʌv læftɜ˞. 
 Indian's voice is very clear and very monotone, spoken at a moderate speed in an environment with a very close-sounding acoustic.