Você não pode, porque na verdade é proibido lançar o áudio do CVR sob a lei dos EUA. Do NTSB :
The CVR recordings are treated differently than the other factual information obtained in an accident investigation. Due to the highly sensitive nature of the verbal communications inside the cockpit, Congress has required that the Safety Board not release any part of a CVR audio recording.
Outros países podem ter regras diferentes.
Esta regra surgiu após o acidente do voo 1141 da Delta Air Lines , (comentado por @MichaelK)
[...] where the crew — in extremely cruel irony — were bantering on the flight deck about what to say that would get captured on the CVR in case of a crash. That irony was then squared in that the bantering was a directly contributing cause of the crash, in that they forgot to deploy flaps and slats