Single male native British English talker recorded producing 25 TIMIT sentences in 5 conditions, two natural: (i) quiet, (ii) while the talker listened to high-intensity speech-shaped noise, and three acted: (i) as if to a non-native listener, (ii) as if to a computer speech-recognition system, (iii) as if to an infant. Accompanied by automatic and hand-corrected phone-level transcription.Description found in readme_acted_clear_speech.txt