How does age affect the ideal RT for speech intelligibility?

How does age affect the ideal RT for speech intelligibility?

• A. Age Has No Effect
• B. Adults Require Shorter RT
• C. Younger Kids Require Shorter RT
• D. Younger Kids Require Longer RT

Answer: (C)

Age affects how much reverberation a listener can tolerate. Reverberation time is the duration for sound to decay in a room. When RT is longer, the sound from earlier speech lingers and overlaps with later speech, which smooths the speech envelope and blurs quick consonant transitions. Children have developing auditory temporal processing and phoneme discrimination, so they struggle more with this overlap. A shorter RT keeps speech clearer and helps younger listeners separate sounds and understand what is being said. Adults, with more mature processing, can cope with some reverberation, but for young kids the ideal, intelligibility-optimizing RT is shorter.

Age affects how much reverberation a listener can tolerate. Reverberation time is the duration for sound to decay in a room. When RT is longer, the sound from earlier speech lingers and overlaps with later speech, which smooths the speech envelope and blurs quick consonant transitions. Children have developing auditory temporal processing and phoneme discrimination, so they struggle more with this overlap. A shorter RT keeps speech clearer and helps younger listeners separate sounds and understand what is being said. Adults, with more mature processing, can cope with some reverberation, but for young kids the ideal, intelligibility-optimizing RT is shorter.