Long recovery-time automatic gain control can erase trailing consonant sounds

Evidence

The loudness-time functions that are available in loudness meters are sufficient to assess single-channel hearing aids with AGe. Figure 16.42 indicates total loudness as a function of time for the word “but”. The three parts indicate the loudness-time function for (a) the situation without a hearing aid, (b) with a hearing aid that includes AGe with a short recovery time and (c) with a hearing aid with a long recovery time AGe. It becomes clear that the “t” at the end of “but” is almost totally removed in condition (c). … For multi-channel hearing aids, the assess- Fig. — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 2010

Categorization

• QUESTION: The paragraph cuts off mid-sentence describing multi-channel aids — worth checking whether loudness-time functions are still sufficient there or whether a different measure is needed.