Lee L, Chamberlain L G, Loudon R G, Stemple J C
Department of Communication, University of Cincinnati, OH 45221.
J Speech Hear Disord. 1988 May;53(2):186-93. doi: 10.1044/jshd.5302.186.
Speech segment durations of various lengths were measured to study the effect of asthma. Subjects produced 5 min of conversation and a monologue and counted at a rate of two numbers per second at two loudness levels. The number of syllables per breath was determined for all tasks. Average sound pressure level, individual segments such as voice onset time, word duration, pause time, and total duration of the activity were compared between groups for the counting tasks. Results revealed that asthmatic speakers met the sound level requirements of loud counting and generally produced speech segment durations similar to healthy subjects. Asthmatic subjects increased pause time between speech segments, produced fewer syllables per breath, and spent a larger percentage of time in nonspeech ventilatory activity than the healthy subjects, presumably to meet metabolic needs.
测量了不同长度的语音片段时长，以研究哮喘的影响。受试者进行了5分钟的对话和一段独白，并在两种响度水平下以每秒两个数字的速度计数。针对所有任务确定了每呼吸的音节数。在计数任务中，比较了两组之间的平均声压级、各个片段，如语音起始时间、单词时长、停顿时间以及活动的总时长。结果显示，哮喘患者达到了大声计数的声级要求，并且通常产生的语音片段时长与健康受试者相似。与健康受试者相比，哮喘患者增加了语音片段之间的停顿时间，每呼吸产生的音节更少，并且在非言语通气活动中花费的时间比例更大，推测这是为了满足代谢需求。
