Recent research has found that while speaking, subjects react to perturbations in pitch of voice auditory feedback by changing their voice fundamental frequency (F0) to compensate for the perceived pitch-shift. The long response latencies (150–200 ms) suggest they may be too slow to assist in on-line control of the local pitch contour patterns associated with lexical tones on a syllable-to-syllable basis. In the present study, we introduced pitch-shifted auditory feedback to native speakers of Mandarin Chinese while they produced disyllabic sequences /ma ma/ with different tonal combinations at a natural speaking rate. Voice F0 response latencies (100–150 ms) to the pitch perturbations were shorter than syllable durations reported elsewhere. Response magnitudes increased from 50 cents during static tone to 85 cents during dynamic tone productions. Response latencies and peak times decreased in phrases involving a dynamic change in F0. The larger response magnitudes and shorter latency and peak times in tasks requiring accurate, dynamic control of F0, indicate this automatic system for regulation of voice F0 may be task-dependent. These findings suggest that auditory feedback may be used to help regulate voice F0 during production of bi-tonal Mandarin phrases.
展开▼
机译：最近的研究发现，说话时，对象会通过改变其语音基本频率（F0）来补偿感知到的音调偏移，从而对语音听觉反馈的音调产生干扰。较长的响应延迟（150-200 ms）表明它们可能太慢，以至于无法在音节到音节的基础上帮助在线控制与词汇音调相关的局部音高轮廓模式。在本研究中，我们向讲普通话的母语人士介绍了音调变化的听觉反馈，同时他们以自然语速产生双音节序列/ ma ma /和不同的音调组合。音调扰动的语音F0响应等待时间（100-150 ms）比其他地方报告的音节持续时间短。响应幅度从静态音调时的50美分增加到动态音调制作时的85美分。涉及F0动态变化的短语中的响应延迟和峰值时间减少。在需要精确，动态控制F0的任务中，较大的响应幅度，较短的等待时间和峰值时间表明，这种用于语音F0调节的自动系统可能与任务有关。这些发现表明，听觉反馈可用于在产生双音普通话的过程中帮助调节语音F0。
展开▼
