pure tone

英 [pjʊə(r) təʊn]

美 [pjʊr toʊn]

网络  純音; 纯音; 声信号有纯音

医学

英英释义

noun

• a steady sound without overtones
  1. they tested his hearing with pure tones of different frequencies
  Synonym:tone

双语例句

• Methods: Fourteen patients ( 28 ears) with auditory neuropathy were evaluated who accepted pure tone test, acoustic immittance, auditory brainstem response ( ABR), distortion product otoacoustic emission ( DPOAE) and speech discrimination score.
  方法：对14例（28耳）听神经病患者进行纯音测听、声导抗、听性脑干反应（ABR）和畸变产物耳声发射（DPOAE）、言语识别率检查。
• Effects of LSD on pure tone delayed avoidance response in monkeys
  麦角酰胺对于猕猴纯音延缓防御反应的影响
• Acoustics Audiometric test methods Part 2: Sound field audiometry with pure tone and narrow-band test signals
  GB/T16296-1996声学测听方法第2部分：用纯音及窄带测试信号的声场测听
• Influencing Factor and Countermeasure of Pure Tone Audiometry
  影响纯音听阈测定的因素和对策
• This model can also be used to abstract the fundamental frequency of speech and to measure the frequency of pure tone precisely.
  这一模型也可用于语音信号的基频提取和纯音频率的精密测量。
• Conclusion Pure tone test, hearing aid evaluation and further consultation with a doctor are major factors, which affects the hearing aid effect on deaf children;
  结论：纯音测听和助听评估及复诊是影响聋儿助听效果的主要因素；
• Methods To check on objective acoustic impedance and subjective pure tone audiometry.
  方法对外伤性聋进行客观声导抗测试和主观纯音测试。
• The hearing status in each frequency had good relation between the pure tone audiogram and DPOAE audiogram.
  DPOAE听力图与纯音听力图个各在频率均有很好的对应关系。
• Analysis of evoked otoacoustic emission in normal pure tone hearing thresholds patients with aural fullness
  纯音听阈正常的耳闷患者诱发性耳声发射分析
• The system can issue a pure tone, tone twitter, narrowband noise and natural sound of the voice signal, and can adjust the loudness and frequency of the signals with some accuracy.
  该系统能发出纯音、啭音、窄带噪声和自然声等声音信号，并可对信号进行一定精度的响度和频率调节。