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

• 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。
• Objective: To analyse the relationship of distortion product otoacoustic emissions ( DPOAE), conventional pure tone audiometry and expanded high frequency audiometry, and discuss the originated mechanism of DPOAE and value in early diagnosis and detection noise induced deafness.
  目的：分析畸变产物耳声发射（DPOAE）和常频纯音测听、扩展高频测听的关系，借以探讨DPOAE的产生机制以及在噪声性听力损伤的监测和早期诊断中的应用价值。
• Result: All these cases had following contradictory phenomena: Pure tone audiograms were low frequency hearing loss;
  结果：本组病例具有下列矛盾现象：主诉进行性听力减退，尤其听不清语言；
• 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；
• When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
  音叉被敲击时，产生几乎纯质的音调，其音量经久不衰。
• 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。
• 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
• 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
• Methods: A total of112 cleft palate patients ( 224 ears) were investigated by pure tone audiometry, acoustic immiscible audiometry and auditory brainstem response.
  方法：对112例（224耳）腭裂患者进行年龄分组，采用声导抗、纯音测听或听性脑干反应检查。
• 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