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: 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。
• 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；
• 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。
• Study on Correlation of Distortion Product Otoacoustic Emissions and Pure Tone Audiometry
  畸变产物耳声发射幅值与纯音听阈相关性的研究
• 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；
• 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
• 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。
• 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
• Application of Evaluation Standards of Pure Tone Audiometry in Health Examination among River Sailors
  纯音听力测试结果评价标准在内河船员体检中的应用体会
• 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