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。
• All physical examinations, pure tone audiometry, electrocardiogram, and cervical spine X-ray showed normal, except high blood pressure.
  除了血压高外，所有理学检查、纯音听力检查、心电图及颈椎X光均为正常。
• 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
• All participants had a questionnaire answered about tinnitus, pure tone audiometry test and ear examination.
  对调查者进行耳鸣问卷、纯音测听和耳科检查，并做出评估。
• 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
• 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。
• 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
• The correlation between the thresholds acquired with ASSR and pure tone audiometry
  多频稳态诱发电位与纯音听阈的相关性研究
• 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。
• 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。