QI Leiyu,HE Peiyu,CHEN Jiemei,et al.A Soothing Tinnitus Rehabilitation Sound with Personalized Frequency Band[J].Journal of Chengdu University of Information Technology,2021,36(03):275-279.[doi:10.16836/j.cnki.jcuit.2021.03.006]
一种具有个性化频段的舒缓耳鸣康复音数字合成新方法
- Title:
- A Soothing Tinnitus Rehabilitation Sound with Personalized Frequency Band
- 文章编号:
- 2096-1618(2021)03-0275-05
- Keywords:
- linear proportion overlap-adding algorithm; audio concatenation; IFS; rehabilitation sound
- 分类号:
- TN912.3
- 文献标志码:
- A
- 摘要:
- 耳鸣是临床上一种没有外界声源刺激产生的主观听觉感知。研究表明相似不重复的分形音或是与耳鸣相近频段的声音能治疗或缓解耳鸣。现有合成的耳鸣音乐存在频率单一和试听效果差等问题,因此提出一种既有舒缓的分形音乐又有特定频段自然音的个性化耳鸣康复音的数字合成新方法。该方法首先基于迭代函数系统算法(iterative function system,IFS)、调内音符、和弦伴奏生成音乐的第一、二音轨,再基于迭代函数系统算法、线性比例重叠相加法、含有特定频段的自然音片段生成音乐的第三音轨。实验结果表明,此方法合成的音乐符合分形音乐的基本特征,试听效果舒缓,在模拟耳鸣模型中也能对同频段的耳鸣声起到抑制作用,对耳鸣治疗具有一定的参考价值。
- Abstract:
- Tinnitus is a subjective auditory perception without external source of sound in clinical. Researches show that fractal sounds which are similar but unrepeated or sounds which are similar to the frequency of tinnitus can therapy or relieve tinnitus. The current synthetic tinnitus music has the matter of single frequency and poor audition effect, so a new digital synthesis method of personalized tinnitus rehabilitation sound which has both soothing fractal music and specific frequency natural sound is proposed. This method is based on iterative function system algorithm(iterative function system,IFS),key notes,chord accompaniment to generate the first and second tracks of music,and then it is based on iterative function system algorithm,linear proportional overlap and addition,the natural sound segment containing specific frequency bands generates a third soundtrack of music. The results show that the sound synthesized by this method is consistent with the basic features of fractal sound and the audition effect is soothing. In the simulation tinnitus model,it can also inhibit the tinnitus of corresponding frequency, which may have reference value for tinnitus treatment.
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备注/Memo
收稿日期:2020-12-15
基金项目:四川省科技支撑资助项目(2011SZ0123、2013GZ1043)