Frequency-band selection for signal feature-based speech processing strategy in cochlear implant(PDF)
《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]
- Issue:
- 2019年第12期
- Page:
- 1461-1465
- Research Field:
- 医学信号处理与医学仪器
- Publishing date:
Info
- Title:
- Frequency-band selection for signal feature-based speech processing strategy in cochlear implant
- Author(s):
- CHEN Yousheng; DU Jun
- School of Electronics and Communication Technology, Shenzhen Institute of Information Technology, Shenzhen 518000, China
- Keywords:
- Keywords: speech processing strategy; frequency-band selection; cochlear implant; signal feature; frequency spectrum
- PACS:
- R318；TH776
- DOI:
- DOI:10.3969/j.issn.1005-202X.2019.12.019
- Abstract:
- Abstract: Speech processing strategy, one of the key parts in cochlear implant, can extract signal parameters and transmit parameters to the inner electrode array through particular encodings and stimulating patterns. At present, different types of cochlear implants adopt different speech processing strategies, and the signal feature-based speech processing strategy is the most common method. Both parameter extraction and frequency-band selection of the signal feature-based speech processing strategy are based on the characteristics of the collected signals themselves, and the corresponding stimulating mode is different from continuous interleaved sampling stimulating mode. Based on the frequency-band selection modes and characteristics of signal feature-based speech processing strategy in cochlear implant, the effects of frequency-band selection on signals are discussed, and the analyses on basic parameters and signal changes are summarized. The research is helpful for developing and improving new algorithms for cochlear implant.
Last Update: 2019-12-26