Comparison of Frequency Transposition and Frequency Compression for People With Extensive Dead Regions in the Cochlea
نویسندگان
چکیده
منابع مشابه
Frequency compression/transposition of fricative consonants for the hearing impaired with high-frequency dead regions
In this paper we present the first evaluation results of a carefully designed piecewise linear frequency compression curve, to improve the recognition of fricative consonants, for patients with high-frequency dead regions in the cochlea. Our original frequency compression/transposition algorithm takes into account the average short-time spectrum of the most frequent Brazilian Portuguese fricati...
متن کاملQuality ratings of frequency-compressed speech by participants with extensive high-frequency dead regions in the cochlea
OBJECTIVE The objective was to assess the degradation of speech sound quality produced by frequency compression for listeners with extensive high-frequency dead regions (DRs). DESIGN Quality ratings were obtained using values of the starting frequency (Sf) of the frequency compression both below and above the estimated edge frequency, fe, of each DR. Thus, the value of Sf often fell below the...
متن کاملFrequency transposition around dead regions simulated with a noiseband vocoder.
In sensorineural hearing loss, damage to inner hair cells or the auditory nerve may result in dead regions in the cochlea, where the information transmission is disrupted. In cochlear implants, similar dead regions might appear if the spiral ganglia do not function. Shannon et al. [J. Assoc. Res. Otolaryngol. 3, 185-199 (2002)] simulated dead regions of varying size and location using a noiseba...
متن کاملDead Regions in the Cochlea: Implications for the Choice of High-Frequency Amplification
Cochlear hearing loss is sometimes associated with complete destruction of the inner hair cells (IHCs) within the cochlea (Schucknecht 1964, 1974; Engström 1983). For reviews, see Schucknecht (1974) and Borg, Canlon and Engström (1995). Sometimes the IHCs may still be present, but may be sufficiently abnormal that they no longer function. The IHCs are the transducers of the cochlea, responsible...
متن کاملthe relationship between efl learners linguistic and logical intelligence and the frequency and types of informal fallacies and evidence in argumentative writing
مطالعه حاضر با هدف بررسی وجود رابطه ی ممکن میان هوشهای زبانی و منطقی زبان آموزان انگلیسی و تعداد و انواع مغلطه های زبانی و شواهد در متنهای استدلالی آنان انجام پذیرفته است.بدین منظور، 70 زبان آموز با سطح زبانی متوسط به بالا از دو موسسه زبان انگلیسی در ایران انتخاب شده و پرسشنامه های مزبوطه را تکمیل نموده و متنی استدلالی نوشتند. متون نوشته شده مورد بررسی قرار گرفته و نمرات پرسشنامه ها محاسبه شده ...
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ژورنال
عنوان ژورنال: Trends in Hearing
سال: 2019
ISSN: 2331-2165,2331-2165
DOI: 10.1177/2331216518822206