Determining Frequency Importance Function for Speech Intelligibility of Persian Monosyllabic Words and the List of Quick Speech in Noise in Persian Language

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TAGHAVI SEYYED MOHAMMAD REZA; MOHAMMADKHANI GHASSEM; ROUHBAKHSH NEMATOLLAH; TAGHAVI SEYED ALI MOHAMMAD; JALILVAND HAMID; Fatahi Farzaneh

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Journal: Auditory and Vestibular Research Journal Year:2023 | Volume:32 | Issue:4 Page(s): 261-271

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Title

Determining Frequency Importance Function for Speech Intelligibility of Persian Monosyllabic Words and the List of Quick Speech in Noise in Persian Language

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Keywords

Frequency importance function

speech intelligibility index

monosyllabic word

quick speech in noise list

Persian language

Abstract

Background and Aim: The Frequency importance function (FIF) is the main component of the speech intelligibility index (SII) for a certain language. The FIF indicates the relative importance of each frequency band as it contributes to speech intelligibility. This study was conducted to determine the FIF for the Persian monosyllabic words and the list of Quick Speech in Noise (QSIN) in Persian language. Methods: In this exploration study, 34 monolingual Persian-speaking subjects aged 25–, 40 years with normal hearing (17 males) were included. The FIF was evaluated for 100 monosyllabic words and 30 sentences of Persian QSIN under 180 different auditory conditions. The speech recognition scores were calculated and crossover frequencies were determined. Then, the relative transfer function was extracted and FIFs were calculated. Results: The findings showed that for monosyllabic word material, the FIF had three peaks at 178, 1787, and 4467 Hz and for Persian QSIN, the FIF had an initial peak at about 141 Hz followed by a peak at about 1800 Hz. According to the results, the frequency range 891–, 8913 Hz is very important for recognition of the Persian words. Moreover, the mean crossover frequencies for the Persian sentences was 1446 Hz. Conclusion: For monosyllabic word material in the Persian language, the FIF at 708–, 1778 Hz is very important for recognition of the Persian monosyllabic words. For sentence material in the Persian language, the FIF at 708–, 4467 Hz has the highest importance for recognition of Persian sentences.

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References

Speech Intelligibility Index: A Literature Review (Review Article)

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APA: Copy

TAGHAVI, SEYYED MOHAMMAD REZA, MOHAMMADKHANI, GHASSEM, ROUHBAKHSH, NEMATOLLAH, TAGHAVI, SEYED ALI MOHAMMAD, JALILVAND, HAMID, & Fatahi, Farzaneh. (2023). Determining Frequency Importance Function for Speech Intelligibility of Persian Monosyllabic Words and the List of Quick Speech in Noise in Persian Language. AUDITORY AND VESTIBULAR RESEARCH, 32(4), 261-271. SID. https://sid.ir/paper/1134294/en

Vancouver: Copy

TAGHAVI SEYYED MOHAMMAD REZA, MOHAMMADKHANI GHASSEM, ROUHBAKHSH NEMATOLLAH, TAGHAVI SEYED ALI MOHAMMAD, JALILVAND HAMID, Fatahi Farzaneh. Determining Frequency Importance Function for Speech Intelligibility of Persian Monosyllabic Words and the List of Quick Speech in Noise in Persian Language. AUDITORY AND VESTIBULAR RESEARCH[Internet]. 2023;32(4):261-271. Available from: https://sid.ir/paper/1134294/en

IEEE: Copy

SEYYED MOHAMMAD REZA TAGHAVI, GHASSEM MOHAMMADKHANI, NEMATOLLAH ROUHBAKHSH, SEYED ALI MOHAMMAD TAGHAVI, HAMID JALILVAND, and Farzaneh Fatahi, “Determining Frequency Importance Function for Speech Intelligibility of Persian Monosyllabic Words and the List of Quick Speech in Noise in Persian Language,” AUDITORY AND VESTIBULAR RESEARCH, vol. 32, no. 4, pp. 261–271, 2023, [Online]. Available: https://sid.ir/paper/1134294/en

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