Contribution of frequency compressed temporal fine structure cues to the speech recognition in noise: An implication in cochlear implant signal processing

Poluboina, Venkateswarlu; Pulikala, Aparna; Pitchaimuthu, Arivudai Nambi

doi:10.1016/j.apacoust.2021.108616

Cited by 3 publications

(3 citation statements)

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“…In such a scenario, it is ideal to provide more cues to the auditory system to segregate target speech and noise like temporal fine structures. Hence, in one of our previous investigations [36], we have proposed how effectively TFS cues can be encoded to improve speech recognition in noise, so we recommend these MSE minimization methods for improving SNR in non-speech noise scenarios. However, for speech noise situations there is a need to investigate another method or provide more cues for segregating speech and noise.…”

Section: Discussionmentioning

confidence: 99%

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An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants

2023

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A cochlear implant (CI) is the most suitable option for individuals with severe profound hearing loss. CI restores the audibility to near perfection and offers good speech understanding in quiet. However, the speech perception in noise with CIs is less optimal as most speech coding strategies of CIs encode only the temporal envelope. Besides the current CI signal coding strategies lacks sophisticated pre-processing. In the current study, we proposed a novel pre-processing method to improve speech Intelligibility in noise and tested using the acoustic simulations of cochlear implants. The proposed noise reduction technique aims to minimize the mean square error (MSE) between the temporal envelopes of the enhanced speech and its clean speech. Therefore, the proposed method will be suitable for CI applications. This paper provides an analysis of the theoretical derivation of the noise suppression function and also the performance evaluation using objective and subjective tests. The effectiveness of the proposed method was objectively evaluated using the SRMR-CI and ESTOI. Additionally, speech recognition through the acoustic simulations of the cochlear implant was done for the subjective evaluation. Performance of the proposed method was compared with the Weiner filter (WF) and sigmoidal functions. The sinewave vocoder was used to simulate the cochlear implant perception. Both objective and subjective scores revealed that the performance of the proposed technique is superior to the WF and sigmoidal function.

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Section: Discussionmentioning

confidence: 99%

“…2. The frequency range of the channels was selected using a gamma-tone filter bank with a range of 80 to 7562 Hz [35], [36]. To estimate the performance of the PM, we conducted both perceptual and acoustic evaluations for speech in noise.…”

Section: Processing Stepsmentioning

confidence: 99%

An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants

2023

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“…As Mr. Wang Li mentioned in his History of Japanese Grammar: "In ancient Japanese, demonstrative pronouns and personal pronouns were closely related", and at the same time, he believed that "its" and "the" were probably used as demonstrative pronouns first and then developed into personal pronouns. In addition, some scholars believe that Japanese third-person pronouns come from demonstrative pronouns [4][5].…”

Section: Analysis Of Historical Linguisticsmentioning

confidence: 99%

The Application of Intelligent Speech Recognition Technology in the Comparison between Japanese and Manchu-Tungus Language

Duan,

Wang

2023

Proceedings of the 4th International Conference on Modern Education and Information Management, ICMEIM 2023, September 8–10, 20

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In order to understand the application of comparison between Japanese and Manchu-Tungus language, the application research of an intelligent speech recognition technology in comparison between Japanese and Manchu-Tungus language is put forward. In this paper, the development of intelligent speech recognition technology is briefly introduced, and the concept of intelligent speech interaction is introduced. Secondly, the comparison between Japanese and Manchu-Tungus language is described. It can be seen that the homology of third person pronouns and demonstrative pronouns is universal to some extent. It is not only a feature of Japanese and Manchu-Tungus language, but also a common form in Japanese dialects. Finally, the intelligent speech recognition system and its application analysis are summarized. When the voice information of the detected individual changes greatly with the change of the external environment, the system can identify the voice-related information in the shortest time, and identify the maximum probability of the state transition of the voice information. Then use the relevant sample content of the database to make a deeper analysis and judgment on the voice model of the detected person.

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Research on Four Acoustic Tube Signal Acquisition Based on Dual-Microphone Mode and Parameter Feature for Cochlear Implant

Chen¹

2023

Wireless Pers Commun

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Contribution of frequency compressed temporal fine structure cues to the speech recognition in noise: An implication in cochlear implant signal processing

Cited by 3 publications

References 18 publications

An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants

An Improved Noise Reduction Technique for Enhancing the Intelligibility of Sinewave Vocoded Speech: Implication in Cochlear Implants

The Application of Intelligent Speech Recognition Technology in the Comparison between Japanese and Manchu-Tungus Language

Research on Four Acoustic Tube Signal Acquisition Based on Dual-Microphone Mode and Parameter Feature for Cochlear Implant

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