# Whispered Speech Conversion Based on the Inversion of Mel Frequency Cepstral Coefficient Features
## 2 Whispered Speech Conversion Process
### Inversion of Speech Features
_IEEE Access_**2019**, \(7\), 130495-130504. [CrossRef]
* (12) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Reconstruction of whisper in Chinese by modified MELP. In Proceedings of the 2012 7 th International Conference on Computer Science & Education (ICCSE), Melbourne, VIC, Australia, 14-17 July 2012; pp. 349-353. * (13) [PERSON]; [PERSON]; [PERSON] Reconstruction of pitch for whisper-to-speech conversion of Chinese. In Proceedings of the 9 th International Symposium on Chinese Spoken Language Processing, Singapore, 12-14 September 2014; pp. 206-210. * (14) [PERSON]; [PERSON] Acoustic analysis of consonants in whispered speech. _J. Voice_**2008**, _22_, 263-274. [CrossRef] [PubMed]
* (15) [PERSON]; [PERSON] Glottal flow synthesis for whisper-to-speech conversion. _IEEE/ACM Trans. Audio Speech Lang. Process._**2020**, _28_, 889-900. [CrossRef]
* (16) [PERSON]; [PERSON]; [PERSON] Regeneration of Speech in Speech-Loss Patients. In Proceedings of the 13 th International Conference on Biomedical Engineering, Singapore, 12-14 September 2014; Springer: Berlin/Heidelberg, Germany, 2009; pp. 1065-1068. * (17) [PERSON]; [PERSON]; [PERSON] Study on the conversion of Chinese whispered speech into normal speech. _Audio Eng._**2005**, _12_, 44-47. * (18) [PERSON]; [PERSON]; [PERSON] Phonological segmentation of whispered speech based on the entropy function. _Acta Acustica_**2005**, \(1\), 69-75. * (19) [PERSON]; [PERSON]; [PERSON] Speech Conversion Based on Maximum-Likelihood Estimation of Spectral Parameter Trajectory. _Audio Speech Lang. Process. IEEE Trans._**2007**, _15_, 2222-2235. [CrossRef]
* (20) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] Fundamental frequency generation for whisper-to-audible speech conversion. In Proceedings of the 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy, 4-9 May 2014; pp. 2579-2583. * (21) [PERSON]; [PERSON] Speaker identification using instantaneous frequencies. _IEEE Trans. Audio Speech Lang. Process._**2008**, _16_, 1097-1111. [CrossRef]
* (22) [PERSON]; [PERSON]; [PERSON] [PERSON] Statistical voice conversion techniques for body-conducted unvoiced speech enhancement. _IEEE Trans. Audio Speech Lang. Process._**2012**, _20_, 2505-2517. [CrossRef]
* (23) [PERSON]; [PERSON]; [PERSON]; [PERSON] Whisper-to-speech conversion using restricted Boltzmann machine arrays. _Electron. Lett._**2014**, _50_, 1781-1782. [CrossRef]
* (24) [PERSON]; [PERSON]; [PERSON] F0 prediction from linear predictive cepstral coefficient. In Proceedings of the 2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP), Hefei, China, 23-25 October 2014; pp. 1-5. * (25) [PERSON]; [PERSON]; [PERSON] [PERSON] Low bit-rate speech coding through quantization of mel-frequency cepstral coefficients. _IEEE Trans. Audio Speech Lang. Process._**2011**, _20_, 610-619. [CrossRef]
* (26) [PERSON]; [PERSON]; [PERSON] Speech reconstruction for MFCC-based low bit-rate speech coding. In Proceedings of the 2014 IEEE International Conference on Multimedia and Expo Workshops (ICMEW), Chengdu, China, 14-18 July 2014; pp. 1-6. * (27) [PERSON]; [PERSON]; [PERSON]; [PERSON] Recognition of isolated words using Zernike and MFCC features for audio visual speech recognition. _Int. J. Speech Technol._**2015**, _18_, 167-175. [CrossRef]
* (28) [PERSON]; [PERSON]; [PERSON]; [PERSON] L1/ 2 regularization: A thresholding representation theory and a fast solver. _IEEE Trans. Neural Netw. Learn. Syst._**2012**, _23_, 1013-1027. [PubMed]
* (29) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Regularized non-negative matrix factorization for identifying differentially expressed genes and clustering samples: A survey. _IEEE/ACM Trans. Comput. Biol. Bioinform._**2017**, _15_, 974-987. [CrossRef] [PubMed]
* (30) [PERSON]; [PERSON]; [PERSON]; [PERSON] Recent developments in speech enhancement in the short-time Fourier transform domain. _IEEE Circuits Syst. Mag._**2016**, _16_, 45-77.