Storaging or transmission of speech signals at very low bit rate is a hot area in the field of speech processing. We used stochastic inter-frame interpolators and vector quantization (VQ) as a new method for developing a high quality 1200 BPS speech vocoder. The objective and subjecgtive test results show that performance of the new vocoder is compairable with 4800 BPS standard vocoders (as CELP).
A. Sayadian, . (1998). Using FFI Interpolator and VQ Quantization for Designing of High Quality 1200 BPS Speech Vocoder. Journal of Computational Methods in Engineering, 17(2), 21-27.
MLA
A. Sayadian, . "Using FFI Interpolator and VQ Quantization for Designing of High Quality 1200 BPS Speech Vocoder", Journal of Computational Methods in Engineering, 17, 2, 1998, 21-27.
HARVARD
A. Sayadian . (1998). 'Using FFI Interpolator and VQ Quantization for Designing of High Quality 1200 BPS Speech Vocoder', Journal of Computational Methods in Engineering, 17(2), pp. 21-27.
CHICAGO
A. Sayadian, "Using FFI Interpolator and VQ Quantization for Designing of High Quality 1200 BPS Speech Vocoder," Journal of Computational Methods in Engineering, 17 2 (1998): 21-27,
VANCOUVER
A. Sayadian . Using FFI Interpolator and VQ Quantization for Designing of High Quality 1200 BPS Speech Vocoder. J Comput Methods Eng. 1998;17(2):21-27 (In Persian).