Fourier Transform Vector Quantization for Speech Coding
โ Scribed by Pao-Chi Chang; Gray, R.; May, J.
- Book ID
- 117913115
- Publisher
- IEEE
- Year
- 1987
- Tongue
- English
- Weight
- 1019 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0090-6778
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๐ SIMILAR VOLUMES
We address the problem of speech compression at very low rates, with the short-term spectrum compressed to less than 20 bits per frame. Current techniques apply structured vector quantization (VQ) to the short-term synthesis filter coefficients to achieve rates of the order of 24 to 26 bits per fram
A new fast algorithm is presented for the multidimensional discrete Fourier transform (DFT). This algorithm is derived using an interesting technique called "vector coding" (VC), and we call it the vector-coding fast Fourier transform (VC-FFT) algorithm. Since the VC-FFT is an extension of the Coole