Patent
Coding and decoding scale factor information
Naveen Thumpudi,Wei-ge Chen,Chao He +2 more
- 15 Jul 2005
85
TL;DR: In this paper, techniques and tools for representing, coding, and decoding scale factor information are described, and a decoder uses one or more of flexible scale factor resolution selection, spatial prediction of scale factors, flexible prediction of scales factors, smoothing of noisy scale factor amplitudes, reordering of scale factor prediction residuals, and prediction of residuals.
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Abstract: Techniques and tools for representing, coding, and decoding scale factor information are described herein. For example, during encoding of scale factors, an encoder uses one or more of flexible scale factor resolution selection, spatial prediction of scale factors, flexible prediction of scale factors, smoothing of noisy scale factor amplitudes, reordering of scale factor prediction residuals, and prediction of scale factor prediction residuals. Or, during decoding, a decoder uses one or more of flexible scale factor resolution selection, spatial prediction of scale factors, flexible prediction of scale factors, reordering of scale factor prediction residuals, and prediction of scale factor prediction residuals.
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Citations
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Encoding device, decoding device, and method thereof
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TL;DR: The speech encoding apparatus (220) as mentioned in this paper has a first layer encoding section (2201), a first-layer decoding section (2202), a delay section(2203), a subtracting section (104), a frequency domain transforming section (101), a second-layer encoding section(105) and a multiplexing section(106).
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Seungkwon Beack,Jeongil Seo,Taejin Lee,Yong Ju Lee,Inseon Jang,Jae-Hyoun Yoo,Dae-Young Jang,Jin-Woo Hong,Jinwoong Kim,Kyeongok Kang +9 more
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TL;DR: In this article, an apparatus and method for coding and decoding a multi-object audio signal is presented, which includes a downmixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information.
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TL;DR: In this paper, the omitted spectral coefficients are divided into a number of sub-bands and the subbands are encoded as two parameters: a scale factor and a shape parameter, which represent the energy in the band and shape of the band, respectively.
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Toshiyuki Morii,Masahiro Oshikiri,Tomofumi Yamanashi +2 more
- 29 Feb 2008
TL;DR: In this article, a shape quantization unit is used to obtain a sound quality preferable for auditory sense even if the number of information bits is small, provided that an encoding device which can obtain sound quality preferred for the auditory sense is provided.
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