Abstract
A coding method that includes: determining a core coding mode of a low-frequency signal of an input signal based on characteristics of the lowfrequency signal of the input signal; extracting a linear prediction coefficient (LPC) from the low-frequency signal of the input signal and quantizing the LPC; performing code excited linear prediction (CELP) coding on an LPC excitation signal of the low-frequency signal of the input signal when the core coding mode of the low-frequency signal of the input signal is determined to be a CELP coding mode; performing time-domain (TD) extension coding on a high-frequency signal of the input signal when the CELP coding is performed on the LPC excitation signal; performing audio coding on the LPC excitation signal when the core coding mode of the low-frequency signal of the input signal is determined to be an audio coding mode; and performing frequency-domain (FD) extension coding on the high-frequency signal of the input signal when the audio coding is performed on the LPC excitation signal.
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| 4G,3G | 09/07/2017 | ISLD-201707-008 | SAMSUNG | No | Family Member | ||||
| 4G,3G | 29/03/2020 | ISLD-202003-045 | SAMSUNG |
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