FIELD: speech signal processing.
SUBSTANCE: invention is intended for generation of upper band signals. Device for signal processing includes memory and processor. Memory is configured to store a parameter associated with a bandwidth-extended audio stream. Processor is configured to select a plurality of nonlinear processing functions at least in part based on the parameter value. Processor is also configured to generate an upper band excitation signal based on a plurality of nonlinear processing functions.
EFFECT: technical result is higher efficiency of encoding.
15 cl, 27 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GENERATION OF UPPER BAND SIGNAL | 2016 |
|
RU2667460C1 |
| METHODS AND APPARATUS FOR SWITCHING CODING TECHNOLOGIES IN DEVICE | 2015 |
|
RU2667973C2 |
| SYSTEMS AND METHODS OF COMMUNICATING REDUNDANT FRAME INFORMATION | 2014 |
|
RU2673847C2 |
| AUDIO UPMIXING DEVICE WITH THE POSSIBILITY OF OPERATING IN THE MODE WITH/WITHOUT PREDICTION | 2020 |
|
RU2799737C2 |
| AUDIO UPMIX DEVICE CONFIGURED TO OPERATE IN PREDICTION MODE OR IN MODE WITHOUT PREDICTION | 2019 |
|
RU2717387C1 |
| BANDWIDTH EXTENSION FOR LOW-BAND AUDIO SIGNAL | 2010 |
|
RU2568278C2 |
| GENERATION OF HIGHBAND EXCITATION SIGNAL | 2015 |
|
RU2683632C2 |
| HARMONIC EXTENSION OF AUDIO SIGNAL BANDS | 2015 |
|
RU2651218C2 |
| MDCT-BASED COMPLEX PREDICTION STEREO CODING | 2011 |
|
RU2525431C2 |
| MDCT-BASED COMPLEX PREDICTION STEREO CODING | 2011 |
|
RU2559899C2 |
