FIELD: data processing.
SUBSTANCE: invention relates to encoding and decoding of audio signals. Decoding method involves receiving a wave-coded signal having a spectral composition corresponding to a subset of the frequency band above the transition frequency. Waveform encoded is interleaved with a parametric high-frequency reconstruction of the audio signal above the transition frequency, thus, an improved reconstruction of the high-frequency bands of the audio signal is achieved.
EFFECT: improved reconstruction of high-frequency bands of an audio signal.
20 cl, 9 dwg
Title | Year | Author | Number |
---|---|---|---|
AUDIO ENCODER AND DECODER FOR INTERLACE WAVEFORM ENCODING | 2014 |
|
RU2665228C1 |
AUDIO ENCODER AND DECODER FOR WAVE-FORM CODING WITH INTERLEAVING | 2019 |
|
RU2713701C1 |
AUDIO ENCODER AND DECODER FOR ENCODING ON INTERLEAVED WAVEFORM | 2014 |
|
RU2622872C2 |
AUDIO ENCODER AND DECODER FOR INTERLEAVED WAVEFORM CODING | 2020 |
|
RU2809586C2 |
AUDIO SIGNAL CODING AND DECODING DEVICE USING FREQUENCY-DOMAIN PROCESSOR, TIME-DOMAIN PROCESSOR AND CROSS-PROCESSOR FOR CONTINUOUS INITIALIZATION | 2015 |
|
RU2668397C2 |
AUDIO ENCODER AND DECODER USING FREQUENCY DOMAIN PROCESSOR WITH FULL-BAND GAP FILLING AND TIME DOMAIN PROCESSOR | 2015 |
|
RU2671997C2 |
STEREOPHONIC CODER AND DECODER OF AUDIO SIGNALS | 2014 |
|
RU2665214C1 |
STEREO ENCODER AND AUDIO SIGNAL DECODER | 2018 |
|
RU2690885C1 |
ENCODER, DECODER AND METHODS FOR BACKWARD COMPATIBLE SPATIAL ENCODING OF AUDIO OBJECTS WITH VARIABLE AUTHORIZATION | 2013 |
|
RU2669079C2 |
STEREO AUDIO CODER AND DECODER | 2019 |
|
RU2798009C2 |
Authors
Dates
2019-07-08—Published
2018-07-24—Filed