CODING/DECODING METHOD, SYSTEM AND APPARATUS
First Claim
1. An encoding method, comprising:
- extracting core layer characteristic parameters and enhancement layer characteristic parameters of a background noise signal; and
encoding the core layer characteristic parameters and enhancement layer characteristic parameters to obtain a core layer codestream and an enhancement layer codestream.
1 Assignment
0 Petitions
Accused Products
Abstract
An encoding method includes: extracting core layer characteristic parameters and enhancement layer characteristic parameters of a background noise signal, encoding the core layer characteristic parameters and enhancement layer characteristic parameters to obtain a core layer codestream and an enhancement layer codestream. The disclosure also provides an encoding device, a decoding device and method, an encapsulating method, a reconstructing method, an encoding-decoding system and an encoding-decoding method. By describing the background noise signal with the enhancement layer characteristic parameters, the background noise signal can be processed by using more accurate encoding and decoding method, so as to improve the quality of encoding and decoding the background noise signal.
-
Citations
18 Claims
-
1. An encoding method, comprising:
-
extracting core layer characteristic parameters and enhancement layer characteristic parameters of a background noise signal; and encoding the core layer characteristic parameters and enhancement layer characteristic parameters to obtain a core layer codestream and an enhancement layer codestream. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A decoding method, comprising:
-
extracting a core layer codestream and an enhancement layer codestream from a Silence Insertion Descriptor (SID) frame; parsing core layer characteristic parameters from the core layer codestream; parsing enhancement layer characteristic parameters from the enhancement layer codestream; and decoding the core layer characteristic parameters and enhancement layer characteristic parameters to obtain a reconstructed core layer background noise signal and a reconstructed enhancement layer background noise signal. - View Dependent Claims (9, 10, 11)
-
-
12. An encoding device, comprising:
-
a core layer characteristic parameter encoding unit, configured to extract core layer characteristic parameters from a background noise signal, and to transmit the core layer characteristic parameters to an encoding unit; an enhancement layer characteristic parameter encoding unit, configured to extract enhancement layer characteristic parameters from the background noise signal, and to transmit the enhancement layer characteristic parameters to the encoding unit; and the encoding unit, configured to encode the received core layer characteristic parameters and enhancement layer characteristic parameters to obtain a core layer codestream and an enhancement layer codestream. - View Dependent Claims (13, 14)
-
-
15. A decoding device, comprising:
-
a SID frame parsing unit, configured to receive a SID frame of a background noise signal, to extract a core layer codestream and an enhancement layer codestream;
to transmit the core layer codestream to a core layer characteristic parameter decoding unit; and
to transmit the enhancement layer codestream to an enhancement layer characteristic parameter decoding unit;the core layer characteristic parameter decoding unit, configured to extract core layer characteristic parameters from the core layer codestream and to decode the core layer characteristic parameters to obtain a reconstructed core layer background noise signal; and the enhancement layer characteristic parameter decoding unit, configured to extract enhancement layer characteristic parameters from the enhancement layer codestream and to decode the enhancement layer characteristic parameters to obtain a reconstructed enhancement layer background noise signal. - View Dependent Claims (16, 17, 18)
-
Specification