Patent ID: 8626518

Claim:
A multi-channel signal encoding method, comprising: determining, by an encoding end, a sum of channel level differences (CLDs) of a current frame of a multi-channel signal in a certain frequency band area, wherein the encoding end comprises at least a processor; determining, by the encoding end, an average value of sums of channel level differences of at least two frames before the current frame in the certain frequency band area; according to the sum of the channel level differences of the current frame of the multi-channel signal in the certain frequency band area, the average value of the sums of the channel level differences of the at least two frames before the current frame in the certain frequency band area, and a preset threshold, judging, by the encoding end, whether the channel level differences of the current frame are in a transient state or a non-transient state, and obtaining a judgment result; and according to the judgment result, performing, by the encoding end, quantization processing on the channel level differences of the current frame of the multi-channel signal.