Patent ID: 11922958
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The apparatus according to claim 6, wherein, when the encoding parameter comprises the encoding rate, the channel number, and the manner, one of the following relationships is satisfied:
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal by quantizing the original line spectral frequency parameter of the to-be-encoded signal, and the encoding rate is less than or equal to 14 kilobits per second, the parameter value is 0.21;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal by quantizing the original line spectral frequency parameter of the to-be-encoded signal, and the encoding rate is equal to 18 kilobits per second, the parameter value is 0.20;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal by quantizing the original line spectral frequency parameter of the to-be-encoded signal, and the encoding rate is equal to 22 kilobits per second, the parameter value is 0.15;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal by quantizing the original line spectral frequency parameter of the to-be-encoded signal, and the encoding rate is equal to 26 kilobits per second, the parameter value is 0.18;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal by quantizing the original line spectral frequency parameter of the to-be-encoded signal, and the encoding rate is greater than or equal to 34 kilobits per second, the parameter value is 0.20;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal through prediction, and the encoding rate is less than or equal to 14 kilobits per second, the parameter value is 0.25;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal through prediction, and the encoding rate is equal to 18 kilobits per second, the parameter value is 0.22;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal through prediction, and the encoding rate is equal to 22 kilobits per second, the parameter value is 0.16;
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal through prediction, and the encoding rate is equal to 26 kilobits per second, the parameter value is 0.16; or
when the channel number indicates that the to-be-encoded signal is a primary channel signal, the manner of obtaining the target line spectral frequency parameter is obtaining the target line spectral frequency parameter of the to-be-encoded signal through prediction, and the encoding rate is greater than or equal to 34 kilobits per second, the parameter value is 0.17.