Encoding a speech signal and a signal processing vocoded

摘要

A method of encoding frames of a speech signal, said method comprising: producing (T110) a first encoded frame that is based on a first frame of the speech signal ytenga a length of p bits, p being a positive integer other than zero; producing (T120) a second encoded frame that is based on a second frame of the speech signal ytenga a length of q bits, q being a positive integer other than zero and different from p; and producing (T130) a third encoded frame that is based on a third frame of the speech signal ytenga a length of r bits, r being a positive integer other than lower zero q, wherein the second frame is an idle frame after the first frame is displayed, wherein the third frame is an inactive frame that occurs after the second frame, wherein all frames of the speech signal between the first and frames third are inactive, and wherein the second encoded frame includes (a) a description of a spectral envelope in unaprimera frequency band, of a portion of the speech signal that includes the second frame and (B) unadescripción of a spectral envelope in a second frequency band primerabanda different from the frequency of a portion of the speech signal that includes the second frame.