A sine wave represented by a plurality of (12) at least part of an audio signal encoding (1) an audio signal (x (t)) of the method, the method comprising the steps of: performing a first analysis of the audio signal segment; select a candidate based on the sinusoidal wave analysis; ...
(x (Δ t)) is by indicating (12) at least partly audio signal by multiple sine waves for a kind of coding (1) audio signal, this method include on the first segment for performing an analysis, the audio signal, candidate sinusoid is selected based on the analysis, determine the consiste...
determine the consistency of the phase at least one candidate sinusoid, the candidate sinusoid by carrying out a degree of phase can be determined the candidate sinusoid at another moment at the time of certain by phase, select the candidate sinusoid as the phase of selected sinusoidal signal, ...
sinusoid's frequency, combining amplitudes of frequency components within said local frequency band from which at least one of the candidate sinusoids within said local frequency band is excluded, and selecting said candidate sinusoid as a selected sinusoid in dependence on the combination of amplitudes...
DEN BRINKERAlbertusUSUS20070112573 * Nov 20, 2003 May 17, 2007 Koninklijke Philips Electronics N.V. Sinusoid selection in audio encodingUS20070112573 * 2003年11月20日 2007年5月17日 Koninklijke Philips Electronics N.V. Sinusoid selection in audio encoding...
An encoding method, an encoding apparatus, a decoding method and a decoding apparatus are provided to encode a sine wave signal smaller than a masking value efficiently and decode the encoded sine wave signal. A second sine wave signal and a third sine wave signal are determined. The second ...
frame, by performing sinusoidal tracking on the extracted sinusoidal signal of the current frame, and encoding the determined continuation sinusoidal signal information by using different Huffman tables according to index information of the current frame, thereby allowing efficient encoding with a low ...
frame, by performing sinusoidal tracking on the extracted sinusoidal signal of the current frame, and encoding the determined continuation sinusoidal signal information by using different Huffman tables according to index information of the current frame, thereby allowing efficient encoding with a low ...
An audio encoding method and apparatus, and an audio decoding method and apparatus, for processing a death sinusoid and a general continuation sinusoid. Using the unique characteristic of a death sinusoid, in that the death sinusoid has a tendency such that an amplitude component...
frame, by performing sinusoidal tracking on the extracted sinusoidal signal of the current frame, and encoding the determined continuation sinusoidal signal information by using different Huffman tables according to index information of the current frame, thereby allowing efficient encoding with a low ...