The present invention describes a novel methodology for adjusting a bandwidth extension
algorithm by adapting one or more of enhancing perception parameters (eg, a signal level, a …

(57) ABSTRACT A method for decoding an audio signal includes: obtaining a lower-band
signal component of an audio signal correspond ing to a received code stream when the …

In one embodiment, a method of signal processing including includes encoding a low-
frequency portion of a speech signal into at least an encoded narrowband excitation signal …

4,630,305 4,696,041 4,747,143 4,805, 193 4,862,168 5,119,424 5,285,520 5,455,888
5,684.920 5,694,426 5,699.477 5,704,003 5,706.395 5,727,085 5,797,118 5,966,689 …

Col Ccos ((i.-f) extended-band frequency range). The shape parameters can be determined
on a per-audio-block basis. Restricting a dis placement to an even number (in frequency …

BACKGROUND CELP is a very popular technology which is used to encode a speech
signal by using specific human Voice characteristics or a human vocal voice production …

US8140324B2 - Systems, methods, and apparatus for gain coding - Google Patents
US8140324B2 - Systems, methods, and apparatus for gain coding - Google Patents Systems …

the prediction parameters, and determining possible best indices of the prediction
parameters, where determining includes minimizing a prediction error between a reference …

4,251,688 A 2f1981 Furner 5,079,547 A 1/1992 Fuchigama et al. 5,260,980 A 11/1993
Akagiri et al. 5,388,181 A 2f1995 Anderson et al. 5,455,888 A 10/1995 Iyengar et al …

First worldwide family litigation filed litigation Critical https://patents. darts-ip. com/? family=
36588741&utm_source= google_patent&utm_medium= platform_link&utm_campaign …