一个用来计算双通道奇数频率转换并用于音频编码的快速算法

一个用来计算双通道奇数频率转换、并用于音频编码的快速算法W H I T EP A P E R A Fast Algorithm for Computing Two-By Neelima Singh Channel Odd-Frequency TransformsFairleigh DickinsonUniversity and ATC LabsAnibal J.S.FerreiraUniversity of Porto,Portugal and ATC Labs with Applicationto Audio CodingSummaryIntroductionThe Odd Discrete Fourier Transform Inmany applications one needs to compute a so-called Odd Frequency Discrete(ODFT)is used inmany modernaudioFourier Transform(ODFT)of a signal.For a sequence{x(n),n=0,...,N