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In handsfree tele or video conferencing acoustic echoes arise due to the coupling between the loudspeaker and microphone. Usually an acoustic echo canceler (AEC) is used for eliminating the undesired echoes. The weaknesses of AEC are that it is relatively complex and that it is not robust against non-linearities occurring when using low-end components such… (More)
Introduction to BCC and parametric stereo For parametric stereo audio coding, it has been proposed to use level difference (ILD), time difference (ITD) and coherence (IC) cues between audio channels to represent the perceptual spatial features of stereo audio signals.