Investigations into Informed Phase Restoration of Amplitude Spectra for Audio Signals

Transform coding has been extensively used for audio and speech compression applications during the past decades. A widely used transform is the real-valued Modified Discrete Cosine Transform (MDCT), which is employed in several state-of-the-art codecs such as the MPEG-1 Layer III (aka mp3) and AAC. An extension to this transform is the...