For orthogonal discrete wavelet transform formula_3 is given by
f ɔ ɹ WORD_BOUNDARY ɔ ɹ θ ɑ ɡ ə n ə l WORD_BOUNDARY d ɪ s k ɹ iː t WORD_BOUNDARY w eɪ v l ɪ t WORD_BOUNDARY t ɹ æ n s f ɔ ɹ m WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY θ ɹ iː WORD_BOUNDARY ɪ z WORD_BOUNDARY ɡ ɪ v ə n WORD_BOUNDARY b aɪ WORD_BOUNDARY