TY - CONF AU - Bartkowiak Maciej JO - 15th European Signal Processing Conference EUSIPCO 2007 TI - Low bit rate coding of sparse audio spectra using frequency shift and interleaved MDCT T2 - 15th European Signal Processing Conference EUSIPCO 2007 PY - 2007 Y1 - September 3-7 2007 JA - 15th European Signal Processing Conference EUSIPCO 2007 DO - ER -