Title :
Digital coding of high quality audio
Author :
Seitzer, D. ; Sporer, Th ; Brandenburg, K.H. ; Gerhauser, H. ; Grill, B. ; Herre, J.
Author_Institution :
Lehrstuhl fur Tech, Elektron., Erlangen Univ., Germany
Abstract :
Based on frequency-domain techniques, coding of high-quality audio with bit rates down to 64 kbit/s is possible. This performance is achieved using perceptual coding. Transform coding can be used to get the best performance at very low bit rates. Real-time implementations of several types of low bit rate codecs have been developed. Standardization of low bit rate audio coding systems is under way in ISO/IEC JTC1/SC2/WG11 (MPEG/Audio)
Keywords :
audio signals; audio systems; codecs; encoding; standardisation; 64 kbit/s; Moving Pictures Experts Group; digital coding; frequency-domain techniques; high quality audio; low bit rate codecs; perceptual coding; performance; real time implementations; standardization; transform coding; Acoustic noise; Audio coding; Bit rate; Digital audio broadcasting; IEC standards; ISO standards; Integrated circuit modeling; Masking threshold; Noise shaping; Signal to noise ratio;
Conference_Titel :
CompEuro '91. Advanced Computer Technology, Reliable Systems and Applications. 5th Annual European Computer Conference. Proceedings.
Conference_Location :
Bologna
Print_ISBN :
0-8186-2141-9
DOI :
10.1109/CMPEUR.1991.257373
