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In this paper we report on a study of a technique for 32-band subband/transform coding at 16 kb/s. This approach occupies the middle range of algorithm complexities and frequency resolution between that of Sub-Band Coding (SBC) and Adaptive Transform Coding (ATC). Two designs for 16 kb/s 32-band coders have been simulated on a laboratory computer. The results of informal listening tests indicate that the new designs offer performance comparable to existing ATC techniques while having complexities roughly three times that of existing 4 and 5 band sub-band coders.
Heron et al. (Thu,) studied this question.