PATCHOO, W.; FISCHER, T. R. Rate Distortion Modeling of Spherical Vector Quantization Performance in Transform Audio Coding. ECTI Transactions on Electrical Engineering, Electronics, and Communications, [S. l.], v. 9, n. 1, p. 49–55, 2010. DOI: 10.37936/ecti-eec.201191.172265. Disponível em: https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/172265. Acesso em: 18 sep. 2026.