Some experiments of 7 kHz audio coding at 16 kbit/s. - Rosario Drogo de Jacovo; Roberto Montagna; Franco Perosino; Daniele Sereno (ICASSP, 1989)

Vector quantization and perceptual criteria in SVD based CELP coders. - Rosario Drogo de Iacovo; Roberto Montagna; Daniele Sereno (ICASSP, 1990)

Embedded CELP coding for variable bit-rate between 6.4 and 9.6 kbit/s. - Rosario Drogo de Iacovo; Daniele Sereno (ICASSP, 1991)

Some experiments in perceptual masking of quantizing noise in analysis-by-synthesis speech coders. - Rosario Drogo de Iacovo; Roberto Montagna (EUROSPEECH, 1991)