ETSI EG 202 396-1-2006 Speech Processing, Transmission and Quality Aspects (STQ); Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database V1.1.2; Includes Diskette
2011ETSI EG 202 396-1-2011 Speech and multimedia Transmission Quality (STQ); Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database V1.2.4
2008ETSI EG 202 396-1-2008 Speech Processing, Transmission and Quality Aspects (STQ); Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database V1.2.2
2006ETSI EG 202 396-1-2006 Speech Processing, Transmission and Quality Aspects (STQ); Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database V1.1.2; Includes Diskette
2005ETSI EG 202 396-1-2005 Speech Processing, Transmission and Quality Aspects (STQ); Speech quality performance in the presence of background noise; Part 1: Background noise simulation technique and background noise database V1.1.1; Includes Diskette