Trained/Tested on

PCM/GSM-FR

PCM/G.723.1

GSM-FR/PCM

G.723.1/PCM

i-vector

Spec.

76.5%

92.9%

87.1%

81.2%

Sen.

97.6%

88.2%

88.2%

92.9%

Prec.

80.6%

92.6%

87.2%

83.2%

Acc.

87.1%

90.6%

87.6%

87.1%

F1

88.3%

90.4%

87.7%

87.8%

x-vector

Spec.

89.4%

84.7%

76.5%

78.8%

Sen.

72.9%

71.8%

81.2%

70.6%

Prec.

87.3%

82.4%

77.5%

76.9%

Acc.

81.2%

78.2%

78.8%

74.7%

F1

79.5%

76.7%

79.3%

73.6%

LSTM

Spec.

77.9%

70.4%

84.8%

87.1%

Sen.

85.3%

92.7%

80.2%

76.0%

Prec.

75.3%

60.0%

85.9%

89.4%

Acc.

81.2%

77.6%

82.4%

80.6%

F1

80.0%

72.9%

83.0%

82.2%

SVM-linear

Spec.

75.3%

87.1%

80.0%

55.3%

Sen.

85.9%

74.1%

91.8%

96.5%

Prec.

77.7%

85.1%

82.1%

68.3%

Acc.

80.6%

80.6%

85.9%

75.9%

F1

81.6%

79.2%

86.7%

80.0%

SVM-rbf

Spec.

91.8%

91.8%

80.0%

69.4%

Sen.

83.5%

76.5%

92.9%

94.1%

Prec.

91.0%

90.3%

82.3%

75.5%

Acc.

87.6%

84.1%

86.5%

81.8%

F1

87.1%

82.8%

87.3%

83.8%