Robustness spectral tilt

Overall scores

	CNN14	w2v2-b	hubert-b	axlstm
Overall Score	12.5% passed tests (1 passed / 7 failed).	75.0% passed tests (6 passed / 2 failed).	100.0% passed tests (8 passed / 0 failed).	62.5% passed tests (5 passed / 3 failed).

Change Ccc Downward Tilt

Threshold: -0.05

Data	Change CCC Downward Tilt
	CNN14	w2v2-b	hubert-b	axlstm
iemocap-2.3.0-emotion.dimensions.test.gold_standard	-0.06	-0.00	-0.00	-0.01
msppodcast-2.6.1-emotion.dimensions.test-1.gold_standard	-0.06	-0.01	-0.00	-0.02
mean	-0.06	-0.01	0.00	-0.01

Change Ccc Upward Tilt

Threshold: -0.05

Data	Change CCC Upward Tilt
	CNN14	w2v2-b	hubert-b	axlstm
iemocap-2.3.0-emotion.dimensions.test.gold_standard	0.03	-0.01	-0.00	0.03
msppodcast-2.6.1-emotion.dimensions.test-1.gold_standard	-0.08	-0.01	-0.01	0.01
mean	-0.03	-0.01	-0.01	0.02

Percentage Unchanged Predictions Downward Tilt

Threshold: 0.8

Data	Percentage Unchanged Predictions Downward Tilt
	CNN14	w2v2-b	hubert-b	axlstm
iemocap-2.3.0-emotion.dimensions.test.gold_standard	0.56	0.95	0.95	0.83
msppodcast-2.6.1-emotion.dimensions.test-1.gold_standard	0.39	0.92	0.97	0.68
mean	0.48	0.94	0.96	0.76

Percentage Unchanged Predictions Upward Tilt

Threshold: 0.8

Data	Percentage Unchanged Predictions Upward Tilt
	CNN14	w2v2-b	hubert-b	axlstm
iemocap-2.3.0-emotion.dimensions.test.gold_standard	0.20	0.72	0.83	0.44
msppodcast-2.6.1-emotion.dimensions.test-1.gold_standard	0.25	0.72	0.87	0.46
mean	0.23	0.72	0.85	0.45

Visualization Downward Tilt

Difference of predictions for original audio and audio with a downward spectral tilt. The allowed prediction difference \(\delta < 0.05\) is highlighted in green in the upper plot. The lower plot shows the distributions of the two predictions.

CNN14	w2v2-b	hubert-b	axlstm