Table 7. Effect of pretraining sequence length on model perfor-mance after fine-tuning and evaluation on 150-second sequences. FT denotes the fine-tuned model initialized from the corresponding pretraining length.

Method	DIVg ↑	DIVk ↑	BAS ↑	Jitter ↓
FT (10s)	3.876	2.423	0.176	175.35
FT (60s)	4.169	3.066	0.179	170.19