原句1

14'

原句2

22'

原句3

34'

Researchers collected

23'

almost 200

22'

sound samples

16'

canine

20'

including human and canine

19'

vocalizations

14'

as well as

9'

environmental noises

26'

and silence

15'

原句

1

8'

正常

4'

2
慢速

6'

正常

3'

3
慢速

7'

正常

4'

整句
慢速

16'

正常

9'