Whine is audible over classroom noise. There is a purpose to the whine. The whine achieves its goal from the target through sympathy, guilt or frustration. Most of the people turned to hear your whine. Some people joined your whine.
Whine lasts five seconds or more.
The pitch of the whine varies. The whine can be heard over the teacher's voice. There is a purpose to the whine, but it failed to achieve its goal. The whine may establish some sympathy for the whiner. Your whine was noticed by some people.