What steps will reproduce the problem? 1. use any kind of twitter app like twitter for iphone, twitbird 2. take a video and upload to yfrog server
(like one-two-three-four sound with 1~4 finger action) 3. play the video after uploading completed 4. the video doesn't sync. between picture and sound.

What is the expected output? What do you see instead? -> the video played well before two weeks ago but it doesn't synchronized recently. not at all.

What version of the product are you using? On what operating system? -> iPhone

Please provide any additional information below. -> We are developing twitter app for iphone and we've integrated with yfrog. It performed well but it became very slow and sync-problem recently. Please check if there is any problem.