no audio on some App like tennistv the have live stream video, I used to hear the audio, they told me is an iPad issue, also trayed RolandGarros App no audio
I have several Tennis App like TENNISTV, US OPEN, ROLANDGARROS and last month I noticed that I have no sound on the video (this is live streaming) games if I do log in on my PC there is video and audio playing, I did contact them, the 1st suggestion was to delete the app and reinstalled, I did not worked still no sound at all, they told me to contact Apple
iPad 2