Tumlr allows to upload sounds. This is my trail upload. You can listen to the voice of my car.
Checking if animation works here.
I see I can update my posts, great! If I find a mistake I can correct it. There is spell check - great!. I can format my posts, insert images. I can also create my avatar. I can follow other blogs. There is software for mobile phones. I can load small data files but this is not a problem for the moment.