oTranscribe is an application (webapp) free and of code opened (under license MIT) that it facilitates to transcribe engraved interviews. Simply a file MP3 or WAV adds, your recordings and documents do not go out of your computer, and oTranscribe can start reproducing it. There is a processor of available text to write and everything is automatically a bran in I her broke of the mariner.
oTranscribe can be used completely by the keyboard, which is essential to transcribe, in addition you can pause, rewind, improve, reduce the speed, to increase the speed, format of text (boldface, italic) and the skill of brands of time to insert (timestamps) your recording without moving away from the keyboard. This web application does all these actions thanks to the available short-cuts of keyboard.
Thanks to Ana Asencio for the recommendation.