Do you want use google speech api to recognize text from a dictate? If you want to add in your “test” project, (test project because it’s not a public API), you need to read Chrome Browser source code. Here chromium url: src.chromium.org/viewvc/chrome/trunk/src/content/browser/speech Chrome records audio chunks, accepts only a FLAC file, an open source audio codec … Continue reading [Objective-C] Use Google speech on iPhone