Voice Recorder: Sound Recording, Voice Recording - You should always have a voice recorder with you, but this application will make it easier for you and you will be able to use your own phone for all recording! The built-in mono and stereo sound will help you to record the sounds you make qualitatively, so that later, when listening in normal or accelerated / slow-motion mode, you can clearly analyze what you heard. Recording can be carried out even with the screen off, in the background, with auto-saving to storage and adjusting the playback speed of AAC and WAV formats.