From Roe Mobile Development:
Smart Recorder is the best audio recorder for Windows 8. Use it to record meetings, interview, lectures, classes, todo lists, shopping lists or even your kids voices. It produces high quality recordings and supports a variety of features. It features record audio, play audio, waveform view with zooming and panning, easy to drag marker to change current playback time-can even be moved while playing back, automatically pause recording when room is silent (auto pause), multi speed playback with pitch correction, categorize recordings, share recordings through the share charm, and add time based tags and pictures.