, Transcribe audio file, real time audio input by using Googles speech to to text api demo. , , I ran a 1/8DQ male to male cable between the mic and the , line out / headphone on the sound card. , Set the output device to line out built in audio and the , input device to rear audio built in microphone. , , using googles api demo page https://www.google.com/intl/en/chrome/demos/speech.html , click on the microphone and then start playback of the audio. , With the sound signal going to the line out built in audio, no sound , will be heard through the speakers. , ,