2. The method of claim 1 , wherein the audio content of one of the two different audio files contains speech, wherein the audio content of another of the two different audio files contains background sounds, and wherein audio content of the combined audio file contains speech and the background sounds.
2. The method of claim 1 , wherein the audio content of one of the two different audio files contains speech, wherein the audio content of another of the two different audio files contains background sounds, and wherein audio content of the combined audio file contains speech and the background sounds. 3. The method of claim 2 , further comprising: inputting the combined audio file into a speech recognition engine.