29. The system of claim 28 , wherein the second receiver receives video images of lip movements that coincide with the audio signals.
28. A system for speech recognition, comprising: a first receiver that receives audio signals from a speech source; a second receiver that receives video signals from the speech source; a processor that detects if the audio signals can be processed and that processes the audio signals if the audio signals can be processed, the processor processing the video signals based on the detection that at least a portion of the audio signals can not be processed; a converter that converts at least one of the audio signals and the video signals to recognizable information; and an implementor that implements a task based on the recognizable information, wherein the processor determines if the video image of a user is detected and, if the user's video image is not detected, indicates to the user that the video image is not detected.