1. A method, comprising: receiving, at a processor operating in a vehicle, an audio signal generated from speech spoken by a user; recognizing, by the processor, a portion of the audio signal that corresponds to a command prefix, the command prefix representing a spoken word that indicates a next spoken word is a voice command; identifying, by the processor, another portion of the audio signal corresponding to the next spoken word after the command prefix; recognizing, by the processor, the next spoken word based on the another portion of the audio signal; comparing, by the processor, the next spoken word to electronic associations between commands and words including the next spoken word; recognizing, by the processor, the voice command of the commands that is electronically associated with the next spoken word; and executing, by the processor, the command in response to the speech spoken by the user.
1. A method, comprising: receiving, at a processor operating in a vehicle, an audio signal generated from speech spoken by a user; recognizing, by the processor, a portion of the audio signal that corresponds to a command prefix, the command prefix representing a spoken word that indicates a next spoken word is a voice command; identifying, by the processor, another portion of the audio signal corresponding to the next spoken word after the command prefix; recognizing, by the processor, the next spoken word based on the another portion of the audio signal; comparing, by the processor, the next spoken word to electronic associations between commands and words including the next spoken word; recognizing, by the processor, the voice command of the commands that is electronically associated with the next spoken word; and executing, by the processor, the command in response to the speech spoken by the user. 6. The method of claim 1 , further comprising initiating a call in response to the speech spoken by the user.