Method and apparatus for generating DTMF tones using voice-recognition commands during hands-free communication in a vehicle
First Claim
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1. A vehicle communication unit for operation in a cabin of a vehicle, the vehicle communication system comprising:
- means for enunciating an audio signal to the cabin of the vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle; and
means for generating a DTMF signal in response to the voice-command without muting or otherwise interrupting enunciation of the audio signal in the vehicle cabin.
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Abstract
An apparatus, method, and code on a computer readable medium are provided for constructing and operating a vehicle communication unit that is adapted for enunciating an audio signal to the cabin of a vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle, and for generating a DTMF signal in response to the voice-command without muting or otherwise interrupting the enunciated audio signal.
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Citations
25 Claims
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1. A vehicle communication unit for operation in a cabin of a vehicle, the vehicle communication system comprising:
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means for enunciating an audio signal to the cabin of the vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle; and
means for generating a DTMF signal in response to the voice-command without muting or otherwise interrupting enunciation of the audio signal in the vehicle cabin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A vehicle communication unit adapted for enunciating an audio signal to the cabin of a vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle, the vehicle communication unit comprising:
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a microphone located within the vehicle cabin for simultaneously receiving the enunciated audio signal and voice-command, and for generating a combined microphone output signal;
a voice-recognition engine adapted for receiving a voice-recognition command and generating a DTMF signal; and
a discriminator adapted for receiving the combined microphone output signal, removing the enunciated audio signal from the combined microphone output signal, and generating a voice-recognition command, for communication to the voice-recognition engine. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method for operating a vehicle communication unit adapted for enunciating an audio signal to the cabin of a vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle, the method comprising:
generating a DTMF signal in response to the voice-command without muting or otherwise interrupting the enunciated audio signal. - View Dependent Claims (18, 19)
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20. Code on a computer readable medium for operating a vehicle communication unit adapted for enunciating an audio signal to the cabin of a vehicle, and for simultaneously receiving the enunciated audio signal and a voice-command from a user speaking in the cabin of the vehicle, the code comprising:
an instruction for generating a DTMF signal in response to the voice-command without muting or otherwise interrupting the enunciated audio signal. - View Dependent Claims (21, 22)
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23. A vehicle communication unit for operation in the cabin of a vehicle comprising:
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a loudspeaker for enunciating an audio signal;
a microphone for simultaneously receiving the enunciated audio signal and a voice command;
a voice recognition engine and a discrimination to generate a DTMF signal in response to the voice command without muting or interrupting enunciation of the audio signal. - View Dependent Claims (24, 25)
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Specification