Services identification and initiation for a speech-based interface to a mobile device

1. A method of providing hands-free services using a mobile device having wireless access to computer-based services, comprising the steps of:

(a) establishing a short range wireless connection between a mobile device and one or more audio devices that include at least a microphone and speaker;

(b) receiving at the mobile device speech inputted via the microphone from a user and sent via the short range wireless connection;

(c) wirelessly transmitting the speech input from the mobile device to a speech recognition server that provides automated speech recognition (ASR);

(d) receiving at the mobile device a speech recognition result representing the content of the speech input;

(e) Identifying a primary session context and an ancillary session context from the speech recognition result, wherein the ancillary session context is identified from the speech received from the user during step (b)

(f) determining a desired service based on the primary session context by processing the speech recognition result using a first, service-identifying grammar;

(g) determining a user service request by processing at least some of the speech recognition result using a second, service-specific grammar associated with the desired service;

(h) determining another desired service based on the ancillary session context by processing the speech recognition result using the first, service-identifying grammar;

(i) initiating another desired service; and

(j) initiating the user service request and receiving a service response.

2. The method set forth in claim 1 , wherein the ASR server comprises a generalized third party cloud service and wherein step (c) further comprises sending the speech input to the generalized third party cloud service.

3. The method set forth in claim 1 , wherein the first, service-identifying grammar includes vocabulary indicative of a plurality of session contexts.

4. The method set forth in claim 3 , wherein the session contexts include dining, weather, traffic, navigation, scheduling, and messaging.

5. The method set forth in claim 1 , wherein step (f) further comprises determining a desired service associated with the primary session context and an ancillary service for each of a plurality of ancillary session contexts.

6. The method set forth in claim 1 , wherein the method is carried out using a vehicle having an installed audio user interface and further comprises sending the audio message to the audio user interface via the short range wireless connection for audible presentation in the vehicle.

7. The method set forth in claim 1 , wherein step (j) comprises sending the service request to an application installed on the mobile device and receiving the service response from the installed application.

8. The method set forth in claim 1 , wherein step (j) comprises sending the service request to a cloud service and receiving the service response from the cloud service.

9. The method set forth in claim 1 , further comprising the steps of:

(h) generating an audio message from the service response; and

(i) presenting the audio message to the user via the speaker.

10. The method set forth in claim 9 , wherein step (h) comprises generating a text response based on the service response, sending the text response to a cloud text-to-speech (TTS) service via a wireless communication system, and receiving the audio message from the TTS service via the wireless communication system.