1. A computer-based method comprising: receiving a speech corpus at a speech management server system that comprises a plurality of speech recognition engines tuned to different speaker types; using the speech recognition engines to associate the received speech corpus with a selected one of a plurality of the speaker types; sending a speaker category identification code that corresponds to the associated speaker type from the speech management server system over a network, wherein the speaker category identification code can be used by one or more applications coupled to the network to select one of a plurality of application-accessible speech recognition engines tuned to the different speaker types in response to an indication that a user accessing the application is associated with a particular one of the speaker category identification codes.