15. A method according to claim 14, wherein the step of receiving uses a speech pre-processor which further comprises a feature extractor for extracting relevant speech parameters and producing the speech-related signal.
15. A method according to claim 14, wherein the step of receiving uses a speech pre-processor which further comprises a feature extractor for extracting relevant speech parameters and producing the speech-related signal. 16. A method according to claim 15, wherein the feature extractor includes a codebook created using speech data from the plurality of languages, and wherein the feature extractor uses vector quantization such that the speech-related signal is a sequence of feature vectors.