Method of Automatic Language Selection for TTS Reading of Incoming SMS or Email Messages
Original Publication Date: 2005-Mar-25
Included in the Prior Art Database: 2005-Mar-25
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A Text-To-Speech (TTS) System produces human understandable speech out of the contents of incoming SMS or Email Messages. Before the TTS System can properly read out the message it requires the information about the language of the message (e.g. German, English, etc.). Today there is no standard way of transmitting this information from the sender of the message to the receiver. The following solutions are proposed to determine the language of an incoming SMS or Email Message (Fig. 1): 1. One possibility is to use a text-based language identification (LID-TXT) module at the receiver side. This module parses the incoming message and guesses the language. The LID-TXT module can be implemented using pattern matching rules or statistical methods. 2. The sender chooses in some way the language of the message. This can be done by default using T9 language or the MMI (Multi Media Interface) language if T9 is disabled. Alternatively the user can be asked to set a language flag for the text before sending the message. This information can be encoded in the reserved bits of the Information Element Identifier (IEI, e.g. at value 23-6F, A0-Bf or E0-FF) of the Transfer Protocol User Data (TP-UD) of the SMS Message.