Abstract: A mobile communication device, such as a mobile telephone, that provides adaptive audible notifications to user. The mobile communication device is adapted to obtain information concerning the environment in which the device is located, such as ambient noise level or whether the device is in an enclosure, and to select an appropriate user notification loudness level based on the obtained information.

Abstract: A method for truth-enabling communications over a computer network using computer voice stress analysis. A sender creates a text message at a first computer of the computer network. The sender also enters into the first computer speech input indicating the veracity of the text message. For example, the speech input may indicate the veracity of the text message through an explicit assertion that the sender believes the text message to be truthful. By applying computer voice stress analysis to the speech input, a computer voice stress analysis program determines the veracity of the text message. The text message and an indication of the veracity of the text message may both be sent over the computer network to a recipient.