17. A device for embedding a watermark in an electronic audio signal, the device comprising: means for classifying the audio signal according to audio type; the classifying including means for processing the audio signal to detect a voiced and an unvoiced sound; means for selecting based on the audio type an audio perceptual model adapted for a detected voiced or unvoiced sound and insertion method; and means for embedding a watermark of an audio watermark type in the audio signal according to the selected perceptual model.
17. A device for embedding a watermark in an electronic audio signal, the device comprising: means for classifying the audio signal according to audio type; the classifying including means for processing the audio signal to detect a voiced and an unvoiced sound; means for selecting based on the audio type an audio perceptual model adapted for a detected voiced or unvoiced sound and insertion method; and means for embedding a watermark of an audio watermark type in the audio signal according to the selected perceptual model. 18. The device of claim 17 wherein the classifying comprises discriminating audio segments based on types, including speech and music.