Refer to Play/ParseNotation and PlaySegment to see how to use Earcon correctly.
(If you have installed A3D 3.0 SDK, this registration process is not compulsory).
Also, it can improve the memory, adding a location factor to each sound. This is so-called " cocktail party effect". Academically, this kind of positioning can help the user to pick out desired information out of two concurrently "displaying" sounds. Speech is for positioning synthesized speech in 3D world, combining ViaVoice TTS and A3D together. At present, the SDI implements two Sound objects: Speech and Earcon. SDI (Sound Device Interface) is designed for Auditory Display, or AUI (Audio User Interface), which has proved to be good complement to GUI (Graphic User Interface) academically. MIDI is owned by MMA (MIDI Manufacturers Association). DirectX is registered trademark of Microsoft Corporation. ViaVoice TTS is registered trademark of IBM. SDI is based on the following products: A3D, ViaVoice TTS, DirectX, MIDI, A3D is owned by Creative Technology Ltd.