Perhaps the operator cannot type and pecks numbers one at a time. In these cases, voice input is ideal for increasing productivity and should be fully utilized. The Application For Voice Input. In Step One, the goal is to efficiently implement voice input and to secure user acceptance. Although productivity is increased and the operator's job is easier at this point, the application program is unchanged and does not exploit the advantages of voice input.
Audio feedback plays an important role in optimizing applications for voice input.
In addition to host resources for digitized audio record and playback, speech synthesizers are available from third party developers. Adding audio feedback to database applications is accomplished by inserting audio playback commands at appropriate locations in the application program. These playback commands can output prerecorded digitized audio messages, or synthesized speech. When a data field is accessed, output an audio message with the field's name. This allows the user to begin entering data immediately without visually verifying the access.