Speech technology relates to the technologies designed to duplicate and respond to the human voice. They have many uses. These include aid to the voice-disabled, the hearing-disabled, and the blind, along with communication with computers without a keyboard. They enhance game software and aid in marketing goods or services by telephone.

The subject includes several subfields:

• Speech synthesis
• Speech recognition
• Speaker recognition
• Speaker verification
• Speech encoding
• Multimodal interaction

• Communication aids
• Language technology
• Speech interface guideline
• Speech processing
• Speech Technology (magazine)