Voice application invocation refers to the process of initiating a voice-based application or program through verbal commands or prompts. This technology allows users to interact with various devices, such as smartphones or smart speakers, by simply speaking to them. By using natural language processing and voice recognition technology, voice application invocation enables users to access a wide range of services and information hands-free. This innovative method of interaction has revolutionized the way we interact with technology, making it more convenient and accessible for individuals of all ages and abilities.