The process of using spoken words as inputs for computer programmes is called speech recognition. This procedure is crucial to virtual reality because it gives the user a pretty natural and simple approach to operate the simulation while preserving their free hands.
It is the technology that turns the sounds, words, or sentences that people speak into electrical impulses, which are then turned into coding patterns with predetermined meanings.
Systems that recognise speech without training are referred to as “speaker-independent” systems, whereas those that do so are referred to as “speaker-dependent” systems. To operate the actuator from a distance, network actuation and speech recognition can be combined.
Through the use of a microphone, the speech signal is recorded and processed by PC software. Coding allows for the extraction of speech features from samples and their implementation via an embedded system.
The Global Embedded speech recognition market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
ISD aims to release a number of speech-recognition chips, the first of which is the ISD-SR3000. The initial solution consists of embedded firmware for the recognition engine and speech processing peripheral software with recording and compression capabilities.
The first-generation chip is made to work with an external memory, host microcontroller, and a separate voice codec. However, ISD is working on a single-chip solution that will incorporate the host controller, data RAM, DSP and RISC cores, as well as a voice compression codec.
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