Automatic Speech Recognition (ASR)
2026-05-08
De Novo Cloud Expert
Automatic Speech Recognition (ASR) is an artificial intelligence technology that converts human speech audio signals into text using machine learning algorithms and neural networks. In modern systems, ASR is primarily based on deep neural networks, including transformer and recurrent architectures, which model acoustic and linguistic dependencies, enabling accurate recognition even under challenging conditions such as noise, varying accents, and variable speech rates. The ASR architecture includes stages of audio preprocessing, feature extraction, decoding, and text post-processing, allowing the generation of coherent and structured output.
In practical scenarios, ASR is used for audio and video transcription, subtitle generation, contact center operations, voice assistants, conversation analytics, and the development of multimodal AI systems. The technology integrates with both cloud and on-premises infrastructures, supports real-time streaming speech processing as well as batch analysis of recordings, enabling its use in enterprise environments with strict requirements for accuracy and latency. Additionally, ASR is applied in security systems, healthcare, education, and media, enabling automation of voice data processing and improving efficiency in handling large volumes of audio information.