FunASR is an offline voice file transcription software package that integrates speech endpoint detection, speech recognition, and punctuation models. It can convert long audio and video files into punctuated text while supporting concurrent transcription of multiple requests. The system supports ITN and user-defined keywords, and the server integrates ffmpeg, accommodating various audio and video format inputs. It offers clients in multiple programming languages, making it ideal for enterprises and developers needing efficient and accurate voice transcription services.