Whisper-based Real-time Speech Recognition

Akiya Research Institute - Code Plugins - Feb 4, 2023
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Real-time speech-to-text transcription and alignment with multi-language support, based on OpenAI's Whisper model. No python or any separated servers needed.

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  • Supported Platforms
  • Supported Engine Versions
    4.27, 5.0 - 5.4
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.

Demo video: Link

Documentation: Link

Free Demo project (exe): Link


This plugin allows you to recognize speech in 99 languages, just by adding one component to your blueprint, without relying on any separate servers or subscriptions.


The machine learning model used in this plugin is based on OpenAI's Whisper, but has been optimized to run on the ONNX Runtime for best performance and to minimize dependencies.


Accuracy varies for each supported language. See the original paper for the accuracy of supported languages.


Prerequisite to use with GPU (CUDA)

To use this with a GPU, you need a supported NVIDIA GPU and to install the following versions of CUDA and cuDNN. 

  • CUDA: 11.6
  • cuDNN: 8.5.0.96

Technical Details

Features:

  • Real-time transcription from microphone input to text in 99 languages
  • Real-time translation from microphone input to English text
  • Real-time alighment from microphone input to user-specified text

Code Modules:

  • AudioInputSpectrumAnalysis (Runtime)
  • ByteLevelBpeTokenizer (Runtime)
  • CustomizedOnnxRuntime (Runtime)
  • WhisperOnnxModel (Runtime)

Number of Blueprints: 2

Number of C++ Classes: 13+

Network Replicated: No

Supported Development Platforms: Windows 64-bit

Supported Target Build Platforms: Windows 64-bit

Documentation: Link

Important/Additional Notes:

  • To use with GPU, you need to install CUDA 11.6 and cuDNN 8.5.0.96.
Tags

DEEP LEARNINGAISPEECH RECOGNITIONBLUEPRINTSSPEECH TO TEXTNEURAL NETWORKCPPMACHINE LEARNING

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