7 Best C++ Speech Recognition Libraries 2024

Here are some of the famous C++ Speech Recognition Libraries. Some use cases of C++ Speech Recognition Libraries include Automated Voice Assistants, Voice-Enabled Games, Voice-Enabled Mobile Apps, Voice-Controlled Robotics, Voice-Enabled Chatbots, Voice-controlled Home Automation, Language Translators, and Text-to-Speech Conversion.

C++ speech recognition libraries are sets of software tools and libraries written in the C++ programming language that are designed to enable developers to create applications that can recognize and respond to spoken commands. These libraries may include tools for voice recognition, speech synthesis, natural language processing, and other related tasks.

Let us have a look at some of the famous C++ Speech Recognition Libraries.

sphinx

• Highly configurable, allowing developers to customize it to their needs.
• Supports continuous speech recognition, allowing for continuous dictation.
• Wide range of applications, from voice-driven search engines to interactive home automation systems.

kaldi-gop

• Faster and more accurate speech recognition library than other C++ libraries.
• Enables users to quickly create and train acoustic models, making it ideal for real-time applications.
• Provides excellent integration with other open-source libraries, such as OpenFst and HTK.

AaltoASR

• Speech recognition accuracy is higher than many other C++ speech recognition libraries.
• Designed to be user-friendly, making it easy to integrate into existing applications.
• an be compiled for Windows, Linux and MacOS, making it suitable for a wide range of applications.

openEAR

• Tightly integrated with the CMU Sphinx speech recognizer.
• Supports multiple languages and can be customized for specific languages or dialects.
• Provides a robust set of tools for pre-processing and analyzing speech data.

htk

• Full-scale speech recognition system which can be used for both research and industrial applications.
• Wide range of signal processing, acoustic modeling, and language modeling algorithms.
• A graphical user interface that makes it more straightforward to work with. 

Listener

• Compatible with multiple operating systems, including Windows, Mac, and Linux.
• Processes speech and audio commands quickly, allowing for fast responses and actions.
• High accuracy rate for speech recognition, making it a reliable and trustworthy library.

PocketSphinx

• Designed to be fast and responsive, ensuring quick recognition times for the user.
• Straightforward library, making it easy to use for developers with any level of experience.
• Can be freely modified and redistributed.