Pocketsphinx - Shell-Bash

Pocketsphinx is a lightweight speech recognition engine, specifically designed for handheld and embedded devices. It is part of the larger Speech Recognition Toolkit (Sphinx), which is maintained by the CMU Sphinx team.

Installing Pocketsphinx

Pocketsphinx can be easily installed on Unix-based systems using the package manager. For example, on Ubuntu, the command is:

sudo apt-get install pocketsphinx

On macOS, you can install using Homebrew:

brew install pocketsphinx

For other operating systems, please refer to the official installation guide.

Using Pocketsphinx

Pocketsphinx can be used directly from the command line. Here is an example of using Pocketsphinx to recognize speech from a microphone:

pocketsphinx_continuous -inmic yes

This command will start the continuous speech recognition mode and use the microphone as the audio source. You can also use an audio file as the input:

pocketsphinx_continuous -infile file.wav

By default, Pocketsphinx uses the US English language model. However, other language models and acoustic models can be downloaded from the official model repository.

Conclusion

In conclusion, Pocketsphinx is a powerful and lightweight speech recognition engine, which can be easily integrated into any bash script or Unix-based system. With its easy-to-use command line interface and support for multiple languages, Pocketsphinx is a great tool for any developer working on speech recognition projects.