This workflow shows the functionality of the KNIME Audio nodes - Read in audio files - Use speech-to-text services - Extract acoustic features - Visualize in Component Composite View Pleas note: - The CMUSphinx4 speech recognition service does not require any credentials - Bing and IBM Watson require access to the respective services and the corresponding credentials - The CMUSphinx4 SR node supports the use of custom language models. For more information, visit https://cmusphinx.github.io/wiki/tutoriallm/