0 ×

IBM Watson SR

StreamableKNIME Audio Processing Nodes version 4.4.0.v202104131247 by KNIME AG, Zurich, Switzerland

Speech recognizer based on the IBM Watson Speech to Text API service.


Audio Column
The audio column to process
Add confidence column
Add a column with the confidence of the Speech Recognition result.
Fail on error
The node fails when an error occurs during processing. If input has multiple AudioFiles, setting "Fail on Error" results in the Node failing when Speech Recognition of one one more AudioFiles fails. If not set, the Node will complete with missing values for all SR columns of the failed AudioFiles.
User name
The user name for the service
The password for the service
Language model
The language model to use
Profanity filter
If selected the service filters profanity from all output by replacing inappropriate words with a series of asterisks

Input Ports

Table with audio column

Output Ports

Audio table with recognition result

Best Friends (Incoming)

Best Friends (Outgoing)



To use this node in KNIME, install KNIME Audio Processing from the following update site:


A zipped version of the software site can be downloaded here.

You don't know what to do with this link? Read our NodePit Product and Node Installation Guide that explains you in detail how to install nodes to your KNIME Analytics Platform.

Wait a sec! You want to explore and install nodes even faster? We highly recommend our NodePit for KNIME extension for your KNIME Analytics Platform. Browse NodePit from within KNIME, install nodes with just one click and share your workflows with NodePit Space.


You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.