![]() ![]() ![]() Profanity filtering – If you’re utilizing STT for community moderation, you’ll require a program that automatically censors or flags profanity in its output.Multiple audio formats – A Speech-to-text API that eliminates the need to transcode audio from diverse sources can save you time and money.Keyword boosting – increases the likelihood that the STT API will predict words in your audio that are particularly important or common. ![]() Custom vocabulary – Being able to define custom vocabulary is beneficial if your audio contains a large number of custom terms.Topic detection – If you’re looking to process large amounts of audio in order to understand better what’s being said, an STT API with topic detection may be something to consider.Support for multiple languages – If you intend to work with multiple languages or dialects, this should be a top priority.For readable transcriptions, the absolute baseline accuracy is 80%. Accurate Transcription – the most essential thing whatever you are using speech-to-text for.Some features of speech-to-text APIs are: Then, you can choose the suitable API for your needs. What are Important Features of Speech-to-Text APIsĮach API’s key features differ, therefore your use cases will determine your priorities and needs in terms of which features to focus on. The audio to text service will process the provided audio file using machine learning or a set of tools that combines machine learning with rule-based approaches, and then provide a transcript of what it thinks was said. What is a Speech-to-Text API?Ī speech-to-text application programming interface (API) is the ability to invoke a service that converts audio into written text. It is also helpful for people with disabilities that make using a keyboard difficult. In addition, this type of speech recognition software is beneficial for anyone who needs to generate a large amount of written content quickly and easily. Audio-to-text APIs is also called computer speech recognition. In case you would like to setup the service via a text file, create a new file in $OPENHAB_ROOT/conf/services named watsonstt.Speech-to-text (STT) allows for the real-time transcription of audio streams into text. Redaction - If true, the service redacts, or masks, numeric data from final transcripts.Smart Formatting - If true, the service converts dates, times, series of digits and numbers, phone numbers, currency values, and internet addresses into more readable.No Results Message - Message to be told when no results.The logged data is not shared or made public. Logging is done only to improve the services for future users. Opt Out Logging - By default, all IBM Watson™ services log requests and their results.Max Silence Seconds - The time in seconds after which, if only silence (no speech) is detected in the audio, the connection is closed.Single Utterance Mode - When enabled recognition stops listening after a single utterance.Speech Detector Sensitivity - Use the parameter to suppress word insertions from music, coughing, and other non-speech events.Background Audio Suppression - Use the parameter to suppress side conversations or background noise.Multimedia models are intended for audio that has a minimum sampling rate of 16 kHz, while telephony models are intended for audio that has a minimum sampling rate of 8 kHz. Prefer Multimedia Model - Prefer multimedia to telephony models (opens new window).Use your favorite configuration UI to edit Settings / Other Services - IBM Watson Speech-to-Text: Instance Url - Url for Speech-to-Text instance created on IBM Cloud.Api Key - Api key for Speech-to-Text instance created on IBM Cloud.Use your favorite configuration UI to edit Settings / Other Services - IBM Watson Speech-to-Text and set: # Configuration # Authentication Configuration After the instance is created you should be able to view its url and api key.Go to the following link (opens new window) and create the instance in your desired region.# Obtaining Credentialsīefore you can use this add-on, you should create a Speech-to-Text instance in the IBM Cloud service. You can find pricing information on this page (opens new window). Watson STT Service uses the non-free IBM Watson Speech-to-Text API to transcript audio data to text.īe aware that using this service may incur cost on your IBM account. ![]()
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