The key features that are offered by each API differ, and your use cases will dictate your priorities and needs in terms of which features to focus on. In this section, we’ll survey some of the most common features that STT APIs offer. The STT service will take the provided audio file, process it using either 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?Īt its core, a speech-to-text application programming interface (API) is simply the ability to call a service to transcribe audio into speech. If you’re familiar with that and want to just skip to the rankings, click here to jump down. In this blog post, we’re going to break down the various STT APIs available today, telling you their various pros and cons, and providing a ranking that we think accurately represents the current STT landscape.īefore we get to the ranking, we’re going to break down exactly what a speech-to-text API is, the core features you’d expect a STT API to have, and some key use cases for speech-to-text APIs. Although this diversity is great, it can also make it confusing when you’re trying to compare different options and pick the right solution for you. But the sheer number of options for speech transcription might be overwhelming if you aren’t familiar with the space-from Big Tech to open source options, there’s a ton of choices, with different price points and different feature sets to choose from. In our recent State of Voice Technology 2022 report, 99% of respondents said they viewed voice-enabled experiences as a critical part of their company’s future enterprise strategy. Later, we'll add the ability to choose the voice to use.īetween the tags at the bottom of the HTML we'll start by listening for the DOMContentLoaded event and then selecting some references to the elements we'll need.If you’ve been shopping for a speech-to-text (STT) solution for your business, you’re not alone. We'll start by connecting the form up to speak whatever you enter in the text input when you submit. Open up the HTML file you downloaded earlier in your text editor. Let's take the starter code we downloaded earlier and turn this into a small app where we can input the text to be spoken and choose the voice that the browser says it in. If you send more than one utterance to the speak method they will be spoken one after another. This queues up the utterance to be spoken and then starts the browser speaking. ![]() Then we passed the utterance to the speak method of the speechSynthesis object. We created a SpeechSynthesisUtterance which contained the text we wanted to be spoken. Your browser will speak the text " Hello, this is your browser speaking." in its default voice. On any web page, open up the developer tools console and enter the following code: The Speech Synthesis APIīefore we start work with this small application, we can get the browser to start speaking using the browser's developer tools. Let's get started with the API by getting the browser to talk to us for the first time. ![]() Open the HTML file in your browser and you should see this: Make sure they are in the same folder and the CSS file is named style.css. Once you're ready, create a directory to work in and download this HTML file and this CSS file to it. ![]()
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