@tilde-nlp/asr-api-client
Advanced tools
Library is created for implementing dictation. It is written with typescript and also includes typescript models.
beginVoiceRecognition - starts recording (asks permission for mic if needed) and creates connection with asr api.
endVoiceRecognition(forceCloseWebsocket = false) - stops recording and closes socket if forceCloseWebsocket param is set to true. If forceCloseWebsocket is set to false, it will close connection on next final result.
Library also provides possibility to draw real time oscilogram that will be drawn into <canvas> element. To be able to create this visualization, you need to add <canvas></canvas> element to your html and pass elements ID to visualizer configuration.
Couple small examples for easier integration. Remember to replace variable placeholders with your own values.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tilde speech recognition example</title>
<!-- Include Tilde asr api client -->
<script src="https://unpkg.com/@tilde-nlp/asr-api-client@latest/index.js"></script>
</head>
<body>
<script language="javascript">
// set up config
var config = {
url: "wss://services.tilde.com/service/asr/ws/${SYSTEM_NAME}/?contentType=audio/x-raw&sampleRate=44100&channelCount=1&x-api-key=${API_KEY}",
onResult: result => { if (result.final) console.log(result) }, // partial or final result
onRecordingStartStop: isRecording => console.log(isRecording), // boolean value emitted whenever isRecording changes
onError: error => console.error(error) // error callback
}
// Create asr client
var asrClient = new window["asr-api-client"].AsrClient(config);
// Start voice recognition
asrClient.beginVoiceRecognition();
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tilde speech recognition example</title>
<!-- Include Tilde asr api client -->
<script src="https://unpkg.com/@tilde-nlp/asr-api-client@latest/index.js"></script>
</head>
<body>
<script language="javascript">
// set up config
var config = {
url: "wss://services.tilde.com/service/asr/ws/${SYSTEM_NAME}/?contentType=audio/x-raw&sampleRate=44100&channelCount=1&x-api-key=${API_KEY}",
onResult: result => { if (result.final) console.log(result) }, // partial or final result
onRecordingStartStop: (isRecording, ctx) => {
// start drawing audio oscilogram if neccesarry
if (isRecording) {
ctx.audioVisualizer?.visualizeAudio();
}
}, // boolean value emitted whenever isRecording changes
onError: error => console.error(error), // error callback
// configuration if you want to add real time oscillogram, if not, you do not have to set this value
visualizerConfig: {
// id of container where to put visualizer
visualizerId: "audio-visualizer",
// optional param - visualization color. Default value: "#811331"
strokeStyle: "#811331"
}
}
// Create asr client
var asrClient = new window["asr-api-client"].AsrClient(config);
// Start voice recognition
asrClient.beginVoiceRecognition();
</script>
</body>
<!--necessary if you need real time oscilogram-->
<canvas id="audio-visualizer"></canvas>
</html>
FAQs
Library with services for communicating with Tilde TSP platform
We found that @tilde-nlp/asr-api-client demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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