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Get sampleRate from AudioContext #3

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Get sampleRate from AudioContext #3

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31 changes: 13 additions & 18 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,13 @@
/**
* The JWT token you get after authenticating with our API.
* Check the Authentication section of the documentation for more details.
*/
const accessToken = "";
const uniqueMeetingId = btoa("[email protected]");
const symblEndpoint = `wss://api.symbl.ai/v1/realtime/insights/${uniqueMeetingId}?access_token=${accessToken}`;
* The JWT token you get after authenticating with our API.
* Check the Authentication section of the documentation for more details.
*/
const accessToken = ''
const uniqueMeetingId = btoa('[email protected]')
const symblEndpoint = `wss://api.symbl.ai/v1/streaming/${uniqueMeetingId}?access_token=${accessToken}`;

// Have audio context instance created for getting sample rate and audio processing handler.
const context = new AudioContext();

const ws = new WebSocket(symblEndpoint);

Expand All @@ -25,11 +28,6 @@ ws.onmessage = (event) => {
console.log('Topic detected: ', topic.phrases)
}
}
if (data.type === 'topic_response') {
for (let topic of data.topics) {
console.log('Topic detected: ', topic.phrases)
}
}
if (data.type === 'insight_response') {
for (let insight of data.insights) {
console.log('Insight detected: ', insight.payload.content);
Expand Down Expand Up @@ -62,12 +60,12 @@ ws.onopen = (event) => {
languageCode: 'en-US',
speechRecognition: {
encoding: 'LINEAR16',
sampleRateHertz: 44100,
sampleRateHertz: context.sampleRate, // Get sample rate from browser's audio context
}
},
speaker: {
userId: '[email protected]',
name: 'Example Sample',
userId: '[email protected]',
name: 'Tony Stark',
}
}));
};
Expand All @@ -80,8 +78,6 @@ const stream = await navigator.mediaDevices.getUserMedia({ audio: true, video: f
* the WebSocket endpoint for processing.
*/
const handleSuccess = (stream) => {
const AudioContext = window.AudioContext;
const context = new AudioContext();
const source = context.createMediaStreamSource(stream);
const processor = context.createScriptProcessor(1024, 1, 1);
const gainNode = context.createGain();
Expand All @@ -102,5 +98,4 @@ const handleSuccess = (stream) => {
};
};


handleSuccess(stream);
handleSuccess(stream);