sofya.transcription
Version:
a JavaScript library that provides a robust and flexible solution for real-time audio transcription. It is designed to transcribe audio streams and can be easily integrated into web applications.
137 lines • 7.23 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OracleTranscriptionAdapter = void 0;
var oci_aispeech_realtime_web_1 = require("../../../libs/oci-aispeech-realtime-web");
var oci_aispeech_realtime_web_2 = require("../../../libs/oci-aispeech-realtime-web");
var oci_aispeech_realtime_web_3 = require("../../../libs/oci-aispeech-realtime-web");
var EventEmitter_1 = __importDefault(require("../../../shared/EventEmitter"));
var OracleTranscriptionAdapter = /** @class */ (function (_super) {
__extends(OracleTranscriptionAdapter, _super);
function OracleTranscriptionAdapter(config) {
var _this = _super.call(this) || this;
_this.mediaStream = null;
_this.recognizer = null;
_this.token = config.token;
_this.compartmentId = config.compartmentId;
_this.region = config.region;
_this.language = config.language;
return _this;
}
OracleTranscriptionAdapter.prototype.startTranscription = function (mediaStream) {
var _this = this;
if (!mediaStream) {
throw new Error("No mediaStream was received.");
}
this.mediaStream = mediaStream;
var serviceRegion = this.region;
var realtimeParameters = {
languageCode: this.language,
modelDomain: oci_aispeech_realtime_web_2.RealtimeParametersModelDomainEnum.GENERIC,
stabilizePartialResults: oci_aispeech_realtime_web_3.RealtimeParametersStabilizePartialResultsEnum.NONE,
partialSilenceThresholdInMs: 0,
finalSilenceThresholdInMs: 1000,
shouldIgnoreInvalidCustomizations: false,
encoding: "audio/raw;rate=16000",
};
var realtimeEventListener = {
onResult: function (resultMessage) {
var transcription = resultMessage.transcriptions[0];
if (transcription.isFinal) {
_this.emit("recognized", transcription.transcription);
}
else {
_this.emit("recognizing", transcription.transcription);
}
},
onError: function (error) {
_this.emit("error", error);
},
onClose: function () {
_this.emit("stopped");
},
onConnect: function () {
_this.emit("connected");
},
};
this.recognizer = new oci_aispeech_realtime_web_1.AIServiceSpeechRealtimeApi(
//@ts-ignore
realtimeEventListener, this.token, this.compartmentId, this.mediaStream, "wss://realtime.aiservice.".concat(serviceRegion, ".oci.oraclecloud.com/ws/transcribe/stream"), realtimeParameters);
this.recognizer.connect();
};
OracleTranscriptionAdapter.prototype.pauseTranscription = function () {
var _a;
(_a = this.recognizer) === null || _a === void 0 ? void 0 : _a.pause();
};
OracleTranscriptionAdapter.prototype.resumeTranscription = function () {
var _a;
(_a = this.recognizer) === null || _a === void 0 ? void 0 : _a.resume();
};
OracleTranscriptionAdapter.prototype.stopTranscription = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.recognizer) {
this.recognizer.close();
this.emit("stopped");
}
return [2 /*return*/];
});
});
};
return OracleTranscriptionAdapter;
}(EventEmitter_1.default));
exports.OracleTranscriptionAdapter = OracleTranscriptionAdapter;
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