 reference text after received all recognized words to get these error words.
                const diff = new difflib.SequenceMatcher(null, referenceWords, recognizedWordStrList);
                for (const d of diff.getOpcodes()) {
                    if (d[0] == "insert" || d[0] == "replace") {
                        for (let j = d[3]; j < d[4]; j++) {
                            if (allWords && allWords.length > 0 && allWords[j].PronunciationAssessment.ErrorType !== "Insertion") {
                     