eechRecognitionLanguage = languageOptions.value;
            return speechConfig;
        }

        async function configureRequestBody() {
            const headers = {
                "Accept": "application/json;text/xml",
                "Connection": "Keep-Alive",
                "Content-Type": "audio/wav; codecs=audio/pcm; samplerate=16000",
            };
            if (authorizationToken) {
                headers["Authorization"] = `Bearer ${authorizationToken}`;
            } else if (!key.value