Exemplo n.º 1
0
        /// <summary>获取accessToken请求令牌</summary>
        private IEnumerator GetAccessToken()
        {
            var             uri             = string.Format(ACCESS_TOKEN_API_URL + "_id={0}&client_secret={1}", apiKey, secretKey);
            UnityWebRequest unityWebRequest = UnityWebRequest.Get(uri);

            yield return(unityWebRequest.SendWebRequest());

            if (unityWebRequest.isDone)
            {
                Match match = Regex.Match(unityWebRequest.downloadHandler.text, @"access_token.:.(.*?).,");
                if (match.Success)
                {
                    accessToken = match.Groups[1].ToString();
                }
                else
                {
                    SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();
                    callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_ERROR;
                    AsrParams asrParams = new AsrParams();
                    asrParams.error       = 1;
                    callbackMessage.param = JsonUtility.ToJson(asrParams);
                    OnWebSpeechCallback(callbackMessage);
                    Debug.LogWarning(GetType() + "/GetAccessToken()/验证错误,获取AccessToken失败!");
                }
            }
        }
 /// <summary>通过Web请求语音识别的回调</summary>
 public void WebSpeechCallback(SpeechEventListenerInfo callbackMessage)
 {
     if (onSpeechEventListener != null && callbackMessage != null)
     {
         onSpeechEventListener(callbackMessage);
     }
 }
Exemplo n.º 3
0
        /// <summary>停止录音</summary>
        public override void Stop()
        {
            if (isHaveMic == false || !Microphone.IsRecording(currentDeviceName))
            {
                return;
            }

            Microphone.End(currentDeviceName);
            trueLength = Mathf.CeilToInt((float)(GetTimestampOfNowWithMillisecond() - lastPressTimestamp) / 1000f);

            if (trueLength > 1)
            {
                SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();
                callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_EXIT;
                AsrParams asrParams = new AsrParams();
                callbackMessage.param = JsonUtility.ToJson(asrParams);
                OnWebSpeechCallback(callbackMessage);

                StartCoroutine(StartAsr());
            }
            else
            {
                SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();
                callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_ERROR;
                AsrParams asrParams = new AsrParams();
                asrParams.error       = 1;
                callbackMessage.param = JsonUtility.ToJson(asrParams);
                OnWebSpeechCallback(callbackMessage);
                Debug.LogWarning(GetType() + "/VoiceStop()/录音时长过短!");
            }
        }
Exemplo n.º 4
0
 /// <summary>语音识别回调</summary>
 private void OnWebSpeechCallback(SpeechEventListenerInfo callbackMessage)
 {
     if (m_BaiduSpeechManager != null)
     {
         m_BaiduSpeechManager.WebSpeechCallback(callbackMessage);
     }
     else
     {
         Debug.LogWarning(GetType() + "/OnWebSpeechCallback()/ m_BaiduSpeechManager is null!");
     }
 }
 /// <summary>语音识别回调</summary>
 private void OnSpeechCallback(string json)
 {
     try
     {
         SpeechEventListenerInfo callbackMessage = JsonUtility.FromJson <SpeechEventListenerInfo>(json);
         if (onSpeechEventListener != null)
         {
             onSpeechEventListener(callbackMessage);
         }
     }
     catch (Exception e)
     {
         Debug.LogWarning(GetType() + "/OnSpeechCallback()/解析数据失败!data:" + json + "---Exception:" + e);
     }
 }
Exemplo n.º 6
0
        /// <summary>取消本次识别,取消后将立即停止不会返回识别结果</summary>
        public override void Cancel()
        {
            if (isHaveMic == false || !Microphone.IsRecording(currentDeviceName))
            {
                return;
            }

            SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();

            callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_CANCEL;
            AsrParams asrParams = new AsrParams();

            callbackMessage.param = JsonUtility.ToJson(asrParams);
            OnWebSpeechCallback(callbackMessage);

            Microphone.End(currentDeviceName);
        }
Exemplo n.º 7
0
        /// <summary>
        /// 开始录音
        /// </summary>
        /// <param name="json">详情请移步 https://ai.baidu.com/ai-doc/SPEECH/9k38lxfnk </param>
        public override void Begin(string json)
        {
            if (isHaveMic == false || Microphone.IsRecording(currentDeviceName))
            {
                return;
            }

            SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();

            callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_PARTIAL;
            AsrParams asrParams = new AsrParams();

            callbackMessage.param = JsonUtility.ToJson(asrParams);
            OnWebSpeechCallback(callbackMessage);

            lastPressTimestamp = GetTimestampOfNowWithMillisecond();
            saveAudioClip      = Microphone.Start(currentDeviceName, isLoop, recordMaxLength, recordFrequency);
        }
Exemplo n.º 8
0
 /// <summary>初始化语音</summary>
 public override void Init()
 {
     if (isHaveMic == false || Microphone.IsRecording(currentDeviceName))
     {
         SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();
         callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_ERROR;
         AsrParams asrParams = new AsrParams();
         asrParams.error       = 1;
         callbackMessage.param = JsonUtility.ToJson(asrParams);
         OnWebSpeechCallback(callbackMessage);
         Debug.LogWarning(GetType() + "/SpeechInit()/当前设备没有麦克风!");
     }
     else
     {
         SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();
         callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_READY;
         AsrParams asrParams = new AsrParams();
         callbackMessage.param = JsonUtility.ToJson(asrParams);
         OnWebSpeechCallback(callbackMessage);
     }
 }
Exemplo n.º 9
0
        /// <summary>发起语音识别请求</summary>
        private IEnumerator StartAsr()
        {
            if (string.IsNullOrEmpty(accessToken))
            {
                yield return(GetAccessToken());
            }

            string asrResult = string.Empty;

            //处理当前录音数据为PCM16
            float[] samples = new float[recordFrequency * trueLength * saveAudioClip.channels];
            saveAudioClip.GetData(samples, 0);
            var samplesShort = new short[samples.Length];

            for (var index = 0; index < samples.Length; index++)
            {
                samplesShort[index] = (short)(samples[index] * short.MaxValue);
            }
            byte[] datas = new byte[samplesShort.Length * 2];
            Buffer.BlockCopy(samplesShort, 0, datas, 0, datas.Length);

            string url = string.Format("{0}?cuid={1}&token={2}", "https://vop.baidu.com/server_api", SystemInfo.deviceUniqueIdentifier, accessToken);

            WWWForm wwwForm = new WWWForm();

            wwwForm.AddBinaryData("audio", datas);
            UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, wwwForm);

            unityWebRequest.SetRequestHeader("Content-Type", "audio/pcm;rate=" + recordFrequency);

            yield return(unityWebRequest.SendWebRequest());

            if (string.IsNullOrEmpty(unityWebRequest.error))
            {
                asrResult = unityWebRequest.downloadHandler.text;

                Debug.Log(asrResult);

                SpeechEventListenerInfo callbackMessage = new SpeechEventListenerInfo();

                AsrParams asrParams = new AsrParams();

                WebAsrParams webAsrParams = JsonUtility.FromJson <WebAsrParams>(asrResult);

                OriginResult originResult = new OriginResult();
                originResult.err_no      = webAsrParams.err_no;
                originResult.err_msg     = webAsrParams.err_msg;
                originResult.corpus_no   = webAsrParams.corpus_no;
                originResult.sn          = webAsrParams.sn;
                originResult.result.word = webAsrParams.result;

                asrParams.origin_result       = originResult;
                asrParams.results_recognition = webAsrParams.result;

                callbackMessage.state = SpeechConstant.CALLBACK_EVENT_ASR_PARTIAL;
                callbackMessage.param = JsonUtility.ToJson(asrParams);

                OnWebSpeechCallback(callbackMessage);
            }
            else
            {
                Debug.LogWarning(GetType() + "/StartAsr()/语音识别识别!");
            }
        }