Unity+百度AI，轻松实现语音交互，全平台兼容（倾力推荐，非常好用）游戏梅思源的LOG-

废话不多说先上视频，各位小伙伴要的是这种效果就可以继续看下去了。

全程只有一个类，需要的亲自提～

using System; using System.Collections; using System.Text.RegularExpressions; using UnityEngine; using UnityEngine.EventSystems; using UnityEngine.Networking; using UnityEngine.UI; //RequireComponent的这两个组件主要用于播放自己录制的声音,不需要刻意删除,同时注意删除使用组件的代码 [RequireComponent(typeof(AudioListener)), RequireComponent(typeof(AudioSource))] public class BaiduASR : MonoBehaviour, IPointerDownHandler, IPointerUpHandler { //百度语音识别相关key //string appId = ""; string apiKey = "0UGofOLwP8XOc6qSRvfQF8VG"; //填写自己的apiKey string secretKey = "KQTzXjkK3ghpxYe3O3pMbLaouh1pyzZo"; //填写自己的secretKey //记录accesstoken令牌 string accessToken = string.Empty; //语音识别的结果 string asrResult = string.Empty; //标记是否有麦克风 private bool isHaveMic = false; //当前录音设备名称 string currentDeviceName = string.Empty; //录音频率,控制录音质量(8000,16000) int recordFrequency = 8000; //上次按下时间戳 double lastPressTimestamp = 0; //表示录音的最大时长 int recordMaxLength = 10; //实际录音长度(由于unity的录音需先指定长度,导致识别上传时候会上传多余的无效字节) //通过该字段,获取有效录音长度,上传时候剪切到无效的字节数据即可 int trueLength = 0; //存储录音的片段 [HideInInspector] public AudioClip saveAudioClip; //当前按钮下的文本 public Text textBtn; //显示结果的文本 public Text textResult; //音源 AudioSource audioSource; void Start() { //获取麦克风设备，判断是否有麦克风设备 if (Microphone.devices.Length > 0) {             isHaveMic = true;             currentDeviceName = Microphone.devices[0]; } //获取相关组件         audioSource = this.GetComponent<AudioSource>(); } /// <summary> /// 开始录音 /// </summary> /// <param name="isLoop"></param> /// <param name="lengthSec"></param> /// <param name="frequency"></param> /// <returns></returns> public bool StartRecording(bool isLoop = false) //8000,16000 { if (isHaveMic == false || Microphone.IsRecording(currentDeviceName)) { return false; } //开始录音 /*          * public static AudioClip Start(string deviceName, bool loop, int lengthSec, int frequency);          * deviceName   录音设备名称.          * loop         如果达到长度,是否继续记录          * lengthSec    指定录音的长度.          * frequency    音频采样率             */          lastPressTimestamp = GetTimestampOfNowWithMillisecond();          saveAudioClip = Microphone.Start(currentDeviceName, isLoop, recordMaxLength, recordFrequency); return true; } /// <summary> /// 录音结束,返回实际的录音时长 /// </summary> /// <returns></returns> public int EndRecording() { if (isHaveMic == false || !Microphone.IsRecording(currentDeviceName)) { return 0; } //结束录音         Microphone.End(currentDeviceName); //向上取整,避免遗漏录音末尾 return Mathf.CeilToInt((float)(GetTimestampOfNowWithMillisecond() - lastPressTimestamp) / 1000f); } /// <summary> /// 获取毫秒级别的时间戳,用于计算按下录音时长 /// </summary> /// <returns></returns> public double GetTimestampOfNowWithMillisecond() { return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000; } /// <summary> /// 按下录音按钮 /// </summary> /// <param name="eventData"></param> public void OnPointerDown(PointerEventData eventData) {         textBtn.text = "松开识别"; StartRecording(); } /// <summary> /// 放开录音按钮 /// </summary> /// <param name="eventData"></param> public void OnPointerUp(PointerEventData eventData) {         textBtn.text = "按住说话";         trueLength = EndRecording(); if (trueLength > 1) {             audioSource.PlayOneShot(saveAudioClip); StartCoroutine(_StartBaiduYuYin()); } else {             textResult.text = "录音时长过短"; } } /// <summary> /// 获取accessToken请求令牌 /// </summary> /// <returns></returns> IEnumerator _GetAccessToken() { var uri = string.Format( "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id={0}&client_secret={1}",                 apiKey, secretKey); UnityWebRequest unityWebRequest = UnityWebRequest.Get(uri); yield return unityWebRequest.SendWebRequest(); if (unityWebRequest.isDone) { //这里可以考虑用Json,本人比较懒所以用正则匹配出accessToken Match match = Regex.Match(unityWebRequest.downloadHandler.text, @"access_token.:.(.*?).,"); if (match.Success) { //表示正则匹配到了accessToken                 accessToken = match.Groups[1].ToString(); } else {                 textResult.text = "验证错误,获取AccessToken失败!!!"; } } } /// <summary> /// 发起语音识别请求 /// </summary> /// <returns></returns> IEnumerator _StartBaiduYuYin() { if (string.IsNullOrEmpty(accessToken)) { yield return _GetAccessToken(); }          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; if (Regex.IsMatch(asrResult, @"err_msg.:.success")) { Match match = Regex.Match(asrResult, "result.:..(.*?)..]"); if (match.Success) {                     asrResult = match.Groups[1].ToString(); if (asrResult == "帮我展开设备场景")                         GameObject.Find("Ground Plane Stage").GetComponent<HttpGet>().buttonStation.onClick.Invoke(); } } else {                 asrResult = "识别结果为空"; }             textResult.text = asrResult; } } } 

需要的亲自提哦～