1、打开Nuance官网，注册并登陆

https://developer.nuance.com/public/index.php?task=home

2.下载app sample

3、主页-->My Account -->My Sandbox --> Sandbox Credentials

4、获取到沙盒认证信息

5、打开类Configuration，并重新配置里面的内容

6、填写信息过后的数据

代码：

public class Configuration {

    //All fields are required.
    //Your credentials can be found in your Nuance Developers portal, under "Manage My Apps".
    public static final String APP_KEY = "73c883da2ab3b94ccad2ff03e390c2feab273a1d14eca327aeb0b754acc0d61f8859f9b20cb2fed784fdda678e9c6639c3a056d78df9ff3ba9b69055766674fe";
    public static final String APP_ID = "NMDPTRIAL_1027437527_qq_com20170803021437";
    public static final String SERVER_HOST = "sslsandbox-nmdp.nuancemobility.net";
    public static final String SERVER_PORT = "443";

    public static final String LANGUAGE = "eng-USA";

    public static final Uri SERVER_URI = Uri.parse("nmsps://" + APP_ID + "@" + SERVER_HOST + ":" + SERVER_PORT);

    //Only needed if using NLU
    public static final String CONTEXT_TAG = "!NLU_CONTEXT_TAG!";

    public static final PcmFormat PCM_FORMAT = new PcmFormat(PcmFormat.SampleFormat.SignedLinear16, 16000, 1);
    public static final String LANGUAGE_CODE = (Configuration.LANGUAGE.contains("!") ? "eng-USA" : Configuration.LANGUAGE);

}

语音识别后的结果：

注：可以选择的语言：https://developer.nuance.com/public/index.php?task=supportedLanguages