Android讯飞语音集成【语音评测3】

概述前言：语音评测（SpeechEvaluator）：通过智能语音技术自动对发音水平进行评价、发音错误、缺陷进行定位和问题分析。目前评音评测提供汉语、英语两种语言的评测，支持单字（汉语专有）、词语和句子朗读三种题型。效果图：1、IseActivity.javapublicclassIseActivityextendsAppCo

前言：

语音评测（SpeechEvaluator）：
通过智能语音技术自动对发音水平进行评价、发音错误、缺陷进行定位和问题分析。目前评音评测提供汉语、英语两种语言的评测，支持单字（汉语专有）、词语 和句子朗读三种题型。

效果图：

1、IseActivity.java

public class IseActivity extends AppCompatActivity implements VIEw.OnClickListener {    private static final String TAG = "IseActivity";    private EditText mEvaTextEditText;    private EditText mResultEditText;    private button mIseStartbutton;    private button iseLanguages, isetopic, iseResultLevel;    private EditText iseStartTime, iseEndTime, iseTime;    private String mLastResult;    private SpeechEvaluator mIse;    //切换(汉语、句子、等级)    private String languageType = "zh_cn", topicType = "read_sentence", resultLevelType = "complete";    @OverrIDe    public voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.activity_ise);        mIse = SpeechEvaluator.createEvaluator(this, null);        initUI();        setEvaText();    }    private voID initUI() {        mEvaTextEditText = this.findVIEwByID(R.ID.ise_eva_text);        mResultEditText = this.findVIEwByID(R.ID.ise_result_text);        mIseStartbutton = this.findVIEwByID(R.ID.ise_start);        iseLanguages = this.findVIEwByID(R.ID.ise_languages);        isetopic = this.findVIEwByID(R.ID.ise_topic);        iseResultLevel = this.findVIEwByID(R.ID.ise_result_level);        iseStartTime = this.findVIEwByID(R.ID.ise_start_time);        iseEndTime = this.findVIEwByID(R.ID.ise_end_time);        iseTime = this.findVIEwByID(R.ID.ise_time);        mIseStartbutton.setonClickListener(this);        iseLanguages.setonClickListener(this);        isetopic.setonClickListener(this);        iseResultLevel.setonClickListener(this);        findVIEwByID(R.ID.ise_parse).setonClickListener(this);        findVIEwByID(R.ID.ise_stop).setonClickListener(this);        findVIEwByID(R.ID.ise_cancel).setonClickListener(this);    }    @OverrIDe    public voID onClick(VIEw vIEw) {        if (null == mIse) {            // 创建单例失败，与 21001 错误为同样原因，参考 http://bbs.xfyun.cn/forum.PHP?mod=vIEwthread&tID=9688            showToast("创建对象失败，请确认 libmsc.so 放置正确，且有调用 createUtility 进行初始化");            return;        }        switch (vIEw.getID()) {            case R.ID.ise_start:                if (mIse == null) {                    return;                }                String evaText = mEvaTextEditText.getText().toString();                mLastResult = null;                mResultEditText.setText("");                mResultEditText.setHint("请朗读以上内容");                mIseStartbutton.setEnabled(false);                setParams();                int ret = mIse.startEvaluating(evaText, null, mEvaluatorListener);                //以下方法为通过直接写入音频的方式进行评测业务				/*if (ret != ErrorCode.SUCCESS) {					showTip("识别失败,错误码：" + ret);				} else {					showTip(getString(R.string.text_begin_ise));					byte[] audioData = FucUtil.readAudiofile(IseDemo.this,"isetest.wav");					if(audioData != null) {						//防止写入音频过早导致失败						try{							new Thread().sleep(100);						}catch (InterruptedException e) {							Log.d(TAG,"InterruptedException :"+e);						}						mIse.writeAudio(audioData,0,audioData.length);						mIse.stopEvaluating();					}				}*/                break;            case R.ID.ise_parse:                // 解析最终结果                if (!TextUtils.isEmpty(mLastResult)) {                    XmlResultParser resultParser = new XmlResultParser();                    Result result = resultParser.parse(mLastResult);                    if (null != result) {                        mResultEditText.setText(result.toString());                    } else {                        showToast("解析结果为空");                    }                }                break;            case R.ID.ise_stop:                if (mIse.isEvaluating()) {                    mResultEditText.setHint("评测已停止，等待结果中...");                    mIse.stopEvaluating();                }                break;            case R.ID.ise_cancel:                mIse.cancel();                mIseStartbutton.setEnabled(true);                mResultEditText.setText("");                mResultEditText.setHint("请点击“开始评测”按钮");                mLastResult = null;                break;            case R.ID.ise_languages:                if (languageType.equals("zh_cn")) {                    languageType = "en_us";                    iseLanguages.setText("语种：英语");                } else {                    languageType = "zh_cn";                    iseLanguages.setText("语种：汉语");                }                setEvaText();                break;            case R.ID.ise_topic:                if (topicType.equals("read_sentence")) {                    topicType = "read_word";                    isetopic.setText("题型：词语");                } else if (topicType.equals("read_word")) {                    topicType = "read_syllable";                    isetopic.setText("题型：单词");                } else {                    topicType = "read_sentence";                    isetopic.setText("题型：句子");                }                setEvaText();                break;            case R.ID.ise_result_level:                if (resultLevelType.equals("complete")) {                    resultLevelType = "plain";                    iseResultLevel.setText("等级：plain");                } else {                    resultLevelType = "complete";                    iseResultLevel.setText("等级：complete");                }                setEvaText();                break;            default:        }    }    // 设置评测试题    private voID setEvaText() {        String text = "";        if ("en_us".equals(languageType)) {            if ("read_word".equals(topicType)) {                text = getString(R.string.text_en_word);            } else if ("read_sentence".equals(topicType)) {                text = getString(R.string.text_en_sentence);            }        } else {            // 中文评测            if ("read_syllable".equals(topicType)) {                text = getString(R.string.text_cn_syllable);            } else if ("read_word".equals(topicType)) {                text = getString(R.string.text_cn_word);            } else if ("read_sentence".equals(topicType)) {                text = getString(R.string.text_cn_sentence);            }        }        mEvaTextEditText.setText(text);        mResultEditText.setText("");        mLastResult = null;        mResultEditText.setHint("请点击“开始评测”按钮");    }    private voID setParams() {        // 设置评测语言        mIse.setParameter(SpeechConstant.LANGUAGE, languageType);        // 设置需要评测的类型        mIse.setParameter(SpeechConstant.ISE_category, topicType);        // 设置结果等级（中文仅支持complete）        mIse.setParameter(SpeechConstant.RESulT_LEVEL, resultLevelType);        mIse.setParameter(SpeechConstant.TEXT_ENCoding, "utf-8");        // 设置语音前端点:静音超时时间，即用户多长时间不说话则当做超时处理        mIse.setParameter(SpeechConstant.VAD_BOS, iseStartTime.getText().toString());        // 设置语音后端点:后端点静音检测时间，即用户停止说话多长时间内即认为不再输入， 自动停止录音        mIse.setParameter(SpeechConstant.VAD_EOS, iseEndTime.getText().toString());        // 语音输入超时时间，即用户最多可以连续说多长时间；(-1无超时)        mIse.setParameter(SpeechConstant.KEY_SPEECH_TIMEOUT, iseTime.getText().toString());        mIse.setParameter(SpeechConstant.AUdio_FORMAT_AUE, "opus");        // 设置音频保存路径，保存音频格式支持pcm、wav，设置路径为sd卡请注意WRITE_EXTERNAL_STORAGE权限        mIse.setParameter(SpeechConstant.AUdio_FORMAT, "wav");        mIse.setParameter(SpeechConstant.ISE_AUdio_PATH, Environment.getExternalStorageDirectory().getabsolutePath() + "/msc/helloword_ise.wav");        //通过writeaudio方式直接写入音频时才需要此设置        //mIse.setParameter(SpeechConstant.AUdio_SOURCE,"-1");    }    // 评测监听接口    private EvaluatorListener mEvaluatorListener = new EvaluatorListener() {        @OverrIDe        public voID onResult(EvaluatorResult result, boolean isLast) {            Log.e(TAG, "evaluator result :" + isLast);            if (isLast) {                StringBuilder builder = new StringBuilder();                builder.append(result.getResultString());                if (!TextUtils.isEmpty(builder)) {                    mResultEditText.setText(builder.toString());                }                mIseStartbutton.setEnabled(true);                mLastResult = builder.toString();                showToast("评测结束");            }        }        @OverrIDe        public voID one rror(SpeechError error) {            mIseStartbutton.setEnabled(true);            if (error != null) {                showToast("error:" + error.getErrorCode() + "," + error.getErrorDescription());                mResultEditText.setText("");                mResultEditText.setHint("请点击“开始评测”按钮");            } else {                Log.e(TAG, "evaluator over");            }        }        @OverrIDe        public voID onBeginofSpeech() {            // 此回调表示：sdk内部录音机已经准备好了，用户可以开始语音输入            Log.e(TAG, "onBeginofSpeech: evaluator begin");        }        @OverrIDe        public voID onEndOfSpeech() {            // 此回调表示：检测到了语音的尾端点，已经进入识别过程，不再接受语音输入            Log.e(TAG, "onEndOfSpeech: evaluator stoped");        }        @OverrIDe        public voID onVolumeChanged(int volume, byte[] data) {            showToast("当前音量：" + volume);            Log.e(TAG, "onVolumeChanged: 返回音频数据" + data.length);        }        @OverrIDe        public voID onEvent(int eventType, int arg1, int arg2, Bundle obj) {            // 以下代码用于获取与云端的会话ID，当业务出错时将会话ID提供给技术支持人员，可用于查询会话日志，定位出错原因            //	if (SpeechEvent.EVENT_SESSION_ID == eventType) {            //		String sID = obj.getString(SpeechEvent.KEY_EVENT_SESSION_ID);            //		Log.d(TAG, "session ID =" + sID);            //	}        }    };    /**     * 展示吐司     */    private voID showToast(final String str) {        Toast.makeText(this, str, Toast.LENGTH_SHORT).show();    }    @OverrIDe    protected voID onResume() {        // 开放统计 移动数据统计分析        //FlowerCollector.onResume(IseDemo.this);        //FlowerCollector.onPageStart(TAG);        super.onResume();    }    @OverrIDe    protected voID onPause() {        // 开放统计 移动数据统计分析        //FlowerCollector.onPageEnd(TAG);        //FlowerCollector.onPause(IseDemo.this);        super.onPause();    }    @OverrIDe    protected voID onDestroy() {        super.onDestroy();        if (null != mIse) {            mIse.destroy();            mIse = null;        }    }}

布局文件activity_ise.xml：

<?xml version="1.0" enCoding="utf-8"?><linearLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"    androID:layout_wIDth="match_parent"    androID:layout_height="match_parent"    androID:gravity="center_horizontal"    androID:orIEntation="vertical"    androID:paddingleft="10dp"    androID:paddingRight="10dp">    <TextVIEw        androID:layout_wIDth="wrap_content"        androID:layout_height="wrap_content"        androID:layout_centerInParent="true"        androID:text="讯飞评测示例"        androID:textSize="30sp" />    <EditText        androID:ID="@+ID/ise_eva_text"        androID:layout_wIDth="match_parent"        androID:layout_height="120dp"        androID:layout_marginBottom="5dp"        androID:gravity="top|left"        androID:textSize="20sp" />    <EditText        androID:ID="@+ID/ise_result_text"        androID:layout_wIDth="match_parent"        androID:layout_height="0dp"        androID:layout_weight="1"        androID:gravity="top|left"        androID:hint="请点击“开始评测”按钮"        androID:textSize="16sp" />    <linearLayout        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:layout_margintop="10dp"        androID:gravity="center_vertical"        androID:orIEntation="horizontal">        <button            androID:ID="@+ID/ise_languages"            androID:layout_wIDth="wrap_content"            androID:layout_height="wrap_content"            androID:text="语种：汉语"            androID:textSize="16sp" />        <button            androID:ID="@+ID/ise_topic"            androID:layout_wIDth="wrap_content"            androID:layout_height="wrap_content"            androID:text="题型：句子"            androID:textSize="16sp" />        <button            androID:ID="@+ID/ise_result_level"            androID:layout_wIDth="wrap_content"            androID:layout_height="wrap_content"            androID:text="等级：complete"            androID:textSize="16sp" />    </linearLayout>    <EditText        androID:ID="@+ID/ise_start_time"        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:hint="前端超时：(默认：5000ms)"        androID:inputType="number"        androID:padding="10dp"        androID:textSize="20sp" />    <EditText        androID:ID="@+ID/ise_end_time"        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:hint="后端超时：(默认：1800ms)"        androID:inputType="number"        androID:padding="10dp"        androID:textSize="20sp" />    <EditText        androID:ID="@+ID/ise_time"        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:hint="评测超时：(默认：-1无超时，单位同上)"        androID:inputType="number"        androID:padding="10dp"        androID:textSize="20sp" />    <TextVIEw        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:text="修改数值后需重新开始评测"        androID:textSize="15sp" />    <linearLayout        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:layout_margintop="5dp"        androID:layout_marginBottom="2dp"        androID:gravity="center_horizontal"        androID:orIEntation="horizontal">        <button            androID:ID="@+ID/ise_start"            androID:layout_wIDth="0dp"            androID:layout_height="wrap_content"            androID:layout_weight="1"            androID:text="开始评测"            androID:textSize="20sp" />        <button            androID:ID="@+ID/ise_stop"            androID:layout_wIDth="0dp"            androID:layout_height="wrap_content"            androID:layout_weight="1"            androID:text="停止评测"            androID:textSize="20sp" />    </linearLayout>    <linearLayout        androID:layout_wIDth="match_parent"        androID:layout_height="wrap_content"        androID:layout_margintop="10dp"        androID:layout_marginBottom="2dp"        androID:gravity="center_horizontal"        androID:orIEntation="horizontal">        <button            androID:ID="@+ID/ise_cancel"            androID:layout_wIDth="0dp"            androID:layout_height="wrap_content"            androID:layout_weight="1"            androID:text="取消评测"            androID:textSize="20sp" />        <button            androID:ID="@+ID/ise_parse"            androID:layout_wIDth="0dp"            androID:layout_height="wrap_content"            androID:layout_weight="1"            androID:text="结果解析"            androID:textSize="20sp" />    </linearLayout></linearLayout>

2、工具类XmlResultParser.java（Demo中也有）：

public class XmlResultParser {    public Result parse(String xml) {        if (TextUtils.isEmpty(xml)) {            return null;        }        XmlPullParser pullParser = Xml.newPullParser();        try {            inputStream ins = new ByteArrayinputStream(xml.getBytes());            pullParser.setinput(ins, "utf-8");            FinalResult finalResult = null;            int eventType = pullParser.getEventType();            while (XmlPullParser.END_document != eventType) {                switch (eventType) {                    case XmlPullParser.START_TAG:                        if ("FinalResult".equals(pullParser.getname())) {                            // 只有一个总分的结果                            finalResult = new FinalResult();                        } else if ("ret".equals(pullParser.getname())) {                            finalResult.ret = getInt(pullParser, "value");                        } else if ("total_score".equals(pullParser.getname())) {                            finalResult.total_score = getfloat(pullParser, "value");                        } else if ("xml_result".equals(pullParser.getname())) {                            // 详细结果                            return parseResult(pullParser);                        }                        break;                    case XmlPullParser.END_TAG:                        if ("FinalResult".equals(pullParser.getname())) {                            return finalResult;                        }                        break;                    default:                        break;                }                eventType = pullParser.next();            }        } catch (XmlPullParserException e) {            e.printstacktrace();        } catch (IOException e) {            e.printstacktrace();        }        return null;    }    private Result parseResult(XmlPullParser pullParser) {        Result result = null;        // <rec_paper>标签是否已扫描到        boolean rec_paperPassed = false;        Sentence sentence = null;        Word word = null;        Syll syll = null;        Phone phone = null;        int eventType;        try {            eventType = pullParser.getEventType();            while (XmlPullParser.END_document != eventType) {                switch (eventType) {                    case XmlPullParser.START_TAG:                        if ("rec_paper".equals(pullParser.getname())) {                            rec_paperPassed = true;                        } else if ("read_syllable".equals(pullParser.getname())) {                            if (!rec_paperPassed) {                                result = new ReadSyllableResult();                            } else {                                readTotalResult(result, pullParser);                            }                        } else if ("read_word".equals(pullParser.getname())) {                            if (!rec_paperPassed) {                                result = new ReaDWordResult();                                String lan = getLanguage(pullParser);                                result.language = (null == lan) ? "cn" : lan;                            } else {                                readTotalResult(result, pullParser);                            }                        } else if ("read_sentence".equals(pullParser.getname()) ||                                "read_chapter".equals(pullParser.getname())) {                            if (!rec_paperPassed) {                                result = new ReadSentenceResult();                                String lan = getLanguage(pullParser);                                result.language = (null == lan) ? "cn" : lan;                            } else {                                readTotalResult(result, pullParser);                            }                        } else if ("sentence".equals(pullParser.getname())) {                            if (null == result.sentences) {                                result.sentences = new ArrayList<Sentence>();                            }                            sentence = createSentence(pullParser);                        } else if ("word".equals(pullParser.getname())) {                            if (null != sentence && null == sentence.words) {                                sentence.words = new ArrayList<Word>();                            }                            word = createWord(pullParser);                        } else if ("syll".equals(pullParser.getname())) {                            if (null != word && null == word.sylls) {                                word.sylls = new ArrayList<Syll>();                            }                            syll = createSyll(pullParser);                        } else if ("phone".equals(pullParser.getname())) {                            if (null != syll && null == syll.phones) {                                syll.phones = new ArrayList<Phone>();                            }                            phone = createPhone(pullParser);                        }                        break;                    case XmlPullParser.END_TAG:                        if ("phone".equals(pullParser.getname())) {                            syll.phones.add(phone);                        } else if ("syll".equals(pullParser.getname())) {                            word.sylls.add(syll);                        } else if ("word".equals(pullParser.getname())) {                            sentence.words.add(word);                        } else if ("sentence".equals(pullParser.getname())) {                            result.sentences.add(sentence);                        } else if ("read_syllable".equals(pullParser.getname())                                || "read_word".equals(pullParser.getname())                                || "read_sentence".equals(pullParser.getname())) {                            return result;                        }                        break;                    default:                        break;                }                eventType = pullParser.next();            }        } catch (XmlPullParserException e) {            e.printstacktrace();        } catch (IOException e) {            e.printstacktrace();        }        return result;    }    private voID readTotalResult(Result result, XmlPullParser pullParser) {        result.beg_pos = getInt(pullParser, "beg_pos");        result.end_pos = getInt(pullParser, "end_pos");        result.content = getContent(pullParser);        result.total_score = getfloat(pullParser, "total_score");        result.time_len = getInt(pullParser, "time_len");        result.except_info = getExceptInfo(pullParser);        result.is_rejected = getIsRejected(pullParser);    }    private Phone createPhone(XmlPullParser pullParser) {        Phone phone;        phone = new Phone();        phone.beg_pos = getInt(pullParser, "beg_pos");        phone.end_pos = getInt(pullParser, "end_pos");        phone.content = getContent(pullParser);        phone.dp_message = getInt(pullParser, "dp_message");        phone.time_len = getInt(pullParser, "time_len");        return phone;    }    private Syll createSyll(XmlPullParser pullParser) {        Syll syll;        syll = new Syll();        syll.beg_pos = getInt(pullParser, "beg_pos");        syll.end_pos = getInt(pullParser, "end_pos");        syll.content = getContent(pullParser);        syll.symbol = getSymbol(pullParser);        syll.dp_message = getInt(pullParser, "dp_message");        syll.time_len = getInt(pullParser, "time_len");        return syll;    }    private Word createWord(XmlPullParser pullParser) {        Word word;        word = new Word();        word.beg_pos = getInt(pullParser, "beg_pos");        word.end_pos = getInt(pullParser, "end_pos");        word.content = getContent(pullParser);        word.symbol = getSymbol(pullParser);        word.time_len = getInt(pullParser, "time_len");        word.dp_message = getInt(pullParser, "dp_message");        word.total_score = getfloat(pullParser, "total_score");        word.global_index = getInt(pullParser, "global_index");        word.index = getInt(pullParser, "index");        return word;    }    private Sentence createSentence(XmlPullParser pullParser) {        Sentence sentence;        sentence = new Sentence();        sentence.beg_pos = getInt(pullParser, "beg_pos");        sentence.end_pos = getInt(pullParser, "end_pos");        sentence.content = getContent(pullParser);        sentence.time_len = getInt(pullParser, "time_len");        sentence.index = getInt(pullParser, "index");        sentence.word_count = getInt(pullParser, "word_count");        return sentence;    }    private String getLanguage(XmlPullParser pullParser) {        return pullParser.getAttributeValue(null, "lan");    }    private String getExceptInfo(XmlPullParser pullParser) {        return pullParser.getAttributeValue(null, "except_info");    }    private boolean getIsRejected(XmlPullParser pullParser) {        String isRejected = pullParser.getAttributeValue(null, "is_rejected");        if (null == isRejected) {            return false;        }        return Boolean.parseBoolean(isRejected);    }    private String getSymbol(XmlPullParser pullParser) {        return pullParser.getAttributeValue(null, "symbol");    }    private float getfloat(XmlPullParser pullParser, String attrname) {        String val = pullParser.getAttributeValue(null, attrname);        if (null == val) {            return 0f;        }        return float.parsefloat(val);    }    private String getContent(XmlPullParser pullParser) {        return pullParser.getAttributeValue(null, "content");    }    private int getInt(XmlPullParser pullParser, String attrname) {        String val = pullParser.getAttributeValue(null, attrname);        if (null == val) {            return 0;        }        return Integer.parseInt(val);    }}

将Demo中result文件夹拷贝至项目中，如下图所示：

3、使用到的strings.xml：

<string name="text_en_word">"[word]\napple\nbanana\norange"</string><string name="text_en_sentence">"The quick brown fox jumps over the lazy dog."</string><string name="text_cn_syllable">"知，痴，是"</string><string name="text_cn_word">"磁铁，率领，脆弱，动手，古筝"</string><string name="text_cn_sentence">"一座座雪峰插入云霄，峰顶银光闪闪，大大小小的湖泊，像颗颗宝石镶嵌在彩带般的沟谷中。"</string>

总结

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