语音信号算法

‘壹’ 璇瑷璇嗗埆镄勬妧链妗嗘灦阒舵甸‘搴忔槸

璇瑷璇嗗埆镄勬妧链妗嗘灦阒舵甸‘搴忛氩父鏄锛氲阔充俊鍙烽勫勭悊銆佺壒寰佹彁鍙栥佸０瀛︽ā鍨嬨佽瑷妯″瀷鍜岃В镰佹悳绱銆

棣栧厛锛岃阔充俊鍙烽勫勭悊鏄璇瑷璇嗗埆镄勭涓姝ワ纴瀹幂殑涓昏佺洰镄勬槸铡婚櫎璇阔充俊鍙蜂腑镄勫櫔澹板拰镞犲叧淇℃伅锛屽炲己璇阔充俊鍙风殑鍙璇嗗埆镐с傞勫勭悊杩囩▼鍙鑳藉寘𨰾璇阔充俊鍙风殑鏁板瓧鍖栥侀勫姞閲嶃佸垎甯с佸姞绐楃瓑镎崭綔銆备緥濡傦纴鍦ㄦ暟瀛楀寲杩囩▼涓锛岃阔充俊鍙疯杞鎹涓烘暟瀛椾俊鍙凤纴渚夸簬璁＄畻链鸿繘琛屽勭悊锛涢勫姞閲嶅垯鏄涓轰简鎻愬崌楂橀戦儴鍒嗙殑鑳介噺锛屼娇璇阔充俊鍙风殑棰戣氨镟村姞骞冲潶銆

鎺ヤ笅𨱒ユ槸鐗瑰緛鎻愬彇阒舵点傚湪杩欎竴阒舵碉纴浠庨勫勭悊钖庣殑璇阔充俊鍙蜂腑鎻愬彇鍑鸿兘澶熷弽鏄犺阔崇壒寰佺殑鍏抽敭鍙傛暟銆傚父鐢ㄧ殑璇阔崇壒寰佸寘𨰾姊呭皵棰戠巼鍊掕氨绯绘暟锛圡FCC锛夈佺嚎镐ч勬祴缂栫爜绯绘暟锛圠PC锛夌瓑銆傝繖浜涚壒寰佽兘澶熸湁鏁埚湴琛ㄥ緛璇阔充俊鍙蜂腑镄勫０瀛︾壒镐э纴涓哄悗缁镄勫０瀛︽ā鍨嬫彁渚涜緭鍏ャ

澹板︽ā鍨嬫槸璇瑷璇嗗埆涓镄勬牳蹇冮儴鍒嗭纴瀹冭礋璐ｅ皢鎻愬彇镄勮阔崇壒寰佹椠灏勫埌瀵瑰簲镄勬枃瀛楁垨阔崇礌涓娿傚０瀛︽ā鍨嬮氩父閲囩敤闅愰┈灏斿彲澶妯″瀷锛圚MM锛夋垨娣卞害瀛︿範妯″瀷锛埚傚惊鐜绁炵粡缃戠粶RNN銆侀暱鐭镞惰板繂缃戠粶LSTM绛夛级杩涜屽缓妯°傝繖浜涙ā鍨嬭兘澶熷︿範鍒拌阔崇壒寰佷笌镞堕棿搴忓垪涔嬮棿镄勫叧绯伙纴浠庤屽疄鐜板硅阔充俊鍙风殑璇嗗埆銆

璇瑷妯″瀷鍒欑敤浜庢弿杩拌瘝鎴栭煶绱犱箣闂寸殑缁熻″叧绯伙纴瀹冩彁渚涗简璇嗗埆缁撴灉镄勭害𨱒熷拰镙℃ｃ傝瑷妯″瀷鍙浠ラ噰鐢∟-gram妯″瀷銆佺炵粡缃戠粶璇瑷妯″瀷绛夈备緥濡傦纴鍦∟-gram妯″瀷涓锛岄氲繃缁熻¤鏂椤簱涓璇嶆垨阔崇礌镄凬-1阒惰浆绉绘傜巼锛屽彲浠ラ勬祴褰揿墠璇嶆垨阔崇礌镄勫嚭鐜版傜巼銆

链钖庢槸瑙ｇ爜鎼灭储阒舵点傚湪杩欎竴阒舵碉纴鍒╃敤澹板︽ā鍨嫔拰璇瑷妯″瀷瀵硅緭鍏ョ殑璇阔充俊鍙疯繘琛岃В镰侊纴鎼灭储鍑烘渶鍙鑳界殑璇嗗埆缁撴灉銆傝В镰佽繃绋嬮氩父閲囩敤锷ㄦ佽勫垝绠楁硶锛埚俈iterbi绠楁硶锛夋垨锘轰簬鎼灭储镄勭畻娉曪纸濡傞泦𨱒熸悳绱Beam Search锛夎繘琛屽疄鐜般傞氲繃杩欎簺绠楁硶锛屽彲浠ュ湪淇濊瘉璇嗗埆鍑嗙‘鐜囩殑钖屾椂锛屾彁楂樿瘑鍒阃熷害銆

缁间笂镓杩帮纴璇瑷璇嗗埆镄勬妧链妗嗘灦阒舵甸‘搴忔兜鐩栦简浠庤阔充俊鍙烽勫勭悊鍒版渶缁堣В镰佹悳绱㈢殑鏁翠釜杩囩▼銆傛疮涓阒舵甸兘链夊叾鐗瑰畾镄勪换锷″拰鐩镙囷纴鍏卞悓鏋勬垚浜呜瑷璇嗗埆镄勫畬鏁存祦绋嬨

‘贰’ 楹﹀厠椋庨樀鍒椾粈涔堟剰镐

楹﹀厠椋庨樀鍒楋纸Microphone Array)锛屼粠瀛楅溃涓婏纴鎸囩殑鏄楹﹀厠椋庣殑鎺掑垪銆涔熷氨鏄璇寸敱涓瀹氭暟鐩镄勫０瀛︿紶镒熷櫒锛堜竴鑸鏄楹﹀厠椋庯级缁勬垚锛岀敤𨱒ュ瑰０鍦虹殑绌洪棿鐗规ц繘琛岄噰镙峰苟澶勭悊镄勭郴缁熴

镞╁湪20涓栫邯70銆80骞翠唬锛岄害鍏嬮庨樀鍒楀凡缁忚搴旂敤浜庤阔充俊鍙峰勭悊镄勭爷绌朵腑锛岃繘鍏90骞翠唬浠ユ潵锛屽熀浜庨害鍏嬮庨樀鍒楃殑璇阔充俊鍙峰勭悊绠楁硶阃愭笎鎴愪负涓涓鏂扮殑镰旂┒鐑镣广傝屽埌浜嗏滃０鎺ф椂浠ｂ濓纴杩欓”鎶链镄勯吨瑕佹ф樉寰楀挨涓虹獊鍑恒

楹﹀厠椋庨樀鍒楀师锲狅细

1銆佽阔充俊鍙锋槸瀹藉甫淇″彿銆

2銆佸ゅ唴娣峰搷鎴栬呭氩缎鏁埚簲鏄捐宪銆

3銆佺幆澧幂壒镐у拰淇″彿鍧囬珮搴﹂潪骞崇ǔ銆

4銆佸櫔澹颁笌鐩镙囱阔充俊鍙峰彲鑳藉叿链夌浉钖岀殑棰戣氨鐗规с

5銆佷紶镒熷櫒镄勬暟鐩阃氩父链夐檺銆

6銆佷汉钥冲惉锷涘叿链夋瀬瀹界殑锷ㄦ佽寖锲达纴骞朵笖瀵归氶亾鍐插嚮鍝嶅簲镄勫急𨰾栧熬鏋佸叾鏁忔劅銆傚洜姝わ纴婊ゆ尝鍣ㄦā鍨嬬殑闀垮害寰堥暱銆