| { | |
| "paper_id": "O07-1017", | |
| "header": { | |
| "generated_with": "S2ORC 1.0.0", | |
| "date_generated": "2023-01-19T08:08:13.982282Z" | |
| }, | |
| "title": "An HNM Based Method for Synthesizing Mandarin Syllable Signal", | |
| "authors": [ | |
| { | |
| "first": "\u53e4\u9d3b\u708e", | |
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| "institution": "National Taiwan University of Science and Technology", | |
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| { | |
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| "middle": [], | |
| "last": "Gu", | |
| "suffix": "", | |
| "affiliation": { | |
| "laboratory": "", | |
| "institution": "National Taiwan University of Science and Technology", | |
| "location": {} | |
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| "email": "" | |
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| { | |
| "first": "Yen-Zuo", | |
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| "last": "Zhou", | |
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| "affiliation": { | |
| "laboratory": "", | |
| "institution": "National Taiwan University of Science and Technology", | |
| "location": {} | |
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| "paper_id": "O07-1017", | |
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| "text": "\u81ea\u5f9e PSOLA \u5408\u6210\u6cd5\u88ab\u63d0\u51fa\u4e4b\u5f8c [1] \uff0c\u5b83\u5df2\u5ee3\u6cdb\u5730\u88ab\u61c9\u7528\u65bc\u4f5c\u8a9e\u97f3\u4fe1\u865f\u7684\u5408\u6210\uff0c\u4e0d\u904e\u4f7f\u7528 PSOLA \u6240\u5408\u6210\u51fa\u7684\u8a9e\u97f3\u4fe1\u865f\u7684\u54c1\u8cea\uff0c\u4e26\u4e0d\u7a69\u5b9a\uff0c\u4f8b\u5982\u5c0d\u4e00\u500b\u9304\u88fd\u7684\u8a9e\u97f3\u55ae\u5143\u7684\u57fa\u5468\u8ecc \u8de1(pitch contour)\u6216\u97f3\u9577(duration)\u4f5c\u8f03\u5927\u5e45\u5ea6\u7684\u6539\u8b8a\u6642\uff0c\u5247\u5408\u6210\u8a9e\u97f3\u7684\u54c1\u8cea\u6703\u8870\u9000\u5f88\u591a [2] \u3002\u96d6\u7136\u5728\u63a1\u53d6\u8a9e\u6599\u5eab(corpus based)\u70ba\u57fa\u790e\u7684\u7814\u7a76\u65b9\u5411 [3, 4] ", | |
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| "text": "EQUATION", | |
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| "text": "EQUATION", | |
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\u5fc5\u9700 \u4f5c\u53cd\u5305\u88f9\u904b\u7b97\u4ee5\u4fdd\u8b49\u76f8\u4f4d\u5dee\u503c\u6703\u843d\u65bc-\uf070 \u5230\uf070 \u4e4b\u9593\uff0c\u5728\u6b64\u6211\u5011\u4fee\u6b63\u904e\u7684\u76f8\u4f4d\u53cd\u5305\u88f9\u904b\u7b97\u7684 \u4f5c\u6cd5\u662f \uf070 \uf0d7 \uf02d \uf03d \uf03d \uf02b \uf02b \uf02b 2 ) ( 1 1 1 M \u03b8 \u03b8 , \u03b8 puw \u03b8 n i n i n i n i (4) \uf028 \uf029 \uf0eb \uf0fb \uf0ef \uf0ee \uf0ef \uf0ed \uf0ec \uf070 \uf02d \uf0b3 \uf070 \uf03d \uf02b \uf02d \uf03d \uf02b \uf02b \uf070 otherwise if \u03b8 \u03b8 \u03b8 M n i n i c c n i n i \u53e6\u5916\uff0c\u7531\u65bc\u4e00\u500b\u97f3\u6846\u4f5c HNM \u53c3\u6578\u5206\u6790\u5f8c\uff0c\u6703\u5f97\u5230 10 \u500b\u4ee3\u8868\u96dc\u97f3\u6210\u5206\u7684\u5012\u983b\u8b5c\u4fc2\u6578\uff0c 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frequency)\u503c\u4e5f\u88ab\u8abf\u9ad8\u4e86 1.5 \u500d\uff0c\u4f8b\u5982\u5716 4 \u7684\u7b2c\u4e00\u5171\u632f\u983b\u7387 240Hz \u88ab\u8abf\u9ad8\u6210\u70ba 360Hz\uff0c\u9019\u6a23\u7684\u5171\u632f\u983b\u7387\u7684\u6539\u8b8a\uff0c\u5176\u5f8c \u679c\u662f\u97f3\u8272\u4e5f\u88ab\u6539\u8b8a\u4e86\uff0c\u5982\u679c\u5404\u500b\u63a7\u5236\u9ede\u4e0a\u7684\u983b\u7387\u8abf\u6574\u500d\u7387\u9ad8\u9ad8\u4f4e\u4f4e\u4e0d\u4e00\u81f4\uff0c\u5247\u97f3\u8272\u4e5f\u6703 \u8b8a\u4f86\u8b8a\u53bb\u5730\u4e0d\u4e00\u81f4\u3002 \u8981\u5728\u97f3\u8272\u4fdd\u6301\u4e00\u81f4\u7684\u524d\u63d0\u4e0b\uff0c\u8abf\u6574\u4e00\u500b\u63a7\u5236\u9ede\u7684\u97f3\u9ad8\uff0c\u6211\u5011\u5fc5\u9700\u9075\u5b88\u7684\u539f\u5247\u662f\uff0c\u8981\u8b93\u983b \u8b5c\u5305\u7d61\u4fdd\u6301\u4e0d\u8b8a[8]\uff0c\u4e5f\u5c31\u662f\u983b\u7387\u503c\u88ab\u8abf\u5230 k F \u7684\u7b2c k \u500b\u8ae7\u6ce2\u7684\u632f\u5e45 k \u00c3 \uff0c\u5b83\u7684\u503c\u5fc5\u9700\u5f9e\u539f 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\uf03d 2 1 2 1 j m h j h h m h k j j m m k F F F F A \u00c3", | |
| "eq_num": "(5" | |
| } | |
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| "section": "\u4e00\u3001\u524d\u8a00", | |
| "sec_num": null | |
| }, | |
| { | |
| "text": "\u5716 5\u3001\u97f3\u9ad8\u8abf\u5347\u983b\u7387\u503c\u800c\u983b\u8b5c\u5305\u7d61\u4e0d\u8b8a \u63a5\u8457\u8003\u616e\u983b\u7387\u70ba k F \uf025 \u4e4b\u65b0\u8ae7\u6ce2\u7684\u76f8\u4f4d\u53c3\u6578 k \u03b8 \uf025 \uff0c\u5728\u6b64\u6211\u5011\u4e00\u6a23\u4ee5\u983b\u7387\u70ba 1 \uf02d j F , j F , 1 \uf02b j F , 2 \uf02b j F \u4e4b\u56db\u500b\u820a\u8ae7\u6ce2\u7684\u76f8\u4f4d\u503c\uff0c\u4f86\u4f5c Lagrange \u5167\u5dee\u800c\u8a08\u7b97\u51fa k \u03b8 \uf025 \u7684\u503c\u3002\u4e0d\u904e\uff0c\u820a\u8ae7\u6ce2\u7684\u76f8 \u4f4d\u503c\u5728\u4f5c\u5167\u5dee\u4e4b\u524d\u5fc5\u9700\u5148\u7d93\u904e\u76f8\u4f4d\u53cd\u5305\u88f9\u7684\u904b\u7b97\uff0c\u4ee5\u907f\u514d\u76f8\u4f4d\u503c\u767c\u751f\u4e0d\u9023\u7e8c\u7684\u60c5\u6cc1\uff0c\u8a73 \u7d30\u4f5c\u6cd5\u662f\uff0c\u8a08\u7b97 1 \u0135 \u03b8 \uf02d = 1 j \u03b8 \uf02d \uff0c \u0135 \u03b8 = 1 ( ) j \u0135 puw \u03b8,\u03b8 \uf02d \uff0c 1 \u0135 \u03b8 \uf02b = 1 ( ) j \u0135 puw \u03b8 ,\u03b8 \uf02b \uff0c 2 \u0135 \u03b8 \uf02b = 2 1 ( ) j \u0135 puw \u03b8 ,", | |
| "cite_spans": [], | |
| "ref_spans": [], | |
| "eq_spans": [], | |
| "section": "\u4e00\u3001\u524d\u8a00", | |
| "sec_num": null | |
| }, | |
| { | |
| "text": "EQUATION", | |
| "cite_spans": [], | |
| "ref_spans": [], | |
| "eq_spans": [ | |
| { | |
| "start": 0, | |
| "end": 8, | |
| "text": "EQUATION", | |
| "ref_id": "EQREF", | |
| "raw_str": "n k t \uf066 \u8868\u793a\u7b2c k \u500b\u8ae7\u6ce2\u7d2f\u7a4d\u5230\u6642\u523b t \u6642\u7684\u76f8\u4f4d\uff0c ( ) n k f t \u8868\u793a\u7b2c k \u500b\u8ae7\u6ce2\u7684\u6642\u8b8a\u983b\u7387\uff0c\u800c n k \uf071 = 1 ( , ) n n k k puw \uf071 \uf071 \uf02d \uf025 \uff0c\u4e5f\u5c31\u662f n k \uf071 \uf025 \u5c0d 1 n k \uf071 \uf02d \u4f5c\u53cd\u5305\u88f9\u904b\u7b97\u5f8c\u7684\u76f8\u4f4d\u3002 \u7576\u4f7f\u7528\u516c\u5f0f(6)\u4f86\u5408\u6210\u4fe1\u865f\u6a23\u672c\u6642\uff0c\u7d2f\u7a4d\u7684\u76f8\u4f4d\u503c ( ) n k t \uf066 \u901a\u5e38\u6703\u5728\u908a\u754c\u7684\u6642\u9593\u9ede(\u5373 t=0 \u6216 t=100 \u6642)\u4e0a\u767c\u751f\u4e0d\u9023\u7e8c\u7684\u73fe\u8c61\uff0c\u4ea6\u5373 (100) n k \uf066 \uf0b9 1 (0) n k \uf066 \uf02b \uff0c\u9019\u6703\u5c0e\u81f4\u4fe1\u865f\u6ce2\u5f62\u7684\u4e0d\u9023\u7e8c\uff0c\u800c \u8b93\u4eba\u807d\u5230\u5580\u5660\u8072(click)\u3002\u70ba\u4e86\u907f\u514d\u6b64\u7a2e\u76f8\u4f4d\u7684\u4e0d\u9023\u7e8c\uff0c\u6211\u5011\u53ef\u5148\u8a08\u7b97\u51fa\u5728\u908a\u754c\u6642\u9593\u9ede t=100 \u6642\uff0c\u5169\u8005\u76f8\u5dee\u7684\u76f8\u4f4d\u91cf n k \uf078\uff0c\u7136\u5f8c\u628a\u5dee\u7570\u7684\u76f8\u4f4d\u91cf\u5e73\u5747\u5730\u5206\u914d\u7d66\u76f8\u9130\u63a7\u5236\u9ede\u4e4b\u9593\u7684 100 \u500b\u6a23\u672c\u9ede\uff0c\u5982\u6b64\u96a8\u6642\u9593\u7d2f\u7a4d\u7684\u76f8\u4f4d\u5c31\u6703\u8b8a\u5f97\u9023\u7e8c\u4e86\u3002\u5728\u6b64\u6211\u5011\u6240\u63d0\u7528\u4ee5\u8a08\u7b97 n k \uf078 \u7684\u516c \u5f0f\u662f\uff0c \uf028 \uf029 1 1 (100),", | |
| "eq_num": "(0)" | |
| } | |
| ], | |
| "section": "\u4e00\u3001\u524d\u8a00", | |
| "sec_num": null | |
| }, | |
| { | |
| "text": "F F \uf070 \uf066 \uf066 \uf02b \uf03d \uf02b \uf02b \uf025 \uf025 (11) \u6b64\u516c\u5f0f\u662f\u5f9e\u516c\u5f0f(8)\u548c(9)\u4f5c\u53cd\u8986\u5730\u758a\u4ee3\u800c\u5f97\u5230\u3002\u7576\u628a\u76f8\u4f4d\u5dee\u7570\u91cf n k \uf078 \u4f5c\u5e73\u5747\u5206\u914d\u4e4b\u5f8c\uff0c\u516c \u5f0f(6)\u5c31\u53ef\u4ee5\u6539\u5beb\u6210\u70ba \uf028\uf029 \uf028\uf029 0 cos ( ) , 0,1,...,99 100 L n n n k k k k t H t a t t t \uf066 \uf078 \uf03d \uf0e6 \uf0f6 \uf0a2 \uf03d \uf02d \uf0d7 \uf03d \uf0e7 \uf0f7 \uf0e8 \uf0f8 \uf0e5 (12) \u95dc\u65bc L \u7684\u503c\uff0c\u4ee4 L n \u8868\u793a\u7b2c n \u500b\u63a7\u5236\u9ede\u4e0a\u7684\u8ae7\u6ce2\u6210\u5206\u7684\u500b\u6578\uff0c\u4e00\u822c\u4f86\u8aaa L n \u548c L n+1 \u7684\u503c\u53ef \u80fd\u6703\u4e0d\u76f8\u7b49\uff0c\u6b64\u6642\u6211\u5011\u5c31\u4ee4\u516c\u5f0f(6)\u548c(12)\u4e2d\u7684 L \u503c\u70ba L n \u548c L n+1 \u7684\u8f03\u5927\u8005\u3002\u7576 L n \u6bd4 L n+1 \u5c0f\u6642\uff0c\u6211\u5011\u5c31\u9700\u70ba\u7b2c n \u500b\u63a7\u5236\u9ede\u64f4\u589e\u51fa L n+1 -L n \u500b\u8ae7\u6ce2\u6210\u5206\u53ca\u5b9a\u7fa9\u9019\u4e9b\u8ae7\u6ce2\u7684\u53c3\u6578\u503c\uff0c \u4ee5\u4fbf\u80fd\u5920\u5957\u7528\u524d\u8ff0\u7684\u4fe1\u865f\u5408\u6210\u4e4b\u516c\u5f0f\uff0c\u5728\u6b64\u6211\u5011\u57fa\u65bc\u4fe1\u865f\u6ce2\u5f62\u9023\u7e8c\u6027\u7684\u8003\u616e\uff0c\u5c31\u7c21\u55ae\u5730 \u5b9a\u7fa9 n k A \uf025 =0, n k F \uf025 = 1 n k F \uf02b \uf025 , n k \uf071 \uf025 = 1 n k \uf071 \uf02b \uf025 , k = 1+L n , 2+L n , \u2026, L", | |
| "cite_spans": [], | |
| "ref_spans": [], | |
| "eq_spans": [], | |
| "section": "\u4e00\u3001\u524d\u8a00", | |
| "sec_num": null | |
| } | |
| ], | |
| "back_matter": [], | |
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| "content": "<table><tr><td/><td/><td>Syllable Signal Synthesis</td><td/><td/></tr><tr><td/><td colspan=\"2\">Determine phoneme lengths and</td><td/><td/></tr><tr><td/><td colspan=\"2\">construct time-warping function</td><td/><td/></tr><tr><td/><td colspan=\"2\">functionmeters</td><td/><td/></tr><tr><td/><td colspan=\"2\">Determine HNM parameters for</td><td/><td/></tr><tr><td/><td colspan=\"2\">each control point</td><td/><td/></tr><tr><td>Synthesize the long unvoiced as HNM noise signal</td><td>N</td><td>The initial is short unvoiced?</td><td>Y</td><td>Directly copy signal samples of the unvoiced</td></tr><tr><td/><td colspan=\"2\">Voiced part:</td><td/><td/></tr><tr><td colspan=\"4\">Synthesize HNM harmonic signal \u4ee5\u5c11\u6578\u7684\u5012\u983b\u8b5c(cepstrum)\u4fc2\u6578\u4f86\u4ee3\u8868\u6b64\u983b\u8b5c\u5305\u7d61\u3002 Synthesize HNM noise signal</td><td/></tr><tr><td colspan=\"5\">\u7576\u61c9\u7528 HNM \u4f86\u5408\u6210\u570b\u8a9e\u8a9e\u97f3\u6642\uff0c\u6211\u5011\u767c\u73fe\u6709\u5e7e\u500b\u8b70\u984c\uff0c\u5176\u89e3\u6c7a\u65b9\u6cd5\u4e26\u672a\u80fd\u5728 HNM \u7684 stop</td></tr><tr><td colspan=\"5\">\u6587\u737b\u4e0a\u627e\u5230\uff0c\u7b2c\u4e00\u500b\u8b70\u984c\u662f\uff0c\u5982\u4f55\u8b93\u5408\u6210\u7684\u97f3\u7bc0\u4fe1\u865f\uff0c\u4fdd\u6301\u97f3\u8272(timbre)\u7684\u4e00\u81f4\u6027 (consistency)\uff0c\u5373\u97f3\u8272\u4e00\u81f4\u6027\u8b70\u984c\u3002\u7531\u65bc\u6211\u5011\u53ea\u5e0c\u671b\u5c0d\u5404\u7a2e\u570b\u8a9e\u97f3\u7bc0\u9304\u88fd\u4e00\u6b21\u767c\u97f3\uff0c\u7136 \u5716 1\u3001\u57fa\u65bc HNM \u4e4b\u97f3\u7bc0\u4fe1\u865f\u5408\u6210\u65b9\u6cd5\u7684\u4e3b\u8981\u8655\u7406\u6d41\u7a0b</td></tr><tr><td colspan=\"5\">\u5f8c\u900f\u904e\u4fee\u6539\u4e00\u500b\u97f3\u7bc0\u7684\u57fa\u9031\u8ecc\u8de1\u7684\u9ad8\u5ea6\u53ca\u5f62\u72c0\uff0c\u4f86\u5408\u6210\u51fa\u5176\u5b83\u8072\u8abf\u7684\u97f3\u7bc0\u4fe1\u865f\uff0c\u56e0\u6b64\u7576</td></tr><tr><td colspan=\"5\">\u4e00\u500b\u6b32\u5408\u6210\u97f3\u7bc0\u7684\u57fa\u9031\u8ecc\u8de1\u88ab\u6307\u5b9a\u6642\uff0c\u6211\u5011\u5fc5\u9700\u4f7f\u7528\u4e00\u7a2e\u9069\u7576\u7684\u65b9\u6cd5\u4f86\u8abf\u6574 HNM \u5404\u8ae7</td></tr><tr><td colspan=\"5\">\u6ce2\u6210\u5206\u7684\u53c3\u6578\u503c\uff0c\u4ee5\u540c\u6642\u6eff\u8db3\u57fa\u9031\u8ecc\u8de1\u53ca\u97f3\u8272\u4e00\u81f4\u6027\u7684\u8981\u6c42\u3002\u7b2c\u4e8c\u500b\u8b70\u984c\u662f\uff0c\u5c0d\u65bc\u4e00\u500b</td></tr><tr><td colspan=\"5\">\u653e\u7f6e\u65bc\u6b32\u5408\u6210\u97f3\u7bc0\u4e4b\u6642\u9593\u8ef8\u4e0a\u7684\u4e00\u500b\u63a7\u5236\u9ede(control point) [8, 9]\uff0c\u5982\u4f55\u6c7a\u5b9a\u6b64\u63a7\u5236\u9ede\u4e0a</td></tr><tr><td colspan=\"5\">\u7684 HNM \u53c3\u6578\u7684\u6578\u503c\uff0c\u5373\u53c3\u6578\u503c\u8a2d\u5b9a\u4e4b\u8b70\u984c\u3002\u5728\u5408\u6210\u4e00\u500b\u97f3\u7bc0\u7684\u4fe1\u865f\u6642\uff0c\u6211\u5011\u9700\u8981\u8abf\u6574</td></tr><tr><td colspan=\"5\">\u8a72\u97f3\u7bc0\u539f\u59cb\u9304\u97f3\u7684\u97f3\u9577\u4ee5\u6eff\u8db3\u97fb\u5f8b\u55ae\u5143\u6240\u6307\u6d3e\u7684\u5408\u6210\u97f3\u7bc0\u4e4b\u97f3\u9577\uff0c\u56e0\u6b64\u5728\u5408\u6210\u97f3\u7bc0\u6642\u9593</td></tr><tr><td colspan=\"5\">\u8ef8\u4e0a\u7684\u4e00\u500b\u63a7\u5236\u9ede\uff0c\u7576\u5b83\u88ab\u5c0d\u6620(mapping)\u81f3\u4e00\u500b\u4f4d\u65bc\u539f\u59cb\u97f3\u7bc0\u5169\u5206\u6790\u97f3\u6846\u4e4b\u9593\u7684\u6642\u9593</td></tr><tr><td colspan=\"5\">\u9ede\u6642\uff0c\u6211\u5011\u5fc5\u9700\u4f7f\u7528\u4e00\u7a2e\u9069\u7576\u7684\u5167\u5dee\u65b9\u6cd5\u4f86\u8a08\u7b97\u6b64\u63a7\u5236\u9ede\u4e0a\u7684 HNM \u53c3\u6578\u503c\u3002\u6b64\u5916\uff0c\u7b2c</td></tr><tr><td colspan=\"5\">\u4e09\u500b\u8b70\u984c\u662f\uff0c\u5982\u4f55\u6821\u6b63(warp)\u5408\u6210\u97f3\u7bc0\u7684\u6642\u9593\u8ef8\uff0c\u4ee5\u5408\u6210\u51fa\u8f03\u70ba\u6d41\u66a2(fluent)\u7684\u97f3\u7bc0\u53ca\u8a9e</td></tr><tr><td colspan=\"5\">\u53e5\u7684\u4fe1\u865f\uff0c\u4e5f\u5c31\u662f\u6642\u9593\u8ef8\u6821\u6b63\u7684\u8b70\u984c\uff0c\u6b64\u8b70\u984c\u61c9\u662f\u548c\u8a9e\u97f3\u5408\u6210\u8f03\u70ba\u76f8\u95dc\uff0c\u800c\u548c HNM \u7684</td></tr><tr><td colspan=\"5\">\u76f8\u95dc\u6027\u8f03\u5c11\uff0c\u7576\u4e00\u500b\u5408\u6210\u97f3\u7bc0\u7684\u97f3\u9577\u9700\u8981\u4f38\u9577\u6216\u7e2e\u77ed\u6642\uff0c\u4e00\u500b\u7c21\u55ae\u7684\u6642\u9593\u8ef8\u6821\u6b63\u65b9\u6cd5\u662f</td></tr><tr><td colspan=\"5\">\u7dda\u6027\u6821\u6b63(linear warping )\uff0c\u4f46\u6b64\u7a2e\u4f5c\u6cd5\u901a\u5e38\u6703\u5f97\u5230\u8f03\u5dee\u7684\u6d41\u66a2\u5ea6\u3002</td></tr><tr><td colspan=\"5\">\u672c\u6587\u7814\u7a76\u4e86\u524d\u8ff0\u4e09\u9805\u8b70\u984c\u7684\u89e3\u6c7a\u65b9\u6cd5\uff0c\u7136\u5f8c\u518d\u64da\u4ee5\u5efa\u9020\u51fa\u4e00\u500b HNM \u6539\u9032\u3001\u64f4\u5145\u7684\u570b\u8a9e</td></tr><tr><td colspan=\"5\">\u97f3\u7bc0\u4fe1\u865f\u5408\u6210\u7cfb\u7d71\uff0c\u6b64\u7cfb\u7d71\u7684\u4e3b\u8981\u8655\u7406\u6d41\u7a0b\u5982\u5716 1 \u6240\u793a\u3002\u7576\u8981\u5408\u6210\u4e00\u500b\u97f3\u7bc0\u7684\u4fe1\u865f\u6642\uff0c</td></tr><tr><td colspan=\"5\">\u5f88\u660e\u986f\u5730\u6b64\u97f3\u7bc0\u7684\u5404\u500b\u97fb\u5f8b\u53c3\u6578\u503c\u5df2\u7d93\u7531\u97fb\u5f8b\u55ae\u5143\u8a02\u5b9a\u3001\u6307\u6d3e\u597d\u4e86\uff0c\u56e0\u6b64\u5716 1 \u88e1\u7684\u7b2c\u4e00</td></tr><tr><td colspan=\"5\">\u500b\u65b9\u584a\u9996\u5148\u4f5c\u7684\u662f\uff0c\u5c07\u5408\u6210\u97f3\u7bc0\u7684\u97f3\u9577\u898f\u5283\u3001\u5206\u5272\u6210\u6b64\u97f3\u7bc0\u7684\u7d44\u6210\u97f3\u7d20(phoneme)\u7684\u6642</td></tr><tr><td colspan=\"5\">\u9577(duration)\uff0c\u63a5\u8457\u4f9d\u64da\u76f8\u9023\u97f3\u7d20\u7684\u6642\u9577\u4f86\u5efa\u9020\u4e00\u500b\u7247\u65b7\u7dda\u6027(piece-wise linear)\u7684\u6642\u9593\u6821</td></tr><tr><td colspan=\"5\">\u6b63\u51fd\u6578\uff0c\u4ee5\u4fbf\u5c07\u5408\u6210\u97f3\u6642\u9593\u8ef8\u4e0a\u7684\u6642\u9593\u9ede\u5c0d\u6620\u81f3\u539f\u59cb\u97f3\u7684\u6642\u9593\u8ef8\u4e0a\uff1b\u5728\u5716 1 \u88e1\u7684\u7b2c\u4e8c\u500b \u6642\uff0c\u97fb\u5f8b\u7279\u6027\u901a\u5e38\u4e0d\u9700\u8981 \u65b9\u584a\uff0c\u5148\u5747\u52fb\u5730\u5728\u5408\u6210\u97f3\u7684\u6642\u9593\u8ef8\u4e0a\u4f48\u653e\u63a7\u5236\u9ede\uff0c\u7136\u5f8c\u5c0d\u5404\u500b\u63a7\u5236\u9ede\u6c42\u53d6\u8a72\u9ede\u4e0a\u7684 HNM \u4f5c\u5927\u5e45\u5ea6\u7684\u6539\u8b8a\uff0c\u4e26\u4e14 PSOLA \u662f\u4e00\u500b\u5bb9\u6613\u88fd\u4f5c\u3001\u904b\u7b97\u91cf\u5f88\u5c11\u7684\u4fe1\u865f\u5408\u6210\u65b9\u6cd5\uff0c\u5982\u6b64\u60c5 \u53c3\u6578\u503c\uff1b\u63a5\u8457\u5728\u5716 1 \u88e1\u7684\u5f8c\u9762\u4e09\u500b\u65b9\u584a\uff0c\u5c07\u4fe1\u865f\u5206\u985e\u6210\u4e09\u7a2e\u5f62\u614b\u5206\u5225\u53bb\u4f5c\u5408\u6210\u8655\u7406\uff0c\u5c0d \u6cc1\u4e0b PSOLA \u53ef\u8aaa\u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002\u4f46\u662f\uff0c\u57fa\u65bc\u8a9e\u6599\u5eab\u4e4b\u7814\u7a76\u65b9\u5411\u7684\u524d\u63d0\u689d\u4ef6\u662f\uff0c\u8a9e \u65bc\u77ed\u6642\u9593\u7684\u7121\u8072(unvoiced)\u8072\u6bcd(syllable initial)\uff0c\u5176\u4fe1\u865f\u7247\u65b7\u76f4\u63a5\u7531\u539f\u59cb\u97f3\u88e1\u8907\u88fd\u5230\u5408\u6210 \u6599\u8981\u9304\u5f97\u5920\u591a\uff0c\u5426\u5247\u5408\u6210\u51fa\u7684\u8a9e\u97f3\u4fe1\u865f\uff0c\u5728\u67d0\u4e9b\u97f3\u7bc0\u4e4b\u9593\u6703\u51fa\u73fe\u97f3\u8abf\u929c\u63a5\u5f97\u4e0d\u5e73\u9806\u7684\u554f \u97f3\u88e1\uff0c\u5c0d\u65bc\u9577\u6642\u9593\u7684\u7121\u8072\u8072\u6bcd\uff0c\u5176\u4fe1\u865f\u5247\u7576\u4f5c\u662f HNM \u7684\u96dc\u97f3\u4fe1\u865f\u6210\u5206\u4f86\u4f5c\u5408\u6210\uff0c\u81f3\u65bc \u984c\uff0c\u4e26\u4e14\u67d0\u4e9b\u8a9e\u53e5\u5167\u6703\u51fa\u73fe\u8aaa\u8a71\u901f\u5ea6\u5ffd\u5feb\u5ffd\u6162\u7684\u554f\u984c\uff0c\u90a3\u9ebc\u5c31\u4ecd\u7136\u9700\u8981\u4f5c\u8f03\u5927\u5e45\u5ea6\u7684\u97fb \u97f3\u7bc0\u7684\u6709\u8072(voiced)\u90e8\u5206\uff0c\u5305\u62ec\u6709\u8072\u5b50\u97f3\u53ca\u6bcd\u97f3\uff0c\u5247\u5148\u5206\u5225\u5408\u6210\u51fa\u8ae7\u6ce2\u548c\u96dc\u97f3\u6210\u5206\uff0c\u518d \u5f8b\u7279\u6027\u7684\u8abf\u6574\u4e86\u3002\u6b64\u5916\u6211\u5011\u8003\u616e\u5230\uff0c\u6240\u7814\u7a76\u7684\u8a9e\u97f3\u5408\u6210\u6280\u8853\u5e0c\u671b\u53ef\u4ee5\u5f88\u7d93\u6fdf\u5730(\u7bc0\u7701\u4eba \u529b\u3001\u6642\u9593)\u79fb\u8f49\u5230\u5176\u5b83\u8a9e\u8a00(\u5982\u95a9\u5357\u8a9e\u3001\u5ba2\u8a9e)\u53bb\u4f7f\u7528\uff0c\u56e0\u6b64\u6211\u5011\u50be\u5411\u65bc\u63a1\u53d6\u4fe1\u865f\u6a21\u578b(signal \u4f5c\u76f8\u52a0\u3002</td></tr><tr><td colspan=\"5\">model)\u70ba\u57fa\u790e\u7684\u7814\u7a76\u65b9\u5411\uff0c\u800c\u4e0d\u9858\u610f\u63a1\u53d6\u8a9e\u6599\u5eab\u70ba\u57fa\u790e\u7684\u7814\u7a76\u65b9\u5411\u3002</td></tr></table>", | |
| "type_str": "table", | |
| "num": null, | |
| "text": "\u7531\u65bc\u570b\u8a9e\u662f\u4e00\u7a2e\u6709\u8072\u8abf\u7684\u8a9e\u8a00\uff0c\u4e14\u570b\u8a9e\u8072\u8abf\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u4e3b\u8981\u8868\u73fe\u65bc\u97f3\u7bc0\u57fa\u9031\u8ecc\u8de1\u7684\u9ad8 \u5ea6\u548c\u5f62\u72c0\u3002\u56e0\u6b64\u7576\u63a1\u53d6\u4fe1\u865f\u6a21\u578b\u70ba\u57fa\u790e\u7684\u7814\u7a76\u65b9\u5411\u6642\uff0c\u6211\u5011\u9700\u8981\u5c0d\u4e00\u500b\u5408\u6210\u55ae\u5143\u7684\u57fa\u9031 \u8ecc\u8de1\u7684\u9ad8\u5ea6\u53ca\u66f2\u7dda\u5f62\u72c0\u4f5c\u5927\u5e45\u5ea6\u7684\u6539\u8b8a\uff0c\u5982\u6b64 PSOLA \u5c31\u4e0d\u9069\u5408\u4f7f\u7528\u4e86\uff0c\u800c\u5fc5\u9700\u53e6\u5916\u5c0b \u6c42\u6216\u7814\u767c\u9069\u5408\u7684\u4fe1\u865f\u5408\u6210\u6280\u8853\u3002\u6700\u8fd1\u6211\u5011\u767c\u73fe HNM \u662f\u4e00\u500b\u4e0d\u932f\u7684\u57fa\u790e\uff0c\u53ef\u5c0d\u5b83\u4f5c\u6539\u9032 \u800c\u7528\u4f86\u5408\u6210\u570b\u8a9e\u8a9e\u97f3\u7684\u4fe1\u865f\u3002\u6b64\u5916\u6211\u5011\u89ba\u5f97\u8a9e\u6599\u5eab\u70ba\u57fa\u790e\u7684\u7814\u7a76\u65b9\u5411\u88e1\uff0c\u82e5\u8a9e\u6599\u9304\u5f97\u4e0d \u5920\u591a\uff0c\u5247\u4e5f\u53ef\u4ee5\u8003\u616e\u4ee5 HNM \u4f86\u53d6\u4ee3 PSOLA\u3002 HNM \u662f\u7531 Y. Stylianou \u6240\u63d0\u51fa\u7684\u4e00\u7a2e\u8a9e\u97f3\u4fe1\u865f\u7684\u6a21\u578b[5\uff0c6]\uff0c\u5e0c\u671b\u5728\u4f5c\u8a9e\u97f3\u8655\u7406(\u7de8\u78bc\uff0c \u5408\u6210)\u6642\uff0c\u4ecd\u80fd\u4fdd\u6301\u4fe1\u865f\u7684\u6e05\u6670\u5ea6\u8207\u81ea\u7136\u5ea6\u3002HNM \u53ef\u770b\u6210\u662f\u5f26\u6ce2\u6a21\u578b[7]\u7684\u6539\u9032\uff0c\u5b83\u5c0d\u65bc \u8a9e\u97f3\u9ad8\u983b\u90e8\u5206\u7684\u96dc\u97f3(noise)\u4fe1\u865f\u6210\u5206\uff0c\u5efa\u7acb\u4e86\u8f03\u597d\u7684\u6a21\u578b\u3002HNM \u7684\u6a21\u578b\u53c3\u6578\u5206\u6790\u7a0b\u5e8f \u88e1\uff0c\u63d0\u4f9b\u4e86\u6700\u5927\u6709\u8072\u983b\u7387 MVF(maximum voiced frequency) \u7684\u4e00\u500b\u5075\u6e2c\u65b9\u6cd5\uff0c\u4f9d MVF \u503c\u53ef\u5c07\u4e00\u500b\u8a9e\u97f3\u97f3\u6846(frame)\u7684\u983b\u8b5c(spectrum)\u5206\u5272\u6210\u4f4e\u983b\u3001\u9ad8\u983b\u4e4b\u5169\u500b\u90e8\u5206\uff0c\u5c0d\u65bc\u4f4e\u983b \u90e8\u5206\u7684\u4fe1\u865f\u6210\u5206\uff0c\u63a1\u53d6\u4ee5\u8ae7\u6ce2\u6210\u5206(harmonic partials)\u7684\u52a0\u7e3d\u4f86\u6a21\u5f0f\u5316(modeling)\uff0c\u800c\u5c0d\u65bc \u9ad8\u983b\u90e8\u5206\u7684\u4fe1\u865f\u6210\u5206\uff0c\u5247\u63a1\u53d6\u4ee5\u5e73\u6ed1\u7684\u983b\u8b5c\u5305\u7d61(spectral envelope)\u4f86\u6a21\u5f0f\u5316\uff0c\u5be6\u969b\u4e0a\u662f", | |
| "html": null | |
| }, | |
| "TABREF1": { | |
| "content": "<table><tr><td colspan=\"2\">\u65b9\u5f0f\u4f5c\u4f38\u9577\u6216\u7e2e\u77ed\u3002\u7136\u800c\u5728\u5408\u6210\u97f3\u7684\u6709\u8072\u90e8\u5206\uff0c\u76f8\u9130\u7684\u63a7\u5236\u9ede\u6c38\u9060\u662f\u9593\u9694 100 \u500b\u4fe1\u865f\u6a23 4) break; \u672c(4.5ms) \uff0c\u56e0\u6b64\u63a7\u5236\u9ede\u7684\u6578\u91cf\u662f\u7531\u6240\u6307\u6d3e\u7684\u6709\u8072\u90e8\u5206\u4e4b\u6642\u9577\u4f86\u6c7a\u5b9a\uff0c\u81f3\u65bc\u9078\u64c7\u4ee5 100 r = r -0.05; \u500b\u6a23\u672c(\u800c\u4e0d\u7528\u8f03\u5927\u7684\u6578\u503c)\u4f5c\u9593\u9694\uff0c\u662f\u56e0\u70ba\u6211\u5011\u5e0c\u671b\u5c0d\u983b\u8b5c\u7684\u6f14\u9032(progressing)\u4f5c\u8f03\u7cbe\u7d30 } \u7684\u63a7\u5236\u3002 Db = Dm + Dn; if (Dm > 0 && Dm/Db < 0.35) { Dm = 0.35*Db; Dn=Db-Dm; } if (Dn > 0 && Dn/Db < 0.35) { Dn = 0.35*Db; Dm=Db-Dn; } Recorded Syllable, : analysis frame</td></tr><tr><td>Unvoiced part</td><td>Voiced part</td></tr><tr><td colspan=\"2\">\u5982\u679c\u4e00\u500b\u97f3\u7bc0\u7684\u7d50\u69cb\u662f\u548c/san/\u6216/an/\u4e00\u6a23\u7684\uff0c\u4e5f\u5c31\u662f\u7f3a\u5c11\u6709\u8072\u958b\u982d\u7684\u5b50\u97f3\uff0c\u5247\u4e0a\u5217\u7a0b\u5e8f</td></tr><tr><td colspan=\"2\">Dm t ' Unvoiced part Rm Ra Synthetic Syllable, Da \u88e1 Rm \u548c t Dn Voiced part : control point Rn \u5716 3\u3001\u63a7\u5236\u9ede\u81f3\u5206\u6790\u97f3\u6846\u4e4b\u5c0d\u6620</td></tr><tr><td colspan=\"2\">\u5716 2\u3001\u7247\u6bb5\u7dda\u6027\u4e4b\u6642\u9593\u6821\u6b63\u51fd\u6578</td></tr><tr><td colspan=\"2\">\u4e0a\u9762\u7684\u97f3\u7d20\u6642\u9577\u4e4b\u898f\u5283\u7a0b\u5e8f\uff0c\u5176\u6f14\u7b97\u6cd5\u662f\u57fa\u65bc\u4e00\u500b\u89c0\u5bdf\uff0c\u5373\u6709\u8072\u5b50\u97f3\u9577\u5ea6\u5c0d\u65bc\u6bcd\u97f3\u9577\u5ea6</td></tr><tr><td colspan=\"2\">\u7684\u6bd4\u503c (Rm + Rn) / Rv\uff0c\u5728\u53e5\u5b50\u88e1\u767c\u97f3\u7bc0/man/\u7684\uff0c\u6703\u6bd4\u55ae\u7368/man/\u97f3\u7bc0\u767c\u97f3\u7684\u5c0f\u8a31\u591a\u3002\u76ee</td></tr><tr><td colspan=\"2\">\u524d\u6211\u5011\u50c5\u4ee5\u7c21\u55ae\u7684\u7a0b\u5e8f\u4f86\u6a21\u64ec\u6b64\u73fe\u8c61\uff0c\u4e26\u4e14\u6642\u9593\u6821\u6b63\u51fd\u6578\u4e5f\u7c21\u55ae\u5730\u8a2d\u5b9a\u70ba\u5982\u5716 2 \u7684\u7247\u6bb5</td></tr><tr><td colspan=\"2\">\u7dda\u6027\u4e4b\u578b\u5f0f\uff0c\u672a\u4f86\u6211\u5011\u5c07\u63a1\u53d6\u53e6\u4e00\u7a2e\u8f03\u70ba\u7cfb\u7d71\u5316\u7684\u65b9\u6cd5\uff0c\u4f86\u7814\u7a76\u5408\u6210\u97f3\u7bc0\u548c\u539f\u59cb\u97f3\u7bc0\u4e4b</td></tr><tr><td colspan=\"2\">\u9593\u7684\u6642\u9593\u5c0d\u6620\u554f\u984c\u3002\u4e0d\u904e\uff0c\u6211\u5011\u8a8d\u70ba\u5373\u4f7f\u53ea\u7528\u7c21\u55ae\u7684\u6642\u9593\u6821\u6b63\u51fd\u6578\uff0c\u4ecd\u7136\u53ef\u8b93\u6d41\u66a2\u5ea6\u7372</td></tr><tr><td>\u5f97\u660e\u986f\u7684\u6539\u9032\u3002</td><td/></tr><tr><td>\u4e09\u3001\u63a7\u5236\u9ede\u53ca\u5176 HNM \u53c3\u6578\u7684\u8a2d\u5b9a</td><td/></tr><tr><td>3.1 \u63a7\u5236\u9ede\u4e4b\u4f48\u653e</td><td/></tr><tr><td colspan=\"2\">\u6211\u5011\u9304\u88fd\u570b\u8a9e\u97f3\u7bc0\u4fe1\u865f\u7684\u53d6\u6a23\u7387\u662f 22,050Hz\uff0c\u5c0d\u65bc\u4fe1\u865f\u4f5c HNM \u7684\u53c3\u6578\u5206\u6790\u6642\uff0c\u8a2d\u5b9a\u97f3</td></tr><tr><td colspan=\"2\">\u6846\u7684\u9577\u5ea6\u70ba 512 \u500b\u6a23\u672c\u9ede(23.2ms)\uff0c\u4e14\u97f3\u6846\u6bcf\u6b21\u524d\u9032 256 \u500b\u6a23\u672c\u9ede\u3002\u53e6\u4e00\u65b9\u9762\u5728\u4f5c\u97f3\u7bc0</td></tr><tr><td colspan=\"2\">\u4fe1\u865f\u7684\u5408\u6210\u6642\uff0c\u6211\u5011\u63a1\u53d6\u4e86\u96fb\u8166\u97f3\u6a02\u5408\u6210\u88e1\u5e38\u7528\u7684\u89c0\u5ff5--\u63a7\u5236\u9ede[8, 9]\uff0c\u9019\u88e1\u5206\u5225\u4f7f\u7528 \u301d\u97f3</td></tr><tr><td colspan=\"2\">\u6846\u301e\u548c\u301d\u63a7\u5236\u9ede\u301e\u5169\u540d\u8a5e\uff0c\u85c9\u4ee5\u6307\u51fa\u5728\u5408\u6210\u97f3\u7bc0\u6709\u8072\u90e8\u5206\u7684\u6642\u9593\u8ef8\u4e0a\u6240\u4f48\u653e\u7684\u63a7\u5236\u9ede\uff0c</td></tr><tr><td colspan=\"2\">\u5b83\u4e0a\u9762\u7684 HNM \u53c3\u6578\uff0c\u4e26\u4e0d\u662f\u5f9e\u67d0\u4e00\u97f3\u6846\u6240\u5206\u6790\u51fa\u7684 HNM \u53c3\u6578\u76f4\u63a5\u8907\u88fd\u904e\u4f86\uff0c\u800c\u662f\u62ff</td></tr><tr><td colspan=\"2\">\u5169\u500b\u5c0d\u61c9\u97f3\u6846\u7684 HNM \u53c3\u6578\u4f86\u4f5c\u5167\u5dee\u800c\u6c42\u5f97\u7684\uff0c\u4e0d\u904e\u5728\u5408\u6210\u9577\u6642\u9593\u7684\u7121\u8072\u5b50\u97f3\u6642\uff0c\u6211\u5011</td></tr><tr><td colspan=\"2\">\u5c31\u53ea\u6709\u7c21\u55ae\u5730\u628a\u4e00\u500b\u97f3\u6846\u5206\u6790\u51fa\u7684 HNM \u53c3\u6578\u6307\u6d3e\u7d66\u4e00\u500b\u5c0d\u61c9\u7684\u63a7\u5236\u9ede\u3002\u9019\u5169\u7a2e HNM</td></tr><tr><td colspan=\"2\">\u53c3\u6578\u7684\u8a2d\u5b9a\u65b9\u5f0f\uff0c\u4ee5\u5206\u5225\u5c0d\u4ed8\u6709\u8072\u90e8\u5206\u548c\u9577\u6642\u9593\u7121\u8072\u90e8\u5206\uff0c\u5c31\u5982\u5716 3 \u88e1\u7684\u5716\u5f62\u6240\u8868\u793a\u7684\u3002</td></tr><tr><td colspan=\"2\">\u5f9e\u5716 3 \u4e5f\u53ef\u770b\u51fa\uff0c\u5728\u5408\u6210\u97f3\u7684\u7121\u8072\u5b50\u97f3\u90e8\u5206\uff0c\u6240\u4f48\u653e\u7684\u63a7\u5236\u9ede\u7684\u6578\u91cf\uff0c\u5176\u5be6\u5c31\u662f\u539f\u59cb\u97f3</td></tr><tr><td colspan=\"2\">\u88e1\u7121\u8072\u5b50\u97f3\u90e8\u5206\u7684\u97f3\u6846\u7684\u6578\u91cf\uff0c\u56e0\u6b64\u5408\u6210\u97f3\u7684\u7121\u8072\u90e8\u5206\u7684\u6642\u9577\u8abf\u6574\uff0c\u53ea\u662f\u7c21\u55ae\u5730\u4ee5\u7dda\u6027</td></tr></table>", | |
| "type_str": "table", | |
| "num": null, | |
| "text": "Rn \u6beb\u79d2(ms)\uff0c\u4e14\u6709\u8072\u90e8 \u5206\u7684\u7e3d\u9577\u5ea6\u662f Rv = Rm + Ra + Rn\uff0c\u53e6\u5916\u4ee4\u5408\u6210\u97f3\u7bc0\u88e1\uff0c\u9019\u4e09\u500b\u5c0d\u61c9\u7684\u97f3\u7d20\u7684\u6642\u9577\u503c\u5206\u5225 \u662f\uff0cDm\u3001Da\u3001Dn\uff0c\u4e14\u4ee4 Dv = Dm + Da + Dn\uff0c\u5247\u6211\u5011\u898f\u5283 Dm\u3001Da\u3001Dn \u6578\u503c\u7684\u4f5c\u6cd5\u5c31 \u5982\u4e0b\u5217\u7684\u7a0b\u5e8f\uff1a Dm \u7684\u503c\u53ef\u76f4\u63a5\u8a2d\u70ba 0\uff1b\u76f8\u540c\u5730\u5982\u679c\u97f3\u7bc0\u7684\u7d50\u69cb\u662f\u548c/ma/\u6216/sa/\u4e00\u6a23\uff0c\u5373\u6c92\u6709\u7d50 \u5c3e\u7684\u9f3b\u97f3\uff0c\u5247\u4e0a\u5217\u7a0b\u5e8f\u88e1 Rn \u548c Dn \u7684\u503c\u4e5f\u53ef\u76f4\u63a5\u8a2d\u70ba 0\u3002\u7576 Dm\u3001Da\u3001Dn \u7684\u503c\u8a2d\u5b9a\u597d \u4e4b\u5f8c\uff0c\u5c31\u53ef\u4ee5\u5c07\u5408\u6210\u97f3\u88e1\u7684\u6709\u8072\u97f3\u7d20\u4f9d\u5e8f\u5c0d\u61c9\u81f3\u539f\u59cb\u97f3\u88e1\u7684\u6709\u8072\u97f3\u7d20\uff0c\u800c\u5efa\u9020\u51fa\u5982\u5716 2 \u6240\u793a\u7684\u7247\u65b7\u7dda\u6027\u4e4b\u6642\u9593\u6821\u6b63\u51fd\u6578\u3002", | |
| "html": null | |
| }, | |
| "TABREF5": { | |
| "content": "<table><tr><td>n+1 \u3002 \u5c0d\u65bc\u4f4d\u65bc\u63a7\u5236\u9ede n \u548c n+1 \u4e4b\u9593\u7684\u96dc\u97f3\u4fe1\u865f N(t)\uff0c\u5728\u5408\u6210\u8655\u7406\u4e0a\u6211\u5011\u4ee5\u56fa\u5b9a\u983b\u7387\u9593\u8ddd\u7684\u591a 4.2 \u96dc\u97f3\u4fe1\u865f\u5408\u6210 \u500b\u5f26\u6ce2\u4fe1\u865f\u6210\u5206\u7684\u52a0\u7e3d\u4f86\u8a08\u7b97 N(t)\u7684\u6a23\u672c\u503c[5]\u3002\u4ee4 G k \u8868\u793a\u7b2c k \u500b\u5f26\u6ce2\u7684\u983b\u7387\uff0c\u7531\u65bc G k \u503c\u4e0d\u6703\u96a8\u8457\u6642\u9593 t \u6539\u8b8a\uff0c\u56e0\u6b64\u4e0d\u9700\u5340\u5206\u662f\u5728\u90a3\u4e00\u500b\u63a7\u5236\u9ede\u4e0a\u7684\uff0c\u5728\u6b64\u4ee4 G k \u4ee3\u8868\u7684\u503c\u662f 100\uf0d7 k (Hz)\uff0c\u9019\u6a23 G k \u7684\u4e0b\u6a19 k \u7684\u8d77\u59cb\u503c\u5c31\u4e0d\u662f 1 \u4e86\uff0c\u4e14\u5404\u63a7\u5236\u9ede\u4e0a\u7684\u8d77\u59cb\u503c\u4e5f\u53ef\u80fd\u6703\u4e0d \u4e00\u6a23\uff0c\u56e0\u6b64\u6211\u5011\u4ee5 n s K \u8868\u793a\u7b2c n \u500b\u63a7\u5236\u9ede\u4e0a\u4e0b\u6a19 k \u7684\u8d77\u59cb\u503c\uff0c\u5b83\u5176\u5be6\u53ef\u7531\u63a7\u5236\u9ede\u7684 MVF \u503c\u4f86\u8a08\u7b97\u5f97\u5230\uff0c\u5373 n s K = \uf0ec MVF(n) / 100\uf0fc \uff1b\u6b64\u5916\uff0c\u4e0b\u6a19 k \u7684\u7d42\u503c\u662f\u4e00\u500b\u56fa\u5b9a\u503c\uff0c e K =\uf0ee 11,025 / 100\uf0fe \uff0c\u56e0\u70ba G k \u4e0d\u53ef\u5927\u65bc\u53d6\u6a23\u7387\u7684\u4e00\u534a\u3002 \u53e6\u5916\uff0c\u5728\u7b2c n \u500b\u548c\u7b2c n+1 \u500b\u63a7\u5236\u9ede\u4e4b\u9593\uff0c\u7b2c k \u500b\u5f26\u6ce2\u7684\u632f\u5e45\u6211\u5011\u4ee5 ( ) n k b t \u8868\u793a\uff0c\u9019\u8868\u793a \u5b83\u7684\u503c\u6703\u96a8\u8457\u6642\u9593 t \u5728\u6539\u8b8a\uff0c\u5be6\u969b\u4e0a\u5b83\u662f\u4f9d\u64da\u6642\u9593\u908a\u754c\u9ede(\u5373\u7b2c n \u548c\u7b2c n+1 \u63a7\u5236\u9ede)\u4e0a\u7684 \u632f\u5e45\u53c3\u6578 n k B \u4f86\u4f5c\u7dda\u6027\u8abf\u6574\u7684\uff0c\u81f3\u65bc n k http:/\u672c\u6587\u4ee5 HNM \u70ba\u57fa\u790e\uff0c\u8003\u616e\u4e86\u4e09\u500b\u8b70\u984c\uff0c\u5373(1)\u5982\u4f55\u4fdd\u6301\u97f3\u8272\u7684\u4e00\u81f4\u6027\uff0c(2)\u5982\u4f55\u6c7a\u5b9a\u63a7 \u5236\u9ede\u4e0a\u7684 HNM \u53c3\u6578\u503c\uff0c(3)\u5982\u4f55\u6821\u6b63\u5408\u6210\u97f3\u7bc0\u7684\u6642\u9593\u8ef8\u3002\u7531\u65bc\u6bcf\u4e00\u7a2e\u570b\u8a9e\u97f3\u7bc0(\u4e0d\u5340\u5206 \u8072\u8abf)\uff0c\u90fd\u53ea\u9304\u3001\u5b58\u4e00\u6b21\u767c\u97f3\u800c\u5df2\uff0c\u6240\u4ee5\u5fc5\u9700\u4f5c\u57fa\u9031\u8ecc\u8de1\u7684\u8abf\u6574\uff0c\u9019\u5c31\u5f15\u767c\u4e86\u97f3\u8272\u4e00\u81f4 B \u51fa n k B \u7684\u503c\u3002 \u7576\u76f8\u9130\u7684\u5169\u500b\u63a7\u5236\u9ede\u4e0a\u7684\u5f26\u6ce2\u8d77\u59cb\u7de8\u865f n s K \u548c\u5f26\u6ce2\u632f\u5e45\u503c n k B \u90fd\u7b97\u51fa\u4e4b\u5f8c\uff0c\u63a5\u8457\u5c31\u53ef\u7528\u9019 \u4e9b\u53c3\u6578\u503c\u4f86\u5408\u6210\u9019\u5169\u500b\u63a7\u5236\u9ede\u4e4b\u9593\u7684\u96dc\u97f3\u4fe1\u865f\uff0c\u6211\u5011\u4fee\u6b63\u5f8c\u7684\u8a08\u7b97\u516c\u5f0f\u70ba\uff0c \uf028\uf029 \uf028\uf029 \uf028 \uf029 cos 2 22, 050 , 0,1,...,99 , e s K n n k k k k K N t b t t G t \uf067 \uf070 \uf03d \uf03d \uf02b \uf0d7 \uf03d \uf0e5 (13) 1 ( ) ( ) , 100 n n n n k k k k t b t B B B \uf02b \uf03d \uf02b \uf02d (14) 1 100 2 22, 050 , n n k k k G \uf067 \uf067 \uf070 \uf02d \uf03d \uf02b \uf0d7 (15) \u5176\u4e2d s K \u8a2d\u5b9a\u6210 n s K \u548c 1 n s K \uf02b \u4e2d\u7684\u8f03\u5c0f\u8005\uff0c n k \uf067 \u8868\u793a\u7b2c n \u500b\u63a7\u5236\u9ede\u4e0a\u7b2c k \u500b\u5f26\u6ce2\u7684\u521d\u59cb\u76f8\u4f4d \u503c\u3002 \u95dc\u65bc\u5716 1 \u548c 3 \u88e1\u9577\u6642\u9593\u7121\u8072\u5b50\u97f3\u4fe1\u865f\u7684\u5408\u6210\uff0c\u516c\u5f0f(13)\u3001(14)\u548c(15)\u4ecd\u7136\u53ef\u88ab\u4f7f\u7528\uff0c\u4e0d\u904e\uff0c \u516c\u5f0f(13)\u9996\u5148\u4ee5\u89c0\u5bdf\u8072\u7d0b\u5716(spectrogram)\u7684\u65b9\u5f0f\u4f86\u6bd4\u8f03\u9019\u5169\u7a2e\u5408\u6210\u65b9\u6cd5\u3002\u5169\u65b9\u6cd5\u5206\u5225\u53bb\u5408\u6210\u51fa\u570b \u8a9e\u77ed\u53e5\u301d\u65cb\u8f49\u529b\u301e/syuen-2 zhuan-3 li-4/\u7684\u8a9e\u97f3\u4fe1\u865f\uff0c\u7136\u5f8c\u4ee5\u8072\u7d0b\u5206\u6790\u8edf\u9ad4(\u5728\u6b64\u4f7f\u7528 /zhuan-3/ /li-4/ \u5716 6\u3001HNM \u64f4\u5145\u6cd5\u6240\u5408\u6210\u4fe1\u865f\u7684\u8072\u7d0b\u5716 /syuen-2/ /zhuan-3/ /li-4/ \u5716 7\u3001TIPW \u6cd5\u6240\u5408\u6210\u4fe1\u865f\u7684\u8072\u7d0b\u5716 \u800c\u5982\u679c\u662f\u660e\u986f\u5730\u597d\u6216\u597d\u5f88\u591a\u5247\u7d66 2 \u5206(-2 \u5206)\uff0c\u7d50\u679c\u6211\u5011\u5f97\u5230\u7684\u5e73\u5747\u5206\u6578\u662f 1.53 \u5206\uff0c\u4e5f\u5c31 \u662f HNM \u64f4\u5145\u6cd5\u6703\u5408\u6210\u51fa\u6bd4\u8f03\u6e05\u6670\u7684\u8a9e\u97f3\u3002\u53e6\u5916\uff0c\u70ba\u4e86\u8b93\u6709\u8208\u8da3\u8005\u80fd\u5920\u8a66\u807d\u9019\u5169\u7a2e\u65b9\u6cd5 \u6240 \u5408 \u6210 \u51fa \u7684 \u8a9e \u97f3 \u4fe1 \u865f \uff0c \u6211 \u5011 \u8a2d \u5b9a \u4e86 \u4e00 \u500b \u7db2 \u9801 \u4ee5 \u4f9b \u4eba \u700f \u89bd \uff0c \u5176 \u7db2 \u5740 \u662f \u9593\u8ef8\u4e0a\u5747\u52fb\u4f48\u653e\u7684\u63a7\u5236\u9ede\uff0c\u5404\u9ede\u4e0a\u7684 HNM \u53c3\u6578\u5c31\u6703\u6709\u6578\u503c\u8a02\u5b9a\u7684\u554f\u984c\uff1b\u6b64\u5916\uff0c\u8981\u63d0\u5347 \u5408\u6210\u97f3\u7bc0\u7684\u6d41\u66a2\u5ea6\uff0c\u5c31\u6703\u727d\u6d89\u5230\u5408\u6210\u97f3\u7bc0\u6642\u9593\u8ef8\u7684\u6821\u6b63\u554f\u984c\u3002\u672c\u6587\u5c0d\u524d\u8ff0\u7684\u4e09\u500b\u8b70\u984c\uff0c \u5206\u5225\u63d0\u51fa\u4e86\u53ef\u884c\u7684\u89e3\u6c7a\u65b9\u6cd5\uff0c\u5728\u6b64\u7a31\u5b83\u5011\u6574\u9ad4\u70ba HNM \u64f4\u5145\u4e4b\u97f3\u7bc0\u4fe1\u865f\u5408\u6210\u6cd5\u3002 \u70ba\u4e86\u6aa2\u9a57\u6240\u63d0\u51fa\u7684\u65b9\u6cd5\u7684\u6548\u80fd\uff0c\u6211\u5011\u5df2\u628a\u5b83\u88fd\u4f5c\u6210\u53ef\u5373\u6642\u57f7\u884c\u4e4b\u8edf\u9ad4\uff0c\u7136\u5f8c\u5c07\u5b83\u5408\u6210\u51fa \u7684\u8a9e\u97f3\u6ce2\u5f62\uff0c\u548c\u53e6\u4e00\u7a2e TIPW \u6cd5\u6240\u5408\u6210\u7684\uff0c\u53bb\u4f5c\u8072\u7d0b\u6bd4\u8f03\u548c\u807d\u89ba\u6e2c\u8a66\uff0c\u521d\u6b65\u7d50\u679c\u986f\u793a\uff0c \u672c\u6587\u63d0\u51fa\u7684\u5408\u6210\u65b9\u6cd5\u7684\u78ba\u53ef\u660e\u986f\u5730\u63d0\u5347\u5408\u6210\u8a9e\u97f3\u7684\u54c1\u8cea(\u8f03\u6e05\u6670\u3001\u7121\u8ff4\u97f3)\u3002 \u96d6\u7136\u672c\u6587\u6240\u63d0\u7684 HNM \u64f4\u5145\u4e4b\u5408\u6210\u6cd5\uff0c\u5df2\u53ef\u660e\u986f\u5730\u63d0\u5347\u5408\u6210\u8a9e\u97f3\u7684\u6e05\u6670\u5ea6\uff0c\u4f46\u662f\u6240\u5408\u6210 \u7684\u3001\u4f9b\u807d\u6e2c\u7528\u7684\u8a9e\u97f3\u4fe1\u865f\u6a94\u6848\uff0c\u807d\u8d77\u4f86\u4ecd\u7136\u4ee4\u4eba\u89ba\u5f97\u6709\u5f88\u5f37\u7684\u6a5f\u5668\u5473\u9053\uff0c\u5176\u4e3b\u8981\u539f\u56e0\u61c9 \u662f\u97fb\u5f8b\u53c3\u6578\u503c\u7684\u7522\u751f\u6a21\u578b\u4e0d\u4f73\u6240\u9020\u6210\uff0c\u4f8b\u5982\u97f3\u7bc0\u7684\u97f3\u91cf\u548c\u97f3\u9577\u6578\u503c\u53ea\u662f\u4f9d\u64da\u5e7e\u500b\u7c21\u55ae\u898f \u5247\u4f86\u4f5c\u6c7a\u5b9a\u800c\u5df2\uff0c\u56e0\u6b64\u672a\u4f86\u6211\u5011\u5c07\u518d\u7814\u7a76\u97fb\u5f8b\u6a21\u578b\u6539\u9032\u7684\u554f\u984c\u3002 wavesurfer)\u4f5c\u5206\u6790\u4f86\u5f97\u5230\u8072\u7d0b\u5716\uff0c\u5716 6 /syuen-2/ \u53c3\u8003\u6587\u737b</td></tr><tr><td>\u6027\u7684\u554f\u984c\uff1b\u518d\u8005\uff0c\u5408\u6210\u97f3\u7bc0\u7684\u97f3\u9577\u53ef\u80fd\u548c\u539f\u59cb\u97f3\u7bc0\u7684\u97f3\u9577\u76f8\u5dee\u5f88\u591a\uff0c\u5982\u6b64\u5728\u5408\u6210\u97f3\u7bc0\u6642</td></tr></table>", | |
| "type_str": "table", | |
| "num": null, | |
| "text": "\u53c3\u6578\u7684\u6c42\u53d6\u65b9\u5f0f\u662f\uff0c\u5148\u5c07\u7b2c n \u500b\u63a7\u5236\u9ede\u4e0a\u7684 10 \u500b\u5012\u983b\u8b5c\u4fc2\u6578\u88dc\u4e0a\u4e00\u5e8f\u5217\u7684\u96f6\uff0c\u4f7f\u6210\u70ba 2048 \u500b\u6578\u503c\u7684\u5e8f\u5217\uff0c\u7136\u5f8c\u4f5c\u53cd\u5411 DFT(discrete Fourier trandform)\u8f49\u63db\uff0c\u53d6\u6307\u6578\uff0c\u800c\u5f97\u5230\u983b\u8b5c\u4fc2\u6578\uff0cX j , j=0, 1, \u2026, 2047\uff0c\u63a5\u8457\u4f9d G k \u627e\u51fa \u5169\u500b\u76f8\u9130\u7684 X j \uff0c\u5176\u4e0b\u6a19 j \u4ee3\u8868\u7684\u983b\u7387\u503c\u6703\u5305\u542b G k \uff0c\u7136\u5f8c\u5c0d\u9019\u5169\u500b X j \u4f5c\u7dda\u6027\u5167\u5dee\uff0c\u4f86\u6c42 \u88e1\u7684\u4e0b\u6a19 k\uff0c\u5b83\u7684\u8d77\u59cb\u503c\u5c31\u8981\u6539\u6210 1 \u4e86\uff0c\u9019\u76f8\u7576\u65bc\u8a2d\u5b9a MVF \u4e4b\u503c\u70ba 0Hz\u3002 \u4e94\u3001\u4fe1\u865f\u5408\u6210\u5be6\u9a57\u548c\u807d\u89ba\u6e2c\u8a66 \u7531\u65bc\u6578\u5e74\u524d\u6211\u5011\u66fe\u63d0\u51fa\u4e00\u500b\u6539\u9032\u7684 PSOLA \u8b8a\u7a2e\u4e4b\u5408\u6210\u65b9\u6cd5\uff0c\u7a31\u70ba TIPW[10]\uff0c\u56e0\u6b64\u6211\u5011 \u60f3\u8981\u6bd4\u8f03 TIPW \u6cd5\u548c\u672c\u6587\u7814\u7a76\u7684 HNM \u64f4\u5145\u4e4b\u5408\u6210\u6cd5\uff0c\u5169\u8005\u5728\u4fe1\u865f\u6e05\u6670\u5ea6\u4e0a\u7684\u8868\u73fe\uff0c\u5982 \u679c\u4e00\u500b\u5408\u6210\u7684\u8a9e\u97f3\u4fe1\u865f\u807d\u8d77\u4f86\u8f03\u4e0d\u5435\u96dc(noisy)\u3001\u8f03\u7121\u8ff4\u97f3(reverberant)\uff0c\u5247\u5b83\u53ef\u8aaa\u662f\u5177\u6709 \u8f03\u9ad8\u7684\u6e05\u6670\u5ea6\u3002\u9019\u88e1\u6211\u5011\u4e3b\u8981\u95dc\u5fc3\u7684\u662f\u5408\u6210\u4fe1\u865f\u7684\u6e05\u6670\u5ea6\uff0c\u56e0\u6b64\u5728\u6587\u53e5\u5206\u6790\u548c\u97fb\u5f8b\u53c3\u6578 \u7522\u751f\u65b9\u9762\u5c31\u4f7f\u7528\u76f8\u540c\u7684\u7a0b\u5f0f\u6a21\u7d44[11, 12]\u3002\u81f3\u65bc\u8a9e\u97f3\u55ae\u5143\uff0c\u5169\u7a2e\u5408\u6210\u6cd5\u4e00\u6a23\u90fd\u4f7f\u7528\u570b\u8a9e \u97f3\u7bc0\u70ba\u55ae\u5143\uff0c\u4e26\u4e14\u90fd\u4e0d\u4f5c\u55ae\u5143\u9078\u64c7\uff0c\u56e0\u70ba\u6bcf\u4e00\u7a2e\u570b\u8a9e\u97f3\u7bc0\u90fd\u53ea\u5b58\u4e86\u4e00\u904d\u5e73\u8abf\u7684\u767c\u97f3\u3002\u7576 \u4f7f\u7528\u4e00\u53f0 CPU \u70ba Pentium 2.6GHz \u7684\u96fb\u8166\u4f86\u4f5c\u8a9e\u97f3\u4fe1\u865f\u7684\u5408\u6210\u8655\u7406\u6642\uff0c\u9019\u5169\u7a2e\u5408\u6210\u65b9\u6cd5 \u90fd\u53ef\u4ee5\u88ab\u5373\u6642\u5730\u57f7\u884c\uff0c\u4e0d\u904e\u57f7\u884c\u901f\u5ea6\u662f\u6709\u5dee\u7570\u7684\uff0cHNM \u64f4\u5145\u4e4b\u5408\u6210\u6cd5\u7684\u57f7\u884c\u901f\u5ea6\u53ea\u6709 3 \u500d\u7684\u5373\u6642\u901f\u5ea6\uff0c\u5373\u5408\u6210 30 \u79d2\u7684\u8a9e\u97f3\u4fe1\u865f\u9700\u82b1\u8cbb 10 \u79d2\u7684 CPU \u6642\u9593\uff0c\u800c TIPW \u5408\u6210\u6cd5 \u7684\u901f\u5ea6\u53ef\u4ee5\u5feb\u5230 20 \u500d\u7684\u5373\u6642\u901f\u5ea6\uff0c\u5373\u5408\u6210 30 \u79d2\u7684\u8a9e\u97f3\u50c5\u9700\u82b1\u8cbb 1.5 \u79d2\u7684 CPU \u6642\u9593\u3002 \u7684\u8072\u7d0b\u662f\u5c0d HNM \u64f4\u5145\u6cd5\u6240\u5408\u6210\u7684\u4fe1\u865f\u4f5c\u5206\u6790\u800c \u5f97\u5230\uff0c\u5716 7 \u7684\u5247\u662f\u5c0d TIPW \u6cd5\u5408\u6210\u7684\u4fe1\u865f\u4f5c\u5206\u6790\u800c\u5f97\u5230\u3002\u5f9e\u5716 6 \u548c 7 \u6211\u5011\u53ef\u89c0\u5bdf\u5012\uff0c\u5716 7 \u88e1\u7684\u8ae7\u6ce2\u7d0b\u8def\u986f\u5f97\u6bd4\u5716 6 \u88e1\u7684\u8f03\u70ba\u96f6\u788e\u3001\u8f03\u591a\u65b7\u88c2\u7684\u5730\u65b9\uff0c\u4e26\u4e14\u5716 6 \u88e1\u7684\u8ae7\u6ce2\u689d\u7d0b\u8f03 \u70ba\u5e73\u6ed1\uff0c\u800c\u4e0d\u50cf\u5716 7 \u88e1\u7684\u986f\u5f97\u6709\u4e00\u4e9b\u6bdb\u71e5\u3001\u626d\u66f2\uff0c\u56e0\u6b64 HNM \u64f4\u5145\u6cd5\u5408\u6210\u51fa\u7684\u4fe1\u865f\u61c9\u6703 \u6bd4 TIPW \u6cd5\u7684\u6e05\u6670\u3002 \u6b64\u5916\uff0c\u6211\u5011\u9078\u4e86\u4e00\u7bc7\u77ed\u6587\u4f86\u8b93\u9019\u5169\u7a2e\u65b9\u6cd5\u53bb\u5408\u6210\u51fa\u8a9e\u97f3\u4fe1\u865f\uff0c\u4e26\u4e14\u5b58\u6210\u6ce2\u5f62\u6a94\u6848\uff0c\u77ed\u6587 \u662f\u4e00\u7bc7\u5c0f\u5b78\u751f\u7684\u4f5c\u6587\uff0c\u6709 132 \u500b\u97f3\u7bc0\u3002\u63a5\u8457\u6211\u5011\u5c07\u9019\u5169\u500b\u6ce2\u5f62\u6a94\u4ee5\u96a8\u6a5f\u6b21\u5e8f\u64ad\u653e\u7d66 15 \u4f4d\u53c3\u52a0\u807d\u89ba\u6e2c\u8a66\u8005\u8046\u807d\uff0c\u7136\u5f8c\u8acb\u4ed6\u5011\u5c0d\u524d\u3001\u5f8c\u64ad\u653e\u7684\u6a94\u6848\u4f5c\u6e05\u6670\u5ea6\u7684\u6bd4\u8f03\uff0c\u8a55\u5206\u7684\u898f\u5247 \u662f\uff0c\u5169\u8005\u7121\u6cd5\u5340\u5206\u6642\u7d66 0 \u5206\uff0c\u5982\u679c\u5f8c\u8005(\u524d\u8005)\u6bd4\u524d\u8005(\u5f8c\u8005)\u7a0d\u597d\u4e00\u4e9b\uff0c\u5247\u7d66 1 \u5206(-1 \u5206)\uff0c /guhy.csie.ntust.edu.tw/hmtts/hnm-demo.html\u3002 \u516d\u3001\u7d50\u8a9e", | |
| "html": null | |
| } | |
| } | |
| } | |
| } |