| { |
| "paper_id": "O09-2004", |
| "header": { |
| "generated_with": "S2ORC 1.0.0", |
| "date_generated": "2023-01-19T08:11:04.893450Z" |
| }, |
| "title": "\u4e0d\u9700\u5e73\u884c\u8a9e\u6599\u800c\u57fa\u65bc\u5171\u632f\u5cf0\u8207 \u4e0d\u9700\u5e73\u884c\u8a9e\u6599\u800c\u57fa\u65bc\u5171\u632f\u5cf0\u8207 \u4e0d\u9700\u5e73\u884c\u8a9e\u6599\u800c\u57fa\u65bc\u5171\u632f\u5cf0\u8207 \u4e0d\u9700\u5e73\u884c\u8a9e\u6599\u800c\u57fa\u65bc\u5171\u632f\u5cf0\u8207\u7dda\u983b\u8b5c\u983b\u7387\u6620\u5c0d\u4e4b \u7dda\u983b\u8b5c\u983b\u7387\u6620\u5c0d\u4e4b \u7dda\u983b\u8b5c\u983b\u7387\u6620\u5c0d\u4e4b \u7dda\u983b\u8b5c\u983b\u7387\u6620\u5c0d\u4e4b \u8a9e\u8005\u7279\u8cea\u8f49\u63db\u7cfb\u7d71 \u8a9e\u8005\u7279\u8cea\u8f49\u63db\u7cfb\u7d71 \u8a9e\u8005\u7279\u8cea\u8f49\u63db\u7cfb\u7d71 \u8a9e\u8005\u7279\u8cea\u8f49\u63db\u7cfb\u7d71 A Voice Conversion System based on Formant and LSF Mapping without Using Parallel Corpus", |
| "authors": [ |
| { |
| "first": "Chia-Yu", |
| "middle": [], |
| "last": "\u5433\u5609\u5f67", |
| "suffix": "", |
| "affiliation": {}, |
| "email": "" |
| }, |
| { |
| "first": "", |
| "middle": [], |
| "last": "Wu", |
| "suffix": "", |
| "affiliation": {}, |
| "email": "" |
| }, |
| { |
| "first": "Hsiao-Chuan", |
| "middle": [], |
| "last": "\u738b\u5c0f\u5ddd", |
| "suffix": "", |
| "affiliation": {}, |
| "email": "" |
| }, |
| { |
| "first": "", |
| "middle": [], |
| "last": "Wang", |
| "suffix": "", |
| "affiliation": {}, |
| "email": "hcwang@ee.nthu.edu.tw" |
| } |
| ], |
| "year": "", |
| "venue": null, |
| "identifiers": {}, |
| "abstract": "Voice conversion has been used in many applications. The methods based on vector quantization codebook and Gaussian mixture models need dynamic time warping on parallel sentence corpus for generating mapping functions. Recent study tries to use less training data, and even without parallel sentence corpus. This paper presents a voice conversion method without using parallel sentence corpus. It applies the formant mapping and line spectral frequency mapping to accomplish a voice conversion system.", |
| "pdf_parse": { |
| "paper_id": "O09-2004", |
| "_pdf_hash": "", |
| "abstract": [ |
| { |
| "text": "Voice conversion has been used in many applications. The methods based on vector quantization codebook and Gaussian mixture models need dynamic time warping on parallel sentence corpus for generating mapping functions. Recent study tries to use less training data, and even without parallel sentence corpus. This paper presents a voice conversion method without using parallel sentence corpus. It applies the formant mapping and line spectral frequency mapping to accomplish a voice conversion system.", |
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| "section": "Abstract", |
| "sec_num": null |
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| "body_text": [ |
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| "text": ") 1 ( 2 f F ) F 2 f ( ) F 2 f ( ) F ( F F F ) F (F ) F (F ) F ( F F F ) F (F ) F (F ) F ( F F 0 F F ) ( s s3 s3 s t3 s s3 t3 s3 s2 s2 s3 t2 t3 s2 t2 s2 s1 s1 s2 t1 t2 s1 t1 s1 s1 t1 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f3 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f4 \uf8f2 \uf8f1 \u2264 < \u2212 \u2212 \u00d7 \u2212 + \u2264 < \u2212 \u2212 \u00d7 \u2212 + \u2264 < \u2212 \u2212 \u00d7 \u2212 + \u2264 < \u00d7 = f f f f f f f f f F \u672c\u7814\u7a76\u5728\u9032\u884c\u5171\u632f\u5cf0\u8f49\u63db\u5f8c\uff0c\u642d\u914d\u5f8c\u7e8c\u7684\u7dda\u983b\u8b5c\u983b\u7387\u8f49\u63db\uff0c\u85c9\u8457\u76f8\u5c0d\u4f4e\u968e(\u548c[7]\u76f8 \u6bd4)\u7684\u7dda\u983b\u8b5c\u983b\u7387\u7dda\u6027\u5c0d\u61c9\uff0c\u5728\u7dda\u983b\u8b5c\u983b\u7387\u8f49\u63db\u6642\u6240\u7528\u7684\u591a\u500b\u55ae\u97f3\u7bc0\u5206\u7fa4\u52a0\u6b0a\u5e73\u5747\uff0c\u964d \u4f4e\u56e0\u70ba\u4e0d\u7a69\u5b9a\u55ae\u97f3\u7bc0\u9020\u6210\u7684\u5f71\u97ff\uff0c\u4f7f\u983b\u8b5c\u8868\u73fe\u8f03\u5e73\u6ed1\uff0c\u8b93\u8f49\u63db\u80fd\u7dad\u6301\u8f49\u63db\u76f8\u4f3c\u5ea6\u548c\u8a9e\u97f3 \u54c1\u8cea\u7684\u5e73\u8861\u3002 \u56db\u3001\u4ee5\u7dda\u983b\u8b5c\u983b\u7387\u7279\u6027\u505a\u7dda\u983b\u8b5c\u983b\u7387\u8f49\u63db \u7dda\u983b\u8b5c\u983b\u7387\u70ba\u7dda\u6027\u9810\u4f30\u5206\u6790\u4e2d\u5e38\u7528\u5230\u7684\u53c3\u6578\uff0c\u53ef\u4ee5\u7a69\u5b9a\u7684\u8868\u73fe\u51fa\u8072\u97f3\u7684\u983b\u57df\u7279\u6027\u3002 \u900f\u904e\u5206\u6790\u4f86\u6e90\u548c\u76ee\u6a19\u8a9e\u8005\u7684\u7dda\u983b\u8b5c\u983b\u7387\uff0c\u5c07 404 \u500b\u570b\u8a9e\u55ae\u97f3\u7bc0\u8a9e\u6599\u5206\u6210 K \u7fa4\uff0c\u5c0d\u9019 K \u7fa4( K = 32 )\u8cc7\u6599\u6c42\u51fa\u5404\u968e\u7dda\u983b\u8b5c\u983b\u7387\u7684\u5c0d\u61c9\u8f49\u63db\u51fd\u5f0f\u3002 \u5716\u56db\u3001 \u7dda\u983b\u8b5c\u983b\u7387\u8f49\u63db\u793a\u610f\u5716 \u5716\u56db\u4e2d\u7684 k s [1] L \u3001 k s [2] L \u5230 k s [ ] L P \u662f\u4f86\u6e90\u8a9e\u8005\u7684 P \u968e( P = 16)\u7dda\u983b\u8b5c\u983b\u7387\uff0c\u76f4\u63a5\u5c0d\u61c9\u5230\u76ee\u6a19 \u8a9e\u8005\u7684 P \u968e( P = 16)\u7dda\u983b\u8b5c\u983b\u7387\uff0c k t [1] L \u3001 k t [2] L \u3001\u2027\u2027\u2027\u3001 k t [ ] L P \u30020 \u548c \u03c0 \u662f\u908a\u754c\u689d\u4ef6\uff0c ) 3 ( ] 1 [ ] 1 [ ) 2 ( 0 ] 0 [ ] 0 [ \u03c0 = + = + = = P L P L L L k t k s k t k s k s [1] L k s [2] L k s [ ] L P \u03c0 \u03c0 k t [ ] L P k t [2] L \u5c0d\u61c9\u95dc\u4fc2 \u76ee\u6a19\u8a9e\u8005\u7dda\u983b\u8b5c\u983b\u7387 0 \u4f86\u6e90\u8a9e\u8005\u7dda\u983b\u8b5c\u983b\u7387 k t [1] L (4)\u5f0f\u548c(5)\u5f0f\u63cf\u8ff0\u524d\u5f8c\u968e\u7684\u7dda\u983b\u8b5c\u983b\u7387\u61c9\u7b26\u5408\u540c\u4e00\u7dda\u6027\u5c0d\u61c9\u51fd\u5f0f ( ) \u2022 k j f \u3002 ) 5 ( ) 4 ( ] [ ]) [ ( ] 1 [ ]) 1 [ ( j L j L f j L j L f k t k s k j k t k s k j = \u2212 = \u2212 k s L \u548c k t L \u5206\u5225\u4ee3\u8868\u4f86\u6e90\u8a9e\u8005\u548c\u76ee\u6a19\u8a9e\u8005\u7684\u7b2c k \u7fa4\u7dda\u983b\u8b5c\u983b\u7387\u503c\u3002\u4f86\u6e90\u8a9e\u6599\u7dda\u983b\u8b5c\u983b\u7387\u503c ] [i x \u82e5\u662f\u5728\u7b2c j-1 \u5230 j \u968e\u7bc4\u570d\uff0c\u5c31\u8981\u5957\u9032\u8f49\u63db\u51fd\u5f0f ( ) \u2022 k j f \uff0c ] [ i y \u5373\u70ba\u8f49\u63db\u5f8c\u7684\u7dda\u983b\u8b5c\u983b\u7387\u3002 ) 7 ( ] [ ]) [ ( ] [ ) 6 ( ] [ ], 1 [ ] [ k j k j k j k s k s b i x a i x f i y j L j L i x + = = \u2212 \u2208 \u82e5\u4f7f\u7528\u7684\u7dda\u6027\u9810\u4f30\u968e\u6578\u70ba P\uff0c\u8981\u9032\u884c\u8f49\u63db\u5fc5\u9808\u5148\u6c42\u51fa\u9019 K \u7fa4\u8f49\u63db\u53c3\u6578 k j a \u8207 k j b \uff0cj = 1, 2, \u2026, P+1\uff0ck = 1, 2, \u2026, K\u3002\u6bcf\u7fa4\u8cc7\u6599\u53ef\u4ee5\u4f7f\u7528 P+1 \u500b\u6700\u5c0f\u5e73\u65b9\u5dee\u89e3\u9032\u884c\uff0c\u5148\u5c07(2)\u5f0f\u5230 (7)\u5f0f\u7684\u5167\u5bb9\u8868\u793a\u6210 P+1 \u500b\u5f0f\u5b50\uff0c ) 8 ( 1 , , 2 , 1 ] [ ] [ ] 1 [ ] 1 [ + = \uf8f4 \uf8f3 \uf8f4 \uf8f2 \uf8f1 = + \u00d7 \u2212 = + \u2212 \u00d7 P j j L b j L a j L b j L a k t k j k s k j k t k j k s k j L \u7c21\u5316\u6210\u77e9\u9663\u51fd\u5f0f\uff0c ) 9 ( 1 , , 2 , 1 + = = P j T A S k j k j k j L \u5176\u4e2d \u5229\u7528\u516c\u5f0f T S S S A T T 1 ) ( \u2212 = \uff0c\u5373\u53ef\u6c42\u51fa\u7b2c k \u7fa4\u6240\u9700\u7684\u53c3\u6578 k j a \u8207 k j b \uff0cj = 1, 2, \u2026, P+1\u3002 \u4f86\u6e90\u8a9e\u6599\u6bcf\u4e00\u500b\u97f3\u6846\u7684\u7dda\u983b\u8b5c\u983b\u7387\u9032\u884c\u8f49\u63db\u524d\uff0c\u5fc5\u9808\u5148\u5c07\u5176\u7d93\u904e\u4e00\u500b\u5206\u7fa4\u52a0\u6b0a\uff0c\u5f97 \u5230\u5c0d\u9019 K \u7fa4\u7684\u500b\u5225\u52a0\u6b0a\u503c\uff0c ) (x w k \uff0c\u518d\u4e58\u4e0a\u8a72\u7fa4\u7684\u8f49\u63db\uff0c\u9019\u500b\u65b0\u7684 ] [ i y \u624d\u662f\u6b64\u90e8\u5206\u8f49 \u63db\u7684\u8f38\u51fa\u3002 ) 10 ( ]) [ ( ) ( ] [ 1 \u2211 = = K k k j k i x f x w i y ) (x w k \u662f\u4f7f\u7528\u99ac\u6c0f\u8ddd\u96e2(Mahalanobis distance)\u8a08\u7b97\u5f97\u5230\u3002 ) 11 ( ) ( 1 ) ( 1 ) ( 1 \u2211 = = K n n k k x d x d x w (11)\u5f0f\u4e2d\u7684 ) (x d k \u5373\u70ba\u99ac\u6c0f\u8ddd\u96e2\uff0c ) 12 ( )] ( ) ( ) [( ) ( 1 \u03b3 k s k s T k s k L x L x x d \u2212 \u2212 = \u2212 \u2211 \uf8fa \uf8fa \uf8fb \uf8f9 \uf8ef \uf8ef \uf8f0 \uf8ee = k j k j k j b a A \uf8fa \uf8fb \uf8f9 \uf8ef \uf8f0 \uf8ee \u2212 = ] [ ] 1 [ j L j L T k t k t k j \uf8fa \uf8fb \uf8f9 \uf8ef \uf8f0 \uf8ee \u2212 = 1 ] [ 1 ] 1 [ j L j L S k s k s k j (12)\u5f0f\u4e2d\u7684 \u2211 k s \u70ba ] 1 [ k s L \u5230 ] [P L", |
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| "sec_num": null |
| }, |
| { |
| "text": "\u2211 = \u2212 \u2212 \u0398 = ) (z X \u662f\u8a9e\u97f3\u8a0a\u865f\uff0c 0 \u0398 \u662f\u589e\u76ca\u5e38\u6578\uff0c ) (z E \u662f\u6fc0\u767c\u8a0a\u865f\u3002\u5206\u6bcd\u7684 \u2211 = \u2212 \u2212 P j j j z", |
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| "sec_num": null |
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| { |
| "text": "EQUATION", |
| "cite_spans": [], |
| "ref_spans": [], |
| "eq_spans": [ |
| { |
| "start": 0, |
| "end": 8, |
| "text": "EQUATION", |
| "ref_id": "EQREF", |
| "raw_str": "\u5148\u8b93\u53d7\u6e2c\u8005\u807d\u5169\u4f4d\u8a9e\u8005(A \u548c B\uff0c\u53e5\u5b50\u5167\u5bb9\u76f8\u540c)\u7684\u539f\u59cb\u8a9e\u6599\uff0c\u518d\u8acb\u53d7\u6e2c\u8005\u807d\u4e00\u500b\u672a \u77e5\u8a9e\u6599( X\uff0c\u53e5\u5b50\u5167\u5bb9\u4e0d\u540c\u65bc A \u548c B)\uff0c\u6b64\u672a\u77e5\u8a9e\u6599\u53ef\u80fd\u662f\u8f49\u63db\u5f8c\u7684\u8a9e\u6599(\u7531 A \u8f49 B \u6216\u7531 B \u8f49 A)\uff0c\u4e5f\u53ef\u80fd\u662f\u5169\u4f4d\u8a9e\u8005\u7684\u5176\u4ed6\u8a9e\u6599(A \u6216 B \u7684\u5176\u4ed6\u53e5\u5b50)\uff0c\u76f8\u4f3c\u5ea6\u90e8\u5206\u6709\u4e94 \u500b\u9078\u9805\uff0c\u4e0d\u4f9d\u9078\u9805\u5927\u5c0f\u5224\u65b7\u76f8\u4f3c\u8207\u5426\uff0c\u800c\u662f\u8981\u518d\u5f9e\u9078\u9805\u5167\u5bb9\u5224\u65b7\u3002 \u8868\u4e8c\u3001 \u76f8\u4f3c\u5ea6\u9078\u9805\u4f9d\u64da (A \u70ba\u6b63\u78ba\u7b54\u6848) 5 X \u807d\u8d77\u4f86\u80af\u5b9a\u662f A 4 X \u807d\u8d77\u4f86\u63a5\u8fd1 A\uff0c\u4f46\u4e0d\u78ba\u5b9a\u662f\u5426\u771f\u7684\u662f A 3 \u7121\u6cd5\u5206\u8fa8 X \u6bd4\u8f03\u50cf A \u9084\u662f B 2 X \u807d\u8d77\u4f86\u63a5\u8fd1 B\uff0c\u4f46\u4e0d\u78ba\u5b9a\u662f\u5426\u771f\u7684\u662f B 1 X \u807d\u8d77\u4f86\u80af\u5b9a\u662f B", |
| "eq_num": "(3)" |
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| "section": "", |
| "sec_num": null |
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| "back_matter": [], |
| "bib_entries": { |
| "BIBREF0": { |
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