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The experimental results demonstrate that the proposed method makes it possible to significantly improve speech quality in the converted singing voice while preserving the conversion accuracy of singer identity compared to the conventional SVC .
 method, SVC; speech quality, method; speech quality, SVC; conversion accuracy of singer identity, method; conversion accuracy of singer identity, SVC
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 method, SVC; speech quality, method; speech quality, SVC; conversion accuracy of singer identity, method; conversion accuracy of singer identity, SVC