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    • 1. 发明授权
    • Word or collocation emphasizing voice synthesizer
    • 词或搭配强调语音合成器
    • US07454345B2
    • 2008-11-18
    • US11063758
    • 2005-02-23
    • Hitoshi SasakiYasushi YamazakiYasuji OtaKaori EndoNobuyuki KataeKazuhiro Watanabe
    • Hitoshi SasakiYasushi YamazakiYasuji OtaKaori EndoNobuyuki KataeKazuhiro Watanabe
    • G10L13/00
    • G10L13/08G10L13/04G10L13/10
    • A voice synthesizer, which obtains a voice by emphasizing a specific part of a sentence, includes an emphasis degree deciding unit that extracts a word or a collocation to be emphasized from among respective words or respective collocations on the basis of an extracting reference with respect to the each word or the each collocation included in a sentence and deciding an emphasis degree of the extracted word or the extracted collocation, an acoustic processing unit that synthesizes a voice having an emphasis degree which is decided by the emphasis degree deciding unit applied to the word to be emphasized or the collocation to be emphasized, whereby the emphasized part of the word or the collocation can be obtained automatically on the basis of the extracting reference, such as a frequency of appearance and a level of importance of the word or the collocation.
    • 通过强调句子的特定部分来获取语音的语音合成器包括:强调度决定单元,其基于相对于所述语句的提取参考,从各个单词或各个搭配中提取要强调的单词或搭配 包括在句子中的每个单词或每个搭配,并且决定所提取的单词或所提取的搭配的强调程度;声学处理单元,其将由强调度决定单元决定的强调度的声音合成到该单词中 要强调的搭配,或者要强调的搭配,从而可以基于提取参考(例如出现的频率和单词的重要性或搭配的水平)自动获得单词或搭配的强调部分。
    • 2. 发明申请
    • Audio coder
    • 音频编码器
    • US20050278174A1
    • 2005-12-15
    • US11185302
    • 2005-07-20
    • Hitoshi SasakiYasuji Ota
    • Hitoshi SasakiYasuji Ota
    • G10L19/02H03M7/38
    • G10L19/032
    • An audio coder that improves audio quality by reducing a quantization error. When a code corresponding to a sampled value of an audio signal is determined, a candidate code storage section stores all combinations of candidate codes in a neighborhood interval of the sampled value. A local decoder generates reproduced signals by decoding the codes stored in the candidate code storage section. An error evaluation section calculates, for each candidate code, a sum of squares of differentials between input sampled values and reproduced signals, detects a combination of candidate codes by which a smallest sum is obtained, that is to say, which minimizes a quantization error, and outputs a code included in the detected combination of candidate codes.
    • 一种通过减少量化误差来提高音频质量的音频编码器。 当确定与音频信号的采样值相对应的代码时,候选代码存储部分将候选代码的所有组合存储在采样值的邻域间隔中。 本地解码器通过解码存储在候选代码存储部分中的代码来产生再现信号。 误差评估部分针对每个候选代码计算输入采样值和再现信号之间的差分的平方和,检测获得最小和的候选代码的组合,即将量化误差最小化的组合, 并且输出检测到的候选代码的组合中包括的代码。
    • 3. 发明授权
    • Audio coder
    • 音频编码器
    • US07072830B2
    • 2006-07-04
    • US11185302
    • 2005-07-20
    • Hitoshi SasakiYasuji Ota
    • Hitoshi SasakiYasuji Ota
    • G10L19/04
    • G10L19/032
    • An audio coder that improves audio quality by reducing a quantization error. When a code corresponding to a sampled value of an audio signal is determined, a candidate code storage section stores all combinations of candidate codes in a neighborhood interval of the sampled value. A local decoder generates reproduced signals by decoding the codes stored in the candidate code storage section. An error evaluation section calculates, for each candidate code, a sum of squares of differentials between input sampled values and reproduced signals, detects a combination of candidate codes by which a smallest sum is obtained, that is to say, which minimizes a quantization error, and outputs a code included in the detected combination of candidate codes.
    • 一种通过减少量化误差来提高音频质量的音频编码器。 当确定与音频信号的采样值相对应的代码时,候选代码存储部分将候选代码的所有组合存储在采样值的邻域间隔中。 本地解码器通过解码存储在候选代码存储部分中的代码来产生再现信号。 误差评估部分针对每个候选代码计算输入采样值和再现信号之间的差分的平方和,检测获得最小和的候选代码的组合,即将量化误差最小化的组合, 并且输出检测到的候选代码的组合中包括的代码。
    • 9. 发明授权
    • Voice speed control apparatus
    • 语音速度控制装置
    • US07672840B2
    • 2010-03-02
    • US11653952
    • 2007-01-17
    • Hitoshi SasakiHiroshi KatayamaRika Nishiike
    • Hitoshi SasakiHiroshi KatayamaRika Nishiike
    • G10L21/04G10L11/02
    • G11B27/005G10L21/04G10L25/93
    • A voice speed control apparatus comprising: an utterance/non-utterance judging unit judging whether a processing target segment in inputted a voice signal is an utterance segment or a non-utterance segment; a non-utterance continuation length acquiring unit acquiring a non-utterance continuation length representing a length of the voice signal judged continuously to be the non-utterance; a determining unit determining a reproducing speed of the processing target segment in the voice signal in accordance with the non-utterance continuation length so that the reproducing speed gets higher as the non-utterance continuation length gets larger and so that an increase in reproducing speed is restrained to a greater degree as the non-utterance continuation length becomes smaller; and a changing unit changing the reproducing speed of the voice signal, corresponding to the reproducing speed.
    • 一种话音速度控制装置,包括:发声/非发声判断单元,判断输入的语音信号中的处理目标片段是话音段还是非话音段; 非话语连续长度获取单元获取表示连续判断为非话语的语音信号的长度的非话语连续长度; 确定单元,根据非话语连续长度来确定语音信号中的处理目标段的再现速度,使得再现速度随着非话语连续长度变大而变高,并且再现速度的增加是 随着非话语连续长度变小,限制在更大程度上; 以及改变单元,改变对应于再现速度的语音信号的再现速度。