JP4729859B2 - 音響効果装置 - Google Patents
音響効果装置 Download PDFInfo
- Publication number
- JP4729859B2 JP4729859B2 JP2004084929A JP2004084929A JP4729859B2 JP 4729859 B2 JP4729859 B2 JP 4729859B2 JP 2004084929 A JP2004084929 A JP 2004084929A JP 2004084929 A JP2004084929 A JP 2004084929A JP 4729859 B2 JP4729859 B2 JP 4729859B2
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- Prior art keywords
- waveform
- pitch
- signal
- original
- waveform signal
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Description
12 ピッチ変換(波形処理)部
12a 波形切り出し部
12b 再合成部
13 ランダムジェネレータ
Claims (2)
- 入力された音響波形信号のピッチを抽出する分析手段と、
該抽出したピッチに基づく窓関数で前記入力された音響波形信号を切り出し、該切り出した波形を非周期的なトリガタイミングで重畳加算し、これにより前記入力された音響波形信号のフォルマント特性を持つノイズ信号を生成する波形処理手段と
を具備し、前記入力された音響波形信号に前記生成されたノイズ信号を付加することができるようにしたことを特徴とする音響効果装置。 - 前記入力された音響波形信号に前記生成されたノイズ信号を付加する前に、該生成されたノイズ信号をフィルタ処理する手段を更に具備する請求項1に記載の音響効果装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004084929A JP4729859B2 (ja) | 2004-03-23 | 2004-03-23 | 音響効果装置 |
Applications Claiming Priority (1)
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JP2004084929A JP4729859B2 (ja) | 2004-03-23 | 2004-03-23 | 音響効果装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005274721A JP2005274721A (ja) | 2005-10-06 |
JP4729859B2 true JP4729859B2 (ja) | 2011-07-20 |
Family
ID=35174497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004084929A Expired - Fee Related JP4729859B2 (ja) | 2004-03-23 | 2004-03-23 | 音響効果装置 |
Country Status (1)
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JP (1) | JP4729859B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05204397A (ja) * | 1991-09-03 | 1993-08-13 | Yamaha Corp | 音声分析合成装置 |
JPH05108097A (ja) * | 1991-10-19 | 1993-04-30 | Ricoh Co Ltd | 音声合成装置 |
JPH08202395A (ja) * | 1995-01-31 | 1996-08-09 | Matsushita Electric Ind Co Ltd | ピッチ変換方法およびその装置 |
JPH10198380A (ja) * | 1996-12-30 | 1998-07-31 | Roland Corp | 波形発生装置 |
JPH1113990A (ja) * | 1997-06-23 | 1999-01-22 | Jatco Corp | 動力伝達部材 |
JP3502268B2 (ja) * | 1998-06-16 | 2004-03-02 | ヤマハ株式会社 | 音声信号処理装置及び音声信号処理方法 |
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2004
- 2004-03-23 JP JP2004084929A patent/JP4729859B2/ja not_active Expired - Fee Related
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JP2005274721A (ja) | 2005-10-06 |
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