JP2008033230A5 - - Google Patents
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- JP2008033230A5 JP2008033230A5 JP2007035662A JP2007035662A JP2008033230A5 JP 2008033230 A5 JP2008033230 A5 JP 2008033230A5 JP 2007035662 A JP2007035662 A JP 2007035662A JP 2007035662 A JP2007035662 A JP 2007035662A JP 2008033230 A5 JP2008033230 A5 JP 2008033230A5
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- JP
- Japan
- Prior art keywords
- parameter
- audio
- signal
- audio data
- loss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005236 sound signal Effects 0.000 claims 3
- 230000003044 adaptive Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
Claims (2)
音声データ中にロスを検出し、音声データデコーダがロス部分を補間する音声信号を出力する前に前記ロス後の音声フレームを受信したかを検出するロスディテクタと、
前記ロス後に受信した前記音声フレームを復号して復号音声信号を生成する前記音声データデコーダと、
前記復号音声信号の時間を反転させてパラメータを抽出する音声データアナライザと、
前記パラメータに所定の修正を行うパラメータ修正部と、
修正された前記パラメータを用いて合成音声信号を生成する音声合成部と、を備える音声データ復号装置。 An audio data decoding device,
A loss detector for detecting loss in the audio data and detecting whether the audio data decoder has received the lost audio frame before outputting an audio signal for interpolating the loss part;
The audio data decoder for decoding the audio frame received after the loss and generating a decoded audio signal;
An audio data analyzer for extracting parameters by inverting the time of the decoded audio signal;
A parameter correction unit for performing a predetermined correction on the parameter;
A speech data decoding device comprising: a speech synthesizer that generates a synthesized speech signal using the modified parameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007035662A JP5056048B2 (en) | 2007-02-16 | 2007-02-16 | Audio data decoding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007035662A JP5056048B2 (en) | 2007-02-16 | 2007-02-16 | Audio data decoding device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006204781 Division | 2006-07-27 | 2006-07-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008033230A JP2008033230A (en) | 2008-02-14 |
JP2008033230A5 true JP2008033230A5 (en) | 2009-07-09 |
JP5056048B2 JP5056048B2 (en) | 2012-10-24 |
Family
ID=39122680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007035662A Expired - Fee Related JP5056048B2 (en) | 2007-02-16 | 2007-02-16 | Audio data decoding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5056048B2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005157045A (en) * | 2003-11-27 | 2005-06-16 | Matsushita Electric Ind Co Ltd | Voice transmission method |
-
2007
- 2007-02-16 JP JP2007035662A patent/JP5056048B2/en not_active Expired - Fee Related
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