JP2015512528A5 - - Google Patents

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JP2015512528A5
JP2015512528A5 JP2015501583A JP2015501583A JP2015512528A5 JP 2015512528 A5 JP2015512528 A5 JP 2015512528A5 JP 2015501583 A JP2015501583 A JP 2015501583A JP 2015501583 A JP2015501583 A JP 2015501583A JP 2015512528 A5 JP2015512528 A5 JP 2015512528A5
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excitation
tonal
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JP2015512528A (ja
JP6306565B2 (ja
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Priority claimed from PCT/KR2013/002372 external-priority patent/WO2013141638A1/ko
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Claims (5)

  1. 信号分類結果に基づき、現在フレームが音声信号に当るか否かを1次的に判断する段階と、
    前記現在フレームが前記音声信号に当らない場合、トーナル特性に基づき、前記フレームがノイズ信号に当るか、トーナル信号に当るかを2次的に判断する段階と、
    前記1次的及び2次的判断結果に基づき、前記現在フレームの励起クラスを生成する段階と
    含む励起クラス方法。
  2. 前記励起クラスは、複数の励起クラスの1つであり、前記複数の励起クラスは、音声クラス、トーナル(tonal)音楽クラスと非トーナル(non−tonal)音楽クラスを含む請求項1に記載の方法。
  3. 前記2次的に判断する段階は、前記トーナル特性を基準値と比較することで行われる請求項1に記載の方法。
  4. 前記励起クラスを生成する段階は、前記1次的に判断した結果に対応して、音声クラスを生成する段階を含む請求項1に記載の方法。
  5. 前記励起クラスを生成する段階は、前記2次的に判断した結果に対応して、トーナル(tonal)音楽クラスと非トーナル(non−tonal)音楽クラスを生成する段階を含む請求項1または4に記載の方法。
JP2015501583A 2012-03-21 2013-03-21 帯域幅拡張のための高周波数符号化/復号化方法及びその装置 Active JP6306565B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261613610P 2012-03-21 2012-03-21
US61/613,610 2012-03-21
US201261719799P 2012-10-29 2012-10-29
US61/719,799 2012-10-29
PCT/KR2013/002372 WO2013141638A1 (ko) 2012-03-21 2013-03-21 대역폭 확장을 위한 고주파수 부호화/복호화 방법 및 장치

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JP2018042308A Division JP6673957B2 (ja) 2012-03-21 2018-03-08 帯域幅拡張のための高周波数符号化/復号化方法及びその装置

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JP2015512528A JP2015512528A (ja) 2015-04-27
JP2015512528A5 true JP2015512528A5 (ja) 2016-05-19
JP6306565B2 JP6306565B2 (ja) 2018-04-04

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JP2018042308A Active JP6673957B2 (ja) 2012-03-21 2018-03-08 帯域幅拡張のための高周波数符号化/復号化方法及びその装置

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Country Status (8)

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US (3) US9378746B2 (ja)
EP (2) EP3611728A1 (ja)
JP (2) JP6306565B2 (ja)
KR (3) KR102070432B1 (ja)
CN (2) CN104321815B (ja)
ES (1) ES2762325T3 (ja)
TW (2) TWI591620B (ja)
WO (1) WO2013141638A1 (ja)

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