JP6204684B2 - 音響信号再生装置 - Google Patents
音響信号再生装置 Download PDFInfo
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- JP6204684B2 JP6204684B2 JP2013079623A JP2013079623A JP6204684B2 JP 6204684 B2 JP6204684 B2 JP 6204684B2 JP 2013079623 A JP2013079623 A JP 2013079623A JP 2013079623 A JP2013079623 A JP 2013079623A JP 6204684 B2 JP6204684 B2 JP 6204684B2
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Description
11 デマルチプレクサ
12 復号化部
13 再生チャンネル変換部
14 スピーカ
15 再生時間調整部
20 音響信号作成装置
21 ミキサ
22 符号化部
23 マルチプレクサ(多重化部)
Claims (3)
- 複数の音響空間層を含むマルチチャンネル音響信号の再生装置であって、
前記マルチチャンネル音響信号に含まれるメタデータは、音響空間層の数と、各音響空間層のチャンネル数及び内容と、それぞれの音響空間層における各音響チャンネル信号の配置と、各音響空間層の時分割された複数の再生時間と、を含み、
前記メタデータに記載された各音響空間層の前記再生時間に基づき、時分割して送信される前記音響空間層のうち、前記再生時間に対応する音響チャンネル信号のみを復号化する復号化部と、
前記復号化された音響チャンネル信号を再生時間に合わせて再生する再生時間調整部と、
を備える音響信号再生装置。 - 前記メタデータに含まれる各音響空間層の前記内容に基づいて、同一内容の音響空間層がグループとして規定され、前記復号化部は、前記グループのうち選択された音響空間層に含まれる音響チャンネル信号のみを復号化する、請求項1に記載の音響信号再生装置。
- 前記復号化部は、前記選択された音響空間層の音響チャンネル信号が無音となる区間は、前記グループに含まれる他の音響空間層の音響チャンネル信号を復号化する、請求項2に記載の音響信号再生装置。
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JP2013079623A JP6204684B2 (ja) | 2013-04-05 | 2013-04-05 | 音響信号再生装置 |
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JP2013079623A JP6204684B2 (ja) | 2013-04-05 | 2013-04-05 | 音響信号再生装置 |
Publications (2)
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JP2014204323A JP2014204323A (ja) | 2014-10-27 |
JP6204684B2 true JP6204684B2 (ja) | 2017-09-27 |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07264144A (ja) * | 1994-03-16 | 1995-10-13 | Toshiba Corp | 信号圧縮符号化装置および圧縮信号復号装置 |
JP2002185928A (ja) * | 2000-12-08 | 2002-06-28 | Baku:Kk | サウンド同期画像再生方法、サウンド同期画像再生機能付きのコンピュータによって読み取り可能な記憶媒体、及び、サウンド同期画像作成方法 |
EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
US8908874B2 (en) * | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
TWI651005B (zh) * | 2011-07-01 | 2019-02-11 | 杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
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