書誌事項
- タイトル別名
-
- Spatial Coding of Multi-channel Audio Signals in Sound Field Reproduction
- オンジョウ サイゲン ニ オケル マルチチャネル シンゴウ ノ クウカン フゴウカ
この論文をさがす
抄録
The sound field reproduction technique based on the Huygens's principle is important to realize auditory virtual reality. However, it is necessary to transmit many multi-channel signals. In this paper, a new spatial coding technique for the multi-channel signals is proposed to reduce transmission bit rate. Source signals are extracted by convolving the inverse transfer function calulated from a room transfer function to the channel signals at an encoded side. At a decoded side, channel signals are reconstructed by convolving the room transfer function to the extracted source signals. As a result, the size of data to be transmitted is reduced from the number of channels to that of sound sources. A coding experiment was performed for a real sound field. It was confirmed by subjective assessment that the perceptual distortion of the coding had little effect on the perceptual quality of sound field even if the source signals are not completely extracted.
収録刊行物
-
- 日本バーチャルリアリティ学会論文誌
-
日本バーチャルリアリティ学会論文誌 8 (4), 433-442, 2003
特定非営利活動法人 日本バーチャルリアリティ学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390282679441656320
-
- NII論文ID
- 110008746907
- 10015310001
-
- NII書誌ID
- AA11448578
-
- ISSN
- 24239593
- 1344011X
-
- NDL書誌ID
- 6819615
-
- 本文言語コード
- ja
-
- データソース種別
-
- JaLC
- NDL
- CiNii Articles
- KAKEN
-
- 抄録ライセンスフラグ
- 使用不可