Prediction Method for Compression of Spherical Microphone Array Signals Using Geometric Information

Shuichi Sakamoto, Arif Wicaksono, Jorge Trevino, Cesar Salvador, Yoiti Suzuki

研究成果: Conference contribution

抄録

Previously, we proposed a method to achieve high-precision measurement systems to record 3D sound-space information. This enables the transmission of spatial sound to distant places, and enables its preservation. Our method, named Symmetrical object with ENchased ZIllion microphones (SENZI), was implemented using a spherical microphone array with 252 microphones. It was applied to the recording of 3D sound-space information. The microphone positions follow an icosahedral pattern. Reproducing a 3D sound space recorded with the SENZI implementation requires transmission of all the microphone signals. However, the necessarily large number of channels produce vast amounts of data. Therefore, it is important to compress these data without markedly reducing the accuracy of the reproduced 3D sound-space. In this paper, we propose a multi-channel sound signal compression technique for recordings done with a SENZI microphone array. Inter-channel correlation in the SENZI system is extremely high because the microphones are arranged densely on the sphere. Our proposed method exploits this correlation to predict some microphone signals from those recorded by microphones that are aligned with the vertices of the underlying icosahedron. The possibility of recovering some microphone signals from those of their neighbors is verified through computer simulations of a SENZI array.

本文言語English
ホスト出版物のタイトルProceedings - 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015
編集者Jeng-Shyang Pan, Ching-Yu Yang, Hsiang-Cheh Huang, Ivan Lee
出版社Institute of Electrical and Electronics Engineers Inc.
ページ376-379
ページ数4
ISBN(電子版)9781509001880
DOI
出版ステータスPublished - 2016 2月 19
イベント11th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015 - Adelaide, Australia
継続期間: 2015 9月 232015 9月 25

出版物シリーズ

名前Proceedings - 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015

Other

Other11th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015
国/地域Australia
CityAdelaide
Period15/9/2315/9/25

ASJC Scopus subject areas

  • 情報システム
  • 信号処理
  • 人工知能
  • コンピュータ ネットワークおよび通信
  • 安全性、リスク、信頼性、品質管理

フィンガープリント

「Prediction Method for Compression of Spherical Microphone Array Signals Using Geometric Information」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル