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首頁(yè)> 外文期刊>Selected Topics in Signal Processing, IEEE Journal of >MPEG-H 3D Audio—The New Standard for Coding of Immersive Spatial Audio
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MPEG-H 3D Audio—The New Standard for Coding of Immersive Spatial Audio

機(jī)譯：MPEG-H 3D音頻-沉浸式空間音頻編碼的新標(biāo)準(zhǔn)

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摘要

The science and art of Spatial Audio is concerned with the capture, production, transmission, and reproduction of an immersive sound experience. Recently, a new generation of spatial audio technology has been introduced that employs elevated and lowered loudspeakers and thus surpasses previous ‘surround sound’ technology without such speakers in terms of listener immersion and potential for spatial realism. In this context, the ISO/MPEG standardization group has started the MPEG-H 3D Audio development effort to facilitate high-quality bitrate-efficient production, transmission and reproduction of such immersive audio material. The underlying format is designed to provide universal means for carriage of channel-based, object-based and Higher Order Ambisonics based input. High quality reproduction is provided for many output formats from 22.2 and beyond down to 5.1, stereo and binaural reproduction—independently of the original encoding format, thus overcoming the incompatibility between various 3D formats. This paper provides an overview of the MPEG-H 3D Audio project and technology and an assessment of the system capabilities and performance.
機(jī)譯：空間音頻的科學(xué)和藝術(shù)與沉浸式聲音體驗(yàn)的捕獲，產(chǎn)生，傳輸和再現(xiàn)有關(guān)。最近，已經(jīng)引入了新一代的空間音頻技術(shù)，該技術(shù)采用了升高和降低的揚(yáng)聲器，因此在聽眾的沉浸感和空間現(xiàn)實(shí)感的潛力方面超越了沒(méi)有此類揚(yáng)聲器的以前的“環(huán)繞聲”技術(shù)。在這種情況下，ISO / MPEG標(biāo)準(zhǔn)化組織已開始MPEG-H 3D音頻開發(fā)工作，以促進(jìn)這種沉浸式音頻材料的高質(zhì)量比特率高效制作，傳輸和再現(xiàn)?；A(chǔ)格式旨在為承載基于通道，基于對(duì)象和基于高階Ambisonics的輸入提供通用方法。從22.2到5.1為止的許多輸出格式（立體聲和雙耳再現(xiàn)）均提供高質(zhì)量的再現(xiàn)，而與原始編碼格式無(wú)關(guān)，從而克服了各種3D格式之間的不兼容性。本文概述了MPEG-H 3D音頻項(xiàng)目和技術(shù)，并對(duì)系統(tǒng)功能和性能進(jìn)行了評(píng)估。

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