High-resolution audio requires an efficient archiving tool. This paper shows the latest compression performance of the MPEG-4 Audio Lossless Coding (ALS) for high-resolution audio signals and describes MPEG's latest proposed extensions to MPEG-4 ALS for support of new file formats for large data sizes exceeds 4 GB. It also describes the latest specification of the Professional Archival Multimedia Application Format (MAF). The Professional Archival MAF compresses and archives files and folder structures into a single archive file so that recorded digital audio projects including meta-information can be archived losslessly along with traditional digitized traditional documentations (e.g. tracking sheets, lyrics, and engineer notes) in the standardized manner. The Professional Archival MAF is a sufficient tool for the future-proof archiving.

Authors: Harada, Noboru; Kamamoto, Yutaka; Moriya, Takehiro
Affiliation: NTT Communication Science Labs.
AES Conference: 31st International Conference: New Directions in High Resolution Audio (June 2007)
Paper Number: 20
Publication Date: June 1, 2007 Import into BibTeX
Subject: High Resolution Audio
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=13956

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