Meridian Lossless Packing

What Does Meridian Lossless Packing Mean?

Meridian Lossless Packing (MLP) is a lossless compression technique used for compressing pulse-code modulation (PCM) audio and is the main technology used in DVD-Audio content, which is often advertised through the “Advanced Resolution” logo. It is a proprietary format developed by Meridian Audio, Ltd. to provide 1.5:1 compression on most audio material. All DVD-Audio players are required to have MLP decoding capabilities, while DVD-Audio disc products only have MLP compression according to the discretion of its producer.

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Techopedia Explains Meridian Lossless Packing

Meridian Lossless Packing was a groundbreaking compression scheme which competed directly with Sony’s DSD technology used in the Super Audio CD (SACD) format. However, MLP is capable of master-quality audio presentation either in stereo or 5.1 surround sound, usually from a DVD-Audio disc as well as from various other formats. It is a music-friendly compression format so it is able to store more data onto a variety of recording media, with DVD-Audio being the most common format it is used on.

MLP is able to deliver music as the producer intended it, bit-for-bit and note-for-note, which is why it is considered a lossless encoding. It guarantees delivery of the original recording in a digital perspective so there is no need for listening tests.

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Margaret Rouse

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.