The Digital Entertainment Group, Consumer Electronics Association and The Recording Academy reach agreement with record labels

If Ultra HD 4K is to be the major TV and home cinema innovation of 2014, then high-resolution audio is looking as if it will be the hi-fi equivalent. But there has been some debate over its definition.

A new agreement, however, struck in the US between a number of consumer electronics bodies and record labels has now resulted in the creation of a formal definition for high-resolution audio. 

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The Digital Entertainment Group (DEG) has been working with the Consumer Electronics Association (CEA) and The Recording Academy to finalise the definition as the format grows in popularity.

Sony Music Entertainment, Universal Music Group and Warner Music Group are also part of the latest agreement, which its hoped will lead to a unified approach to offering high-resolution music.

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High-resolution audio is being defined as: "Lossless audio that is capable of reproducing the full range of sound from recordings that have been mastered from better than CD quality music sources."

And there are also four different Master Quality Recording categories that have been released in order to describe the recording that has been made from the "best quality music source" available.

More after the break

The four descriptors are: 

MQ-P: from a PCM master source 48kHz/20-bit or higher – typically 96/24 or 192/24 content

MQ-A: from an analogue master source

MQ-C: from a CD master source (44.1kHz/16-bit)

and MQ-D: from a DSD/DSF master source – typically 2.8MHz or 5.6MHz content

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DEG president Amy Jo Smith said: "Thanks to this initiative, the industry can take a unified approach in offering digital music services a variety of information concerning the growing number of hi-res music titles being distributed today." 

Matt Signore, president of artist and label services at WEA, added: "As high resolution music services continue to grow, we encourage and look forward to all partners in the music value chain meeting the definitions of High Resolution Audio." 

More information or just more confusing? Let us know what you think in the comments below.

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by  Pete Hayman

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