Orban Releases Latest Loudness Meter
     

Processor maker Orban has released a new version of its free Orban Loudness Meter.

Version 2.7 adds support for 7.1 surround sound the ability to analyze audio files offline under ITU-R BS.1770-3 integrated loudness and loudness range. The company explains that these features allow “any organization to qualify files, whether stereo or surround, for compliance with the Calm Act and EBU R128.”

The Loudness Meter uses both Jones & Torick/CBS Technology Center and BS.1770-3 algorithms. For the BS.1770-3 scheme it displays Short-Term, Momentary and Integrated loudness.

It also provides PPM and VU meters along with a “‘Reconstructed Peak’ meter with an 8X-upsampled sidechain to predict the peak levels that will appear after digital to analog conversion. This reconstructed peak meter exceeds the requirements of the ‘true-peak’ meter described in BS.1770-3, which specifies a 4X-upsampled sidechain.”

Orban notes that the Loudness Meter requires a processor that supports the SSE2 instruction set, but that most Intel and AMD processors made over the last decade fulfill that requirement.

Orban Loudness Meter 2.7 is compatible with Windows Vista/7/8 and Mac OS X 10.6 or higher. Version 2.7 is not fully compatible with Windows XP, the company says.

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