Jean-Michel Jarre – AMAZÔNIA Review

Dynamic

We start this test by measuring the dynamic. Dynamic represents the ability to reproduce a wide range of sounds from the softest to the loudest. 
For our 5 editions we have obtained the following Dynamic Range (DR):

 Ed1 VinylEd2 CDEd3 Digital File BinauralEd4 Digital File 5.1Ed5 Streaming
GLOBALDR13DR10DR9DR9DR12
MinDR11DR7DR7DR9DR10
MaxDR16DR13DR11DR12DR13
Part 1DR12DR9DR9DR11DR10
Part 2DR16DR12DR11DR11DR13
Part 3DR12DR9DR8DR10DR10
Part 4DR13DR11DR9DR10DR12
Part 5DR15DR13DR11DR12DR13
Part 6DR13DR9DR7DR9DR12
Part 7DR13DR10DR8DR11DR13
Part 8DR12DR12DR11DR9DR12
Part 9DR11DR7DR7DR9DR11

The DR vary globally from 9 to 10 for all digital release except for the streaming (DR12) and the vinyl (DR13). The dynamique is globally good for digital( CD and download) and very good for the vinyl and Streaming. The result is special for the Ed4 because it’s the result of the reduction of channels from 5.1 to 2.0. When listening, the result is more dynamic due to the distinction between the 5 channels of music.

As a reminder, the scale goes from 0 to more 20, but the dynamics are considered good from 12, quite good between 10 and 11, and deteriorate below 10.

A low DR deviation (1 or 2) may be due to compression or a different treble level. Indeed, an increase in trebles has the effect of accentuating the perception of dynamics during listening but also during measuring.

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