[4] ITU-R BS.1770-4. (2015). Algorithms to measure audio programme loudness and true-peak audio level . International Telecommunication Union.
[2] ATSC Standard A/52:2020. (2020). Digital Audio Compression (AC-3, E-AC-3) . Advanced Television Systems Committee. dolby encoding engine
| Metric | DEE (Software) | DP580 (Hardware) | |--------------------------|-------------------------|---------------------------| | Latency (5.1, 384 kbps) | 18.2 ms | 16.0 ms | | CPU usage (per stream) | 12% (Xeon Gold 6248) | N/A | | Concurrent streams (1U) | 32 (at 3.0 GHz) | 1 (per card) | | Power consumption | 150 W (server) | 25 W (encoder) | | Metadata flexibility | Full (API-driven) | Limited (front panel) | [4] ITU-R BS
[5] PEAQ – ITU-R BS.1387-1. (2001). Method for objective measurements of perceived audio quality . Dolby Encoding Engine, AC-3, E-AC-3, Dolby Atmos, audio compression, broadcast, low-latency encoding, dialnorm. International Telecommunication Union
Dialnorm = -31 + 10 * log10( (1/N) * Σ x_i² ) where ( x_i ) are the dialogue-gated samples.