DaySequerra - Surround 5.1/7.1 Encoder/Decoder
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MultiMerge2 5.1 Surround Audio +2.0 Processor - Loudness Control.
MultiMerge2 5.1 Surround Audio +2.0 Processor - Loudness Control
The second-generation MultiMerge2 is a complete surround and loudness solution for your transmission facility.
Combining the features of our popular DTS Neural Surround™ UpMix with an auxiliary second stereo channel, MultiMerge2 will automatically upmix stereo or encoded stereo content to near-discrete 5.1 surround sound using the latest DTS Neural Surround™ UpMix HD process; on-board DTS Neural Loudness Control maintains the loudness target for both 5.1 main and auxiliary stereo outputs and ensures CALM compliance using industry-standard ITU-R BS.1770/1 loudness measurement and the proprietary DTS Neural Loudness Control – all in 1RU.
Key Features of the MultiMerge2
- Simultaneous processing for 5.1 main and 2.0 auxiliary stereo inputs
- UpMix HD algorithm for near-discrete 5.1 performance from stereo
- Auto-UpMix provides full-time 5.1 output from mix of stereo and 5.1 content input
- Mute-less 5.1 pass-through to guarantee critical audio is never lost, such as center channel dialog
- DTS Neural Loudness Control and ITU-R BS.1770/1 Loudness Measurement - ensures CALM compliance
- EAS/CAP input for transmission of Emergency Alert messages
- Ethernet interface for loudness-compliance logging and field updates
- Optional HD/SDI input for 8 de-embedded audio channels from SDI group 1 or 2
MultiMerge2 accepts 5.1-channel network audio and two-channel local audio or SAP/DVS along with EAS/CAP audio and automatically upmixes only when necessary, enabling broadcasters to deliver compelling 5.1-channel surround sound while saving time, money and space. The new UpMix HD algorithm outperforms all existing upmixing methods for channel discreteness, envelopment, and original spatial location regardless of source (Lt/Rt, Lo/Ro, ProLogic, ProLogic II or SRS Circle Surround).
The breakthrough DTS Neural Loudness Control MultiMerge2 maintains the broadcaster-defined loudness level without the annoying side-effects of traditional energy-based volume management solutions; industry-standard ITU-RBS.1770/1 loudness measurement maintains broadcaster-defined loudness level across all audio programming to minimize viewer complaints while ensuring CALM compliance.
A set of user-definable alarm scan alert an operator of input loss and hardware faults. An Ethernet interface provides PC loudness compliance logging and field software updates.
Other options include HD/SD-SDI input for 8 de-embedded audio channels from SDI group 1 or 2 making MultiMerge2 the mostcost-effective, total content delivery solution.
Technical Specification For MultiMerge2 |
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| Inputs | 3 AES-3 PCM inputs for 5.1 surround main program
1 AES-3 PCM input for 2.0 AUX Stereo 1 AES-3 PCM input for EAS/CAP 1 AES-3/AES-11 input for external AES sync 1 HD/SDI Input with option |
| Outputs | 1 AES-3 PCM output for main program Lt/Rt down mix
1 HD/SDI Pass-through output with option |
| Audio Input and Output Interface | AES/EBU, 75Ω, unbalanced BNC
HD-SDI input for SMPTE 259M, SMPTE 292M, SMPTE 424M, ITU-R BT.656 and ITR-R BT.601 input with option |
| Loudness Measurement and Correction | ITU-R BS.1770/1 Industry Standard Loudness Measurement
DTS Neural Loudness Measure Leq(A), Leq(B), Leq(C) and Leq(M) DTS Neural Loudness Control |
| Sample Rate | 32kHz to 96kHz, 24-bit |
| Latency[1] | 0ms Lt/Rt DownMix
48ms DTS Neural Loudness Control <6ms for Hardware Interface |
| GPIO | Opto-Isolated DB-9 female connector, 0-5VDC TTL |
| Ethernet | 10/100-BASE-T for field software updates, logging and remote control |
| Dimensions and Weight | 1 RU, 19" [482mm] W x 8" [203mm] L x 1.75" [44mm] H; 7 lb [3.2kg] |
| Environmental | Convection cooled; Operating: 0 to 60 degrees C |
| Regulatory | North America: Designed to comply with FCC Class A, Part 15
Europe: LV Directive 73/23/EEC and EMC Directive 89/336/EEC; CE Mark [EN 55022 Class A, EN55024] RoHS and WEEE compliant |
| Power Supply | Dual redundant
Auto-sensing 100-240V, 50-60Hz EMI suppressed male IEC320 connector |
| Options | HD/SDI input for 8 de-embedded audio channels from SDI group 1 or 2 |
| Warranty | One year, limited parts and labor |
| Notes | [1] Does not included added latency of any options |
