Imagine Communications launches multichannel audio processor for regulatory loudness compliance
Imagine Communications has detailed the APM6803+RLYT, a multichannel advanced audio processing module designed for managing loudness and surround sound audio streams. The module features DTS Neural Surround UpMix, DownMix, MultiMerge, and Loudness Control, with optional dual Dolby encoders/decoders. It supports diverse multichannel applications and offers extensive I/O capabilities for broadcasters to meet regulations while preserving audio quality.
Key Takeaways
- Supports up to four independent output streams with integrated DTS Neural Surround UpMix, DownMix, and MultiMerge capabilities.
- Features a 3G/HD/SD-SDI bypass relay and eight discrete AES I/O channels for flexible hybrid signal routing.
- Enables dual Dolby Digital and Dolby E encoder/decoder support via a credit-based software licensing system.
- Integrated frame synchronizer provides automatic audio/video delay alignment to maintain lip synchronization across processed streams.
Why It Matters
Broadcasters are under increasing pressure to maintain consistent loudness across multichannel feeds to meet global mandates like the CALM Act and EBU R128. By consolidating specialized DTS and Dolby processing into a single sync card, Imagine reduces the hardware footprint usually required for surround-sound management. This shift toward software-defined licensing on modular cards allows facilities to scale audio capabilities without physical overhauls. For service providers, it streamlines the path to delivering immersive audio while mitigating the risk of regulatory fines or technical rejections. Watch for shifts in how manufacturers handle license portability across hardware families as virtualization progresses.
Additional Context
The launch of the APM6803+RLYT arrives as regulatory scrutiny on broadcast audio intensity intensifies. In March 2025, the Federal Communications Commission (FCC) signaled a more aggressive stance on the Commercial Advertisement Loudness Mitigation (CALM) Act following a surge in consumer complaints during 2024. The commission has proposed updates that could expand loudness standards beyond traditional linear broadcast to include major streaming platforms, effectively closing a loophole where OTT advertisements frequently ignore standard normalization levels. Simultaneously, the competitive landscape for immersive audio licensing is shifting. Per Alphastreet in February 2026, Dolby Laboratories continues to dominate the licensing sector, with broadcast representing 27% of its diversified revenue. However, industry reporting from FlatpanelsHD in June 2025 notes that DTS is facing significant pressure in the consumer market, with a vanishing presence on physical media and limited adoption in the streaming space compared to Dolby Atmos. By integrating both libraries on a single hardware module, Imagine Communications provides a bridge for broadcasters who must support varied metadata standards across legacy and modern distribution pipelines. These modular hardware updates also reflect a broader industry transition toward SMPTE ST 2110 IP networks. While the Selenio 6800+ remains a staple for baseband and hybrid facilities, Imagine has recently demonstrated a decade of ST 2110 leadership at NAB 2026, focusing on high-density network processors that virtualize these same audio functions. The continued lifespan of SDI-based modules like the APM6803+RLYT highlights the ongoing need for high-reliability hardware in live production environments where physical bypass relays remain critical for disaster recovery.
Read full article at imaginecommunications.com