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Aperi JPEG 2000 Encoder & Decoder

Encoding and multiplexing for distribution and re-distribution

The Aperi JPEG 2000 (“J2K”) Encoder and Decoder Apps are FPGA-based applications designed for Aperi’s microserver platform, and are available from the Aperi App Store. These apps enable up to a four-channel unidirectional J2K encoder along with up to a four-channel J2K decoder for SD, HD, and up to two channels of 3G SMPTE compliant video signals. The encoder automatically detects any valid video input on each channel, and packetizes each J2K compressed video signal into an elementary stream multiplexed with audio and data elementary streams to create an MPEG-2 compliant transport stream. This transport stream is encapsulated in a SMPTE 2022-2 compliant IP flow, and aggregates them into 10 GbE interfaces on the microserver edge connector. Each J2K compressed IP flow is duplicated at the 10 GbE outputs of the encoder to enable diverse routing. The J2K decoder includes the capability to receive duplicate flows on separate, temporally aligned physical interfaces prior to packet validation & selection. This process provides the hitless switching capability for the apps. The J2K apps are ideal for scenarios requiring preserved picture quality in a compressed format. It delivers visually lossless (and mathematically lossless for some content) reconstruction at higher elementary stream rates. The UI is built above an open, highly accessible RESTful API that provides numerous monitoring and configuration parameters. It’s designed to adhere to the standard cloud model and comply with evolving industry standards for device discovery and registration. It seamlessly integrates under any orchestration platform.

Technical Information

  • Detection of 4 unidirectional channels of SDI video compliant with SMPTE 259M, SMPTE 292M or SMPTE 424M.

  • JPEG 2000 mapping compliant with TR-01.

  • YCrCb 4:2:2, 10 bit, J2K ISO/IEC 15444-1 code stream.

  • Compressed ES rates of up to 460Mbps for HD-SDI.

  • Per-channel encapsulation and de-encapsulation into RTP/UDP/IP packets per SMPTE 2022-2.

  • Selectable two or four AES uncompressed audio per video in accordance with SMPTE 302 and TR-01.

  • Transparent transfer of ancillary data per video in accordance with SMPTE 2038 and TR-01.

  • Dual presentation of packets via two separate physical interfaces for optimum per-channel hitless protection in compliance with SMPTE 2022-7.

  • Dual path IGMP V2 and V3 Multicast with fast leave.

  • PDV buffer for network jitter, configurable up to 200ms.

  • RESTFUL HTTP open media API, automatically discoverable, exposing all primitives.

  • Intuitive, automatically discoverable user interface via integrated web server.

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