Specifications

Coding

Decoding

  • Decodes Dolby ED2 to PCM

Transcoding

  • Transcodes Dolby ED2 to Dolby Digital Plus JOC and Dolby E to Dolby Digital Plus

Encoding

  • Encodes PCM to Dolby Digital Plus and Dolby Atmos (via Dolby Digital Plus JOC)

I/O

SDI I/O

  • 3Gb/s HD/SD-SDI input (SMPTE ST 425-1, 292M, and 259M), up to 1080p/60/59.94/50Hz

  • Optional Quad-Link 3Gb/s SDI for 4K workflows (mutually exclusive with MADI option)

AES-3 I/O

  • Five stereo pairs via 75 Ohm BNC unbalanced female connectors, internally terminated; signal levels per SMPTE 276M/AES-3ID-2001

AES67 I/O

  • 16 channels of bi-directional AES67 I/O in support of SMPTE ST 2110-30 and -31 workflows

MADI I/O

  • Optional MADI I/O supports up to 16 channels for processing (mutually exclusive with Quad-Link SDI option)

  • Passthrough and shuffling for up to 64 channels

  • I/O via coax or optical SFP socket (SFP sold separately)

Latency

  • AES-3 input to AES-3 output with SRCs disabled: 30.5ms

  • AES-3 input to AES-3 output with AES-3 input SRC enabled: 33.5ms

  • SDI input to SDI output with SRCs disabled: 33.5ms

  • SDI input to SDI output with SRCs enabled: 36.5ms

  • AES67 input to AES67 output: 107ms (measurement made using Telos Alliance SDI xNode which has a latency value of 80ms)

Reference

  • 48kHz reference via SDI, PTP, AES-3, internal clock (standalone use only), or MADI (when MADI option is installed)

  • Vref

Sample Rate/Resolution/Frequency Response

  • 48kHz, 24-bit, 20Hz – 20kHz

Ethernet

  • Two Gigabit RJ-45 connections – one for AES67, one for networked remote control

Parallel GPI/O Control Port

  • 15-pin female D connector, 0-5V TTL levels; 5 inputs, 5 outputs

Front Panel Controls and Indicators

  • 5-key navigation cluster

  • Graphical color LCD display

  • LED status indicators for each power supply, status, and reference

Power

  • Dual internal redundant auto-ranging power supplies, each rated at 100-264VAC, 50/60Hz, 100 Watts maximum

Dimensions and Weight

  • 19”W x 9”D x 1.75” H (approximately 48.2 x 22.0 x 4.5 cm)

  • Net weight approximately 9.0 pounds (4.08kg)

  • Shipping dimensions 22”W x 20”D x 7”H (approximately 55.6 x 50.8 x 17.8 cm)

  • Shipping weight approximately 16 pounds (7.26kg)

Environmental

  • Operating temperature 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit)

  • Non-operating temperature -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit)

Intended Location

  • Telecommunications center or dedicated computer/machine room

Regulatory

  • North America – FCC and CE tested and compliant with UL-approved power supplies

  • Europe – Complies with European Union Directive 2002/95/EC on the restriction of use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/EC, 2005/747/EC (RoHS directive), and WEEE

Licensing

  • The Linear Acoustic LA-5291 is manufactured under license from Dolby Laboratories. Dolby, Dolby Audio, and the double-D symbol are trademarks of Dolby Laboratories.

Warranty