6-4
TECHNICAL DATA ORBAN MODEL 8685
• SD-SDI (per SMPTE 259M); 1.5 Gbit/s HD-SDI (per SMPTE 292M; up to 720p
and 1080i) and 3.0 Gbit/s single-wire HD-SDI (per SMPTE 424M; 1080p).
• Supports only SDI audio channels 1 through 8.
• Includes three AES3id inputs, three AES3id outputs, and a pair of analog out-
puts. In addition to the ability to receive and emit program audio, the AES3id I/O
can be configured as a loop-through to support Orban’s external Penteo upmixer.
The AES3id I/O offers the same performance as the AES3id I/O in the base con-
figuration above.
• Sockets exist to accept Dolby-E encoder/decoder modules; unit is field-
upgradeable to support Dolby-E.
• Includes up to 11 frames of video delay to preserve AV-sync. Normal 8685 loud-
ness control processing requires one frame of delay; the Penteo upmixer requires
an additional seven frame delay; Dolby-E requires one frame for decoding and
one frame for encoding.
• Supports Dolby-E metadata received through HD-SDI and RS485 interfaces per
SMPTE RDD 06-2008. The metadata in the HD-SD stream must be embedded
the HD-SDI VANC data per SMPTE 2020-2-2008 (Method-A) or SMPTE 2020-3-
2008 (Method-B).
• Includes a video reference input (per SMPTE 274M and SMPTE 296M) that can
be used as a reference for the output audio sample rate and to correctly align
Dolby-E frames with video per Dolby's requirements (SMPTE RDD 6-2008 and
Dolby Labs published specifications) in cases where HD-SDI is not in use. When
HD-SDI is in use, frame sync is obtained from the HD-SDI input stream.
OPTION #2:
HD-SDI Input/Output Interface Module with Dolby-E Decoder.
• Base configuration (Option #1) with the addition of a Dolby-E Decoder module.
• Can accept a Dolby-E bitstream from HD-SDI or AES3id inputs and decode it to
PCM for 8685 audio processing or for direct AES3id and HD-SDI outputs.
• Supports Dolby-E metadata received through HD-SDI and RS485 interfaces per
SMPTE RDD 06-2008. The metadata in the HD-SD stream can be embedded in
a Dolby-E encoded bitstream (typically using audio channels 1 and 2) or in the
HD-SDI VANC data per SMPTE 2020-2-2008 (Method-A) or SMPTE 2020-3-
2008 (Method-B).
OPTION #3:
HD-SDI Input/Output Interface Module with Dolby-E Encoder.
• Base configuration (Option #1) with the addition of a Dolby-E Encoder module.
• Can encode PCM outputs from the 8685 audio processor or PCM received from
HD-SDI or AES3id inputs into the Dolby-E bitstream.
• Can emit Dolby-E metadata from an RS485 serial port and through HD-SDI.
• Can receive Dolby-E metadata through HD-SDI VANC or RS485.
OPTION #4:
HD-SDI Input/Output Interface Module with Dolby-E Decoder and Encoder.
• Base configuration (Option #1) with the addition of Dolby-E
Decoder and Encoder
modules.
• Accepts and emits Dolby-E bitstreams from the HD-SDI and AES3id I/O.
• Supports Dolby-E metadata through HD-SDI and RS485 serial ports.
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