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TelVue HyperCaster

User Manual / v4.3 / July 2014

HyperCaster

is a registered trademark of TelVue Corporation 800-885-8886 / www.telvue.com

7. If your HyperCaster is connected to an encoder or stream source, edit the feed setup.

8. If your HyperCaster is connected to a remote server, edit the remote server

configuration

The HyperCaster is now connected to your broadcast network and ready to receive content.

Preparing Content for the HyperCaster

The TelVue HyperCaster

transmits compressed video content over UDP packets. Content must be

already multiplexed into an MPEG-2 Transport Stream, and that transport stream often must have a

constant multiplex rate (note however that does not mean the video elementary stream must have a

constant bit rate). The 4.0 version of the TelVue HyperCaster software supports variable mux rate

Transport Streams, however other equipment in your setup may not, so you may need to investigate

whether your full playout chain can support variable mux rate content.

The equipment receiving these streams can and often will have more stringent requirements.

TelVue

servers can aid with these downstream requirements by changing Program ID values as the

MPEG-2 TS is transmitted. However, other requirements, such as bit rate, frame rate, profile and

level, GOP structure, and more, must be set at the time of file creation or by transcoding or

multiplexing.

CableLabs and ATSC

Two common standards that broadcast video equipment will adhere to are the CableLabs set

of specifications for VOD, and the ATSC broadcast specifications. If your downstream equipment

requires your files to adhere to either specification, you should select a program that the provider has

verified is compliant to these specifications. If your downstream equipment does not require these

particular specifications, you may be able to use any of the programs discussed in this section that are

listed as HyperCaster compatible.

H.264

The TelVue HyperCaster is optionally capable of sending Transport Streams that use the H.264 video

codec. However, no specific sub-standard similar to the CableLabs or ATSC standards has yet emerged

for H.264 settings. Most systems using H.264 will have specific requirements for things such as

profile, level and bit-rate. All of the transcoding and multiplexing programs mentioned below are

capable of working with Transport Streams that include H.264, though this sometimes requires an

upgraded version of the utility. If you are working with H.264 video, you should start from the

Transport Stream presets provided in the transcode programs below and then tailor it to your

system’s specific requirements. If you have any questions on H.264 presets for your HyperCaster,

please contact TelVue Support.

Programs for Creating Files for the TelVue HyperCaster

The simplest way to ensure that all files in your media library are compatible with the

TelVue HyperCaster is to use TelVue

Connect™ for ingest and transcoding. TelVue customizes your

TelVue Connect transcoding profile to your station’s requirements, and files can be distributed directly

from the TelVue Connect service to your HyperCaster.

There are other options. The following program can create files that are compatible with the

TelVue HyperCaster:

• Telestream Episode (Microsoft Windows or Apple Macintosh)

Many others will be capable of creating constant mux rate MPEG-2 TS. TelVue has not extensively

tested the following programs but they are known to create constant mux rate Transport Stream, or in

some cases CableLabs or ATSC compliant streams:

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