Transformation Channels Ingestion Specification
Transformation Channels
Video Stream Format
Frequency supports the ingestion of video streams from third-party origination in the following formats and specifications:
Specification | HLS | MPEG-TS |
|---|---|---|
Format | HLS Pull Only | SRT (push) Zixi (push/pull) RTP-FEC |
Video Resolution | 2160p (4K) 1080p 720p | 2160p (4K) 1080p 720p |
Video Codec / Profile | H.264 High | H.264 High |
Video Bitrate | > 4.5 Mbps | > 4.5 Mbps |
Video Frame Rate | 29.97, 30p, 60p Constant FPS | 29.97, 30p, 60p Constant FPS |
Key Frame Interval | < 2 seconds | < 2 seconds |
Audio Codec | AAC 16-bit 44.1 Khz / 48 Khz | AAC 16-bit 44.1 Khz / 48 Khz |
Audio Bitrate | > 128 Kbps | > 128 Kbps |
Audio Channels | 2.0 Stereo | 2.0 Stereo |
Security | No encryption (DRM/AES-128) | IP whitelisting supported |
Ad Markers | SCTE-35 in TS chunks HLS ad markers only not supported | SCTE-35 in TS (splice insert or time signal) |
Close Captions | Embedded CEA-608/708 (English track) | Embedded CEA-608/708 (English track) |
Redundancy
In the event of stream interruption during ingestion, failover switching occurs using a backup.
Transport (Required) - Backup channel streams delivered to Frequency from geographically diverse regions (e.g., East vs. West). For multi-redundancy setups, a combination of video formats and transport types can be provided.
Origination Redundancy (Optional) - Independent origination playout systems are integrated with the transport streams delivered to Frequency.
Metadata Format
Frequency supports a number of Standard EPG formats for the ingestion and transformation of channel schedule metadata.
Standard Delivery
JSON
Metadata sent in JSON format must comply with the provided Frequency fields. The necessary elements are:
Channel
Unique Channel Identifier
Name (255 chars)
Description (110 chars)
Thumbnail
Genre
Subgenre
Timezone Name
Country Name
Parental Rating
Language
Resolution (Width & Height)
Programming:
Start date time (UTC)
End Date time (UTC)
Duration (seconds)
Program ID
Title (255 chars)
Description (110 chars)
16:9 Program Art
Country
Parental Rating
Language
Program Type (Movie, Series, Short-form, etc.)
Series Name
Season NUmber
Episode Number
Release Date
Example: https://static.frequency.com/studio/epg/5.json
Custom / Distributor Specific - Frequency supports a variety of custom EPG outputs for most distributors, including CSV, Excel, Google Sheets, publicly accessible URLs, and Frequency SFTP Drop Folder. A list of supported distributors can be found here: : EPG Formats per Distributor
Gracenote - Metadata can be provided via an existing Gracenote channel integration, pending a content partner providing the Gracenote Channel ID and Call Sign ID for the applicable channel via Gracenote API.
Example: Channel_ID:1234567, Call Sign ID: FREQONE
Non-Standard Delivery
In order to support maximum compatibility with channel origination platforms, Frequency can customize additional EPG formats and delivery methods. Non-standard delivery options must include data elements related to the following:
Channel
Unique channel identifier
Name (255 chars)
Description
Thumbnail
Genre
Subgenre
Timezone Name
Parental Rating
Language
Resolution (Width & Height)
Programming
Start date time (UTC)
End date time (UTC)
Duration (seconds)
Program ID
Title (255 chars)
Description
16:9 Program Art
Country
Parental Rating
Language
Program Type (Movie, Series, Short-form, etc.)
Series Name
Season Number
Episode Number
Release Date
Scheduling Metadata Timeframe
For either Standard or Non-Standard Delivery, please provide a minimum of 15 days of programming data, ranging from -1 day (one day ago) to +14 days (two weeks in the future).