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Wowza Transcoder

Wowza® Transcoder AddOn provides the ability to ingest a live stream, decode the video and audio, and then re-encode the stream to suit the desired playback devices. Wowza Transcoder is a real-time audio and video transcoding and transrating solution. It can decode audio and video in multiple formats and re-encode them to properly key-frame aligned H.264 streams for adaptive bitrate delivery.
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Product Description

Wowza® Transcoder AddOn provides the ability to ingest a live stream, decode the video and audio, and then re-encode the stream to suit the desired playback devices. Wowza Transcoder is a real-time audio and video transcoding and transrating solution. It can decode audio and video in multiple formats and re-encode them to properly key-frame aligned H.264 streams for adaptive bitrate delivery.

 

Transcoded streams can be delivered as adaptive bitrate using Flash RTMP/HTTP Dynamic Streaming, Apple HLS, and Silverlight Smooth Streaming, or as single bitrate streams over any Wowza Streaming Engine™ supported protocols.

 

NVIDIA compatibilty with Wowza Transcoder AddOn:

Wowza Streaming Engine™ has the ability to leverage NVIDIA hardware with greater scale and speed. For users taking advantage of the Wowza Transcoder AddOn using NVIDIA graphics cards with the new NVIDIA Encoder (NVENC) API, users see encoding up to four times faster than legacy CUDA-based encoders while consuming less power.
Other Transcoder AddOn Features:

Overlays—A new module for Wowza Transcoder AddOn allows you to overlay static and dynamic images on top of video by using a Java-based API. It can be configured manually or pre-programmed based on external events, making it a powerful new tool for adding premium TV-like experiences.

Examples of how this feature can be used include:

  • Advertising
  • Titling
  • Watermarking
  • Company logos or symbols
  • Sports/Stock tickers.

Examples:

Overlay Banner

The above is a banner overlay which can also be used as a ticker for sports, weather or news information.

 

Overlay squish banner

Above is a squish banner overlay where the video height is reduced to fit the banner.

 

Overlay fade banner

Above is a faded banner which can be used to place logos over video.

 

Learn how to add graphic overlays

 

H.263 video compression—Wowza Transcoder AddOn now supports H.263 encoding for live video streams, enabling users to stream to older mobile devices.

 

Audio-only Option

The audio-only option gives you the ability to pay a significantly lower “audio-only” price when using the Wowza Transcoder AddOn. Using commodity hardware, the audio-only option transforms incoming live audio streams from encoders, IP cameras, IPTV headends, and other live sources into multiple bitrate H.264 stream sets for adaptive bitrate delivery. Additionally, the audio-only option can be used for non-adaptive streaming with any transport protocol supported by Wowza Media Server 3.5 or later.

Supported video and audio formats

Wowza Transcoder can decode and encode the following video and audio codecs:

Video decoding (source streams) Audio decoding (source streams) Video encoding (outbound renditions) Audio encoding (outbound renditions)
H.264
MPEG-2
MPEG-4 Part 2
AAC
G.711 (µ-law and A-law)
MPEG-1 Layer 1/2
MPEG-1 Layer 3 (MP3)
Speex
H.264
H.263v2
AAC



Specifications

Server Wowza Streaming Engine 4.0 or later
(Wowza Media Server 3.x or earlier please contact Sales)
Decoding (inputs) Video: H.265/HEVC, H.264/AVC, MPEG4 Part 2, MPEG2, VP9, VP8
Audio: MP3, AAC-LC, HE-AAC+ v1 & v2, MPEG1 Part 1/2, Speex, G.711
Encoding (outputs) Video: H.265/HEVC, H.264/AVC, H.263 (v2), VP9
Audio: AAC, AAC-LC, HE-AAC+ v1 & v2, Opus, G.711

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