An audio embedder is a device that combines audio signals with video signals into a single output. It works with digital video standards like SDI (Serial Digital Interface) or HDMI, allowing both audio and video to be transmitted together through one cable.
An SDI audio embedder combines audio from external sources, such as microphones or mixers. Similarly, an HDMI audio embedder adds external audio to HDMI video, making it possible to deliver synchronized audio and video to displays, recording devices, or broadcast systems.
Audio embedders typically support both analog and digital audio formats, including AES/EBU. They may also provide advanced features like support for multiple audio channels and precise synchronization, keeping high-quality playback.
Why Audio Embedding is Important for Video Workflows
Audio embedding is important in professional video production and broadcasting for several reasons:
Simplified Cable Management
Using a single cable like SDI or HDMI for audio and video removes the need for separate audio cables. This simplifies installation and reduces the clutter of multiple connections, making the workflow more efficient.
Enhanced Compatibility
Many professional video formats and transmission systems are designed to carry both audio and video signals together. Using an audio embedder makes sure it works well with other equipment. This includes switchers, recorders, and monitors that need combined signals.
Syncing Audio and Video
Audio embedders keep the audio in sync with the video. They do this by putting the signals directly into the same stream. This helps avoid delays caused by separate processing paths.
Broadcasting and Streaming
In live broadcasting or streaming, audio embedders help producers. They can quickly add commentary, music, or sound effects to a video feed. This is important in sports, news, and event coverage..
High-Quality Audio Support
Modern audio embedders support multi-channel audio, such as 5.1 or 7.1 surround sound, ensuring that viewers enjoy a rich and immersive audio experience along with the video. This is particularly important in high-end production environments.
Recommended Audio Embedders
When selecting an audio embedder, it is important to consider factors such as video format compatibility, audio channel support, and ease of use. Here are three highly recommended options for professional workflows.
Resi customers have successfully used the following list of third-party peripherals to help embed audio to their productions. However, a specific recording setup may not be compatible with all devices. For additional support, it is recommended to contact the specific device manufacturer or an audio/video integrator.
Blackmagic Design Mini Converter
The Blackmagic Design Mini Converter is a versatile and reliable solution for embedding audio in SDI workflows. It supports video resolution up to 1080p at 60 frames per second. Users can also add external audio from analog or AES/EBU sources into an SDI signal. This device is compact and easy to use, making it a popular choice for broadcasters and live production teams.
3G-AMA
The 3G-AMA is a powerful and flexible tool for embedding or disembedding analog audio into or from a 3G-SDI signal. Known for its high reliability and professional-grade performance, the AJA 3G-AMA is ideal for demanding broadcast environments. It supports up to 1080p60 video and provides precise control over audio embedding.
Cobalt BBG-EM-AA
The Cobalt BBG-EM-AA is a high-quality audio embedder designed for professional SDI workflows. It supports embedding analog audio into an SDI video signal with powerful clarity and precision. Its compact form factor and advanced features make it an excellent choice for studio and field use.
Audio embedders are important tools for ensuring seamless audio and video integration in professional workflows. If you are broadcasting live events, creating content, or managing AV setups, you need reliable devices.
To best utilize the Resi live stream platform, there are a number of audio embedder options. You can find the official list of authorized resellers recommended by Resi here. These resellers are available in the U.S. and for international customers.