FOR-A adds Dolby E support to HD frame rate converter
October 15, 2007
FOR-A has added Dolby E digital audio features to its FRC-7000 HD frame rate converter. This eliminates the need for a large amount of additional peripheral audio processing gear while ensuring that the audio is tightly synchronized with the video output of the converter. With many live music and sports events now available in Dolby 5.1, Dolby E coding is increasingly used in the transport of program audio.
The company said having the Dolby E processing handled inside the video converter saves cost, space and setup time compared with the alternative external equipment. With the Dolby E data locked to the video frames, it must be decoded with the input frames and recoded locked to the output video frames. As the input and output are always different frame rates, this can add to the complexity when using separate external Dolby E devices.
In addition to the new Dolby E support, the FRC-7000 HD frame rate converter also offers eight-channel, 48kHz 24-bit embedded audio and AES/EBU digital audio processing, allowing asynchronous and synchronous digital audio inputs with four-channel stereo processing. All provide a delay for synchronization with video processing and fit inside the FRC-7000 frame.
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