Dolby E Demystified (new guide)

Need technical details about Dolby E and audio processing?  Click here to get this free guide.   A question we hear a lot is, "What happens if I have guard band problems?" Dolby E encoded audio uses a frame-based structure. The position of the frames of audio and frames of video within the file must be corrected aligned for playback. Dolby specify a "guard band," which is a small null band around the 'top' of the audio within the frame. This allows error-free cut-style editing and video switching. However, if the audio starts to early or too late, this will cause  and error in the subsequent Dolby E Decoding and Audio may get muted. This is clearly not desirable for Playout.    A frequent request is to measure the guard band and report when it is out of specification and subsequently correct it.        Download this guide for more technical information, including: Four functions you need when processing Dolby E How to deal with different audio bit rates When to use guard band measurement and correction Easy encode and decode solutions for multiple file types How to prevent playout errors How to handle loudness compliance for Dolby encoded files   Sincerely,   MC Patel Emotion Systems +44 1635 203000      P.S. If you already know all about Dolby E, would you like to try Engine software for your Dolby E and audio processing needs? Join Encompass, Fox, Sky, Turner and more...     Engine is used by broadcasters, post houses and content distribution facilities worldwide for Dolby processing, Loudness compliance, and just about any file-based audio processing you can dream up.

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