Dolby DM100

Dolby DM100. A new tool for tracking problems in the digital age.

Dolby DM100. A new tool for tracking problems in the digital age.

My first professional job in the industry was as a broadcast engineer, in what was, in many ways, a simpler time. The chief engineer whose job I inherited had served as something of a mentor to me. One of his tricks-of-the-trade was a simple audio tracking device — a pair of headphones fitted with alligator clips that allowed one to trace line level audio through a wiring system. The method was fast and provided direct feedback of audio presence and quality.

Then digital audio arrived on the scene. By the time it was common to route digital audio signals around a facility, I was employed in the recording studio world. The headphone method no longer sufficing for testing and tracking signals, a handheld serial digital analyzer became the tool of choice, still driving headphones with a decoded signal, but also providing metering and bitstream analysis — checking flag status and measuring parameters like sample rate. read more…

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