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Linear Acoustic AERO.one V3 User Guide
6.1.6
Nielsen Watermark Issues
Careful testing has shown that the Nielsen audience measurement watermark is not dis-
turbed by any of the factory presets, nor upmixing when the watermarking equipment is
installed prior to the AERO.one. In fact, improvements in code recovery have been noted
when Linear Acoustic audio processing is installed after watermark insertion. Therefore,
we now recommend that watermarking gear be installed ahead of any audio processing.
This is a change from previous recommendations that suggested installation between pro-
cessing and Dolby Digital (AC-3) encoding. Installing prior to upmixing allows over-writ-
ing of the watermark to be performed more effectively that when watermarking is inserted
after upmixing.
6.1.7
Problems with EAS decoding
It is important to locate EAS encoding equipment after any audio processing, including
AERO.one. It is critical that processing be minimized for use with current EAS systems.
The AERO.one provides a special "post processing" insert specifically for EAS audio and
it should be used, especially if the Dolby Digital encoder option is installed.
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Troubleshooting
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