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Linear Acoustic AERO.one 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. Normally, we recommend that watermarking gear be in-
stalled ahead of any audio processing. This is a change from previous recommendations
that suggested installation between processing and Dolby Digital (AC-3) encoding. Install-
ing prior to upmixing allows over-writing of the watermark to be performed, however this
process is more difficult if performed 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.
43
Troubleshooting
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