The article does indicate that animals were sensitive to the noises:
“It did have its flaws: people found that jingling keys or coins could be picked up by the TV’s microphones and accidentally change the channel, and the high-pitch frequencies from the remote were discernible by pets.”
I thought this thing was a gag at first, but that’s actually really clever. I wonder if dogs would hate it.
The article does indicate that animals were sensitive to the noises:
“It did have its flaws: people found that jingling keys or coins could be picked up by the TV’s microphones and accidentally change the channel, and the high-pitch frequencies from the remote were discernible by pets.”