Adaptations and Misinformations

Wikipedia tells me that my dial tone is two overlapping tones:

One tone sounds at

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.

The other tone sounds at

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.

Together they sound like

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.

Meryl Streep and Chris Cooper, acting, claimed (implicitly) that the dial tone was

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.

However, after careful research, I discovered that, while Chris Cooper is humming a note around 350 Hz, Meryl Streep is humming a note closer to

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.

That’s about 276 Hz or about a C#/Db!¹

Movies, I’m through believing everything you do!