On: Why does FM sound better than AM?

[brudgers]

And because FM broadcast radio caps audio at 15KHz, a CD “sounds better” than FM…yes, back in the day am SM57 was often good enough.

[tzs → brudgers]

…if you are young enough. By somewhere around 25 to 30 most people won’t be able to hear above 15 KHz.

I’m a little surprised I’ve not seen audio equipment specifically for older people that just covers what they can hear.

[brudgers → tzs]

Some plausible reasons:

1. Smaller market than more general market.

2. HiFi is a proven market.

3. “You are dying” is not a great marketing subtext.

4. Digital audio jellybeans produce 20khz and adding a low pass filter adds cost.

5. If a person only hears to 12KHz, there’s no advantage to a low pass filter.