Hacker News with Generative AI: Sound

Ask HN: Seeking device to normalize audio output for consistent volume levels (ycombinator.com)
Hello hn. I'm looking for a device that I can insert between the audio output and speaker to normalize the audio.

Audio Engineering, Hardware, Sound, Audio Output

39 points by ghoomketu 3 days ago | 49 comments

Grug’s Guide to Sound (petrustheron.com)

Audio, Sound, Guides, Humor

33 points by dustingetz 34 days ago | 5 comments

The Color of Noise (2014) (caseymuratori.com)
Everyone knows what “white noise” is, at least intuitively. People say “white noise” to refer to the static on an analog radio or the sound of ocean waves breaking on the beach. But have you ever wondered why the term “white noise” is common, yet you never hear noise referred to as being any other color, like “red noise” or “green noise”?

Sound, Acoustics, Terminology, Audio

80 points by ekzhang 47 days ago | 12 comments

Psychoacoustic and archeoacoustic nature of ancient Aztec skull whistles (nature.com)
Archaeologists have discovered numerous ceramic or clay whistles at Aztec sites, dubbed "death whistles" because of their distinctive skull shapes.

Archaeology, History, Mexico, Sound, Ancient Civilizations

62 points by tosh 57 days ago | 33 comments

The scary sound of Aztec skull whistles (caneuro.github.io)
The scary sound of Aztec skull whistles

Archaeology, History, Music, Sound

36 points by Borrible 60 days ago | 30 comments

Study reveals Starship's sound levels; shows differences between SLS, Falcon 9 (nasaspaceflight.com)
When SpaceX launched Starship and Super Heavy for its first flight test in April 2023, the rocket became the most powerful ever flown, mostly due in part to Super Heavy’s 33 Raptor engines.

Space Exploration, Rocketry, SpaceX, NASA, Sound

3 points by dangle1 61 days ago | 0 comments

Chi-fi tuning – Why it sounds piercing to Western ears (2020) (audioreviews.org)

Audio, Music, Culture, Sound

68 points by userbinator 76 days ago | 53 comments

The Sound of the Dialup, Pictured (2012) (windytan.com)
If you ever connected to the Internet before the 2000s, you probably remember that it made a peculiar sound. But despite becoming so familiar, it remained a mystery for most of us. What do these sounds mean?

Internet History, Sound, Technology, Nostalgia

25 points by steamingpenis 93 days ago | 2 comments

Why does FM sound better than AM? (johndcook.com)
The original form of radio broadcast was amplitude modulation (AM). With AM radio, the changes in the amplitude of the carrier wave carries the signal you want to broadcast.

Radio, Audio, Technology, Sound

261 points by zdw 96 days ago | 267 comments

How electric trains work and why they make interesting sounds [video] (youtube.com)

Trains, Engineering, Sound, Videos

209 points by zdw 104 days ago | 76 comments

Can Brown Noise Turn Off Your Brain? (nytimes.com)
The noise sounds like wind, or heavy rain, or the steady hum of an airline jet. It sounds like water rushing somewhere in the distance, like a gentle fan ruffling currents of cool air. It’s soothing, steady, slightly rumbly.

Neuroscience, Sound, Sleep

16 points by thenobsta 108 days ago | 2 comments

Surprising sounds could cause riskier decision-making (news.yale.edu)
Yale researchers discovered that hearing an unexpected sound just before making a decision led people to make riskier choices.

Psychology, Decision Making, Research, Sound

19 points by amichail 111 days ago | 1 comments

Making a rickroll laser: A parametric speaker (10maurycy10.github.io)
Most speakers emit sound in all directions because they are relatively small compared to the wavelength.

Sound, Audio Engineering, DIY Projects, Lasers

190 points by pabs3 126 days ago | 61 comments

DOjS – A DOS JavaScript Canvas with Sound (github.com/SuperIlu)

JavaScript, Sound, Canvas, Web Development, Art

193 points by AlexeyBrin 138 days ago | 33 comments

"Frost crack" sounds may come from sky, not trees (nautil.us)

Nature, Science, Sound, Environment

298 points by jnord 157 days ago | 82 comments

What makes e natural? (2004) (komal.hu)

Music, Theory, Sound

100 points by pbamotra 199 days ago | 91 comments

Sharing wildlife sounds from all over the world (xeno-canto.org)