The history of headphones - Deepstash
How To Give And Receive Constructive Criticism

Learn more about leadershipandmanagement with this collection

Understanding the importance of constructive criticism

How to receive constructive criticism positively

How to use constructive criticism to improve performance

How To Give And Receive Constructive Criticism

Discover 110 similar ideas in

It takes just

14 mins to read

The history of headphones

  • Until the 1950s, people used headphones almost exclusively for radio communication.
  • In 1958, John C. Koss introduced the Koss SP3 Steroephones along with a portable phonograph to patients in Milwaukee hospitals that proved revolutionary because their sound quality made them optimal for listening to music.
  • 1979: The Sony "Walkman" created a need for a portable headphone and a lightweight set of MDR-3L2 headphones was included with the portable cassette player.
  • In 1978, Dr. Amar Bose, while on a flight, tried an early set of electronic headphones used for passenger entertainment. But the cabin noise made it impossible to hear anything. He returned to Boston and investigated how ambient noise could be reduced with active noise cancellation.
  • In 1989, the Noise Reduction Technology Group introduced the first noise-reduction headset, designed for the aviation industry.

85

468 reads

MORE IDEAS ON THIS

Portable headphones

  • Portable headphones became smaller and eventually lead to earbuds and in-earphones.
  • In 2001 Apple introduced the iPod, and later iPhone and iPad, comes with a set of white earbuds.
  • 2008. Hip hop artist and producer Dr. Dre and Interscope ...

72

473 reads

The invention of headphones

The invention of headphones

In 1910, Nathaniel Baldwin invented headphones. A prototype was sent to Lt. Comdr. A. J. Hepburn of the U.S. Navy. Hepburn tested the device and found it worked unexpectedly well to transmit sound.

The Navy began to ask for more headphones from Baldwin, who could only mana...

90

839 reads

CURATED FROM

CURATED BY

joshuamar

Problem solver. I think :)

Ready for the next level?

Read Like a Pro

stash-superman-illustration

Explore the World’s

Best Ideas

200,000+ ideas on pretty much any topic. Created by the smartest people around & well-organized so you can explore at will.

An Idea for Everything

Explore the biggest library of insights. And we've infused it with powerful filtering tools so you can easily find what you need.

Knowledge Library

Powerful Saving & Organizational Tools

Save ideas for later reading, for personalized stashes, or for remembering it later.

# Personal Growth

Take Your Ideas

Anywhere

Organize your ideas & listen on the go. And with Pro, there are no limits.

Listen on the go

Just press play and we take care of the words.

Never worry about spotty connections

No Internet access? No problem. Within the mobile app, all your ideas are available, even when offline.

Get Organized with Stashes

Ideas for your next work project? Quotes that inspire you? Put them in the right place so you never lose them.

Join

2 Million Stashers

4.8

5,740 Reviews

App Store

4.7

72,690 Reviews

Google Play

samz905

Don’t look further if you love learning new things. A refreshing concept that provides quick ideas for busy thought leaders.

Shankul Varada

Best app ever! You heard it right. This app has helped me get back on my quest to get things done while equipping myself with knowledge everyday.

Sean Green

Great interesting short snippets of informative articles. Highly recommended to anyone who loves information and lacks patience.

Ashley Anthony

This app is LOADED with RELEVANT, HELPFUL, AND EDUCATIONAL material. It is creatively intellectual, yet minimal enough to not overstimulate and create a learning block. I am exceptionally impressed with this app!

Ghazala Begum

Even five minutes a day will improve your thinking. I've come across new ideas and learnt to improve existing ways to become more motivated, confident and happier.

Giovanna Scalzone

Brilliant. It feels fresh and encouraging. So many interesting pieces of information that are just enough to absorb and apply. So happy I found this.

Jamyson Haug

Great for quick bits of information and interesting ideas around whatever topics you are interested in. Visually, it looks great as well.

Laetitia Berton

I have only been using it for a few days now, but I have found answers to questions I had never consciously formulated, or to problems I face everyday at work or at home. I wish I had found this earlier, highly recommended!

Read & Learn

20x Faster

without
deepstash

with
deepstash

with

deepstash

Access to 200,000+ ideas

Access to the mobile app

Unlimited idea saving & library

Unlimited history

Unlimited listening to ideas

Downloading & offline access

Personalized recommendations

FAQ

Claim Your Limited Offer

Get Deepstash Pro

Supercharge your mind with one idea per day

Enter your email and spend 1 minute every day to learn something new.

Email

I agree to receive email updates