Drive-In Theaters: Evolution of Sound
The sound quality was an issue in the early days, with the sound system producing low voice for the cars on the back, and too much noise for the neighbours.
This early technology was called ‘directional sound’ and was replaced by the in-car speakers later.
11
48 reads
The idea is part of this collection:
Learn more about personaldevelopment with this collection
Leonardo da Vinci's creative process
How to approach problem-solving like da Vinci
The importance of curiosity and observation
Related collections
Similar ideas to Drive-In Theaters: Evolution of Sound
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...
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Personalized microlearning
—
100+ Learning Journeys
—
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates