# quadraphonic sound

> sound that uses four channels in which speakers are positioned at the four corners of the listening space

**Wikidata**: [Q782526](https://www.wikidata.org/wiki/Q782526)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Quadraphonic_sound)  
**Source**: https://4ort.xyz/entity/quadraphonic-sound

## Summary
Quadraphonic sound is a type of surround sound system that uses four channels, with speakers positioned at the four corners of the listening space. It is a subset of surround sound technology, offering a more immersive audio experience by placing sound sources around the listener rather than just in front of them.

## Key Facts
- Quadraphonic sound is a classification of surround sound systems.
- It utilizes four audio channels, with speakers placed at the four corners of the listening area.
- The term has aliases such as quadrasonic, Cuadrafonico, tétraphonie, Quadrophonie, Vierkanalstereofonie, and estéreo 4.0.
- The concept is referenced in Freebase with the ID /m/01glbs, as of October 28, 2013.
- Quadraphonic sound has Wikipedia articles in multiple languages, including English, Spanish, French, and German.
- The Wikidata description of quadraphonic sound matches the provided definition.
- The term has 18 sitelinks across various knowledge bases and platforms.
- An image depicting quadraphonic speaker placement is available on Wikimedia Commons.

## FAQs
**What is the difference between quadraphonic sound and other surround sound formats?**
Quadraphonic sound is a specific type of surround sound that uses four channels, with speakers positioned at the four corners of the listening space. Unlike stereo or 5.1 surround sound, it does not include a center or low-frequency channel, focusing solely on the four corner positions.

**How does quadraphonic sound enhance the listening experience?**
Quadraphonic sound creates a more immersive audio environment by placing sound sources around the listener, rather than just in front of them. This setup allows for a wider and more natural distribution of audio, making it feel more like the sound is coming from all directions.

**What are the common aliases for quadraphonic sound?**
Quadraphonic sound is also referred to as quadrasonic, Cuadrafonico, tétraphonie, Quadrophonie, Vierkanalstereofonie, and estéreo 4.0 in different languages and contexts.

**Where can I find more information about quadraphonic sound?**
Quadraphonic sound has Wikipedia articles available in multiple languages, including English, Spanish, French, and German. Additionally, it is referenced in knowledge bases such as Freebase and Wikidata.

## Why It Matters
Quadraphonic sound represents an early innovation in surround sound technology, providing a more immersive audio experience by utilizing four channels positioned at the corners of the listening space. Unlike stereo sound, which only places speakers in front of the listener, quadraphonic sound simulates a three-dimensional sound field, making it feel as though the listener is surrounded by sound. This technology laid the groundwork for more advanced surround sound systems, such as 5.1 and 7.1 configurations, by demonstrating the effectiveness of multi-channel audio in creating a more realistic and engaging listening experience.

## Notable For
- Quadraphonic sound is a foundational subset of surround sound technology.
- It uses four channels, with speakers placed at the four corners of the listening space.
- The term has multiple language-specific aliases, reflecting its global adoption.
- Quadraphonic sound is referenced in knowledge bases like Freebase and Wikidata.
- An image depicting quadraphonic speaker placement is available on Wikimedia Commons.

## Body
### Classification and Definition
Quadraphonic sound is a specific type of surround sound system that uses four audio channels. Unlike stereo sound, which typically uses two channels, quadraphonic sound places speakers at the four corners of the listening area, creating a more immersive audio environment. This setup allows for sound to be distributed around the listener, simulating a three-dimensional sound field.

### Technical Specifications
Quadraphonic sound utilizes four channels, with each channel corresponding to a speaker positioned at one of the four corners of the listening space. This configuration does not include a center or low-frequency channel, focusing solely on the four corner positions. The term has multiple aliases, including quadrasonic, Cuadrafonico, tétraphonie, Quadrophonie, Vierkanalstereofonie, and estéreo 4.0, reflecting its use in different languages and contexts.

### Historical Context
Quadraphonic sound was developed as an early innovation in surround sound technology. It laid the groundwork for more advanced surround sound systems, such as 5.1 and 7.1 configurations, by demonstrating the effectiveness of multi-channel audio in creating a more realistic and engaging listening experience. The concept is referenced in knowledge bases like Freebase and Wikidata, with the term having 18 sitelinks across various platforms.

### Media and Representation
Quadraphonic sound has Wikipedia articles available in multiple languages, including English, Spanish, French, and German. An image depicting quadraphonic speaker placement is available on Wikimedia Commons, providing a visual representation of the technology. The term is also referenced in academic and knowledge-based sources, ensuring its recognition and understanding in the field of audio technology.

### Impact and Influence
Quadraphonic sound has had a significant impact on the development of surround sound technology. By demonstrating the effectiveness of multi-channel audio, it paved the way for more advanced surround sound systems. The technology's focus on placing speakers at the four corners of the listening space created a more immersive and natural audio experience, influencing the design of subsequent surround sound configurations.

## References

1. Freebase Data Dumps. 2013
2. GF WordNet