enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Isobaric loudspeaker - Wikipedia

   en.wikipedia.org/wiki/Isobaric_loudspeaker

   In isobaric designs, the two drivers are placed either "cone to magnet" and wired in phase with one another or "cone to cone" or "magnet to magnet" and wired out of phase with one another so that their cones move together when driven with an audio signal. The term “isobaric” points to the somewhat erroneous notion that the air pressure in ...

3. RCA Photophone - Wikipedia

   en.wikipedia.org/wiki/RCA_Photophone

   Whereas the Western Electric/Westrex recorders with the ca. 1938 4-ribbon light valve (RA-1231, e.g., but not RA-1231A) were inherently capable of producing time-aligned sound negatives. The Westrex system was renamed Photophone after the Western Electric and Westrex registered trademarks were sold by AT&T and Litton Industries, respectively ...

4. Yathrib, Iraq - Wikipedia

   en.wikipedia.org/wiki/Yathrib,_Iraq

   Yathrib (Arabic: ناحية يثرب. ), also transliterated Yethrib is a city in the Salah ad Din Governorate , [ 1 ] Iraq , 45 kilometres (28 mi) [ 2 ] directly north of the national capital, Baghdad .

5. Optical sound - Wikipedia

   en.wikipedia.org/wiki/Optical_sound

   A fourth major contender for the sound film market - Warner Brothers' Vitaphone sound-on-disc system which synchronized large-size (16") phonographic records with a film's projector was used on early talkies, such as their' 1927 hit The Jazz Singer (which was marketed as being "all singing" though the talking was sporadic, used in only several ...

6. 5.1 surround sound - Wikipedia

   en.wikipedia.org/wiki/5.1_surround_sound

   The left and right surround speakers in the bottom line create the surround sound effect. 5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full-bandwidth channels and one low-frequency effects channel (the "point one"). [2]

7. Hafler circuit - Wikipedia

   en.wikipedia.org/wiki/Hafler_circuit

   The Hafler circuit is a passive electronics circuit with the aim of getting derived surround sound or ambiophony from regular stereo recordings without using costly electronics. Such circuits are generally known as matrix decoders. The Dynaquad system works using similar principles. [1]