The process is reversed in sound reproduction, and the variations stored on the medium are transformed back into sound waves.Īcoustic analog recording is achieved by a microphone diaphragm that senses changes in atmospheric pressure caused by acoustic sound waves and records them as a mechanical representation of the sound waves on a medium such as a phonograph record (in which a stylus cuts grooves on a record). Sound recording is the transcription of invisible vibrations in air onto a storage medium such as a phonograph disc. The two main classes of sound recording technology are analog recording and digital recording.
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. Compatibility with Current Equipment Equipment with Dolby Digital Plus will unlock its full feature set, including 5.1- and 7.1-channel capability (depending on the program).Frances Densmore recording Blackfoot chief Mountain Chief on a cylinder phonograph for the Bureau of American Ethnology (1916) Dolby Digital Plus makes it possible to store and transmit high-quality digital sound to deliver the best audio quality possible on many different kinds of devices. How It Works Based on both psychoacoustic and cognitive models of audio perception, Dolby Digital Plus delivers HD-quality audio for streaming, on-demand, and downloaded content by using some of our most advanced algorithms.
It's part of a complete ecosystem that includes content creation, program distribution, device manufacture, and customer experience. The Technology Dolby Digital Plus is an audio technology based on Dolby Digital 5.1, the established standard for cinema, broadcast, and home theater surround sound. Whether you're watching movies, TV shows, online videos, or concerts, Dolby Digital Plus ensures that you always get consistent audio quality. Dolby Digital Plus: Consistent Quality on Every Device Enjoy vibrant, high-quality surround sound from all your favorite content with Dolby Digital Plus™.
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