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Digital audio is a representation of sound recorded in, or converted into, digital form. In digital audio, the sound wave of the audio signal is typically encoded as ...
The most recent and revolutionary developments have been in digital recording, with the development of various uncompressed and compressed digital audio file formats, processors capable and fast enough to convert the digital data to sound in real time, and inexpensive mass storage. [41] This generated new types of portable digital audio players.
The computer acts as a host for the sound card, while the software provides the interface and functionality for audio editing. The sound card typically converts analog audio signals into a digital form, and digital back to analog audio when playing it back; it may also assist in further processing of the audio.
An audio format is a medium for sound recording and reproduction.The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.
Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services. Example of a digital radio
Digital and analog differ in both the methods of transfer and storage, as well as the behavior exhibited by the systems due to these methods. The dynamic range capability of digital audio systems far exceeds that of analog audio systems. Consumer analog cassette tapes have a dynamic range of between 50 and 75 dB.
Audio levels display on a digital audio recorder . In digital recording, an audio or video signal is converted into a stream of discrete numbers representing the changes over time in air pressure for audio, or chroma and luminance values for video. This number stream is saved to a storage device.
Digital audio is sound (often music or speech) which is recorded (born-digital) or converted from analog sources and stored in a digital format. Digital audio can be stored on a variety of storage media, including compact disc, audio CD, audio DVD, DAT tape, or as a computer file. Playing equipment decodes the stored signal.