16 Facts About Digital audio

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 numerical samples in a continuous sequence.

For example, in CD Digital audio, samples are taken 44, 100 times per second, each with 16-bit sample depth.

Digital audio is the name for the entire technology of sound recording and reproduction using audio signals that have been encoded in digital form.

Unlike analog audio, in which making copies of a recording results in generation loss and degradation of signal quality, digital audio allows an infinite number of copies to be made without any degradation of signal quality.

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Digital audio technologies are used in the recording, manipulation, mass-production, and distribution of sound, including recordings of songs, instrumental pieces, podcasts, sound effects, and other sounds.

The process is reversed for reproduction: the electrical Digital audio signal is amplified and then converted back into physical waveforms via a loudspeaker.

Analog Digital audio retains its fundamental wave-like characteristics throughout its storage, transformation, duplication, and amplification.

Analog Digital audio signals are susceptible to noise and distortion, due to the innate characteristics of electronic circuits and associated devices.

Digital audio can be stored on a CD, a digital audio player, a hard drive, a USB flash drive, or any other digital data storage device.

Digital audio can be carried over digital audio interfaces such as AES3 or MADI.

Digital audio can be carried over a network using audio over Ethernet, audio over IP or other streaming media standards and systems.

Playback, digital audio must be converted back to an analog signal with a DAC.

PCM adaptors allowed for stereo digital audio recording on a conventional NTCS or PAL video tape recorder.

Standard technologies include Digital audio broadcasting, Digital Radio Mondiale (DRM), HD Radio and In-band on-channel (IBOC).

Digital audio in recording applications is stored on audio-specific technologies including CD, Digital Audio Tape, Digital Compact Cassette (DCC) and MiniDisc.