History of Digital Audio 10, History of Digital Audio

Computer digital audio has a "long" history, probably about the same as the history of computers themselves. Early computer studios experimented with creating a variety of anamorphic sounds that could be used to add color to artists' work. Such experiments soon became more serious, and computer hardware and DSP developers began to explore building systems suitable for commercialization.

Max Matthews is the developer of the famous Music N system, and John Chowning's FM synthesis at Stanford University was used in Yamaha's DX7 synthesizer. The first instances of the separation of instruments from performance recordings that are so common today were the applications that quickly allowed computers to evolve from simple beeps to fully audio machines (albeit non-real-time).

When computers became cheaper and home computers could be afforded, the use of these machines for recording (or at least arranging) aroused great interest. Early computers such as the Apple II and Commodore 64 weren't fast enough to make digital audio recordings (and actually lacked a hard disk to store the work), but some simple orchestration with the Mac's Alpha Syntauri composition system (including simple notation and waveform synthesis) and Commodore's Sequential Circuits sequencer was good enough. The simple software Electronic Arts Music Construction Set (MCS) was originally intended for many enthusiasts to use on their home computers, and it heralded the first great commercial success of computers and ** — MIDI.

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Principles and Applications of Digital Audio: Fourth Edition.

1. The different meanings of the two.

1. Digital audio.

Digital audio is the technology of recording, storing, compressing, or refining sound by digital means. It is a new sound processing method that has emerged with the development of digital signal processing technology, computer technology and multi-** technology.

2. Analog audio.

Analog audio is the technology of transmitting, recording, playback, and processing sound signals in an analog state. It is the most basic and traditional technology that sound systems rely on.

Second, different storage media.

1. Digital audio.

Digital audio is stored in a computer's hard drive, optical disc, and other media.

2. Analog audio.

Analog audio is typically stored in optical disc and cassette media.

3. The difference in sound quality between the two.

1. Digital audio.

Digital audio has high-fidelity audio quality that overcomes the drawbacks associated with analog audio technology.

2. Analog audio.

In the process of recording, transmitting, processing and amplifying analog audio signals, it is easy to produce distortion and noise, which makes it difficult to greatly improve the electroacoustic technical indicators of analog audio software and hardware.

Encyclopedia - Digital Audio.

Encyclopedia - Analog Audio.

Digitization means time and date.

Digitization refers to the transformation of any continuously changing input, such as a line or sound signal of a drawing, into a string of separate units, represented by 0s and 1s in a computer. This conversion is usually performed with an analog-to-digital converter.

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Recently, the International Phonographic Association (IFPI) released the 2017 Global ** Report. The global** market grew in 2016, the highest increase since 1997, when IFPI began tracking the market. Among the different types of revenue, digital revenue has accounted for 50%, while physical and ** revenue have decreased and respectively, and the world** has entered a veritable digital ** era.

Digital audio is a kind of technology that uses digital means to record, store, compress or improve the sound, and it is a new sound processing means formed with the development of digital signal processing technology, computer technology and multi-technology technology.

The main areas of application for digital audio are post-production and recording.

The storage of computer data is in the form of access, then digital audio is the first to convert the audio file, and then convert these level signals into binary data storage, when the data is converted into analog level signals and then sent to the speaker to broadcast, digital sound and general tape, radio, television in the sound in terms of storage is essentially different. In contrast, it has the characteristics of convenient storage, low storage cost, no sound distortion in the process of storage and transmission, and very convenient processing.