Hard disk / computer-based recording
One of the biggest trends in audio production in recent years has been to combine digital audio with computer technology to create a sample-based approach to sound recording. The encoding of audio data in digital memory or a storage medium gives us a way to store or manipulate defined blocks of digital data. These data can be stored in an audio file such as. Wav,. Aiff or SDII.
Perhaps the most important difference that can distinguish between tape-based system (digital or analog), and the storage system based sample is random access. Random access refers to the production of the fact that digital audio can be stored in a retrieval from memory (RAM) or disk-based storage medium, so that data can be - almost instantaneously - can be used to treat or reproduced in any order at any time.
Once developers have begun to design the software update edition of the show, it was discovered that through additional processing equipment, digital audio editors can record sound directly digitized in a computer hard disk. These devices, sometimes known as a workstation, digital audio (DAW), the use of hardware and software based, which are specifically intended for recording, manipulation and playback of digital audio found on the hard disk.
Generally, these devices are designed around a standard computer and monitor, plus a sound card that allows entry and exit of interaction with the computer.
There are several advantages to using digital audio workstations in an audio production.
- Ability to manage long audio files. HDD recording is only limited by the size of the disk itself (usually a minute stereo recording at 44.1 kHz occupies 10.5 MB of memory and 5 MB hard disk / track minute).
- Random Access publication. Because sound is recorded on the hard drive anywhere in the program can be accessed at any time, regardless of the order in which they are registered.
- Nondestructive editing allows audio segments (often called districts) can be in any order, manipulated in any way without changing the originally recorded audio files in any way.
- DSP. Digital signal processing can be performed on a segment or a sound file across either real time or non real-time on a non-destructive.
- In addition to these advantages, the computer-based digital audio devices are used to integrate most of the tasks related to the production of digital audio and MIDI. Many DAW capable of importing, processing and export of audio files in formats such as real players, mp3 or G2.
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