Audio signal
This article relies largely or entirely on a single source. (August 2020) |
An audio signal is a representation of
convert an electrical audio signal back into sound.Digital audio systems represent audio signals in a variety of digital formats.[1]
An audio channel or audio track is an audio signal
Signal flow
Signal flow is the path an audio signal will take from source to the speaker or recording device. Signal flow may be short and simple as in a home audio system or long and convoluted in a recording studio and larger sound reinforcement system as the signal may pass through many sections of a large mixing console, external audio equipment, and even different rooms.
Parameters
Audio signals may be characterized by parameters such as their
Audio signals have somewhat standardized levels depending on the application. Outputs of professional mixing consoles are most commonly at line level. Consumer audio equipment will also output at a lower line level. Microphones generally output at an even lower level, known as mic level.
Digital equivalent
The digital form of an audio signal is used in audio plug-ins and digital audio workstation (DAW) software. The digital information passing through the DAW (i.e. from an audio track through a plug-in and out a hardware output) is an audio signal.
A digital audio signal can be sent over
.See also
References
- ISBN 978-1-4411-5607-5.
External links
- Media related to Audio signal at Wikimedia Commons