Definition of Delivered Audio Quality
Delivered Audio Quality, abbreviated as DAQ, is a measure of audio quality over a transmission medium. This metric is often used to quantify the quality of audio heard over a radio system. DAQ levels are defined by the following scale.
DAQ 1: Unusable. Speech present but not understandable.
DAQ 2: Speech understandable with considerable effort. Requires frequent repetition due to noise or distortion.
Terms mentioned above
Related terms
Professional audio
Professional audio, abbreviated as pro audio, refers to both an activity and a category…
Signal-to-noise ratio
Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that…
Fundamental frequency
The fundamental frequency, often referred to simply as the fundamental (abbreviated as…
Comfort noise
Comfort noise (or comfort tone) is synthetic background noise used in radio and Wireless…
Acoustic attenuation
In acoustics, acoustic attenuation is a measure of the energy loss of sound propagation…
Speech transmission index
Speech transmission index (STI) is a measure of speech transmission quality. The…
EBU R 128
EBU R 128 is a recommendation for loudness normalisation and maximum level of audio…
AES3
AES3 is a standard for the exchange of digital audio signals between professional audio…
Pre-echo
In audio signal processing, pre-echo, is a digital audio compression artifact where in…
Frequently asked questions
What is Delivered Audio Quality?
Delivered Audio Quality, abbreviated as DAQ, is a measure of audio quality over a transmission medium. This metric is often used to quantify the quality of audio heard over a radio system. DAQ levels are defined by the following scale.