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Audio Terms and Definitions - Audioholics
https://www.audioholics.com/how-to-shop/audio-terms-and-definitions
Acoustics - the science or study of sound. Alternating (AC) Current - currents that have a harmonic time dependence. Ampere (A) - the unit of measurement for electrical current in coulombs per second. Amplifier - an electrical circuit designed to increase the current or voltage of an applied signal. Amplitude - the relative magnitude of a signal.
HighDef Glossary of Terms
http://www.highdef.com/library/glossary.htm
A format which uses DV cassette tapes for recording and playback of high-definition video. The HDV format includes 720p (progressive) and 1080i (interlace) specifications. The HDV format specifies the data recording of MPEG2 inter-frame compressed high-definition signals at either 19Mb/s or 25Mb/s. High Definition
High-resolution audio: everything you need to know | …
https://www.whathifi.com/us/advice/high-resolution-audio-everything-you-need-to-know
In its simplest terms, hi-res audio tends to refer to music files that have a higher sampling frequency and/or bit depth than CD, which is specified at 16-bit/44.1kHz. Sampling frequency (or sample rate) refers to the number of times samples of the signal are taken per second during the analogue-to-digital conversion process.
High-resolution audio - Wikipedia
https://en.wikipedia.org/wiki/High-resolution_audio
High-resolution audio ( High-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, there also exist 44.1 kHz/24-bit, 48 kHz/24-bit and 88.2 kHz/24-bit recordings that are labeled HD Audio.
The Beginner’s Guide to Hi-Res Audio | Sonos Blog
https://blog.sonos.com/en-us/hi-res-audio-guide
Here’s why: While the professional audio community is in agreement on what constitutes hi-res audio (24-bit), there isn’t a solid, agreed upon definition for HiFi and HD. If you see those terms, they might be used to refer to CD-quality (16-bit), hi-res (24-bit), or something else.
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