reference audio level

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• Reference tone — PP An audio tone of fixed frequency and amplitude that occurs at the beginning of a tape or reel, allowing the operator to set the correct audio level for playback …   Audio and video glossary

• Audio system measurements — are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative… …   Wikipedia

• Audio noise measurement — is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi Fi).Noise in general refers to unwanted sound, often loud, but in audio systems it is the low level hiss or …   Wikipedia

• Audio quality measurement — seeks to quantify the various forms of corruption present in an audio system or device. The results of such measurement are used to maintain standards in broadcasting, to compile specifications, and to compare pieces of equipment. The need for… …   Wikipedia

• Audio Video Interleave — Filename extension .avi Internet media type video/vnd.avi[1] video/avi video/msvideo video/x msvideo Type code Vfw Uniform Type Identifier …   Wikipedia

• Reference tone — A reference tone is a pure tone corresponding to a known frequency, and produced at a stable sound pressure level (volume), usually by specialized equipment.In mediaThe most common reference tone in audio engineering is a Audio|1000Hz.ogg|1000 Hz …   Wikipedia

• Audio Engineering Society, Coarse-groove Calibration Discs — Libraries and archives around the world have collections of many thousands of coarse groove mechanical audio recordings, phonograph or gramophone records, largely 78s or 78 rpm discs. This is a substantial recorded heritage of mankind s music and …   Wikipedia

• Level — F/A/V The ratio of an acoustic quantity to a reference quantity. A measurement of amplitude in decibels. (Acoustics) A&V • The intensity of an electrical signal. • In routing switchers, an independently controllable stratum of signals within a… …   Audio and video glossary

• Alignment level — The alignment level in an audio signal chain or on an audio recording is a defined anchor point that represents a reasonable or typical level. It does not represent a particular sound level or signal level or digital representation, but it can be …   Wikipedia

• Professional audio — Professional audio, also pro audio , can be used a term to refer to both a type of audio equipment as well as a type of audio engineering application. Professional audio equipment can be used to describe any audio equipment used or marketed for… …   Wikipedia

• Line level — is a term used to denote the strength of an audio signal used to transmit analog sound information between audio components such as CD and DVD players, TVs, audio amplifiers, and mixing consoles, and sometimes MP3 players. In contrast to line… …   Wikipedia