This page lists the most common digital interface standards used to connect between digital mixers, recorders, editing systems and microphones etc. Contents ADAT AES/EBU SPDIF SDIF TDIF-1 Mitsubishi ProDigi MADI Yamaha ADAT ADAT is an acronym for Alesis Digital Audio Tape, a format for recording 8 tracks of digital audio onto Super VHS magnetic tape.…

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An ATA Carnet is a multi-part document which is used to confirm an inventory of items which are taken out of the EU and returned within a pre-determined time. This is to prove that they have not been exported, or indeed imported when you return. Failure to complete all sections properly at any point when…

Running a business, owed money from another business? Then you have a statutory right to interest and compensation under the Late Payment of Commercial Debts (Interest) Act 1998 (as amended). There is no obligation to charge interest or claim compensation on a late payment, you just have a legal right to do so. Be aware…

Automated Dialog Replacement (ADR) was used by the Magnatech Corp as a marketing phrase (mid 1960s). Magnatech made the system which comprised the projector, the recorder and the control box. It enabled record drop-ins and -outs across 3 tracks (3 attempts) to be programmed to the footage counter, and the whole reel of 10 minutes…

Alternating Current or AC refers to a flow of electrons that reverses in direction in a cyclical manner

AFL may be After-Fader Listen or After-Fader Level, depending on whether the user is more concerned with the quality and/or content of the signal or with its level. It is similar in operation to Pre-Fader Listen (PFL) except that the signal is derived after the channel fader instead of before. As AFL is also derived…

Analogue audio signal levels have historically been categorised for professional usage in two groups – microphone level (low) and line level (high). Domestic equipment generally falls into a third category, just below professional line level. Signal levels are measured using units based on the Decibel. There are many different types of Level Meter used for…

Critical Distance or Dc is the distance from a sound source where the level of direct sound equals that of any reverberant sound. Dc applies to all sound gathering but measuring it is normally only required when advance planning of microphone positions is needed. Critical Distance does not dictate where a microphone must be placed…

An acronym for Root Mean Square, a mathematical means of calculating the average level of a varying audio signal for the purposes of metering or estimating the power of, for example, loudspeaker amplifiers.