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• #59433 mikrofon veterán VoidXs #59400

  Új Válasz 2021-01-15 15:05:54 #59433

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  mikrofon

  veterán

  válasz VoidXs #59400 üzenetére

  Minap futottam bele ebbe, mikor kerestem a DSP beállításokat a Yamaha erősítőhöz.

  What is it?
  
  A 'reference' level is simply a commonly agreed upon setup so that playing a source on multiple setups produces the same volumes, peaks and quiets. The most common one used for home cinema is based upon a 'peak' of 105db. This is the maximum which will be touched on with the loudest explosions (i.e. audio signal at 0dB). Most standard dialogue will be intended to come out around 85dB at these levels. (referred to as 20dB of 'headroom').
  
  The master volume on most AV receivers is referred to as dBFS (decibels Full Scale) and goes from -80 to +20dB or thereabouts. This allows significant adjustment and in principle, the 0dB setting on your receiver plays the sound at the volume it is 'supposed' to be or at reference level. This guide helps you to confirm that 0dB on your receiver is at reference level.
  
  Most home cinema receivers have a test tone of pink noise, which is recorded at -30dB relative to full scale (simply because listening to a test tone at 105dB isn't going to be comfortable). The principle being you can play the test tone, set your speakers to output 75dB at the listening point with a sound meter and this corresponds with a reference level of 105dB (30+75=105dB)
  
  How do I do this?
  The explanation below is for a Yamaha RXV-675 but the principle and instructions are much the same. This is all manual setup. It presumes you have already set the correct speaker distance, speaker sizes and crossover points if applicable.

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