Deutsche Bahn: int.bahn.de - Your mobility portal for travelling by rail. Information, train tickets, online tickets, regional day tickets, low-cost offers for holidays and travel.

In electronics, the gains of amplifiers, attenuation of signals, and signal-to-noise ratios are often expressed in decibels. The decibel originates from methods used to quantify signal loss in telegraph …

A global bank with global opportunities – discover careers with a difference at Deutsche Bank.

Decibel (Symbol: dB) is a logarithmic unit that indicates ratio or gain. Decibel is used to indicate the level of acoustic waves and electronic signals. The logarithmic scale can describe very big or very small …

Oct 31, 2025 · decibel (dB), unit for expressing the ratio between two physical quantities, usually amounts of acoustic or electric power, or for measuring the relative loudness of sounds.

Sign in to your Google Account to copy and modify an example spreadsheet with the dB (A), dB (B) and dB (C) calculation and the graph below.

Here, the square brackets mean “units of dB”. Notice that this formula is easy to remember because it has lots of tens, hence the “deci-” in “decibels”.

A decibel (dB) is a unit used to measure the intensity or power level of sound or signal. It represents the logarithmic ratio between the measured value and a reference value, typically the threshold of …

dB (G) measurements use a narrow band filter that gives high weighting to frequencies between 1 and 20 Hz, and low weighting to others. It thus gives large values for sounds and infrasounds that cannot …

Aug 14, 2025 · A dB or decibel is a measuring unit that evaluates the relative power or intensity of sound, generally in contrast with a reference point.