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Decibel

Most acoustical data uses „dB“ scales. Therefore, it is unavoidable to do the logarithmic dance, in order to interpret measurements. Let us take a short look at it. A perfect human hearing resolves acoustical powers […]

David   Acoustics
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HiFi store owner appreciates TestHiFi – now customers will better understand HiFi

Vienna, on a sunny afternoon in June, we entered the store “Raum-Akustik” of Georg Wölfl in the 8th district. In the first second you recognize, this store is unique. Georg opened it in 1977 and you […]

Wilhelm   Allgemein
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Wavelength

Sounds, pure tones and sinusoids. Most musical sounds contain a complex mixture of frequencies. Hence, the spectrum of music usually has a wide range. But for measurements and theoretical considerations we often look at so-called […]

David   Acoustics
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Why ambience, the room you are listening in, influence the sound you hear?

The environment, the ambience or the room you are listening in, influence the sound you hear, no matter how good the sound source or the reproduction system are. TestHiFi limits the ambience influence on its […]

Wilhelm   HiFi - explanation
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TestHiFi user experience leads to a better listening experience

Just recently a TestHiFi user has contacted us, after he observed some variance in ratings. Various tests of the same audio system using two iPhones presented these different ratings. However, since TestHiFi delivers pretty stable […]

Wilhelm   Allgemein
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Acoustics – Introduction

TestHiFi is easy to use and provides meaningful measurements. The app TestHiFi is programmed to measure and interpret acoustical data most easily. Consequently, it does not need any understanding of the theory behind measurements and acoustics. Although the […]

David   Acoustics
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Frequently Asked Questions – FAQ

FAQ 01 – Besides quality rankings of new equipment considered for purchase or checking stuff we already own – what else can I measure with TestHiFi? test before you buy used equipment adjust optimum listening […]

David   FAQ
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How you simply test with TestHiFi

You could test your audio system in the quietest room on earth, with no reflections of sound and no ambience influences. Or you use TestHiFi – a simple tool that you can use everywhere to […]

Wilhelm   Allgemein
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What is HiFi – technical explanations

What is HiFi? If you buy a TV, existing standards like „High Definition“ or „4k“ define the visual display resolution. If you buy a music system, there is no corresponding HiFi (High Fidelity) sound reproduction […]

Marie Hoffelner   HiFi - explanation
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What is HiFi – subjective explanations

High Fidelity derives from the Latin word fidēlis, which means „faithful or loyal“. It is about how faithful and loyal audio systems record and playback the sound. Ok, but what is HiFi? Sound is subjective […]

testhifi-admin   HiFi - explanation
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