![]() I chose this because the harmonic content of her playing on her Guarnerius violin on occasion extends beyond 20kHz (about the top limit for a quality CD), and her playing is accompanied by a full classical orchestra. For my source I used a few seconds of a CD recording of the violinist Sophie Mutter playing part of Mozart’s A-major violin concerto. You may not be aware of this frequency loss if you’re listening on low-end audio equipment, but it is very definitely there.įor my own interest I’ve done a little research into this effect. Mp3 is very convenient for this but is what is known as a “lossy” format – which means the price you pay for a compressed file size is a loss of frequencies throughout the audio spectrum of the recording. Most of us at some time or other convert an audio recording to the more compact mp3 format for storage, or for play-back on mp3 players, or for sending audio files through web-space.
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