Spectrum Analysers
Is your Hi-res download true Hi-res or just a up-sampled CD?
Spectrum analysers will tell you if there is live above 20 kHz.
Spek – Acoustic Spectrum Analyser
- Supports all popular lossy and lossless audio file formats thanks to the FFmpeg libraries.
- Ultra-fast signal processing, uses multiple threads to further speed up the analysis.
- High number of frequency bands for the best spectrogram quality.
- Shows the codec name and the audio signal parameters.
- Allows to save the spectrogram as an image file.
- Drag-and-drop support; associates with common audio file formats.
- Auto-fitting time, frequency and spectral density rulers.
- Available in Dutch, English, French, German, Polish, Russian, Spanish, Swedish and Ukrainian.
Sonic Visualiser
Sonic Visualiser is an application for viewing and analysing the contents of music audio files.
We hope Sonic Visualiser will be of particular interest to musicologists, archivists, signal-processing researchers and anyone else looking for a friendly way to take a look at what lies inside the audio file.
Sonic Visualiser is Free Software, distributed under the GNU General Public License (v2 or later) and available for Linux, OS/X, and Windows. It was developed at the Centre for Digital Music at Queen Mary, University of London.
Source: Centre for Digital Music, Queen Mary, University of London.
© Vincent Kars October 2011