Spectrogram
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 Spectrogram of an FM signal. In this case the signal frequency is modulated with a sinusoidal frequency vs. time profile |
A spectrogram is a time-varying spectral representation (forming an image) that shows how the spectral density of a signal varies with time. Also known as spectral waterfalls, sonograms, voiceprints, or voicegrams, spectrograms are used to identify phonetic sounds, to analyse the cries of animals; they were also used in many other fields including music, sonar/radar, speech processing, seismology, etc. The instrument that generates a spectrogram is called a spectrograph.
- See also: Wikipedia, Wiktionary, Commons
- Related: Acoustic signature, Bloop, Frequency spectrum, Reassignment method, Short-time Fourier transform, Scaleogram, Spectral music, Spectrometer, Spectrum, Strobe tuner, Time-frequency representation, Waterfall plot, Wavelet transform
| Generating a tone sequence whose spectrogram match... Generating a tone sequence whose spectrogram matches an arbitrary text, online www.audiocheck.net/audiocheck_spectrotyper.php - Web |
| Further information on creating a signal whose spe... Further information on creating a signal whose spectrogram is an arbitrary image devrand.org/show_item.html?item=64&page=Project - Web |
| Article describing the development of a software s... Article describing the development of a software spectrogram kdenlive.org/.../introducing-scopes-audio-spectrum-and-spectrogram - Web |
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| History of spectrograms & development of instrumen... History of spectrograms & development of instrumentation www.spectrogramsforspeech.com/.../ - Web |
