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Search references for SPECTROGRAM. Phrases containing SPECTROGRAM
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Visual representation of the spectrum of frequencies of a signal as it varies with time
A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms
Spectrogram
Condensed digital summary generated from an audio signal
creating a time-frequency graph called a spectrogram. Any piece of audio can be translated into a spectrogram. Each piece of audio is split into segments
Acoustic_fingerprint
1999 single by Aphex Twin
visual image of a spiral Problems playing this file? See media help. A spectrogram of "Windowlicker" reveals a spiral at the end of the song. An X-Y scatter
Windowlicker
List of unidentified or formerly unidentified sounds
attributed Bloop to a large icequake. Numerous icequakes share similar spectrograms with Bloop, as well as the amplitude necessary to spot them despite ranges
List_of_unexplained_sounds
Unexplained underwater sound
from the Sea". oceanexplorer.noaa.gov. Retrieved 2024-09-15. "Seismic spectrograms - PMEL Acoustics Program". www.pmel.noaa.gov. Retrieved 2024-09-16. "Do
Upsweep
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields
Glossary_of_astronomy
Sound made by a human being using the vocal tract
The spectrogram of the human voice reveals its rich harmonic content.
Human_voice
Generalized application of spectrograms
A generalized spectrogram, also called "two-window spectrogram", is a generalized application of spectrograms. In order to view a signal (taken to be
Generalized_spectrogram
Data visualization technique
such as rotational speed. Waterfall plots are also often used to depict spectrograms or cumulative spectral decay[definition needed] (CSD). The results of
Waterfall_plot
Underwater sound detected in 1997 from a non-tectonic cryoseism (ice quake)
cryoseism (also known as an ice quake). Numerous ice quakes share similar spectrograms with Bloop, as well as the amplitude necessary to detect them despite
Bloop
Quality of a musical note or sound or tone
loudness corresponds to brightness; pitch corresponds to the y-shift of the spectrogram. The Acoustical Society of America (ASA) Acoustical Terminology definition
Timbre
Signal processing algorithm
is a technique for sharpening a time-frequency representation (e.g. spectrogram or the short-time Fourier transform) by mapping the data to time-frequency
Reassignment_method
Whale who calls at unusual frequency
A spectrogram of the 52-hertz signal
52-hertz_whale
Phenomenon in materials science
1, but the batch prepared on April 15, 1980 exhibited a new infrared spectrogram peak at 1045 cm−1, demonstrating that a new crystal had appeared, designated
Disappearing_polymorph
Frequency swept signal
Spectrogram of a linear chirp. The spectrogram plot demonstrates the linear rate of change in frequency as a function of time, in this case from 0 to 7
Chirp
Corrupted spectrogram (top) and its reconstruction after performing audio inpainting (bottom)
Audio_inpainting
Soviet and Russian shortwave radio station
French-speaking persons were heard. In January 2022, various signals with spectrogram-encoded images, visible through a spectrum analyzer, were broadcast on
UVB-76
Search engine that returns audio results
based on an audio fingerprint based on a time-frequency graph called a spectrogram. Shazam stores a catalogue of audio fingerprints in a database. The user
Audio_search_engine
Alternate reality game timeline
of the MP3 was a few seconds of static, which, when analyzed under a spectrogram reveals an image of "The Presence." The same static is on the album at
Campaign timeline of Year Zero
Campaign_timeline_of_Year_Zero
Real-time text-to-speech AI tool
systems of that period. This higher fidelity created more detailed audio spectrograms and greater audio resolution with the tradeoff that imperfections in
15.ai
Audio analyser software
the spectrogram can be configured. There are three types of spectrogram: generic spectrogram melodic-range spectrogram peak-frequency spectrogram Generic
Sonic_Visualiser
Machine learning model for speech
converted to an 80-channel Log-magnitude Mel spectrogram using 25 ms windows with a 10 ms stride. The spectrogram is then normalized to a [-1, 1] range with
Whisper (speech recognition system)
Whisper_(speech_recognition_system)
shows the spectrogram of the audio file shown in Figure 1. Spectrogram is the square of STFT, time-varying spectral representation. The spectrogram of a signal
Time–frequency analysis for music signals
Time–frequency_analysis_for_music_signals
Fourier-related transform for signals that change over time
usually plots the changing spectra as a function of time, known as a spectrogram or waterfall plot, such as commonly used in software defined radio (SDR)
Short-time_Fourier_transform
Broadband electromagnetic impulse
appear as a single high-amplitude spike in the time-domain data. On a spectrogram, a sferic appears as a vertical stripe (reflecting its broadband and
Radio_atmospheric_signal
Generalized learning mechanism
A spectrogram of a male speaker saying the phrase "nineteenth century". There is no clear demarcation where one word ends and the next begins.
Statistical learning in language acquisition
Statistical_learning_in_language_acquisition
Spectrum of phonetic resonance in speech production
impression of several tones being sung at once. Spectrograms may be used to visualise formants. In spectrograms, it can be hard to distinguish formants from
Formant
Spectrogram of humpback whale vocalizations. Detail is shown for the first 24 seconds of the 37-second recording of humpback whale song. Spectrogram generated
List_of_whale_vocalizations
Branch of physics involving mechanical waves
visualization and measurement of acoustic signals and their properties. The spectrogram produced by such an instrument is a graphical display of the time varying
Acoustics
Structured system of communication
characterized by different formant structures, that are visible in a spectrogram of the recorded sound wave. Formants are the amplitude peaks in the frequency
Language
Open-source digital audio editor and recording software
allow for spectrum analysis using the Fourier transform algorithm and spectrograms. As with effects, additional analysis plugins can be added, such as ones
Audacity_(audio_editor)
Type of signal in signal processing
Spectrogram of pink noise (left) and white noise (right), shown with linear frequency axis (vertical) versus time axis (horizontal)
White_noise
Double-reed woodwind instrument
A spectrogram of the bassoon's B♭ in four octaves.
Bassoon
Topics referred to by the same term
2005 album by One Be Lo Sonograph, a term used for an audio-frequency spectrogram, a visual representation of the spectrum of frequencies in a sound Ultrasonogram
Sonogram
2015 viral video
encryption systems, have been found hidden in the video and its sound spectrogram, as well as images of tortured and mutilated people. Most of the messages
11B-X-1371
Lossy speech audio codec developed by Google
latency. The encoder calculates a log mel spectrogram and performs vector quantization to store the spectrogram in a data stream. The decoder is a WaveNet
Lyra_(codec)
Czech- and Slovak-language tongue twister
Waveform and spectrogram for the Czech expression
Strč_prst_skrz_krk
text can be converted into a soundfile, which is then analysed with a spectrogram to reveal the image. Various artists have used this method to conceal
List of steganography techniques
List_of_steganography_techniques
Process of creating sheet music from a recording or performance
frequency domain is called a spectrogram or sonogram. A musical note, as a composite of various harmonics, appears in a spectrogram like a vertically placed
Transcription_(music)
Experimental acoustical apparatus
Monochord Reverberation Soundproofing String vibration Sympathetic resonance Spectrogram Psychoacoustics Pitch Bark scale Mel scale Equal-loudness contour Fletcher–Munson
Kundt's_tube
section. A spectrogram is a graphic representation of frequencies against time. The colour represents the loudness of each frequency. This spectrogram shows
Bat_species_identification
Sound in spoken language, articulated with an open vocal tract
acoustic resonances of the vocal tract which show up as dark bands on a spectrogram. The vocal tract acts as a resonant cavity, and the position of the jaw
Vowel
Brass instrument notes
Spectrogram of the above recording
Pedal_tone
Concept relating to waves and signals
This Fourier transform was computed using SourceForge In acoustics, a spectrogram is a visual representation of the frequency spectrum of sound as a function
Spectrum_(physical_sciences)
exemplification, Fig. 2.A at shows the spectrum and Fig. 2.B shows the spectrogram of EMI shaped-noise voltage output for a programmable PWM with switching
Switching_control_techniques
Viral auditory illusion
Internet trend. On May 16, 2018, a report in The New York Times noted a spectrogram analysis that confirmed how the extra sounds for "yanny" can be graphed
Yanny_or_Laurel
Voice type
if a voice is produced via full chest singing simply looking at the spectrogram. Sopranos and countertenors mainly produce the first four harmonics strongly
Chest_voice
Open source speech analysis software
details (including intonation and pitch), and visual information via spectrograms and waveforms, which includes voicing, as well as the presence or absence
Praat
Effect on frequency of interacting oscillators
oscillator is pulled towards the frequency source as can be seen in the spectrogram. The failure to lock may be due to insufficient coupling, or because
Injection_locking
Interpretation of sensory information
Though the phrase "I owe you" can be heard as three distinct words, a spectrogram reveals no clear boundaries.
Perception
Study of sound relating to biology
Spectrograms of Thrush nightingale (Luscinia luscinia) and Common nightingale (Luscinia megarhynchos) singing help to reliably distinguish these two species
Bioacoustics
Usage of artificial intelligence to generate music
existing open-source model for generating images from text prompts, on spectrograms, resulting in a model which used text prompts to generate image files
Artificial intelligence in music
Artificial_intelligence_in_music
English polymath (1773–1829)
Monochord Reverberation Soundproofing String vibration Sympathetic resonance Spectrogram Psychoacoustics Pitch Bark scale Mel scale Equal-loudness contour Fletcher–Munson
Thomas_Young_(scientist)
Data encoding to store and transmit media
digital audio, digital video) or recorded in the primary format (e.g. spectrogram, pictogram). Observable data is often known as raw data, or raw content
Content_format
Featural phonetic representation script
of a spectrogram, a device that makes "visible records of the frequency, intensity, and time analysis of short samples of speech". The spectrogram translated
Visible_Speech
Music-generating machine learning model
existing open-source model for generating images from text prompts, on spectrograms, resulting in a model which used text prompts to generate image files
Riffusion
Musical artist
Gravitational wave chirp spectrogram
Stuart_Hyatt
Audio cassette quality-control and duplication process
Spectrogram of SDR Soundburst from cassette of David Bowie's "Let's Dance"
XDR_(audio)
Signal representation used in automatic speech recognition
inverse DCT to obtain a mel log-power [dB] spectrogram, (a2) mapping to power to obtain a mel power spectrogram, (b1) rescaling to obtain short-time Fourier
Mel-frequency_cepstrum
Study of how humans produce and perceive sounds
precise measurements can be obtained through acoustic analysis of a spectrogram or spectral slice. In a spectrographic analysis, voiced segments show
Phonetics
Online database of wildlife sounds
with open licences. Each recording on the website is accompanied by a spectrogram and location data on a map displaying geographical variation. Data from
Xeno-canto
1977 radio signal detected as part of SETI
A heat map of the computer printout, giving a spectrogram of the beam; the Wow! signal appears as a bright spot in the lower left.
Wow!_signal
Conceptual scale
codec uses log mel spectrograms as the feature-extraction step. The transmitted data is a vector-quantized form of the spectrogram, which is then synthesized
Mel_scale
Extraction of information and meaning from audio signals
information types include frequency spectrum, stereo field, surround field, spectrogram, and more. Computer audition – Study of understanding of audio by machine
Audio_analysis
British electronic musician (born 1971)
"Formula"), a photo of James's face is a steganogram which is revealed as a spectrogram. Another image of James and collaborator Tom Jenkinson is embedded (in
Aphex_Twin
Term in wireless communications
Frequency-selective time-varying fading causes a cloudy pattern to appear on a spectrogram. Time is shown on the horizontal axis, frequency on the vertical axis
Fading
Hiding messages in other messages
3. Finally, the audio is analysed through a spectrogram, revealing the initial image.
Steganography
Electronic method of transmitting information with a carrier wave
Figure 3: The spectrogram of an AM voice broadcast shows the two sidebands (green) on either side of the carrier (red) with time proceeding in the vertical
Amplitude_modulation
American musical duo
years before returning with a video titled "º" which featured audio of a spectrogram featuring the clowns with bold text on the top that read "WE ARE IN A
Clown_Core
Study of production, transmission and perception of speech
Spectrogram (frequency as a function of time) of the English word "buy".
Speech_science
signals; visual comparison of spectrograms. Praat GPL v2 Linux, Macintosh, Windows Functions: Speech analysis (spectrograms, pitch, formant, and intensity
List_of_bioacoustics_software
Point where a function crosses an axis and changes sign
defects. In the field of NLP, the rate of zero crossings observed in a spectrogram can be used to distinguish between certain phonemes such as fricatives
Zero_crossing
Spectrograms produced from applying a rec-STFT on a function consisting of 3 consecutive cosine waves. (top spectrogram uses smaller B of 0.5, middle
Rectangular mask short-time Fourier transform
Rectangular_mask_short-time_Fourier_transform
Topics referred to by the same term
striated muscle In acoustic phonetics, striations are vertical bands on a spectrogram associated with pulses of the vocal folds when producing voiced periodic
Striation
2007 single by Pendulum
the United States TV show, The Twilight Zone and when run through a spectrogram; the song contains an image of Porky Pig giving the middle finger at
Blood_Sugar_/_Axle_Grinder
Artificial production of human speech
converts pictures of the acoustic patterns of speech in the form of a spectrogram back into sound. Using this device, Alvin Liberman and colleagues discovered
Speech_synthesis
Concept in Evolution
Spectrogram of Pipistrellus pipistrellus bat vocalizations during prey approach. The recording covers a total of 1.1 seconds; lower main frequency ca
Evolutionary_arms_race
Elapsed fraction of a cycle of a periodic function
phase difference between the different harmonics can be observed on a spectrogram of the sound of a warbling flute. Phase comparison is a comparison of
Phase_(waves)
New Zealand radio station
stories from the 90s and 2000s. The message was visible using an audio spectrogram. On 5 May, the loop was updated to encode the date and time the station
Channel X (New Zealand radio station)
Channel_X_(New_Zealand_radio_station)
Variation of the Wigner distribution function
combination between the spectrogram and the Pseudo Wigner Distribution (PWD), the windowed version of the WD. The original WD, the spectrogram, and the modified
Modified Wigner distribution function
Modified_Wigner_distribution_function
Phonetic phenomenon
can be seen from the antiformants both can produce when viewed via a spectrogram. This is because both sounds in a sense have branched resonators: in
Rhinoglottophilia
THX's sound logo, a distinctive synthesized crescendo sound
Spectrogram made using Spek
Deep_Note
Audio effect
Spectrograms of phasing and flanging effects
Flanging
Complex animal communication
observing elephant communication. For nearly 20 years, Turkalo has used a spectrogram to record the noises that the elephants make. After extensive observation
Animal_language
Informal classification of marine mammals, closely related to whales and porpoises
Spectrogram of dolphin vocalizations. Whistles, whines, and clicks are visible as upside down V's, horizontal striations, and vertical lines, respectively
Dolphin
Early talking device
converts pictures of the acoustic patterns of speech in the form of a spectrogram back into sound. Using this device, Alvin Liberman, Frank Cooper, and
Pattern_playback
Signal processing
of this class is the spectrogram which is the square of the magnitude of the short-time Fourier transform (STFT). The spectrogram has the advantage of
Transformation between distributions in time–frequency analysis
Transformation_between_distributions_in_time–frequency_analysis
Audio editing software
interactive display of sound pressure waveforms, spectral sections, spectrograms, pitch tracks and transcriptions. It can read and write a number of transcription
WaveSurfer
Electromagnetic wave phenomenon
VLF spectrogram of electromagnetic chorus, as received by the Stanford University VLF group's wave receiver at Palmer Station, Antarctica. The chorus
Dawn_chorus_(electromagnetic)
Sudden change of rhythm or bass line
In this spectrogram of "Glass Tiger", the buildup and drop are visible leading up to 2:05
Drop_(music)
Relative importance of certain frequencies in a composite signal
plotted versus time associated with the window. Such a graph is called a spectrogram. This is the basis of a number of spectral analysis techniques such as
Spectral_density
Lossy audio coding format
Spectrogram of Opus-encoded (~1.0) audio as bitrate rises (~32 to ~160 kbit/s) clearly shows lowpass behavior and better preservation of the band energy
Opus_(audio_format)
Sounds produced by whales
amplitude-modulated (get louder or softer). However, the adjustment of bandwidth on a spectrogram representation of the song reveals the essentially pulsed nature of the
Whale_vocalization
Species of bird
A spectrogram showing an example of the song structure of a redwing in Iceland. Terminology is applied.
Redwing
Study of the practices and possibilities of music
Spectrogram of the first second of an E9 chord played on a Fender Stratocaster guitar with noiseless pickups. Below is the E9 chord audio:
Music_theory
Signal with equal energy per octave
Relative intensity of pink noise (left) and white noise (right) on an FFT spectrogram with the vertical axis being linear frequency
Pink_noise
AI that generates content
Jonathan (2017). "Natural TTS Synthesis by Conditioning WaveNet on Mel Spectrogram Predictions". arXiv:1712.05884 [cs.CL]. Ramesh, Aditya (2021). "Zero-shot
Generative_AI
Study of the effect of environmental sound on organisms
generate a visual representation of the soundscape in the form of a spectrogram. Spectrograms provide information on a number of sound properties that may be
Soundscape_ecology
Form of art using sound
Spectrogram of the first second of an E9 suspended chord played on a Fender Stratocaster guitar. Below is the E9 suspended chord audio:
Music
Sound other than the sound being monitored (primary sound)
Spectrogram of street traffic noise
Background_noise
travel, tourism, insurance
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travel, tourism, insurance