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Modulation frequency and efficient audio coding - NASA/ADS
https://ui.adsabs.harvard.edu/abs/2001SPIE.4474....1A/abstract#:~:text=Modulation%20frequency%20and%20efficient%20audio%20coding%20Atlas%2C%20Les,the%20audio%20signal%20into%20modulation%20frequencies%2C%20is%20proposed.
Modulation frequency and efficient audio coding
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4474/1/Modulation-frequency-and-efficient-audio-coding/10.1117/12.448636.full
A two-dimensional transform, where the second dimension approximately decomposes the audio signal into modulation frequencies, is proposed. This transform, when applied to audio coding, provides high quality at low data rates and adapt gracefully to changes in available bandwidth.
Modulation frequency and efficient audio coding
https://www.researchgate.net/publication/253326546_Modulation_frequency_and_efficient_audio_coding
Download Citation | Modulation frequency and efficient audio coding | The concept of modulation frequency is shown to be a valuable insight into time-frequency transforms for audio coding. A two ...
Modulation frequency and efficient audio coding - NASA/ADS
https://ui.adsabs.harvard.edu/abs/2001SPIE.4474....1A/abstract
A two-dimensional transform, where the second dimension approximately decomposes the audio signal into modulation frequencies, is proposed. This transform, when applied to audio coding, provides high quality at low data rates and adapt gracefully to changes in available bandwidth.
Modulation frequency and efficient audio coding ...
https://www.deepdyve.com/lp/spie/modulation-frequency-and-efficient-audio-coding-NpboB0U9jl
Modulation frequency and efficient audio coding A two-dimensional transform, where the second dimension approximately decomposes the audio signal into modulation frequencies, is proposed. This transform, when applied to audio coding, provides high quality at low data rates and adapt gracefully to changes in available bandwidth.
modulation-spectrum audio coding in MATLAB
https://www.ee.columbia.edu/~marios/modspec/modcodec.html
Modulation spectrum is emerging as a novel sound representation which has found applications in both ASR as well as most recently in audio coding. During my visit at IDIAP , Prof. Hermansky introduced me to the topic referencing a paper by M. Vinton and L. Atlas on modulation spectrum audio coding [ Vint01 ].
AN AMPLITUDE- AND FREQUENCY-MODULATION …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.212.6291
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The decomposition of audio signals into perceptually meaningful modulation components is highly desirable for the development of new audio effects on the one hand and as a building block for future efficient audio compression algorithms on the other hand. In the past, there has always been a …
Modulation
https://www.codingninjas.com/codestudio/library/modulation
It is the analog signal's description of analog data. Analog signal modulation is the process of transforming analog signals into digital signals. It's necessary since the sender's signal is low pass and might be in the same range as the receiver's. Each radio station, for example, has a low pass signal with a similar range.
Neural Modulation Tuning Characteristics Scale to ...
https://www.jneurosci.org/content/30/47/15969
The MPS of each sound was obtained by segmenting the spectrotemporal envelope of each sound ensemble into nonoverlapping half-second blocks, s n (t, x k), and averaging the MPS of each block: where N is the number of blocks, ℑ{·} is a two-dimensional Fourier transform, w(t,x k) is a two-dimensional Kaiser window (β = 3.4), f m is the temporal …
Frequency and Phase Modulation
https://www.csun.edu/~skatz/katzpage/sdr_project/sdr/FM_and_PM.pdf
• Instantaneous Frequency: f c + k f x(t) • Frequency deviation: Δf=k f x(t) • Maximum frequency deviation, Δf = k f |x(t)| max – For tone modulation: Δf = k f A m • Deviation Ratio, D = Δf/W – For tone modulation: Modulation index, b = Df/f m – b << 1: narrowband FM, NBFM – b >> 1:
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