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Results tagged with discrete-signals
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user 28405
A discrete signal or discrete-time signal is a time series consisting of a sequence of quantities.
0
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1
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729
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Half of fundamental frequency in Fourier transform
I understand why there are peaks in integer multiples of the fundamental in the Fourier transform. But why is there often a peak in half the fundamental?
I am testing for the guitar specifically. I a …
- 213
2
votes
0
answers
115
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Distinguish between chords and single notes
I am implementing a pitch detection system where I detect pitch in single notes (guitar).
I recently found this library, that detects chords in an audio signal.
When there are chords in the signal, …
- 213
-2
votes
1
answer
162
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Quantization of analog sound signals
I am using Librosa to detect pitch in a guitar audio signal. I have very little background in signal processing, and I was quite confused with the distinction between analog - digital signals and cont …
- 213
0
votes
1
answer
171
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Implementing an offline guitar monophonic pitch detector
I am implementing an offline guitar monophonic pitch detector. I was wondering about the trade-off of the standard methods: Autocorrelation, HPS, Cepstrum, picking the peak from an STFT, the YIN algor …
- 213
1
vote
1
answer
389
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Octave error - STFT parameters when detecting pitch in guitar audio signals
I am working with this STFT method to detect pitch in monophonic guitar audio signals.
The method is working correctly for medium pitches (above 150Hz). However, in low notes I have some issues.
Fo …
- 213