User's Manual - Cornell Lab of Ornithology - Cornell University

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Chapter 1: Getting StartedBoxy vs. smoothspectrogramsIf you stretch the horizontal or vertical scale of a “boxy” spectrogram (thedefault display style ) much, you’ll find that the spectrogram display, whichmay have seemed smooth as it was originally drawn, becomes increasinglyjagged or boxy. Canary displays one box of a specific shade of gray for eachpoint in time-frequency space where an amplitude has been calculated fromthe signal. The height and width of the boxes are determined by theparameters set in the Spectrogram dialog box, as discussed in Chapter 3. Ifyou want the display to appear smooth at any magnification, you can selectthe Smooth display style instead of Boxy in the Spectrogram Options dialogbox.If you’ve already created a spectrogram, you can still switch back and forthbetween boxy and smoothed displays without recalculating the spectrogram.Hold down the option key while clicking on the SPG button, and theSpectrogram Options dialog box will reappear. Click on the Smooth displaystyle button (see Figure 1.4), and click OK. The spectrogram will be redrawn,with grayscale values individually interpolated for every screen pixel in thedisplay. Smoothed spectrograms take longer to redraw after any change ofscale than boxy ones. See Chapter 3 for further discussion of the use of boxyand smoothed spectrograms.Views and panesAs mentioned earlier, Canary can display three different views of a signal; eachview is shown in a separate pane of a signal window. (So far, we havediscussed only the waveform and spectrogram views; the spectrum view isdiscussed in the next section.) It is helpful to understand the distinctionbetween views and panes. A view is a representation of a signal or part of asignal. A pane is part of a window, and is simply the graphic region of awindow. A pane may show only part of a view, for example, when the timeaxis of a waveform is stretched. Double-clicking on a pane selects the entireview.Creating a spectrumClick once in the waveform pane midway through the second syllable of thesong (the constant-frequency whistle at about 600 - 750 msec). Click on thespectrum (SPK) button to create a spectrum view of the signal at this point intime. You can think of a spectrum as being like a thin “slice” through thespectrogram at one moment in time. A dialog box like the one in Figure 1.7appears.18 Canary 1.2 User’s Manual
Chapter 1: Getting StartedFigure 1.7. The Spectrum Options dialog box.This dialog box is similar to the Spectrogram Options dialog box that you sawearlier; it’s explained in detail in Chapter 3. Click OK to make the spectrum.As before, a status window indicates the progress of the calculations. Aspectrum is computed faster than a spectrogram.Canary 1.2 User’s Manual 19
Page 1 and 2: CanaryThe Cornell Bioacoustics Work
Page 3 and 4: ContentsPreface Welcome to Canary 1
Page 5 and 6: The recording buffer; recording tim
Page 7 and 8: Chapter 6 Measurements ............
Page 9 and 10: Dialog fields, checkboxes, and butt
Page 11 and 12: Preface Welcome to Canary 1.2What C
Page 13 and 14: Chapter 1: Getting StartedSpectrum
Page 15 and 16: Chapter 1: Getting StartedSoftwareC
Page 17 and 18: Chapter 1Getting StartedAbout this
Page 19 and 20: Chapter 1: Getting StartedFigure 1.
Page 21 and 22: Chapter 1: Getting StartedPlaying b
Page 23 and 24: Chapter 1: Getting Startedspectrogr
Page 25 and 26: Chapter 1: Getting StartedAdjusting
Page 27: Chapter 1: Getting StartedZooming i
Page 31 and 32: Chapter 1: Getting StartedIf you se
Page 33 and 34: Chapter 1: Getting StartedCouplingo
Page 35 and 36: Chapter 1: Getting StartedSaving lo
Page 37 and 38: Chapter 1: Getting StartedFigure 1.
Page 39 and 40: Chapter 1: Getting Started(a)(b)Fig
Page 41 and 42: Chapter 1: Getting StartedWhen more
Page 43 and 44: Chapter 1: Getting StartedRecording
Page 45 and 46: Chapter 2Signal AcquisitionAbout th
Page 47 and 48: Chapter 2: Signal AcquisitionOption
Page 49 and 50: Chapter 2: Signal AcquisitionSettin
Page 51 and 52: Chapter 2: Signal AcquisitionContin
Page 53 and 54: Chapter 3Spectrum AnalysisAbout thi
Page 55 and 56: Chapter 3: Spectrum AnalysisAnalysi
Page 57 and 58: Chapter 3: Spectrum AnalysisGrid re
Page 59 and 60: Chapter 3: Spectrum AnalysisRemembe
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Page 73 and 74: Chapter 3: Spectrum AnalysisTime an
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Page 77 and 78: Chapter 4Signal Amplitude Calibrati
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Chapter 4: Amplitude Calibrationper
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Chapter 4: Amplitude CalibrationIt
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Chapter 4: Amplitude CalibrationSel
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Chapter 4: Amplitude CalibrationAir
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Chapter 4: Amplitude Calibrationrec
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Chapter 5: Multi-track DocumentsThe
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Chapter 5: Multi-track DocumentsDis
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Chapter 5: Multi-track Documentson
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Chapter 6MeasurementsAbout this cha
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Chapter 6: MeasurementsThe radio bu
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Chapter 6: Measurementscorrelated,
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Chapter 6: MeasurementsAmplitude Fl
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⎛⎜⎜⎝t 2∑f 2∑t=t 1 f = f
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Chapter 6: Measurements(Point) For
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Chapter 6: Measurements(Range) The
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Chapter 6: MeasurementsYou can clos
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Chapter 6: MeasurementsDeleting ent
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Chapter 6: MeasurementsSyllable dur
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Chapter 7: Correlation(a)(b)(c)peak
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Chapter 7: CorrelationWaveformcorre
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Chapter 7: CorrelationFigure 7.4. T
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Chapter 7: Correlationselected, but
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Chapter 7: CorrelationSpectrogram c
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Chapter 7: CorrelationLogarithmic v
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Chapter 7: CorrelationWaveform corr
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Chapter 8Preferences and OptionsAbo
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Chapter 8: Preferences and OptionsR
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Chapter 8: Preferences and OptionsS
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Chapter 8: Preferences and OptionsF
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Chapter 8: Preferences and OptionsF
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Chapter 9: Printing and Graphics Ex
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Chapter 9: Printing and Graphics Ex
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Chapter 10: File FormatsTable 10.1.
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Chapter 10: File FormatsFigure 10.3
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Chapter 10: File FormatsWhen saving
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Chapter 11Batch ProcessingAbout thi
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Chapter 11: Batch ProcessingFigure
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Chapter 11: Batch ProcessingInput s
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Chapter 11: Batch ProcessingCorrela
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Chapter 11: Batch ProcessingThe cor
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Chapter 11: Batch ProcessingWhen ma
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Chapter 11: Batch ProcessingFigure
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Chapter 12: Referencesound data. Th
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Chapter 12: ReferenceFile / Save Pr
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Chapter 12: Referencemeasurement pa
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Chapter 12: Referencewhich spectrog
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Chapter 12: Referencematches any fi
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Chapter 12: Referencecannot display
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Chapter 12: ReferenceRecord dialog
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Chapter 12: ReferenceSave Text Repo
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Chapter 12: ReferenceaW/m 2 (the va
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Chapter 12: Referencethey are not s
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Chapter 12: ReferenceSpectrogram /
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Chapter 12: ReferenceCommand Panel:
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Chapter 12: ReferenceCommand Panel:
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Appendix A Digital Representation o
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Appendix A: Digital Sound(a)(b)Figu
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Appendix A: Digital SoundSan Franci
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Appendix B: Introduction to Spectru
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Appendix C Sound Amplitude Measurem
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Appendix C: Sound Amplitude Measure
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c = 331.4 1 + T273Appendix C: Sound
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Appendix D: TroubleshootingFigure D
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Appendix D: Troubleshooting4. Quit
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Appendix D: TroubleshootingNote: Th
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Appendix D: Troubleshootinghardware
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Appendix F Using the Macintosh Buil
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Appendix F: Macintosh Sound Inputto
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Energy measurement in the spectrogr
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Figure 1: Atypical plot of [i] 2 ,
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whereN f ;1X= n=0N2 X;1k=0XN= E ~
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Normalized correlationsCanary's nor
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in power or energy. The conversion
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Impedance parameter,. see Calibrati
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SoundEdit, 143, 185 Impedance, 69Te
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Paste command (Edit menu), 26, 160R
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hard-copy, 133 magnitude, 194FFT si
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User's Manual - Cornell Lab of Ornithology - Cornell University

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