蒋介石赴台后为何没为难阎锡山，而为难了白崇禧
百度 不过，这支队伍仅仅存在了一年，在参加完比赛后就随之宣告解散。
Questions related to the R programming language r-project.org
39 questions
1
vote
0
answers
35
views
Removing noise in bulk from audiomoth files in R
I'm new to working with acoustic data and I can't seem to find a solution to a problem.
I have a lot of audio files (64k) which all have traffic and wind noise. The bird vocalizations are the prime ...
3
votes
1
answer
56
views
How do I prevent the Dominant frequency overlaid on spectrogram feature of the seewave package to not have overlapped labels?
I am using the seewave package, specifically its Dominant frequency overlaid on spectrogram feature. While the spectrogram itself came out fine, the figure produced has its x- and y-labels overlapping....
- 570
2
votes
0
answers
69
views
Issues running PAMscapes with Triton soundscape remora output
I'm currently working on soundscape analysis using the PAMscapes package in R. I have output from Triton Remoras soundscape metrics, and I'm trying to load them using the loadSoundscapeData function, ...
- 83
3
votes
1
answer
133
views
How do I remove the amplitude scale bar in spectrogram made with ggspectro?
I am making several spectrograms using ggspectro in R. I will eventually be compiling these into one figure (using patchwork) and therefore want to remove repetitive info from the spectrograms. I have ...
- 307
2
votes
0
answers
43
views
SoundGen Spectrogram gridlines
I'm making some spectrograms using the R SoundGen package but am getting a lot of extra grid lines on the image and can't seem to find a way to make them disappear.
...
3
votes
2
answers
74
views
How do I shorten call selections to only contain the signal and not background noise using warbleR or ohun in R?
I have drawn >4000 selections on seabird chick call spectrograms in Raven with ~0.1 to 0.4 seconds on either side of the signal (a stipulation of the call parameter measurement software I was ...
- 307
4
votes
2
answers
500
views
How to convert stereo audio files to mono?
I have multiple stereo .wav recordings which I want to convert into mono files for further analysis. Is there a way in RavenPro/R/Audacity to batch convert them to mono sound files (channel 1 or ...
2
votes
2
answers
64
views
Difference TFSD from seewave and scikit-maad
I noticed a difference in output when computing the TFSD using the seewave R package and the scikit-maad implementation in python.
Is there any justification and is it possible to get the same result ...
2
votes
1
answer
344
views
Is it possible to calculate the SPL of a sound from a wav audio file?
I recorded a frog's call at a distance of 1 m, with a Tascam DR40x recorder and its internal microphone.
I want to know if there is a way to calculate what is the SPL in dB of that call or/and the ...
2
votes
2
answers
55
views
Can't reconcile amplitude from getRMS (soundgen) with output of meanspec (seewave) in R
I want to calculate the sound pressure level (in dB) of a wave and then display the mean power spectrum. The issue I face is that the SPL value I get from getRMS() is very different from the mean ...
- 53
5
votes
2
answers
248
views
How to convert relative db to db SPL knowing microphone specifications?
Similarly to this discussion (Is it common to have a negative-positive dB range in underwater spectrograms?), I used the 'seewave' R package to plot the below spectrograms.
I limited the coloured ...
- 53
3
votes
2
answers
90
views
dynaSpec R package is creating an MP4 file with only audio and no video
I am trying to visualize a short recording of an insect, using a WAV file, using the scrolling_spectro command in the R package ...
- 31
3
votes
2
answers
108
views
How to extrapolate time (as hour) per each recording (.wav file) identified in BirdNET?
I deployed some passive acoustic devices to record bird song, and I am using birdNET for the first time. I downloaded the Windows version of the app, set the parameters I preferred and, after running ...
- 33
2
votes
1
answer
304
views
How to preserve amplitude scale from original .wav audio file to output .wav file in seewave and tuneR packages after filtering
I am currently working on a project where I would like to read in an audio file, apply a butterworth filter, and then export the filtered audio file while preserving the scale of the amplitude from ...
2
votes
2
answers
142
views
Error using lts() from R package seewave
I am dealing with an unusual error in trying to create long-term spectral averages with the lts() function from R package seewave. I have a 1 h long time series made up of audio files of 5 minutes ...
- 141