Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Adjustable dynamic range/white point in spectrogram #17

Open
adventuretc opened this issue Oct 6, 2017 · 1 comment
Open

Adjustable dynamic range/white point in spectrogram #17

adventuretc opened this issue Oct 6, 2017 · 1 comment

Comments

@adventuretc
Copy link

Some microphones are good in sound quality, but insensitive.
The audio that I observe gets colors from the low end of the Color map and it would be nice to be able to use the whole color map.

Can you please make a setting for Spectrogram "upper limit" or "white point"?

If the "View Range Setting" would apply to the colors of the Spectrogram that would be great as well.

@bewantbe
Copy link
Owner

bewantbe commented Oct 7, 2017

So you want to increase the contract of low-dB part right?

There are several possible options:

  • There is a setting: "Spectrogram range" in preference, you can set it to 150dB to cover the low end. This actually decrease the contract a bit, but make the picture brighter so that it may help.
  • Pick a color map that have higher contract at low end, e.g. Parula, Jet or Hot.
  • Pick a sound source that have a higher gain, e.g. MIC, DEFAULT, different phone have different gain setting, you need to try this out.

If all these suggestions fail to meet you needs, the "View Range Setting" will be good place to implement it as you suggest :-)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Projects
None yet
Development

No branches or pull requests

2 participants