App Detail » bismark bs-spectrum

What's New

Fix not working on iOS 16

App Description

bs-spectrum is a simple FFT spectrum analyzer application.

This application calculates FFT (Fast Fourier Transform) of the sound which is recorded by the iPad & iPhone's internal mic. The calculated data is displayed as graph.

http://www.youtube.com/watch?v=AHokaaxueW8

Option Setting:
- Mode: Linear, Logarithmic
- Window: Rectangle, Hamming, Hanning, Blackman
- Decay: 250[ms], ... 4[s]
- Amplitude Offset

App Changes

• June 24, 2011 New version 2.0
• July 16, 2011 Price increase: $2.99 -> $3.99
• December 22, 2011 Price decrease: $3.99 -> $1.99
• January 04, 2012 Price increase: $1.99 -> $3.99
• June 30, 2012 New version 2.1
• June 30, 2012 Price decrease: $3.99 -> $1.99
• July 07, 2012 Price increase: $1.99 -> $3.99
• September 22, 2012 New version 2.2
• October 12, 2012 New version 2.2.1
• December 13, 2012 New version 2.2.2
• December 25, 2012 Price decrease: $3.99 -> $1.99
• January 06, 2013 Price increase: $1.99 -> $3.99
• December 21, 2013 Price decrease: $3.99 -> $1.99
• January 04, 2014 Price increase: $1.99 -> $3.99
• June 20, 2014 New version 2.3
• June 20, 2014 Price decrease: $3.99 -> $1.99
• June 24, 2014 Price increase: $1.99 -> $3.99
• July 01, 2014 New version 2.3.1
• December 23, 2015 Price decrease: $3.99 -> $1.99
• December 28, 2015 Price increase: $1.99 -> $3.99
• June 14, 2019 New version 2.6
• December 31, 2019 New version 2.7
• November 12, 2020 New version 2.7.1
• September 16, 2023 New version 2.8