Bug fixes and stability improvements.

Bug fixes for iPad graphics and music library selection issues

Bug fixes to better support newer iOS devices

Updated for iOS 11 and the iPhone X

Updated for iOS 11.  Improved support for AirPods.  Bug fixes and performance enhancements.

Bug fix to allow working with AirPods.

Bug fix for misplaced controls.

New in Prior Version 1.8.1 :

Music Spectrograph can now download an audio or music file from an entered URL for spectrogram visualization.
The rate control for slowing down music has been renamed the Playing Speed control.
Temporary recording of the last one minute of audio input for replay analysis was added.
This update also includes a few bug fixes and enhancements for iOS 10.

Music Spectrograph will now request permission to access your iTunes Media Library.  Please grant permission if you wish the app to be able to play, analyze, and visualize spectrographs of that music.

Thank you for trying our app!   If you find the Music Spectrograph app useful, we would greatly appreciate if you took the time to write a thoughtful review.  App Store ratings and review are very helpful in encouraging continued development

Music Spectrograph can now download an audio or music file from an entered URL for spectrogram visualization.
The rate control for slowing down music has been renamed the Playing Speed control.
Temporary recording of the last one minute of audio input for replay analysis was added.
This update also includes a few bug fixes and enhancements for iOS 10.

Music Spectrograph will now request permission to access your iTunes Media Library.  Please grant permission if you wish the app to be able to play, analyze, and visualize spectrographs of that music.

Thank you for trying our app!   If you find the Music Spectrograph app useful, we would greatly appreciate if you took the time to write a thoughtful review.  App Store ratings and review are very helpful in encouraging continued development.

This version includes bug fixes for running on the newest iPad devices.

If you find our Music Spectrograph app useful, please take the time to give us a nice review.  It really helps.

Helpful hint:  You can lock rotation on an iPad to put the piano keyboard at the bottom.

Bug fixes for 48 kHz audio sample rates and the new iPhone 6s and 6s Plus.

Bug fixes for iOS 9.
Enhancements for the new faster iPhone 6s audio sample rates.

Improved "stopped-in-time" super slowdown re-synthesis.
Updated for iOS 8.4 and newer.

Added support for iPhone 6 and 6 Plus display sizes.
Improved the visibility of the settings and controls user interface.
Bug fix for elapsed time indicator when converting or playing mono mp3 files.

Updated for iOS 7.

Version 1.4.2:
- Improved amplitude & spectral flux graph.
- Bug fixes for the elapsed time indicator, AGC, vanishing iPad controls, and a memory leak.

Also from Previous Version 1.4.0
    - Added a new light-colored "Pastel mode" graph option.
    - Improved "Slow-Down" music play rate control.
    - Improved "Stopped-in-Time" Pitch Resynthesis.
    - Improved Mid-pitch overtone filtering.
    - New Icon!

- Added a new light-colored Pastel mode graph option
- Improved "Slow-Down" music play rate control
- Improved "Stopped-in-Time" Pitch Resynthesis
- Improved Mid-pitch overtone filtering
- New Icon
- Also includes several User Interface enhancements and Bug Fixes

Fixed a bug that caused distortion of microphone audio input.
Fixed a bug with scrolling back through spectrograph history.
Added: Now you can Open a .WAV file Mail attachment in the Music Spectrograph app, and can play it via the Song button.

New in 1.3.5: Fixes a missing background image on the iPad.
And new from the previous update to 1.3.4:
- Adds time stretching capability to slow down music (from your iTunes library) by up to 5 times slower without changing the pitch (iOS 6 or later required to enable this feature.).
- Adds a control for Mono, Left-only, Right-only, and Center-subtract (L-R) to Song playback. Center-subtract helps remove vocals from many common recording mixes.
- Also includes some minor bug fixes.

Version 1.3.4:
- Adds time stretching capability to slow down music (from your iTunes library) by up to 5 times slower without changing the pitch (iOS 6 or later required to enable this feature.  This is not a high audio quality speed adjustment.  This is just to help slow things down to aid in music transcription.).
- Adds a control for Mono, Left-only, Right-only, and Center-subtract (L-R) to Song playback.  Center-subtract helps remove vocals from many common recording mixes.
- Also includes some minor bug fixes.

New in version 1.3.0:
The spectrogram is now displayed with 4X higher resolution when paused in the Volume and B&W coloring modes.
Keyboard synthesis was added to the ReSynth mode to isolate hearing 1 pitch in the MIDI spectrum.
The ability to paste audio into song player was added.
Also: Fixed some issues with the Volume setting, the AGC, and Song selection.

Introducing Music Spectrograph 1.2.0

Now with a new re-synthesis mode to "stop music in time" (a synthetic vocoder recreation of the detected MIDI pitches and overtones.)  The ReSynth button to enable this feature will appear after scrolling back in the MIDI history.
The app has also been updated for new devices (iOS6 and the iPhone 5 display).
Also:
Improved the MIDI frequency band filters for better contrast and accuracy.
Added some visual frequency grid marks.
Fixed a bug in phone call interruption behavior.

Enjoy, and please leave ratings and reviews if you want to support further updates to this app.

Version 1.2.1
This update should address a problem with a crash-on-launch that some users experienced with the previous update.

*** Do not download for use on iPads.  A bug fix for a crash on launch has been sent to Apple. ***
New:
Added a new re-synthesis mode to "stop music in time" (actually a slightly robotic vocoder-like version of the major MIDI overtones and pitches.) The ReSynth button will appear after scrolling back in MIDI history.
Also:
Updated for new devices (iOS6 and the iPhone 5 display).
Improved the MIDI frequency band filters for better contrast and accuracy.
Added some visual frequency grid marks.
Fixed a bug in phone call interruption behavior.

Bug fix for iOS 5 and analyzing music from your iTunes library.

Added the capability to spectrograph analyze music from the iTunes Library, as well as mic input.
Fixed the support email link on iPad.