Backline Calc is a full-featured musical calculator built exclusively for iPhone and iPod touch, brought to you by the minds at Audiofile Engineering. Combining powerful, elegant and uncluttered audio utilities with unparalleled technical support, Audiofile Engineering is one of the most innovative and experienced audio software developers for Mac OS X and the revolutionary iPhone.

Backline Calc is an indispensable utility for engineers, musicians, music students and teachers, producers, DJs, video and broadcast engineers and live sound engineers. Backline Calc is iAd-supported and contains 23 easy-to-use calculators:

Length

• Note Length

 
Timecode

• Frames to Timecode

 
Files

• File Size

 
Length

• Bar Length
• Song Length
• Beats to Tempo
• Time to Samples
• Compare Tempos
• Change Tempo
• Sum Times
• Subtract Times

 
Pitch

• Note Name to…
• MIDI Note to…
• Frequency to…
• Wavelength to…

 
Timecode

• Convert Timecode
• Change Timecode

 
Electric

• Compare Power
• Compare Voltage

 
Acoustics

• Distance to Time
• Time to Distance
• Sound Pressure Level (SPL)
• Panning

 
Usage Note: You can tap a value (eg. BPM) to manually enter it.
 

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