How to view a sound wave of an iphone recording that was sent to me?

How do I view a sound wave of an iphone recording that was sent to me?

Added (1). My mom sent me a voice recording from her iphone to mine via whatsapp. I want to view the soundwave of this message so that I can get it tattooed. Does anyone know how I can convert it into a soundwave?

Google it

Play the sound file in a program such as Audacity (free) from http://audacity.sourceforge.net/

You can then take a screenshot of the waveform and print it.

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