ulaw Lib

[joelkcolvin]

I have a radio with a digital output port. The Data is 8 Bit uLaw at 8KHz I need to expand the ULaw from Log to linear. Is there a Lib that does this?

 

[MarkT]

The AudioPlayMemory class supports ulaw. There is a decode table - see the source:
https://github.com/MarkTillotson/Audio/blob/noise_shaped_pwm/play_memory.cpp
https://github.com/PaulStoffregen/Audio/blob/master/data_ulaw.c