Custom small audio processing board. With a Cat. Part 2 

Now with the sound codec working. Added 50dB range logarithmic peak program meter, because why not.
Toying with graphics output and sound on my audio processing development kit. STM32F429 + SDRAM 4Mx16, RGB 16bit video output, USB-OTG, microSD, 96kHz 24bit single ended 4in / 4out audio, MIDI-Rx, various GPIOs (ADC, TIM, I2C, SPI, UART,..).