Simple record/playback settings amixer set 'Headphone' 103Īmixer set 'Capture Attenuate Switch (-6dB)' 'on' There are lots of mixer controls, it’s important to set these correctly. Microphone selector (onboard or external) Mic bias voltage for the use with electret microphonesĪnalog input (connected in parallel to the phone jack input).Power supply via I/O board possible if Pi’s power jack isn’t expose to the outside of your enclosure Directly powered from the Raspberry Pi, no additional power supply.Compatible with all Raspberry Pi models with a 40-pin GPIO connector.No soldering, comes as a pre-fabricated kit.Connects directly to the Raspberry Pi, no additional cables needed.You can control the input and output parameters using “alsamixer” or any application that supports ALSA mixer controls. Hardware volume control for DAC and ADC.If you’re a business customer, please contact us to discuss your specific needs. Please note that this board isn’t available to end users. It is designed specifically for OEMs that require analog input and output capabilities at an affordable price. This is a special sound card for the Raspberry Pi, optimised for one specific use case: affordable audio recording and playback. The HiFiBerry Codec Stage is a audio codec (DAC and ADC) for the Raspberry Pi (newer models with 40 pin GPIO connector).

Raspberry pi codecs