The I2S-TDM IP core is a highly configurable, full-duplex, multichannel serial audio transceiver. The transceiver can act as a controller (master) or a target (slave) for Inter-IC Sound (I2S) and Time ...

aside from the ESP32 there’s an I2S microphone and I2S audio amplifier, which along with battery and speaker are housed in a neat 3D printed case. I2S is used for simplicity, but there is no ...