Audio Library Hardware

Hardware tested with Teensy

Teensy	Hardware	Input	Output	Channels
LC, 3.x, 4.x	PT8211, TM8211(clone?),TDA1543A		PT8211	2 out
LC, 3.x, 4.x	TDA1543		I2S	2 out
3.x	SGTL-5000 (Audio Board) REV A,B,C	I2S	I2S	2 in, 2 out	max two shields
4.x	SGTL-5000 (Audio Board) REV D	I2S	I2S	2 in, 2 out	max two shields
LC	SGTL-5000 (Audio Board) REV A,B,C	I2Sslave	I2Sslave	2 in, 2 out
LC, 3.x, 4.x	PCM5102, PCM5102A (link)		I2S	2 out
LC, 3.x, 4.x	PCM1802 (hint), PCM1808	I2S		2 in
3.x, 4x.	AK4558	I2S	I2S
3.x, 4.x	WM8731, WM8731m	I2S	I2S		(3.x/4.x Board - TGA Pro)
3.x, 4.x	CS42448	TDM	TDM	6 in, 8 out	(3.x Board) (4.x Board)
3.x, 4.x	TLV320AIC3110	I2S	I2S	1 in, 2 out
3.x, 4.x	UDA1334A		I2S	2 out
3.x, 4.x	MAX98357		I2S	2 (combined to mono)
3.x, 4.x	ADAU1966A		TDM	16 out
4.x	HifiBerry		I2S
	other:
3.x, 4.x			S/PDIF	2 out
4.x		S/PDIF		2 in
4.x			MQS	2 out
3.x	Inbuilt DAC			2 out
3.x	Inbuilt ADC			2 in
4.x	Inbuilt ADC			1 in	experimental
3.x, 4.x	Microphone SPH0645 (MEMS)		I2S
3.x, 4.x	Microphone INMP441		I2S
3.x, 4.x	Microphone IMP34DT01-M		PDM
3.6	Microphone ICS 43434		I2S		up to 4

LC: Teensyduino 1.54 needed (not released yet)

Some interfaces exist twice. I.e. you can connect 2pcs PT8211 on Teensy 4.x

See https://www.pjrc.com/teensy/gui/