how to use i2s on beetle

i2s_std.h is not found in arduino ide or internet

I have example code, but keep getting C:\Users\Bruce\Documents\Arduino\DM1_20230711221128\DM1_20230711221128.ino:21:10: fatal error: driver/i2s_std.h: No such file or directory
#include "driver/i2s_std.h"
         ^~~~~~~~~~~~~~~~~~
compilation terminated.

exit status 1

Compilation error: driver/i2s_std.h: No such file or directory