port from ARM CMSIS

https://github.com/whyengineer/esp32-li ... e/dsp_test

https://github.com/whyengineer/esp32_sn ... mple/speex
i port the speex to esp32
the example contain encode demo and decode demo.
a raw pcm file(625k) can be decoded to a spx file(75k).

this a simple demo:
https://youtu.be/n1iKDgKCfHM

i can't put the board into electrodragon..

the next generate board
viewtopic.php?f=12&t=3744

The new borad ESP32-SNOW has realeased!! https://img.whyengineer.com/esp32_snow.png?imageView2/2/w/400/h/400/q/75|imageslim 1.Use The ESP32-Wrover Module.with external 4MB PSRAM 2.It has codec WM8978,using the GPIO0 as the mclk output 3.It has a mpu6050,3-axi acc and 3-axi gyro,which can make a ama...

The new borad ESP32-SNOW has realeased!! hi frankie nice board. perhabs this post is better in " showcase " (too) cause people look moretimes instead of in esp32 projects. do you offer this board only at taobo? perhabs you can give it at Electrodragon too there are allways very good and millions of...

The new borad ESP32-SNOW has realeased!! https://img.whyengineer.com/esp32_snow.png?imageView2/2/w/400/h/400/q/75|imageslim 1.Use The ESP32-Wrover Module.with external 4MB PSRAM 2.It has codec WM8978,using the GPIO0 as the mclk output 3.It has a mpu6050,3-axi acc and 3-axi gyro,which can make a ama...

why i can't find the xtensa-1.22.x-ext_ram_patch branch。
how can i get this.
tks!

a new demo
ble and wifi gateway
https://youtu.be/ViGX7JULN0U

this is simple demo video：
https://youtu.be/XmACCHjvG5k