documentation

Author: pschatzmann

examples/file_raw-a2dp/README.md

@@ -1,6 +1,8 @@
 # Stream SD File to A2DP Bluetooth
 
-We are reading a raw audio file from the SD card and send it to a Bluetooth A2DP device. The audio file must be available using 16 bit integers with 2 channels. [Audacity](https://www.audacityteam.org/) might help you out here...
+We are reading a raw audio file from the SD card and send it to a Bluetooth A2DP device. The audio file must be available using 16 bit integers with 2 channels. 
+
+[Audacity](https://www.audacityteam.org/) might help you out here: export with the file name audio.raw as RAW signed 16 bit PCM and copy it to the SD card.
 
 ![sd](https://pschatzmann.github.io/arduino-sound-tools/resources/sd-module.jpeg)
 

examples/file_raw-serial/README.md

@@ -2,6 +2,8 @@
 
 We are reading a raw audio file from the SD card and send it to a Bluetooth A2DP device. The audio file must be available using 16 bit integers with 2 channels.
 
+[Audacity](https://www.audacityteam.org/) might help you out here: export with the file name audio.raw as RAW signed 16 bit PCM and copy it to the SD card.
+
 ![sd](https://pschatzmann.github.io/arduino-sound-tools/resources/sd-module.jpeg)
 
 The SD module is connected with the help of the SPI bus