diff --git a/readme.md b/readme.md index 2334139..fed38b0 100644 --- a/readme.md +++ b/readme.md @@ -25,9 +25,16 @@ ready to be used for T3.x and T4.x. There are some restrictions, particularly t Notes ----- -1 - The USB_Audio_F32.h includes all the functions needed to use USB audio for input and output. However, it is not in the OpenAudio_ArduinoLibrary.h as would be expected. To use this class, add "#include USB_Audio_F32.h" to the INO file and before compiling, go to the IDE Tools>USB Type and set the radio button to "Audio." This should then compile without error. Also, using this class requires some amount of I16 audio memory, such as a line in the top of the INO, "AudioMemory(10);" -2 - This library generally supports changing sample rates within the range of the Codec hardware being used. -See Examples/PassthroughF32/PassthroughF32.ino. In addition, be aware that classes that need speed scaling such as waveform generators and filters must be modified +1 - The USB_Audio_F32.h includes all the functions needed to use USB audio for input and output. +However, it is not in the OpenAudio_ArduinoLibrary.h as would be expected. To use this class, +add "#include USB_Audio_F32.h" to the INO file and before compiling, go to the +IDE Tools>USB Type and set the radio button to "Audio." This should then compile without error. +Also, using this class requires some amount of I16 audio memory, such as a line in the top of +the INO, "AudioMemory(10);" + +2 - This library generally supports changing sample rates within the range of the Codec hardware +being used. See Examples/PassthroughF32/PassthroughF32.ino. In addition, be aware that classes that +need speed scaling such as waveform generators and filters must be modified individually using built-in functions such as AudioSynthWaveformSine_F32::setSampleRate_Hz(float &fs_Hz). Also, see https://forum.pjrc.com/threads/38753-Discussion-about-a-simple-way-to-change-the-sample-rate