diff --git a/README.md b/README.md index 91720ae..4710171 100644 --- a/README.md +++ b/README.md @@ -18,10 +18,12 @@ sudo ./fm_transmitter -f 102.0 acoustic_guitar_duet.wav Where: * -f frequency - Specifies the frequency in MHz, 100.0 by default if not passed * acoustic_guitar_duet.wav - Sample WAVE file, You can use your own + Other options: * -d dma_channel - Specifies DMA channel to be used (0 by default), type 255 to disable DMA transfer, CPU will be used instead * -b bandwidth - Specifies the bandwidth in kHz, 100 by default * -r - Loops the playback + After transmission has begun, simply tune an FM receiver to chosen frequency, You should hear the playback. ### Supported audio formats You can transmitt uncompressed WAVE (.wav) files directly or read audio data from stdin, eg.: @@ -47,4 +49,5 @@ Please keep in mind that transmitting on certain frequencies without special per * works on every Raspberry Pi model * reads mono and stereo files * reads data from stdin + Included sample audio was created by [graham_makes](https://freesound.org/people/graham_makes/sounds/449409/) and published on [freesound.org](https://freesound.org/) \ No newline at end of file