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added improved example using SoX

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This commit is contained in:
Ahmet Inan 2025-07-22 11:25:54 +02:00
commit 92a3ef6c31
1 changed files with 10 additions and 2 deletions
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README.md vendored
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@ -18,13 +18,13 @@ Encode file ```uncoded.dat``` to ```encoded.wav``` [WAV](https://en.wikipedia.or
Start recording to ```recorded.wav``` audio file and stop after 5 seconds:
```
arecord -c 1 -f S16_LE -r 48000 -d 5 recorded.wav
sox -d -c 1 -e float recorded.wav
```
Start playing ```encoded.wav``` audio file:
```
aplay encoded.wav
play encoded.wav
```
Decode ```recorded.wav``` audio file to ```decoded.dat``` file:
@ -39,6 +39,14 @@ Compare original ```uncoded.dat``` with ```decoded.dat```:
diff -s uncoded.dat decoded.dat
```
### Stream Audio
This currently works on macOS and Linux only: Stream live audio into the decoder:
```
sox -q -d -c 1 -e float -t wav - | ./decode - decoded.dat
```
### Supported Modes
All modes need a bandwidth of 2400 Hz and there are two frame sizes.