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you can also stream out

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Ahmet Inan 2025-07-22 17:47:54 +02:00
commit 3d6227a5b7
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@ -41,12 +41,20 @@ diff -s uncoded.dat decoded.dat
### Stream Audio
This currently works on macOS and Linux only: Stream live audio into the decoder:
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
```
Stream audio out of the encoder:
```
./encode - 48000 32 1 1500 ANONYMOUS QAM16 1/2 short uncoded.dat | play -q -
```
### Supported Modes
All modes need a bandwidth of 2400 Hz and there are two frame sizes.
@ -180,7 +188,7 @@ Prerequisite: [disorders](https://github.com/aicodix/disorders)
Encode ```uncoded.dat``` to [analytic](https://en.wikipedia.org/wiki/Analytic_signal) audio signal, add [multipath](https://en.wikipedia.org/wiki/Multipath_propagation), [CFO, SFO](https://en.wikipedia.org/wiki/Carrier_frequency_offset), [AWGN](https://en.wikipedia.org/wiki/Additive_white_Gaussian_noise), decode and compare:
```
./encode - 48000 16 2 1500 ANONYMOUS QAM16 1/2 short uncoded.dat | ../disorders/multipath - - ../disorders/multipath.txt 10 | ../disorders/cfo - - 234.567 | ../disorders/sfo - - 147 | ../disorders/awgn - - -20 | ./decode - - | diff -q -s uncoded.dat -
./encode - 48000 32 2 1500 ANONYMOUS QAM16 1/2 short uncoded.dat | ../disorders/multipath - - ../disorders/multipath.txt 10 | ../disorders/cfo - - 234.567 | ../disorders/sfo - - 147 | ../disorders/awgn - - -20 | ./decode - - | diff -q -s uncoded.dat -
```
### Reading