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| 1 | +#!/bin/sh | |
| 2 | +# | |
| 3 | +# fmsim - simulates FM radio sound (or broadcast signal condition if the | |
| 4 | +# lowp at the end is skipped - not that the pipeline is set up with | |
| 5 | +# US-style 75us preemphasis). | |
| 6 | +# | |
| 7 | +# Thats signed 32-bit 44100Hz audio from stdin and outputs to stdout. | |
| 8 | + | |
| 9 | + | |
| 10 | +../src/sox -V -t raw -r 44100 -s -w -c 2 - -t raw -r 44100 -s -l -c 2 \ | |
| 11 | + - vol -3 db filter 8000- 32 100 mcompand ".005,.1 \ | |
| 12 | + -47,-40,-34,-34,-17,-33 0 0 0" 100 ".003,.05 \ | |
| 13 | + -47,-40,-34,-34,-17,-33 0 0 0" 400 ".000625,.0125 \ | |
| 14 | + -47,-40,-34,-34,-15,-33 0 0 0" 1600 ".0001,.025 \ | |
| 15 | + -47,-40,-34,-34,-31,-31,-0,-30 0 0 0" 6400 \ | |
| 16 | + "0,.025 -38,-31,-28,-28,-0,-25 0 0 0" vol 27 db vol -12 \ | |
| 17 | + db highpass 22 highpass 22 filter -17500 256 vol +12 db \ | |
| 18 | + vol -3 db lowp 17801 | |