content
Goals
Dump & Play alaw pcm, mulaw pcm audio source from RTP Package
Environment
| name | version |
|---|---|
| wireshark | Version 3.4.2 (v3.4.2-0-ga889cf1b1bf9) on windows 64 bit |
| Audacity | Audacity 2.4.2 on Windows 64 bit |
*need audio codec .dll plugin
steps
RTP package capture
Input filter: ip.src_host == && tcp
start capture for duration
press Protocol > decode as
hen you can see G.711 Alaw audio
Wireshark play audio
Extract audio source
press Telephony > RTP > RTP streams >select g711A stream > Analyze
save: press Save > Unsynchronized Forward stream Audio > save as .raw
will like jpegAudio.rawplay in wireshark
3.1 press Play Streams
3.2 Wireshark audio page
Play and Analyze
Import 原始資料 > open .raw in Audacity
import config
play in Audacity
