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-rw-r--r--docs/replay.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/replay.txt b/docs/replay.txt
index 03e193193f..486c1e0e9d 100644
--- a/docs/replay.txt
+++ b/docs/replay.txt
@@ -225,3 +225,10 @@ recording the virtual machine this filter puts all packets coming from
the outer world into the log. In replay mode packets from the log are
injected into the network device. All interactions with network backend
in replay mode are disabled.
+
+Audio devices
+-------------
+
+Audio data is recorded and replay automatically. The command line for recording
+and replaying must contain identical specifications of audio hardware, e.g.:
+ -soundhw ac97