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-rw-r--r--gr-audio/README11
-rw-r--r--gr-audio/lib/gr-audio.conf2
2 files changed, 12 insertions, 1 deletions
diff --git a/gr-audio/README b/gr-audio/README
new file mode 100644
index 000000000..ae929a94a
--- /dev/null
+++ b/gr-audio/README
@@ -0,0 +1,11 @@
+The gnuradio audio component provides an audio_source and audio_sink block.
+The audio blocks stream floating point samples to and from audio hardware.
+
+The gr-audio will be built automatically when gnuradio-core is enabled.
+Support for underlying audio architectures depends on OS and installed libraries.
+At the time of writing, gr-audio supports oss, alsa, jack, portaudio, audiounit, and winmm.
+
+At runtime, gr-audio will automatically select from the available architectures.
+The user can override the selection via configuration file by setting "audio_module"
+to one of the following strings: oss, alsa, jack, portaudio, osx, or windows.
+See gr-audio.conf for an example.
diff --git a/gr-audio/lib/gr-audio.conf b/gr-audio/lib/gr-audio.conf
index cf3d6db11..9a7007656 100644
--- a/gr-audio/lib/gr-audio.conf
+++ b/gr-audio/lib/gr-audio.conf
@@ -4,4 +4,4 @@
[audio]
-#default_arch = alsa
+audio_module = auto