diff --git a/src/codec/audio_service.rs b/src/codec/audio_service.rs
new file mode 100644
index 0000000..faf7217
--- /dev/null
+++ b/src/codec/audio_service.rs
@@ -0,0 +1,47 @@
+use ffi::*;
+
+#[derive(Eq, PartialEq, Clone, Copy, Debug)]
+pub enum AudioService {
+	Main,
+	Effects,
+	VisuallyImpaired,
+	HearingImpaired,
+	Dialogue,
+	Commentary,
+	Emergency,
+	VoiceOver,
+	Karaoke,
+}
+
+impl From<AVAudioServiceType> for AudioService {
+	fn from(value: AVAudioServiceType) -> Self {
+		match value {
+			AV_AUDIO_SERVICE_TYPE_MAIN              => AudioService::Main,
+			AV_AUDIO_SERVICE_TYPE_EFFECTS           => AudioService::Effects,
+			AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED => AudioService::VisuallyImpaired,
+			AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED  => AudioService::HearingImpaired,
+			AV_AUDIO_SERVICE_TYPE_DIALOGUE          => AudioService::Dialogue,
+			AV_AUDIO_SERVICE_TYPE_COMMENTARY        => AudioService::Commentary,
+			AV_AUDIO_SERVICE_TYPE_EMERGENCY         => AudioService::Emergency,
+			AV_AUDIO_SERVICE_TYPE_VOICE_OVER        => AudioService::VoiceOver,
+			AV_AUDIO_SERVICE_TYPE_KARAOKE           => AudioService::Karaoke,
+			AV_AUDIO_SERVICE_TYPE_NB                => AudioService::Main
+		}
+	}
+}
+
+impl Into<AVAudioServiceType> for AudioService {
+	fn into(self) -> AVAudioServiceType {
+		match self {
+			AudioService::Main             => AV_AUDIO_SERVICE_TYPE_MAIN,
+			AudioService::Effects          => AV_AUDIO_SERVICE_TYPE_EFFECTS,
+			AudioService::VisuallyImpaired => AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED,
+			AudioService::HearingImpaired  => AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED,
+			AudioService::Dialogue         => AV_AUDIO_SERVICE_TYPE_DIALOGUE,
+			AudioService::Commentary       => AV_AUDIO_SERVICE_TYPE_COMMENTARY,
+			AudioService::Emergency        => AV_AUDIO_SERVICE_TYPE_EMERGENCY,
+			AudioService::VoiceOver        => AV_AUDIO_SERVICE_TYPE_VOICE_OVER,
+			AudioService::Karaoke          => AV_AUDIO_SERVICE_TYPE_KARAOKE
+		}
+	}
+}
diff --git a/src/codec/mod.rs b/src/codec/mod.rs
index 781a01e..c49cfbf 100644
--- a/src/codec/mod.rs
+++ b/src/codec/mod.rs
@@ -14,6 +14,8 @@ pub use self::context::Context;
 
 pub mod codec;
 
+pub mod audio_service;
+
 pub mod encoder;
 pub mod decoder;
 
diff --git a/src/lib.rs b/src/lib.rs
index 03f02cb..0190913 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,6 +34,8 @@ pub use codec::picture::Picture;
 pub use codec::discard::Discard;
 #[cfg(feature = "codec")]
 pub use codec::codec::Codec;
+#[cfg(feature = "codec")]
+pub use codec::audio_service::AudioService;
 
 #[cfg(feature = "device")]
 pub mod device;