diff --git a/fixture/fixture.ac3 b/fixture/fixture.ac3
new file mode 100644
index 00000000..e5b56c8b
Binary files /dev/null and b/fixture/fixture.ac3 differ
diff --git a/fixture/fixture.voc b/fixture/fixture.voc
new file mode 100644
index 00000000..ae564ba1
Binary files /dev/null and b/fixture/fixture.voc differ
diff --git a/index.d.ts b/index.d.ts
index c7b6c2ba..6c126cf5 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -94,7 +94,9 @@ declare namespace fileType {
 		| 'mpc'
 		| 'ics'
 		| 'glb'
-		| 'pcap';
+		| 'pcap'
+		| 'voc'
+		| 'ac3';
 
 	interface FileTypeResult {
 		/**
diff --git a/index.js b/index.js
index cf744b3a..eff23108 100644
--- a/index.js
+++ b/index.js
@@ -920,6 +920,20 @@ const fileType = input => {
 		};
 	}
 
+	if (checkString('Creative Voice File')) {
+		return {
+			ext: 'voc',
+			mime: 'audio/x-voc'
+		};
+	}
+
+	if (check([0x77, 0x0B])) {
+		return {
+			ext: 'ac3',
+			mime: 'audio/vnd.dolby.dd-raw'
+		};
+	}
+
 	return null;
 };
 
diff --git a/package.json b/package.json
index f2a78f41..7bc1637b 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,9 @@
 		"wma",
 		"ics",
 		"glb",
-		"pcap"
+		"pcap",
+		"voc",
+		"ac3"
 	],
 	"devDependencies": {
 		"@types/node": "^11.12.2",
diff --git a/readme.md b/readme.md
index ef989cb5..b784a79f 100644
--- a/readme.md
+++ b/readme.md
@@ -216,6 +216,8 @@ Type: [`stream.Readable`](https://nodejs.org/api/stream.html#stream_class_stream
 - [`ics`](https://en.wikipedia.org/wiki/ICalendar#Data_format) - iCalendar
 - [`glb`](https://github.com/KhronosGroup/glTF) - GL Transmission Format
 - [`pcap`](https://wiki.wireshark.org/Development/LibpcapFileFormat) - Libpcap File Format
+- [`voc`](https://wiki.multimedia.cx/index.php/Creative_Voice) - Creative Voice File
+- [`ac3`](https://www.atsc.org/standard/a522012-digital-audio-compression-ac-3-e-ac-3-standard-12172012/) - ATSC A/52 Audio File
 
 *SVG isn't included as it requires the whole file to be read, but you can get it [here](https://github.com/sindresorhus/is-svg).*
 
diff --git a/test.js b/test.js
index 7efe5588..12ee550f 100644
--- a/test.js
+++ b/test.js
@@ -104,7 +104,8 @@ const types = [
 	'dcm',
 	'ics',
 	'glb',
-	'pcap'
+	'pcap',
+	'voc'
 ];
 
 // Define an entry here only if the fixture has a different