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 78f02db8..2c098ef4 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -95,7 +95,9 @@ declare namespace fileType {
 		| 'ics'
 		| 'glb'
 		| 'pcap'
-		| 'dsf';
+		| 'dsf'
+		| 'voc'
+		| 'ac3';
 
 	interface FileTypeResult {
 		/**
diff --git a/index.js b/index.js
index 82e2a830..56e17f1e 100644
--- a/index.js
+++ b/index.js
@@ -919,6 +919,20 @@ const fileType = input => {
 			mime: 'audio/x-dsf' // Non-standard
 		};
 	}
+
+	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'
+		};
+	}
 };
 
 module.exports = fileType;
diff --git a/package.json b/package.json
index bf39170b..c11a1b50 100644
--- a/package.json
+++ b/package.json
@@ -120,7 +120,9 @@
 		"ics",
 		"glb",
 		"pcap",
-		"dsf"
+		"dsf",
+		"voc",
+		"ac3"
 	],
 	"devDependencies": {
 		"@types/node": "^11.12.2",
diff --git a/readme.md b/readme.md
index a4eda412..ad0b3a08 100644
--- a/readme.md
+++ b/readme.md
@@ -217,6 +217,8 @@ Type: [`stream.Readable`](https://nodejs.org/api/stream.html#stream_class_stream
 - [`glb`](https://github.com/KhronosGroup/glTF) - GL Transmission Format
 - [`pcap`](https://wiki.wireshark.org/Development/LibpcapFileFormat) - Libpcap File Format
 - [`dsf`](https://dsd-guide.com/sites/default/files/white-papers/DSFFileFormatSpec_E.pdf) - Sony DSD Stream File (DSF)
+- [`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 e4c79097..7f073eda 100644
--- a/test.js
+++ b/test.js
@@ -104,7 +104,8 @@ const types = [
 	'ics',
 	'glb',
 	'pcap',
-	'dsf'
+	'dsf',
+	'voc'
 ];
 
 // Define an entry here only if the fixture has a different