diff --git a/dev/convert.html b/dev/convert.html
index 00322c1..3fcaad9 100644
--- a/dev/convert.html
+++ b/dev/convert.html
@@ -21,7 +21,7 @@
 			chunked: true,
 			chunkSize: 2**20
 		});
-		const outputFormat = new Mediabunny.MovOutputFormat();
+		const outputFormat = new Mediabunny.Mp4OutputFormat();
 
 		const button = document.createElement('button');
 		button.textContent = 'Cancel';
@@ -38,7 +38,8 @@
 				target
 			}),
 			audio: {
-				codec: 'pcm-f64'
+				codec: 'opus',
+				bitrate: 128000,
 				//numberOfChannels: 1,
 				//sampleRate: 4000
 				//discard: true
diff --git a/package-lock.json b/package-lock.json
index becac23..c857052 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mediabunny",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mediabunny",
-      "version": "1.0.1",
+      "version": "1.0.2",
       "license": "MPL-2.0",
       "dependencies": {
         "@types/dom-mediacapture-transform": "^0.1.11",
diff --git a/package.json b/package.json
index 9a6e1b5..23425fc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mediabunny",
   "author": "Vanilagy",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Pure TypeScript media toolkit for reading, writing, and converting media files, directly in the browser.",
   "type": "module",
   "main": "./dist/mediabunny.js",
diff --git a/src/media-source.ts b/src/media-source.ts
index 7734f5f..d6ad97e 100644
--- a/src/media-source.ts
+++ b/src/media-source.ts
@@ -416,8 +416,9 @@ class VideoEncoderWrapper {
 				const support = await VideoEncoder.isConfigSupported(encoderConfig);
 				if (!support.supported) {
 					throw new Error(
-						'This specific encoder configuration is not supported by this browser. Consider using another'
-						+ ' codec or changing your video parameters.',
+						`This specific encoder configuration (${encoderConfig.codec}, ${encoderConfig.bitrate} bps,`
+						+ ` ${encoderConfig.width}x${encoderConfig.height}) is not supported by this browser. Consider`
+						+ ` using another codec or changing your video parameters.`,
 					);
 				}
 
@@ -988,8 +989,9 @@ class AudioEncoderWrapper {
 				const support = await AudioEncoder.isConfigSupported(encoderConfig);
 				if (!support.supported) {
 					throw new Error(
-						'This specific encoder configuration not supported by this browser. Consider using another'
-						+ ' codec or changing your audio parameters.',
+						`This specific encoder configuration (${encoderConfig.codec}, ${encoderConfig.bitrate} bps,`
+						+ ` ${encoderConfig.numberOfChannels} channels, ${encoderConfig.sampleRate} Hz) is not`
+						+ ` supported by this browser. Consider using another codec or changing your audio parameters.`,
 					);
 				}