diff --git a/lib/dash.js b/lib/dash.js
index 1ac581f..1593a8c 100644
--- a/lib/dash.js
+++ b/lib/dash.js
@@ -135,11 +135,20 @@ const parseLanguage = (representation, adaptationSet, fallbackLanguage) => {
   return language;
 };
 
+const identifierPattern = /\$([A-z]*)(?:(%0)([0-9]+)d)?\$/g;
+const identifierReplacement =
+  (values) => (match, identifier, format, width) => {
+    if (match === '$$') return '$';
+    if (typeof values[identifier] === 'undefined') return match;
+    const value = '' + values[identifier];
+    if (identifier === 'RepresentationID') return value;
+    if (!format) width = 1;
+    else width = parseInt(width, 10);
+    if (value.length >= width) return value;
+    return value.padStart(width, '0');
+  };
 const buildSegmentUrl = (template, fields) => {
-  let result = template;
-  for (const [key, value] of Object.entries(fields))
-    result = result.replace('$' + key + '$', value);
-  return result;
+  return template.replace(identifierPattern, identifierReplacement(fields));
 };
 
 const resolveSegmentTemplateUrls = (segmentTemplate, baseUrl, manifestUrl) => {
@@ -215,10 +224,6 @@ const parseSegmentsFromTemplate = (
     : DEFAULT_SEGMENTS_COUNT;
   const bandwidth = representation.get('bandwidth');
   const id = representation.get('id');
-
-  const sanitizeTemplate = (template) =>
-    template?.replace(/\$.*?(RepresentationID|Number|Time).*?\$/g, '$$$1$$');
-
   const segments = [];
   if (segmentTimeline) {
     segments.push(
@@ -230,9 +235,8 @@ const parseSegmentsFromTemplate = (
       ),
     );
   } else {
-    const template = sanitizeTemplate(segmentTemplate.get('media'));
     for (let i = startNumber; i < startNumber + segmentsCount; i++) {
-      const url = buildSegmentUrl(template, {
+      const url = buildSegmentUrl(segmentTemplate.get('media'), {
         Bandwidth: bandwidth,
         RepresentationID: id,
         Number: i,
@@ -241,9 +245,7 @@ const parseSegmentsFromTemplate = (
       segments.push({ url });
     }
   }
-  const initialization = sanitizeTemplate(
-    segmentTemplate.get('initialization'),
-  );
+  const initialization = segmentTemplate.get('initialization');
   if (initialization) {
     const url = buildSegmentUrl(initialization, {
       Bandwidth: bandwidth,
diff --git a/package-lock.json b/package-lock.json
index f59ac2d..15fe5af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -553,10 +553,11 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.15.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.15.0.tgz",
-      "integrity": "sha512-tMTqrY+EzbXmKJR5ToI8lxu7jaN5EdmrBFJpQk5JmSlyLsx6o4t27r883K5xsLuCYCpfKBCGswMSWXsM+jB7lg==",
+      "version": "9.16.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.16.0.tgz",
+      "integrity": "sha512-tw2HxzQkrbeuvyj1tG2Yqq+0H9wGoI2IMk4EOsQeX+vmd75FtJAzf+gTA69WF+baUKRYQ3x2kbLE08js5OsTVg==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       }
@@ -1031,9 +1032,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.10.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.10.0.tgz",
-      "integrity": "sha512-XC70cRZVElFHfIUB40FgZOBbgJYFKKMa5nb9lxcwYstFG/Mi+/Y0bGS+rs6Dmhmkpq4pnNiLiuZAbc02YCOnmA==",
+      "version": "22.10.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.10.1.tgz",
+      "integrity": "sha512-qKgsUwfHZV2WCWLAnVP1JqnpE6Im6h3Y0+fYgMTasNQ7V++CBX5OT1as0g0f+OyubbFqhf6XVNIsmN4IIhEgGQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1366,9 +1367,9 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.15.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.15.0.tgz",
-      "integrity": "sha512-7CrWySmIibCgT1Os28lUU6upBshZ+GxybLOrmRzi08kS8MBuO8QA7pXEgYgY5W8vK3e74xv0lpjo9DbaGU9Rkw==",
+      "version": "9.16.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.16.0.tgz",
+      "integrity": "sha512-whp8mSQI4C8VXd+fLgSM0lh3UlmcFtVwUQjyKCFfsp+2ItAIYhlq/hqGahGqHE6cv9unM41VlqKk2VtKYR2TaA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1377,7 +1378,7 @@
         "@eslint/config-array": "^0.19.0",
         "@eslint/core": "^0.9.0",
         "@eslint/eslintrc": "^3.2.0",
-        "@eslint/js": "9.15.0",
+        "@eslint/js": "9.16.0",
         "@eslint/plugin-kit": "^0.2.3",
         "@humanfs/node": "^0.16.6",
         "@humanwhocodes/module-importer": "^1.0.1",
@@ -1497,6 +1498,16 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint/node_modules/@eslint/js": {
+      "version": "9.15.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.15.0.tgz",
+      "integrity": "sha512-tMTqrY+EzbXmKJR5ToI8lxu7jaN5EdmrBFJpQk5JmSlyLsx6o4t27r883K5xsLuCYCpfKBCGswMSWXsM+jB7lg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      }
+    },
     "node_modules/eslint/node_modules/eslint-visitor-keys": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.0.tgz",
@@ -1741,10 +1752,11 @@
       }
     },
     "node_modules/globals": {
-      "version": "15.12.0",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-15.12.0.tgz",
-      "integrity": "sha512-1+gLErljJFhbOVyaetcwJiJ4+eLe45S2E7P5UiZ9xGfeq3ATQf5DOv9G7MH3gGbKQLkzmNh2DxfZwLdw+j6oTQ==",
+      "version": "15.13.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-15.13.0.tgz",
+      "integrity": "sha512-49TewVEz0UxZjr1WYYsWpPrhyC/B/pA8Bq0fUmet2n+eR7yn0IvNzNaoBwnK6mdkzcN+se7Ez9zUgULTz2QH4g==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=18"
       },
diff --git a/test/axinom.test.js b/test/axinom.test.js
index b97bf3d..4e0892e 100644
--- a/test/axinom.test.js
+++ b/test/axinom.test.js
@@ -13,7 +13,7 @@ test('axinom manifest parsing', async () => {
   const firstVideoSegment = firstVideoTrack.segments[1]; // Skip init
   strictEqual(
     firstVideoSegment.url,
-    'https://media.axprod.net/TestVectors/v7-MultiDRM-SingleKey/5/1.m4s',
+    'https://media.axprod.net/TestVectors/v7-MultiDRM-SingleKey/5/0001.m4s',
   );
 
   const firstSubtitleTrack = manifest.tracks.subtitles[0];
diff --git a/types/dasha.d.ts b/types/dasha.d.ts
index b2132da..daac1c5 100644
--- a/types/dasha.d.ts
+++ b/types/dasha.d.ts
@@ -145,8 +145,7 @@ export type SubtitleCodec =
   | 'TTML'
   | 'VTT'
   | 'STPP'
-  | 'fTTML'
-  | 'fVTT';
+  | 'WVTT';
 
 export interface SubtitleTrack extends Track {
   type: 'text';