diff --git a/package-lock.json b/package-lock.json
index e50cfeb..b2f357c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "typedoc": "^0.22.11",
         "typedoc-plugin-extras": "^2.2.1",
         "typedoc-plugin-missing-exports": "^0.22.4",
-        "typescript": "^4.5.5"
+        "typescript": "^4.7.2"
       },
       "engines": {
         "node": ">=16.0.0"
@@ -1460,9 +1460,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.6.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.4.tgz",
-      "integrity": "sha512-9ia/jWHIEbo49HfjrLGfKbZSuWo9iTMwXO+Ca3pRsSpbsMbc7/IU8NKdCZVRRBafVPGnoJeFL76ZOAA84I9fEg==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.2.tgz",
+      "integrity": "sha512-Mamb1iX2FDUpcTRzltPxgWMKy3fhg0TN378ylbktPGPK/99KbDtMQ4W1hwgsbPAsG3a0xKa1vmw4VKZQbkvz5A==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -2454,9 +2454,9 @@
       "requires": {}
     },
     "typescript": {
-      "version": "4.6.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.4.tgz",
-      "integrity": "sha512-9ia/jWHIEbo49HfjrLGfKbZSuWo9iTMwXO+Ca3pRsSpbsMbc7/IU8NKdCZVRRBafVPGnoJeFL76ZOAA84I9fEg==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.2.tgz",
+      "integrity": "sha512-Mamb1iX2FDUpcTRzltPxgWMKy3fhg0TN378ylbktPGPK/99KbDtMQ4W1hwgsbPAsG3a0xKa1vmw4VKZQbkvz5A==",
       "dev": true
     },
     "vscode-oniguruma": {
diff --git a/package.json b/package.json
index 6f9fd26..9caec9e 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "typedoc": "^0.22.11",
     "typedoc-plugin-extras": "^2.2.1",
     "typedoc-plugin-missing-exports": "^0.22.4",
-    "typescript": "^4.5.5"
+    "typescript": "^4.7.2"
   },
   "dependencies": {
     "play-audio": "^0.5.2"
diff --git a/play-dl/YouTube/classes/SeekStream.ts b/play-dl/YouTube/classes/SeekStream.ts
index 8e86be1..58df9fd 100644
--- a/play-dl/YouTube/classes/SeekStream.ts
+++ b/play-dl/YouTube/classes/SeekStream.ts
@@ -71,6 +71,7 @@ export class SeekStream {
         duration: number,
         headerLength: number,
         contentLength: number,
+        bitrate: number,
         video_url: string,
         options: StreamOptions
     ) {
@@ -83,7 +84,7 @@ export class SeekStream {
         this.type = StreamType.Opus;
         this.bytes_count = 0;
         this.video_url = video_url;
-        this.per_sec_bytes = Math.ceil(contentLength / duration);
+        this.per_sec_bytes = bitrate ? Math.ceil(bitrate / 8) : Math.ceil(contentLength / duration);
         this.header_length = headerLength;
         this.content_length = contentLength;
         this.request = null;
diff --git a/play-dl/YouTube/stream.ts b/play-dl/YouTube/stream.ts
index b9fdfd0..46d6b42 100644
--- a/play-dl/YouTube/stream.ts
+++ b/play-dl/YouTube/stream.ts
@@ -65,6 +65,8 @@ export async function stream_from_info(
 ): Promise<YouTubeStream> {
     if (info.format.length === 0)
         throw new Error('Upcoming and premiere videos that are not currently live cannot be streamed.');
+    if (options.quality && !Number.isInteger(options.quality))
+        throw new Error("Quality must be set to an integer.")
 
     const final: any[] = [];
     if (
@@ -99,6 +101,7 @@ export async function stream_from_info(
                 info.video_details.durationInSec,
                 final[0].indexRange.end,
                 Number(final[0].contentLength),
+                Number(final[0].bitrate),
                 info.video_details.url,
                 options
             );
diff --git a/play-dl/YouTube/utils/extractor.ts b/play-dl/YouTube/utils/extractor.ts
index 5512301..a11216e 100644
--- a/play-dl/YouTube/utils/extractor.ts
+++ b/play-dl/YouTube/utils/extractor.ts
@@ -151,7 +151,7 @@ export async function video_basic_info(url: string, options: InfoOptions = {}):
     const player_data = body
         .split('var ytInitialPlayerResponse = ')?.[1]
         ?.split(';</script>')[0]
-        .split(/;\s*(var|const|let)\s/)[0];
+        .split(/(?<=}}});\s*(var|const|let)\s/)[0];
     if (!player_data) throw new Error('Initial Player Response Data is undefined.');
     const initial_data = body
         .split('var ytInitialData = ')?.[1]
@@ -349,7 +349,7 @@ export async function video_stream_info(url: string, options: InfoOptions = {}):
     const player_data = body
         .split('var ytInitialPlayerResponse = ')?.[1]
         ?.split(';</script>')[0]
-        .split(/;\s*(var|const|let)\s/)[0];
+        .split(/(?<=}}});\s*(var|const|let)\s/)[0];
     if (!player_data) throw new Error('Initial Player Response Data is undefined.');
     const player_response = JSON.parse(player_data);
     let upcoming = false;
diff --git a/play-dl/YouTube/utils/parser.ts b/play-dl/YouTube/utils/parser.ts
index 8515b4f..0f1a922 100644
--- a/play-dl/YouTube/utils/parser.ts
+++ b/play-dl/YouTube/utils/parser.ts
@@ -146,7 +146,7 @@ export function parseVideo(data?: any): YouTubeVideo {
         id: data.videoRenderer.videoId,
         url: `https://www.youtube.com/watch?v=${data.videoRenderer.videoId}`,
         title: data.videoRenderer.title.runs[0].text,
-        description: data.videoRenderer.detailedMetadataSnippets?.[0].snippetText.runs.length
+        description: data.videoRenderer.detailedMetadataSnippets?.[0].snippetText.runs?.length
             ? data.videoRenderer.detailedMetadataSnippets[0].snippetText.runs.map((run: any) => run.text).join('')
             : '',
         duration: durationText ? parseDuration(durationText.simpleText) : 0,