Typically 640x360 or 480x360, commonly known as 360p . Codec: Uses AVC1 (H.264) , specifically profile avc1.4d401e .
yt-dlp -f 134+140 [URL] combines the 134 video with the standard 128k M4A audio stream. Summary Table: Format 134 vs. Peers Format Code Resolution Stream Type 133 Video Only 134 360p H.264 Video Only 135 Video Only 243 Video Only (WebM) 134 mp4
When a video is uploaded to a major platform, it is transcoded into multiple "format codes" to support Dynamic Adaptive Streaming over HTTP (DASH). Format 134 is a standardized identifier for a specific set of technical specifications: Typically 640x360 or 480x360, commonly known as 360p
yt-dlp -F [URL] will show you if format 134 is available for a specific video. Summary Table: Format 134 vs
Understanding "134 mp4" is more than just knowing a file extension—it's about understanding how the internet balances quality and accessibility to ensure video remains a universal medium, regardless of hardware or connection speed. Youtube-Dl Tutorial With Examples For Beginners - OSTechNix