CodecPath

Video

Why a file will not play, which codec is inside it, and which official player or store pack to use.

Official software

Articles

Video

6 min

Dolby Vision vs 4K: Why You Can Have Both

4K describes pixel resolution, while Dolby Vision controls HDR brightness, contrast and color. A television or stream can support either one, both or neither.

Video

7 min

Dolby Vision vs Dolby Atmos: Picture and Sound Explained

Dolby Vision controls HDR picture presentation, while Dolby Atmos describes immersive audio. They work independently and can be used together.

Video

5 min

How Adaptive Bitrate Streaming Chooses Video Quality

Adaptive bitrate streaming chooses among pre-encoded renditions using throughput, buffer health, device limits, and the risk of an imminent stall.

Video

5 min

Audio Bitrate OBS Settings for Streaming and Recording

Use 160 kbps for most OBS streams, raise it only when the platform and connection allow, and set recording audio separately for better local quality.

Video

4 min

VP9 Codec in 2026: Where AV1 Wins and VP9 Survives

AV1 is the better choice for new video deployments, while VP9 remains useful for browsers, smart TVs and older playback hardware.

Video

8 min

Practical Bitrate for 4K and 720p Video

Start 4K video at 15 to 25 Mbps for 30 fps or 25 to 45 Mbps for 60 fps, then adjust for codec, motion, HDR and upload capacity.

Video

9 min

VP9 vs AV1: When Does Migration Now Pay?

AV1 is worth adopting when bandwidth and reach savings exceed encoding, storage, validation, and VP9 fallback costs for the audience actually watching.

Video

7 min

HDR HLG Explained: How One Signal Serves HDR and SDR TVs

HLG encodes broadcast HDR without per-program metadata, letting compatible TVs show brighter highlights while many SDR sets display a usable picture.

Video

7 min

HDR10 vs Dolby Vision: The Better Format and Hardware You Need

Dolby Vision wins on tone mapping, but a bright, well-tuned HDR10 television can still beat a mediocre set carrying Dolby's logo.

Video

8 min

AV1 vs H265: Which Video Codec Should You Choose?

Choose AV1 for efficient web delivery and new hardware; choose H.265 for faster encoding, Apple devices, televisions, and established playback support.

Video

4 min

Bitrate Calculator: Set Quality and Predict File Size

Calculate video bitrate from runtime and target size, reserve room for audio and overhead, then check whether the result suits the codec and platform.

Video

7 min

Dolby Vision TV Buying Guide: The Features That Matter

Choose a Dolby Vision TV by panel performance, tone mapping and gaming support, not by the badge alone.

Video

7 min

H.264 vs H.265: When the Storage Savings Justify Switching

H.265 wins for large 4K libraries and constrained delivery, while H.264 remains safer for fast encoding and broad playback compatibility.