Articles about media formats, codec analysis, and version updates
Every media file contains subtle traces of its creation. Embedded within these files are unique fingerprints left by the tools, devices, and encoders used during production. These metadata elements a
Google spatial audio + sperical video, HEIC files basics, some more MP4 boxes, ...
MPEG-H, AVCHD LPCM Audio, Dolby RPU in AV1, more HDR metadata...
A lot of small improvements
HDMV PGS Subtitles, TTML Subtitles, more HEVC, MPEG-TS & MP4 headers, ...
AVS2/AVS3 video, AVI subtitles, IVF format, dark theme, ...
DVB subtitles, SCTE-27 subtitles, small UI changes, ...
Apple's recent introduction of stereoscopic ("3D") video storage format for its visionOS platform, the algorithmic core of Apple Vision Pro glasses, has sparked a surge in interest. Support for this
In this post, we'll introduce the latest updates to the user interface of the analyzer application. We've added new elements aimed at optimizing functionality and improving the user experience. Let's
Major UI rework (dockable panels, command palette, hex view, context menus)...
Improved VVC parsing, more boxes for MP4/MOV, ...
Add support for LOAS/LATM AAC wrapping, FLAC audio codec, AV1 metadata_obu, ...
Support 'spatial video' files shot by iPhone 15 Pro, visualization improvements
VP8, VP9, AV1 video codecs, AVI, WAV, FLV formats, fMP4 support, DoVi RPU, ...
Matroska (MKV), WebM files support, more MP4/MOV boxes and SEI messages
Today we will learn how to quickly check MPEG-TS **program map table (PMT)** using VTCLab Media Analyzer. When you begin the analysis of MPEG-TS file, PMT may be a good start point. **It contains in
Parsing of Timed Text in MP4/MOV files, basic support of AC-4 streams, added ATSC A/65 tables & descriptors, improved file type recognition
SCTE-35 streams support, detailed user_data_registered_itu_t_t35 SEI parsing, XDCAM video in MP4
Color metadata, fragments, protection boxes in MP4. Updates from 2022 standard for MPEG-TS. SEI + APS for VVC. - MP4: Support `schm`, `sinf`, `schi`, `sgpd`, `sbgp`, `mehd`, `trex`, `sidx`, `mfhd`,
Navigating through long lists of headers is a common task in media analysis, and the scrolling functionality plays a important role in how users interact with the content. To address this need, we in
Detection of some unsupported formats to avoid representing them as 'broken' elementary streams, long-scroll helper element, few small improvements & fixes - Basic detection of RIFF (`*.avi` and `*.
New visual control element to simplify navigation, reworked rendering engine, MP4/MOV improvements
Mostly MP4/MOV, few HEVC/VVC improvements
First public version. Some internal mechanics reworked
First working prototype that is shared with a limited group of people. Not much to be proud of, but still useful for some tasks. - Multiplexing Formats: MPEG-TS, MP4/MOV (basic atoms) - Video Encodi