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AV Format on webOS TV 23

Maximum data transmission rate

TypeResolution and Image QualitySupported Models
Full HD
  • H.264 1920x1080@60P BP/MP/HP@L4.2 Maximum 40Mbps
  • HEVC 1920x1080@60P Main/Main10@L4.1 Maximum 40Mbps
All models
4K Ultra HD
  • H.264 3840x2160@30P BP/MP/HP@L5.1 Maximum 50Mbps
  • HEVC 3840x2160@60P Main/Main10@L5.1 Maximum 60Mbps VP9 3840x2160@60P Maximum 50Mbps
  • AV1 3840x2160@60P Maximum 50Mbps
Ultra HD models
8K Ultra HD
  • AV1 7680x4320@60P Maximum 40Mbps
  • HEVC 7680x4320@60P Main/Main10@L6.1 Maximum 100Mbps
8K Ultra HD models
For Ultra HD models, some models support H.264 3840x2160@60P.
For some 8K Ultra HD models, some models do not support VP9 8K. To check Ultra HD or 8K capability, use the deviceinfo method on the webOSTV.js library.

Video codec

File ExtensionCodec
.asf .wmvVideoVC-1 Advanced Profile (except WMVA), VC-1 Simple and Main Profiles
AudioWMA Standard (except WMA v1/ WMA Speech)
.aviVideoXvid(except 3 warp-point GMC), H.264/AVC, Motion Jpeg, MPEG-4
AudioMPEG-1 Layer I, II, MPEG-1 Layer III (MP3), Dolby Digital, LPCM, ADPCM
.m4v .mp4 .movVideoH.264/AVC, MPEG-4, HEVC, AV1
AudioDolby Digital, Dolby Digital Plus, AAC, MPEG-1 Layer III (MP3), Dolby AC-41), MPEG-H 3D Audio1), DTS1), DTS-HD1), DTS:X11)
.3gp .3g2VideoH.264/AVC, MPEG-4
AudioAAC, AMR-NB, AMR-WB
.mkvVideoMPEG-2, MPEG-4, H.264/AVC, VP8, VP9, HEVC, AV1
AudioDolby Digital, Dolby Digital Plus, AAC, PCM, DTS1), DTS-HD1), DTS:X11), MPEG-1 LayerI, II, MPEG-1 Layer III (MP3)
.ts .trp .tp .mtsVideoH.264/AVC, MPEG-2, HEVC
AudioMPEG-1 Layer I, II, MPEG-1 Layer III (MP3), Dolby Digital, Dolby Digital Plus, AAC, PCM, DTS1), DTS-HD1), DTS:X11), Dolby AC-4
.mpg .mpeg .datVideoMPEG-1, MPEG-2
AudioMPEG-1 Layer I, II, MPEG-1 Layer III (MP3)
.vobVideoMPEG-1, MPEG-2
AudioDolby Digital, MPEG-1 Layer I, II, DVD-LPCM
1) Dolby AC-4, MPEG-H 3D Audio, DTS, DTS-HD, and DTS:X are available in specific models only.

Video playback constraints

  • The stream that contains Global Motion Compensation (GMC) or Quarter-pixel motion (Qpel) is not supported.
  • For Ultra HD models, which have 3840 × 2160px, 4096 × 2160px, the following codecs are supported.
    File ExtensionCodec
    .mkv .mp4 .tsVideoH.264/AVC, HEVC
    AudioDolby Digital, Dolby Digital Plus, AAC
  • For Windows Media Audio (WMA), version 7 or later is supported only. AAC Main profile is not supported.
  • Some videos encoded by encoder programs cannot be played. Some videos that are not specified above cannot be played normally.

Audio coding format

File ExtensionItemsDescription
.mp3Bit Rate32 Kbps - 320 Kbps
Sample Frequency16 kHz - 48 kHz
SupportMPEG1, MPEG2
ChannelsMono, Stereo
.wavBit Rate-
Sample Frequency8 kHz ~ 96 kHz
SupportPCM
ChannelsMono, Stereo
.oggBit Rate64 kbps - 320 kbps
Sample Frequency8 kHz ~ 48 kHz
SupportVorbis
ChannelsMono, Stereo
.wmaBit Rate128 kbps - 320 kbps
Sample Frequency8 kHz ~ 48 kHz
SupportWMA
Channelsup to 6 channels
.flacBit Rate-
Sample Frequency8 kHz ~ 96 kHz
SupportFLAC
Channels2 channels
The number of channels might vary depending on the sample frequency.

Image format

NameFile ExtensionSupported in webOS TVSupported in SimulatorSupported in Emulator
JPEG.jpg, .jpegYesYesYes
Graphics Interchange Format.gifYesYesYes
Portable Network Graphics.pngYesYesYes
Bitmap.bmpYesYesYes
WebP.webpYesYesYes

Subtitle format

NameFile ExtensionSupported in webOS TVSupported in SimulatorSupported in Emulator
WebVTT.vttYesYesYes
No Headings