StreamTest
BulkMonitorsHistory…
A

index

http://45.235.37.226/studiouniversalhd/index.m3u8

Online — 0 failing, 2 warnings

General

Status
Online
Type
HLS
Container
hls
Preview
5s clip

Video stream

Codec
h264
Profile
High
Level
31
Resolution
718×480
Aspect ratio
359:198
Frame rate
30 fps
Pixel format
yuv420p

Audio stream

Codec
aac
Profile
LC
Sample rate
48000 Hz
Channels
2
Layout
stereo
Bitrate
177 kbps
Language
eng

Manifest audit

Open the full HLS analyzer →

Works, with caveats

0 failing, 2 warnings, 10 passing

Playlist type
Master
Variants
1
Renditions
2
Bitrate range
4.92 Mbps – 4.92 Mbps
I-frame variants
0

Used for trick play

Version
—
  • Warn

    ABR ladder has multiple renditions

    Only one variant stream is declared, so players cannot adapt to changing bandwidth.

    variantCount
    1

    hls.ladder.sizeWhat this means →

  • Warn

    EXT-X-INDEPENDENT-SEGMENTS is declared

    EXT-X-INDEPENDENT-SEGMENTS is absent, so players must assume segments depend on each other and may seek and switch more conservatively.

    hls.master.independent-segmentsWhat this means →

  • Pass

    Ladder bitrates increase with resolution

    Bandwidth rises consistently with resolution across the ladder.

    hls.ladder.bitrate-inversionWhat this means →

  • Pass

    Ladder has no oversized bitrate gap

    Adjacent ladder rungs are within a comfortable bitrate ratio.

    hls.ladder.gapWhat this means →

  • Pass

    Every variant declares CODECS

    Every variant declares a CODECS attribute.

    hls.ladder.missing-codecsWhat this means →

  • Pass

    Every variant declares RESOLUTION

    Every variant declares a RESOLUTION attribute.

    hls.ladder.missing-resolutionWhat this means →

  • Pass

    No duplicate resolutions in the ladder

    Every ladder rung is distinguishable from the others.

    hls.ladder.duplicate-resolutionWhat this means →

  • Pass

    AVERAGE-BANDWIDTH does not exceed BANDWIDTH

    AVERAGE-BANDWIDTH is within BANDWIDTH on every variant.

    hls.ladder.average-exceeds-peakWhat this means →

  • Pass

    Variants declare FRAME-RATE

    Video variants declare FRAME-RATE.

    hls.ladder.missing-frame-rateWhat this means →

  • Pass

    Variant rendition groups all resolve

    Every rendition group referenced by a variant is declared.

    hls.renditions.dangling-groupWhat this means →

  • Pass

    Each rendition group has exactly one DEFAULT

    Each rendition group nominates exactly one default.

    hls.renditions.defaultWhat this means →

  • Pass

    Renditions declare LANGUAGE

    Audio and subtitle renditions declare a LANGUAGE.

    hls.renditions.languageWhat this means →