The table below shows the features of our main products for video quality measurement and monitoring.
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Typical applications | |||||||
Bench­marking of video encoders (before purchase) |
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Optimi­zation of video encoding parameters (for video encoders which are already purchased) |
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Monitoring of video encoders |
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Monitoring of IP streaming |
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Monitoring of file based encoding (like encoding for VOD or OTT) |
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Measure­ment of synchro­nization between audio and video (lipsync) |
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Monitoring of Set-Top Box (STB) output |
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Control of Set-Top Box (STB) by infra-red or network |
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Loudness measure­ment and monitoring |
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Bench­marking of video cameras (based on noise measure­ment) |
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Video quality metrics | |||||||
Full-refe­rence metric for HEVC (H.265) |
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Full-refe­rence metric for H.264 (MPEG-4/AVC) |
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Full-refe­rence metric for MPEG-2 |
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No-refe­rence metric for HEVC (H.265) |
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No-refe­rence metric for H.264 (MPEG-4/AVC) |
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No-refe­rence metric for MPEG-2 |
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Reduced refe­rence metric for HEVC (H.265) |
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Reduced refe­rence metric for H.264 (MPEG-4/AVC) |
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Reduced refe­rence metric for MPEG-2 |
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Parametric metric for H.264 (MPEG-4/AVC) |
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Parametric metric for MPEG-2 |
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Hybrid metric for H.264 (MPEG-4/AVC) |
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Hybrid metric for MPEG-2 |
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Audio / video synchro­nization (lipsync) metric, for any codec |
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Video camera noise metric |
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Bloom metric |
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Video decod­ability |
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VMAF |
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MSE / PSNR / PSNR+ |
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PSNR-HVS, PSNR-HVS-M, SSIM, VIF, MS-SSIM |
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Audio quality metrics | |||||||
Full refe­rence metric (for any codec) |
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No refe­rence metric (for any codec) |
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Loudness (according to recommen­dations ITU BS.1770 and EBU R 128) |
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Audio decod­ability |
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Supported inputs | |||||||
File |
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UDP streaming |
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RTP streaming |
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RTSP streaming |
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RTMP streaming |
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HTTP and HTTPS streaming |
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HTTP Live Streaming (HLS) |
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MPEG-DASH streaming |
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NDI® streaming |
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Capture card / capture device |
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Desktop capture |
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Measurements | |||||||
MOS |
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DMOS |
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Skew (offset between audio and video, in milli­seconds) |
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Audio and video signals/files presence/loss |
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Image distortions (blockiness, blur, contrast loss, flatness, noise) |
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Jerkiness (image freezing) |
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Separate values for encoding quality and trans­mission quality |
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Outputs | |||||||
Measure­ment reports (CSV, TXT, HTML) |
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Monitoring reports between two user-chosen dates and times |
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Characte­ristic images |
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Characte­ristic videos (from several seconds before the problem, until several seconds after the problem) |
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Alerts by email |
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Alerts by SNMP |
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Supported video codecs | |||||||
HEVC |
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H.264 (MPEG-4/AVC) |
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MPEG-2 |
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VP3, VP5, VP6, VP8 |
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WMV7, WMV8, WMV9 (VC-1) |
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Motion JPEG |
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Uncomp­ressed YUV (4:2:0 packed, 4:2:2 planar, 4:2:2 packed, 4:4:4 planar) or uncomp­ressed RGB |
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Virtually any other video codec |
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Supported audio codecs | |||||||
MP3 |
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AAC |
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Uncomp­ressed (PCM) |
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Virtually any other audio codec |
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Containers | |||||||
TS (Trans­port Streams) |
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PS (Program Streams) |
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AVI |
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MP4 |
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MOV |
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MXF |
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FLV |
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WebM |
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Raw YUV |
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Virtually any other container |
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Get more info­rmation |