Lista de parametri, formate de fisiere video suportate si crearea de workflow-uri utilizand software-ul de control al calitatii QScan.
QScan este o aplicatie software ce utilizeaza algoritmi de procesare eficienti care stau la baza engine-ului Quales. Mai multe informatii aici
I. Lista de parametri. Parametrii de analiza sunt grupati in mai multe sectiuni:
| Format checks - Header | Format checks - Video | Format checks - Audio |
| Container format | Pixel Format | Audio Codec |
| File Size | Video Codec | Audio Bit Rate |
| Duration | Video Bit Rate | Number of Channels |
| Video Absence | Frame Rate | Sample Rate |
| Number of Audio Streams | Resolution | Audio Packet ID |
| Format Version | Coded Aspect Ratio | Audio Bit Depth |
| Format Profile | Display Aspect Ratio | Audio Bit Rate Mode |
| Start TC | Chroma Subsampling | Endianness |
| Timecode Present | Video Packet ID | Sign |
| Commercial Name | Video Bit Depth | Audio |
| Closed Caption | GOP Structure | Level |
| AS-11 | Format Profile and Level | Mute |
| Frame Statistics | Video Bit Rate Mode | No audio |
| Picture coding Type | Color Space | Clipping |
| Is Keyframe | Scan Type | Sample Clipping |
| Bytes per Frame | Bits Pixels Frame | True Peak |
| Stream Syntax Error | Active Format Descriptor | Max True Peak |
| Field Order | Dominating Frequency | |
| Color Primaries | Loudness | |
| Transfer Characteristics | Loudness M | |
| Matrix Coefficients | Loudness S | |
| AS-11 UK DPP Compliance | Loudness I | |
| IMF Packages Check | Loudness LRA | |
| Dolby Vision HDR | ||
| Generic MXF Metadata | ||
| HDR Format | ||
| HDR Max Light Level |
| Video Quality | Baseband/Waveform | Video Content |
| DigiBeta Error | Highest Luminance Level | Blackness |
| Digital Dropouts | Lowest Luminance Level | Freeze |
| Luminance Line Errors | Brightness | Blockiness |
| Chrominance Line Errors | Contrast | Blurriness |
| Picture Quality Score | Luma Footroom Violation | Interlacing Artifacts |
| Flash/Strobe | Luma Headroom Violation | Field Order |
| Dead pixel Detection | Chroma Headroom Violation | Temporal Complexity |
| Photosensitive Epilepsy (PSE) | Highest Chroma Level | Field Dominance Error |
| Noise Detection | Gamut Errors | Test Pattern |
| Video Blanking Detection | Constant Color Frame | |
| Letterbox and Pillarbox Detection | ||
II. Formate de fisiere video suportate
| Formate de editare neliniara |
Containere |
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| Codec-uri video | Codec-uri audio |
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III. Setarea parametrilor de analiza si utilizarea de template-uri
Se pot selecta manual parametrii de analiza dupa care se face analiza QC (Quality Control) sau se poate selecta un template sau o combinatie de template-uri predefinite.
De asemeni utilizatorul poate defini singur template-uri care sa contina parametrii doriti; pentru fiecare parametru in parte se pot stabili pragurile de analiza.
Exemple de template-uri standardizate: EBU R128, AS-11 UK DPP, Photosensitive epilepsy (PSE).
QScan foloseste analiza Single Pass care stocheaza parametrii de analiza intr-o baza de date. Este posibila astfel adaugarea de parametri sau modificarea pragurilor de analiza dupa etapa de scanare a fisierului, rezultatele actualizandu-se automat in rapoartele finale fara a fi necesara rescanarea fisierului.
IV. Crearea de workflow-uri si utilizarea de macro-uri
Se pot crea proiecte de analiza care sa utilizele parametri si grade de prioritate diferite.
In etapa de alcatuire a unui proiect se pot include macro-uri. Macro-ul contine o colectie de parametri si operatori logici care pot defini o anumita conditie care trebuie indeplinita de fisierul video analizat. In acest fel, dupa analiza, se poate efectua automat o anumita actiune (cum ar fi de exemplu mutarea fisierelor video neconforme in anumite foldere predefinite).
