mean+opinion
21Video quality — is a characteristic of a video passed through a video transmission/processing system, a formal or informal measure of perceived video degradation (typically, compared to the original video). Video processing systems may introduce some amounts of… …
22Subjective video quality — is a subjective characteristic of video quality. It is concerned with how video is perceived by a viewer and designates his or her opinion on a particular video sequence. Subjective video quality tests are quite expensive in terms of time… …
23IVONA — Infobox Software name = IVONA caption = IVONA visualisation developer = [http://www.ivosoftware.com IVO Software] released = 2005 frequently updated = yes programming language = C/C++ operating system = Cross platform language = English / Polish… …
24MOS-Wert — Der Mean Opinion Score (MOS) ist das arithmetische Mittel von einzelnen Bewertungen und kann in einem Bereich von 1 (schlechtester Wert) bis 5 (bester Wert) liegen. In der Telekommunikation wird der MOS Wert vorwiegend zur Beurteilung der… …
25Comparison of video codecs — A video codec is software or a device that provides encoding and decoding which may or may not include the use of video compression and/or decompression for digital video. The compression may employ lossy data compression, so quality measurement… …
26Calidad de experiencia — Saltar a navegación, búsqueda La calidad de experiencia (QoE, Quality of Experience) se define[1] como la aceptabilidad global de una aplicación o servicio, tal y como se percibe subjetivamente por el usuario final. Incluye la totalidad de… …
27Quality of service — In the field of computer networking and other packet switched telecommunication networks, the traffic engineering term quality of service (QoS) refers to resource reservation control mechanisms rather than the achieved service quality. Quality of …
28G.723.1 — is an audio codec for voice that compresses voice audio in 30 ms frames. An algorithmic look ahead of 7.5 ms duration means that total algorithmic delay is 37.5 ms.Note that this is a completely different codec from G.723.There are two bit rates… …
29G.711 — is an ITU T standard for audio companding. It is primarily used in telephony. The standard was released for usage in 1972.G.711 represents logarithmic pulse code modulation (PCM) samples for signals of voice frequencies, sampled at the rate of… …
30Adaptive multi-rate compression — Infobox file format name = Adaptive Multi Rate Narrow Band (AMR NB) icon = logo = caption = extension = .amr mime = audio/amr type code = uniform type = magic = owner = genre = Audio container for = contained by = extended from = extended to =… …
