Pay TV channel shortens the conversion time … Video quality down

[서울=뉴스핌] Kim Young-seop, a reporter, said that the time required to switch to pay TV channels such as IPTV had been shortened. The image quality was slightly lower than in the past and user satisfaction was slightly lower.

The Ministry of Science and Technology, the Ministry of Information and Communication and the Korean Agency for Information Science and Technology (KISA) conducted an experimental evaluation of the Pay TV service for 3 IP TVs, 5 cable TV channels, 1 satellite and 8VSB cable TV channels said

The evaluation was conducted by recruiting 381 evaluation groups for the country's pay-TV users without regional clbadification. The satisfaction survey counted 1,100 participants.

According to the results of the evaluation, the channel conversion time was on average 1.53 seconds, 0.51 seconds less than the 2011 badessment result (2.04 seconds).

As a result of the evaluation conducted by the user evaluation team, the "perceived image quality" was 4.09 points on a 5-point scale and was "good" ", But it decreased by 0.61 point compared to the 2011 result (4.7 points).

"VOD start time" is the time elapsed between the purchase of the VOD and the first screen, averaging 24.26 seconds, or about double that of the 2011 result (12.83 seconds). This is due to the increase in the number of advertisements.

The volume level of each channel is measured by the LKFS unit. The volume of each channel is -24.19 LKFS and the volume difference of each channel is 1.47 dB. ± 2dB). LKFS (Loudness, weighted in K, relative to full scale) is a standard unit of loudness value calculated taking into account the relative size of a person.

"Content diversity" is a survey of the number of content provided by operators, with an average number of real-time channels of 245 (269 IPTV, 236 cable channels and 216 satellites) and an average of 181,768 VOD ( IPTV 19). 3453 for cable television, 197593 for cable television and 67,588 for satellite broadcasting).

The user evaluation team measured user satisfaction at all stages of the pay television service, including subscription, installation, usage, after-sales service, product modification and termination. . The satisfaction score was 58.5 points (out of 100 points). Respectively.

According to the Ministry of Information and Communication, an official from the Ministry of Information and Communication said: "Based on the results of the pilot evaluation, we plan to complete the # 39; evaluation index and measurement method next year and extend the purpose of evaluation to all fee-paying broadcasters.I will create it. "

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