[mythtv-users] Two odd issues with NBC DTV recordings
Tom Dexter
digitalaudiorock at gmail.com
Mon Oct 6 14:44:32 UTC 2008
On Fri, Oct 3, 2008 at 7:59 AM, Tom Dexter <digitalaudiorock at gmail.com> wrote:
> On Thu, Oct 2, 2008 at 7:25 PM, Yeechang Lee <ylee at pobox.com> wrote:
>>
>> A couple of other points for those mulling over the issue:
>>
>> * Tom is in NYC, and I am in San Francisco. These are two of the metro
>> areas that recently gained a new SD multiplexed OTA channel,
>> Universal Sports. As a result, my NBC affiliate decreased its
>> bitrate for HD broadcasts so that formerly ~7.5GB/hour recordings
>> are now ~5.5GB/hour.
>
> Until reading this I hadn't noticed that but yes...by newer NBC
> recordings are about 5.5GB/hour.
>
>>
>> * Also, NBC recordings that came in as ~51 minutes per hour
>> (<URL:http://www.gossamer-threads.com/lists/mythtv/users/227272#227272>)
>> in the OSD over the past two years now again appear as an hour. I
>> suspect, but can't be sure, that the change occurred along with the
>> bitrate change. (The ~51-minute issue only affected prime-time
>> shows, not the videotaped late-night talk shows.)
>>
>
> That's not what I'm seeing here. Even with the bitrate change I still
> get one hour shows displaying as 52-53 minutes in the OSD as I was
> before. I don't remember for sure, but I'm not certain this is true
> of all NBC shows. It is for comedies and dramas. Those are the ones
> where they tend to mix different frame rates for commercials etc.
> They may not do that on stuff like SNL for example...I have no other
> saved recordings right now to check.
>
<snip>
>
> Tom
>
Just a note for anyone interested. I recorded SNL this weekend, and
unlike the NBC dramas or comedies which display about 51-53
minutes/hour in the OSD, SNL displays with the correct length (just
under 1:30). I'm guessing that for SNL/sports etc they're not mixing
frame rates.
Tom
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