[nfb-talk] Fw: DVS accessibility

[ckrugman at sbcglobal.net]

What is the Blind-L list?
Chuck
----- Original Message ----- 
From: "qubit" <lauraeaves at yahoo.com>
To: <nfb-talk at nfbnet.org>
Sent: Thursday, April 29, 2010 6:00 PM
Subject: [nfb-talk] Fw: DVS accessibility


> Here's some info from the blind-l list for anyone interested.
> I was thinking there should be a way to make the DVS broadcast less ad hoc
> and more prevalent.
> --le
>
> ----- Original Message ----- 
> From: "qubit" <lauraeaves at YAHOO.COM>
> To: <BLIND-L at LISTSERV.UARK.EDU>
> Sent: Thursday, April 29, 2010 7:54 PM
> Subject: Re: DVS accessibility
>
>
> Hi Larry --
> Thanks for the retrospective.  If you don't mind I want to forward it to 
> the
> nfb-talk list.
> As for SAP on cable and satellite, since nowadays they provide things like
> movies on demand and pay-per-view, it is possible in theory to get the DVS
> track played when they broadcast.  On the regular network programming, you
> have those blasted on screen menus to bring up SAP -- and of course it is
> never at the top of a menu but 4 items down.
> Also, they have to be broadcasting DVS on that channel for the SAP to 
> access
> it.  (Obvious, but on the movies-on-demand you can tailor your viewing any
> way you want.)
> Happy listening all.
> --le
>
> ----- Original Message ----- 
> From: "Hart Larry" <chime at HUBERT-HUMPHREY.COM>
> To: <BLIND-L at LISTSERV.UARK.EDU>
> Sent: Thursday, April 29, 2010 7:23 PM
> Subject: Re: DVS accessibility
>
>
> OK, an extremely interesting topic.  Replying with comments for Karen, 
> Gene,
> and Laura.
> First some background.  Around 1984 when Stereo TV became available, there
> was
> only 1 SAP channel per station-and-it was only 10KHZ audio-and-only mono.
> Around late 1986 Cable companies began installing stereo modulators at
> around
> $8000
> In 1996 I got Direct-TV-and-certainly enjoyed having easy access to SAP. 
> It
> was 1 button on the remote which like earlier TVs would toggle among
> main-and-SAP.  In the case of Bloomberg TV, they offered an audio service
> with
> news on the hour, but also their 1130 AM station in NYC.  So they had 2
> SAPS.
> Several years later I switched to Dish Network--and yes its more 
> complicated
> to
> switch to SAP, as its not on the fly, per channel, all channels are
> switched.
> There are maybe 5 or 6 languages.  For awhile I left the receiver in that
> mode,
> but at that time I had an ABC station in Atlanta, with no audio much of 
> the
> time on its SAP on Dish.
> Over the years manufacturers made it much harder to access SAP, as many
> folks
> would not know how to get back to regular audio.  In some cases such as
> Washington DC and San Diego, the NBC station was running NOAA weather 
> Radio,
> eventually specialized uses quieted down because of that type of 
> confusion.
> Now in today's envirenment depending on an amount of picture quality and
> bandwidth, an HDTV station can run around 8 multicast channels, such as 
> our
> KSCI channel 18.  If they want to, each of them can have a SAP.  Here in 
> the
> LA
> area, yes, when KLCS 58 is running DVS, the SAP is stereo split among
> discription-and-main audio.
> Here there are some children's programming, as well as prime time with
> either
> Spanish or DVS.  I sure wish some of our Spanish stations would translate
> News
> in English.
> Hope that explains alot of things
> Hart
>
>
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