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Thread: D.A.B......rocks

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    HEXUS.timelord. Zak33's Avatar
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    D.A.B......rocks

    Well...its a long story, but it starts when Vauxhall, in their great wisdom, decided to sell the new Astra with an option of a DAB radio.

    Typical UK...no one brought it as an option...hence Vauxhall had a few in the warehouse.

    So...they put one into an Astra SXi, renamed it an Astra Digital, and sent one to every Vauxhall dealer...me included.

    It's worked on me, cos now I've had one for a few days....

    I A M H O O K E D

    Its a complex thing tho...not for the 5 minute learning curve. But as I have NO KNOWLEDGE of the official wordings or tech speak, it MIGHT tempt some of you to go get a DAB.

    I dont mean one in your car...I mean one anywhere The car story is just cos its how I got hooked.

    Right. You still have AM and FM. Then the option screen goves you DAB too. If you select it, the radio spools up a list of what seem to be called "Ensembles" Effectively....and its a guess, each radio station has to decide which ensemble is gonna broadcast their stuff. It;s like choosing a tariff for your mobile phone.

    So it showed up BBC National as one of them. When I chose that, I got all the stuff you'd expect....Radio 1, 2, 3, 4, etc.

    Next "ensemble" or "band" or whatever the thing is called, was Digital 1 and had stuff like Talk Sport, Classic FM, Planet Rock ....and a weird one called D1 Temp (more later)

    As I drove this car around I grabbed other "networks" or "ensembles" or whatever thay are called......READING....lots for LONDON (some contained Kiss, Heart, Capital Gold etc)

    I can program 9 of my favourites from ANY ensemble to the 9 button on my unit. When I then select those, it switches "ensembles" first and then grabs the station...it can take a few seconds, so BE PATIENT. Sometimes it shows the frequency "code" (once again dunno the terminology, but its looks like Hexidecimal) as a letter and number, or two letters before finding the radio station.

    So far so good...but REMEMBER I DO NOT KNOW THE CORRECT WORDS FOR THE STUFF I'M EXPLAINING>>>>>just what I see on the screen. Its the basics.

    Once on a radio station, I can grab the Info for that station. Most stations give their web site and some their phone number, and very cooly, Planet Rock gives the DJ and the track playing and the next track that's lined up

    and the quality?

    It really IS superb. OK...loose the signal and you're stuffed...but it holds the signal pretty well, and then just suddenly goes "squelchy" and goes. Thats life. You move...you loose signal and gain a new one. But it does seem to remember the ones its had before...so I am quite "populated" now!

    On to the stations.....they have control over lots of new space...lots of bandwidth, or airtime. How much?

    Well enough that one station plays total silence so you can test just HOW quiet digital silence is

    and one....my personal favourite...is called D! Temp.

    Its on the digital 1 "waveband" or "ensemble" or "network" and it plays the sounds of birds singing, the wind blowing, animals scuffling around and the odd dog barking.....24 hours a day....7 days a week.

    It is just plain wierd!!

    DAB...dont hesitate. If you think Freeview is good.....this is better

    Quote Originally Posted by Advice Trinity by Knoxville
    "The second you aren't paying attention to the tool you're using, it will take your fingers from you. It does not know sympathy." |
    "If you don't gaffer it, it will gaffer you" | "Belt and braces"

  2. #2
    Now with added sobriety Rave's Avatar
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    The 'ensembles' are just multiplexes, same as digital TV. There's a set amount of bandwidth in each, and it's split up between stations. The more stations in a multiplex, the lower the bitrate for each. Unfortunately Britain has loads of stations but low bitrates in general.

    I've been meaning to get DAB for a while actually, but I want a unit with a digital output, and the cheapy ones don't have them.

    Rich :¬)

  3. #3
    Spodes Henchman unrealrocks's Avatar
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    Yeah - The national stations are generally good (Radio3 is great for testing the quality ) although things like 1XTRA are pritty digitalised.

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    Drop it like it's hot Howard's Avatar
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    I've always wondered if DAB is equal to, less than or greater than the quality of those stations broadcast on digital TV networks like Sky, Cable or Freeview?
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    Beard hat ftw! steve threlfall's Avatar
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    Quote Originally Posted by Howard
    I've always wondered if DAB is equal to, less than or greater than the quality of those stations broadcast on digital TV networks like Sky, Cable or Freeview?
    It depends on what kbps the station is outputting and what area of the country your in.

  6. #6
    DsW
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    Quote Originally Posted by Howard
    I've always wondered if DAB is equal to, less than or greater than the quality of those stations broadcast on digital TV networks like Sky, Cable or Freeview?
    Well wonder no more... http://www.digitalradiotech.co.uk/ (summary table at the bottom with more uptodate info at the top)

    Basically Freeview and Satellite rates are much higher at the moment.

    cheers,
    dave

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    Yeah, Freeview and Satellite have much higher bitrates. DAB operates in Band III (from memory), and the government will hopefully be cleaning up their operations in Band III, so we can expect to be able to use another Multiplex in the future. I'd expect the BBC will apply for one, hopefully lightening the load on Mux A, and increasing the bitrates across the board. There's also talk of clever MPEG traffic stuff.

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    F.A.S.T. Butuz's Avatar
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    Dab sucks. Sorry but it does.

    If i wanted to listen to tape quality music, i would listen to tapes. But i don't, i want to listen to CD quality music, this isnt the 1980's you know. Ok, i know radio 1 and radio4 and a few other big stations have higher qulaity streams 128k+ - but still, that isnt anywhere near CD quality.

    As if the quality wasnt enough, the reception round here in south wales is crap, fine if your in london maybe, but i aint.

    I won't be buying DAB for the forseeable future - it just doesnt offer anything more than analogue (infact it offers much less) apart from some fancy digi display telling me the DJ thats on, like i care what his name is? Just play that funky music!

    Butuz

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    Administrator Moby-Dick's Avatar
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    I get track info over RDS on my Head unit anyways
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    iMc
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    Reception in Derby aint great either. Well not from our house anyway. The idea of DAB is great, and it is easier to use imo, but I will wait until coverage has improved then it will be worth it. Right now I couldnt recommend simply from what I've experianced.
    HEXUS|iMc

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    HEXUS.timelord. Zak33's Avatar
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    weeelll....I have found it gets better by the day

    Talk Sport.....superb. Bearing in mind its on Medium Flavour otherwise...now I have it 100% , un effected by pylons of telegraph pole lines (which MW is badly effected by)

    Next up is Planet Rock. Fan-bleedin-tastic.

    Next up is Radio 4 not switching between RDS signals halfway to work

    Next up is a lot less bass-boomy-compression on Capital radio (ie the if I swap between Classic Radio and Capital Radio, the bass speakers get the same strength of signal, not a huge kick up the arse and a deathcrack )

    Me...I like DAB. A lot

    Quote Originally Posted by Advice Trinity by Knoxville
    "The second you aren't paying attention to the tool you're using, it will take your fingers from you. It does not know sympathy." |
    "If you don't gaffer it, it will gaffer you" | "Belt and braces"

  12. #12
    Yes, for my sins I'm offically Zak33's *better* half... Sair33's Avatar
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    Yay! It's ace. I drove it today and was far more impressed than I expected. The sound is fantastic, clear and sharp, and the selection of stations is so refreshing after the usual bunch.
    ....and Planet Rock is superb


    I've had a lot of sobering thoughts in my time.... It was them that started me drinking.

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    HEXUS.timelord. Zak33's Avatar
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    TROUBLE IS these boys in 'ere want the ultra clean, crisp-ness off serious bandwidth whcih aint happnin (yet)

    Quote Originally Posted by Advice Trinity by Knoxville
    "The second you aren't paying attention to the tool you're using, it will take your fingers from you. It does not know sympathy." |
    "If you don't gaffer it, it will gaffer you" | "Belt and braces"

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