HD will be available on Freesat and Sky from Thursday June 7 - just in time for Wales' opening match against Slovakia on June 11.
Mr Vaizey said there was the need for a "proper, independent look at S4C
" but he added: "[That] I have to stress is an opportunity for S4C
yn gwe-ddarlledu'r perfformiad cyntaf yn fyw o 7.
has launched a campaign to raise awareness of digital switchover and to advise viewers what they need to do.
The daily coverage kicks-off every morning at 10am on S4C
Digital with Alwyn Humphreys providing the commentary.
Wales Office minister Alun Cairns ruled out the devolution of responsibility for S4C
to the Assembly.
A beth bynnag fydd tynged Cymru yn ystod y gystadleuaeth, bydd S4C
yn darlledu'n fyw un gem o rownd yr wyth olaf, un gem o'r rownd gynderfynol, y gem efydd a'r ffeinal.
Sion a Sin (S4C
, 9pm) Stifyn Parri a Heledd Cynwal (isod) sy'n darganfod pa mor dda mae cyplau yn adnabod ei gilydd ar S4C
heno yn y rhaglen boblogaidd Sion a Sin.
The agreement coincides with the news that S4C
has secured live and exclusive coverage of the forthcoming Cyprus v Wales Euro 2008 qualifier.
chief executive Ian Jones, left, said that the Welsh-language broadcaster had already lost more than a third of its funding and that its future depended on being able to negotiate a settlement.
Ac fe fydd S4C
yn darlledu'r gem rhwng Cymru a Lloegr yn fyw heno (cic gyntaf, 7.
The alliance was created between the broadcast union Bectu, the Writer's Guild, and Cymdeithas yr Iaith Gymraeg after their joint battle against funding cuts at S4C