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Re: [NOVICE] Afspilning af ogg-filer - frekvensændring ?



Svend Runge Nielsen wrote:
Jeg har lige installeret linux (Fedora core 1) på mit nye system.
Det hele ser ud til at virke perfekt, dog lyder mine ogg-filer lidt
"underlige". De bliver simpelthen afspillet en lille smule for hurtigt,
hvilket har den effekt, at lyden stiger en smule i frekvens.

Hvor meget er "en smule"? Hvor mange sekunder er et nummer f.eks. kortere?


Lydkort klarer sjældent præcist 44100, heller ikke professionelt udstyr (her kan man bruge noget der hedder "world clock" til at synkronisere flere kort, når det er nødvendigt). Det er normalt at et lydkort ligger indenfor +- 10 Hz, men flere hundrede hertz' afvigelse kan forekomme på de helt billige.

De fleste programmer antager at kortet klarer præcist den rate de beder om, hvilket resulterer i lidt for hurtig eller langsom afspilning.

Det kan også være at dit tidligere system var det der spillede forkert?

Jeg bruger et on-board lydkort (AC97)

Hvilket som regel er noget af det dårligste man kan komme i nærheden af :-/ Hvis det viser sig det indbyggede er skyld i problemet, kan du overveje at smide et billigt Audigy i, hvilket er et imponerende kort til prisen.


Afspiller er noatun (KDE)

Har du prøvet andre programmer på samme maskine, helst med flere forskellige API'er?



Carsten Sørensen




 
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