Alpine DVA-9861Ri User Manual Page 32

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Òåðìèíîëîãèÿ
Áèòðåéò (Bit rate)
Ïðåäñòàâëÿåò ñîáîé ñêîðîñòü ïåðåäà÷è çâóêîâûõ äàííûõ ïðè êîäèðîâàíèè. ×åì
âûøå áèòðåéò, òåì âûøå êà÷åñòâî çâóêà, íî âìåñòå ñ òåì óâåëè÷èâàåòñÿ îáúåì
ôàéëîâ.
×àñòîòà äèñêðåòèçàöèè (Sampling rate)
Äàííàÿ âåëè÷èíà ïîêàçûâàåò, êàêîå êîëè÷åñòâî ðàç â ñåêóíäó ïîòîê äàííûõ
ñýìïëèðóåòñÿ (çàïèñûâàåòñÿ). Ê ïðèìåðó, ìóçûêàëüíûå CD èñïîëüçóþò ÷àñòîòó
äèñêðåòèçàöèè 44,1 êÃö, ïîýòîìó óðîâåíü çâóêà ñýìïëèðóåòñÿ (çàïèñûâàåòñÿ)
44.100 ðàç â ñåêóíäó. ×åì âûøå ÷àñòîòà äèñêðåòèçàöèè, òåì âûøå êà÷åñòâî
çâóêà, íî âìåñòå ñ òåì óâåëè÷èâàåòñÿ îáúåì äàííûõ.
Êîäèðîâàíèå
Ïðåäñòàâëÿåò ñîáîé êîíâåðòàöèþ ìóçûêàëüíûõ CD, ôàéëîâ ôîðìàòà WAVE (AIFF)
è äðóãèõ çâóêîâûõ ôàéëîâ â îïðåäåëåííûé ôîðìàò àóäèî ñæàòèÿ.
Òýã (Tag)
Èíôîðìàöèÿ î ìóçûêàëüíîì ïðîèçâåäåíèè, íàïðèìåð, íàçâàíèè çâóêîâîé äîðîæêè,
èìåíè èñïîëíèòåëÿ, íàçâàíèè àëüáîìà è ò.ï., çàïèñàííàÿ â ôàéëå ôîðìàòà ÌÐ3/
WMA.
MP3: ID3-òýãè
WMA: WMA-òýãè
Êîðíåâîé êàòàëîã
Êîðíåâîé êàòàëîã, ðàñïîëîæåííûé â âåðõíåé ÷àñòè èåðàðõè÷åñêîé ôàéëîâîé
ñòðóêòóðû, âêëþ÷àåò â ñåáÿ âñå ïàïêè è ôàéëû, çàïèñàííûå íà äèñêå.
Êîðíåâîé
êàòàëîã
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Ïàïêà ÌÐ3/WMA ôàéë
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