Chon mua dau dia Bluray

Tags: DTS Master Audio, Dolby TrueHD, chat luong hinh anh, do net cao, thoi gian tai, su loi cuon, su chu y, Dia Blu-ray, am thanh, hien nay, ho tro, co the, Bo phim, mua, boi

Xu huong chung cua cac “tin do” phim anh hien nay la chi xem phim do net cao (HD) boi ngoai chat luong hinh anh ra, am thanh trung thuc la phan khong the thieu doi voi su loi cuon cua bo phim. Va the la nguoi ta lai don su chu y vao mot cong nghe mang ten Blu-ray.

Blu-ray la cong nghe cho phep xem cac bo phim do net cao tren cac loai man hinh TV LCD hoac Plasma. Mot chiec dia phim Blu-ray 2 lop co the luu duoc 50GB bo phim, gap gan 6 lan so voi chiec dia DVD 2 lop, va gap hon 10 lan so voi mot chiec dia DVD mot lop.

Cuoc chien dinh dang DVD the he moi da ket thuc vao nam 2007 voi phan thang nghieng ve Blu-ray da dua cong nghe nay len buc “vinh quang”. Hien nay, cac nha san xuat, xuong phim khong con cach nao khac la phai chon Blu-ray neu muon ra mat nhung san pham phim anh do net cao.

De phat duoc noi dung HD thi mot he thong Blu-ray nhat khoat phai co dau dia, thanhphan quan trong nhat quyet dinh toan bo chat luong hinh anh. Tuy nhien, viec chon duoc mot chiec dau dia Blu-ray ung y khong phai luc nao cung de dang boi co rat nhieu yeu to lien quan ma nguoi mua can biet toi.

* Chuan Profile:

Can chac rang dau dia Blu-ray cua ban ho tro chuan Profile moi nhat (hien dang la Profile 2.0). Neu dau dia chi ho tro chuan Profile 1.0 cu thi rat kho tan dung duoc nhung tinh nang moi ma nha san xuat dua ra,

* Cong HDMI:

Tat ca nhung dau dia Blu-ray moi du it tien hay dat tien deu duoc trang bi nhung chuan HDMI moi nhat. Phien ban HDMI 1.3 hien dang la moi nhat cho phep dieu khien cung luc TV va dau doc Blu-ray thong qua mot chiec dieu khien tu xa. Chuan nay con xu ly duoc do phan giai 1080p, va cac bo codec am thanh Dolby TrueHD va DTS Master Audio moi nhat. Dau dia Blu-ray cang co nhieu cong HDMI cang tot de phuc vu cho nhung nhu cau su dung phat sinh sau nay, nhung gia cung se rat khac so voi dau dia chi co mot cong HDMI.

* Giai ma am thanh tich hop

Hau het nhung loai dia phim Blu-ray hien nay deu duoc cac xuong phim xu ly voi am thanh vom 7.1, va 2 bo codec moi nhat la Blu-ray – Dolby va DTS. Tuy nhien, khong phai tat ca dau doc Blu-ray deu tuong thich voi ca 2 bo codec nay. Neu ban khong co cac bo ampli tuong thich moi nhat thi cung khong can lo lang boi hau het cac loai dau doc Blu-ray hien nay deu co the giai ma ca Dolby True HD va DTS Master Audio, roi chuyen doi chung thanh dinh dang tuong thich voi he thong phat video gia dinh. Hai chuan am thanh nay co doi chut su khac biet. Dolby TrueHD mang lai am thanh nhay hon va chi tiet hon, trong khi DTS Master Audio cho ra am thanh chac khoe hon.

* Ho tro cac bo ma hoa am thanh cao cap

De am thanh cua dia Blu-ray ma hoa bang Dolby TrueHD hoac DTS Master Audio khong bi suy giam, dau dia Blu-ray cua ban nhat thiet phai giai ma duoc chung va truyen tin hieu truc tiep toi ampli thong qua cap HDMI (phai la phien ban cap HDMI 1.3).

* Ket noi mang

Mot so dau dia Blu-ray co cong Ethernet va co the ket noi voi Internet nhung phai cap nhat phan mem co so (firmware) tu nha san xuat. Cac loai dau dia Blu-ray su dung Profile 2.0 (hay con goi la BD-Live) duoc ban ra tu cuoi nam ngoai co the su dung ket noi Ethernet de truy cap vao cua hang truc tuyen thong qua dia Blu-ray, va download noi dung xuong o cung 1GB tich hop san.

* Phat lai DVD-Audio/SACD

Dia DVD-Audio va Super Audio CD deu la nhung dia co do phan giai cao, co kha nang truyen tai tron ven am thanh (ke ca am thanh vom 5.1) ma khong lam mat mat tin hieu. Mac du khong phai la loai dia pho thong tren thi truong hien nay nhung DVD-Audio va Super Audio CD luon duoc nhung nguoi sanh nhac lung mua boi chat luong am thanh cua no qua hay. Rat it dau dia Blu-ray tuong thich voi loai dia nay, vay nen neu ban co nhung chiec dia do thi hay chac rang dau doc ho tro de co the tan huong het cai hay cua dia.

* Thoi gian tai dia

Nhung chiec dau dia Blu-ray thoi ky dau thuong phai mat tren duoi 1 phut moi tai xong dia. Con nhung loai dau dia moi hien nay thi nhanh hon nhieu, chua toi 10 giay. Tot hon het la ban thu ngay tai cua hang de kiem tra thoi gian tai dia. Nen chon nhung loai dau dia co thoi gian tai dia nhanh de ban do co cam giac sot ruot.

* Ho tro JAVA

Mot so dia Blu-ray hien nay thuong chua mot phan noi dung dac biet chang han game. Tuy nhien, dau dia Blu-ray phai ho tro JAVA thi moi co the doc duoc nhung noi dung nay. Chinh vi le do, khi mua dau dia Blu-ray, can phai chac rang no ho tro JAVA de cho nhung muc dich su dung sau nay. Ke tu phien ban Profile 1.1 tro di, tat ca cac loai dau dia Blu-ray deu da ho tro JAVA.

* Kha nang xu ly video HD

Su khac biet ve gia ca giua mot chiec dau dia Blu-ray 450USD va 1.500USD nam o chinh bo xu ly video cua chung. Do vay nhung chiec dau dia re hon thuong khong the cho ra chat luong hinh anh HD muot ma. Chi co nhung chiec dau dia dat tien moi co kha nang do. Tuy nhien, day cung la yeu to ma ban can can nhac boi gia ca giua cac loai dau dia nay chenh lech nhau qua lon.

* Nang cap DVD len Blu-ray

Hau het cac loai dau dia Blu-ray hien nay tren thi truong deu choi duoc dia DVD. Su tuong thich nguoc nay rat dang khen ngoi boi co mot so loai dau dia Blu-ray cao cap co the nang cap tin hieu DVD thanh HD (720p/1080i hoac 1080p), tuong duong voi chat luong cua nhung bo phim Blu-ray thuc thu.


(Theo Tap chi Suc manh so)

Viet Bao

Tìm hiểu: DTS Master Audio, Dolby TrueHD, chat luong hinh anh, do net cao, thoi gian tai, su loi cuon, su chu y, Dia Blu-ray, am thanh, hien nay, ho tro, co the, Bo phim, mua, boi

Xem Bản Tiếng Việt Có Dấu: Chọn mua đầu đĩa Blu-ray

Ban co the doc ban tieng Viet co dau cua bai viet Chọn mua đầu đĩa Blu-ray bang cach nhan chuot vao duong dan tren.

Lien he ve tin Chon mua dau dia Bluray

Nhan xet, hay lien he ve tin Chon mua dau dia Bluray co the gui bang duong dan o duoi. Ban nen gui kem tieu de bai viet Chon mua dau dia Bluray de lam tham khao. Bai viet nay thuoc chuyen de Kinh nghiem trong chuyen muc Cong nghe.

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