Khong duoc nghe dia moi cua Michael Jackson bang CDROM

Sony da su dung bien phap chong sao chep tren dia CD nhac “Rock Your World”. Cong nghe nay khien cho cac o CD-ROM tren may vi tinh tro nen vo dung, chi co nhung he thong am thanh stereo moi su dung duoc.

Quyet dinh thay doi dinh dang tieu chuan dia CD cua Sony bi cac nha hoat dong vi quyen tu do ky thuat so cho la “len lut”. Viec sua doi dinh dang nay sinh nguy co pha vo cac tieu chuan thuong mai boi khong co loi canh bao nao trong san pham dong goi.

Bien phap chong sao chep nham ngan chan moi nguoi chuyen doi cac bai hat sang dang MP3 hoac sao chung sang CD-R. Nguoi ta cho rang Sony da su dung mot dang cua cong nghe SafeAudio cua Macrovision, khien cho cac tin hieu am thanh tren CD bi dut gay. Nhung loi nay khien cho CD-ROM khong nhan dang duoc dia, nhung trong mot so truong hop, loi xay ra nghiem trong den muc kha nang su dung va chat luong am thanh cua CD bi hu hai.

Nhom hoat dong vi quyen loi ky thuat so cua Anh lap luan rang Sony khong quan tam ve nhung anh huong ma cong nghe chong sao chep gay ra doi voi chat luong dia nhac cua Michael Jackson, dac biet la khi khach hang khong he duoc thong bao.

Van Binh (theo ZDNet)