Lam ca si tren CD tu che

Anh: Uga.

Khi muon ghi lai "giong oanh vang" cua minh len dia, muon CD trinh dien cac bai hat nhu nhung an pham chuyen nghiep..., ban co the thuc hien y dinh mot cach de dang. "Do nghe" can dung la chiec may tinh co micro, dau ghi va mot so phan mem chuyen dung.

Do la:

- Chuong trinh choi nhac nhu HeroPlayer3000 (tai tai day), Windows Media Player...
- Phan mem bien tap am thanh nhu Digital Audio Editor (DAE - tai tai day).
- Chuong trinh ghi dia nhu Nero Express (tai tai day).

Buoc 1. Thu am

Ban co the dung DAE de thu am. Cong doan nay se thuc hien theo trinh tu thu nhac nen rieng va giong hat rieng, giup viec bien tap duoc de dang. Tat nhien, khi ban co tai nang vua dem nhac vua ngan nga giong hat thi chi can thu mot lan.

- Thu am nhac nen

Vao menu Play/Record. Trong hop thoai xuat hien, chon Wave trong muc Line-in. Dung chuong trinh HeroPlayer mo bai nhac karaoke, chon Audio, chon Left Mono hoac Right Mono. Ban nghe xem kenh nao chi chua phan nhac nen va mo lai bai hat bang kenh do.

Tro lai DAE, nhap chuot vao Record. Mot hop thoai hien ra cho ban chinh thong so chat luong ghi am. Ban nen de nhu mac dinh va chon OK. Luc nay, DAE thu lai nhung am thanh phat ra. Do do, khong nen thuc hien bat ky thao tac nao cho den khi bai nhac ket thuc de tranh tap am khong can thiet. Khi nhac nen ket thuc, chon Pause > Keep.

Vao menu File > Save. Dat ten "nhac-nen" va chon dang file ma ban muon (nen chon WAV de co chat luong am thanh cao nhat).

- Thu am giong hat

Cam microphone vao cong thu am tren card sound va thu noi xem co tieng ban phat ra loa chua.

Neu chua, nhan chuot vao Start > Control Pannel > Sounds and Audio Devices > Volume > Advanced. Bo chon muc Mute cua Microphone.

Mo DAE, vao File > New. Tiep tuc vao Play > Record. Trong bang thoai vua xuat hien, trong muc Line-in, chon Microphone.

Dung HeroPlayerr mo lai bai nhac luc truoc, thuc hien tuong tu nhu viec thu am nhac nen. Luc nay, DAE chi thu am thanh tu microphone. Khi "trinh dien" xong, luu lai file voi ten "giong_hat".

Buoc 2: Bien tap bai hat da thu

Tro lai DAE, vao File > Open, mo file giong_hat vua luu. Vao menu Play > Play de nghe thu xem co vua y chua. Neu thay tieng qua nho hoac qua to, ban vao Effect > Amplitude > Amplify. Keo thanh truot sang phai de tang am luong hay sang trai de giam.

Trong qua trinh hat, ban co the thay tieng "lay hoi". Khac phuc hien tuong nay bang cach vao menu Noise Reduction > Voice Breath Noise Reduction.

Sau khi da vua y, luu lai bang cach vao File > Save.

Mo file nhac_nen va lam tuong tu. Sau khi vua y, luu lai cac thay doi.

Cong viec tiep theo la tron (mix) nhac nen voi giong hat. Khi dang mo file nhac_nen, vao menu Edit > Selection Tool. Bang Set Selection hen ra, trong muc Preset, chon All Sample Data, nhan OK. Vao menu Edit > Mix from file va chon tap tin giong_hat.

Trong bang Mix vua xuat hien co chua 2 thanh chinh am luong. Thanh Selected part dung de chinh am luong nhac_nen. Thanh Audio in the buffer dung de chinh am luong giong_hat. Thuong thi ban co the cho do lon cua am thanh trong giong_hat la 55%, nhac_nen la 50%.

Sau khi ban chon OK, chuong trinh se tron 2 file lai voi nhau thanh mot tap tin duy nhat, gom phan nhac va phan loi hat cua ban. Khi nghe cac bai nhac, ban thay luc moi bat dau am luong nho roi tu tu to dan, va den het bai thi nho dan.

De lam cho tieng lon dan len, vao Edit > Selection Tool. Trong muc Start cho gia tri la 0 va trong muc End nhap vao thoi diem ban muon am thanh tro lai binh thuong (tinh theo giay). Co the thuc hien viec chon nhanh bang cach dua tro chuot vao duong ranh gioi giua 2 bieu do kenh va re chuot de chon.

Sau khi chon duoc doan nhu y, vao menu Effect > Amplitude > Fade > Fade In de lam tang dan am luong. Chon doan cuoi cung cua file, dung Fade Out de giam dan am luong. Nghe lai ban nhac da tron va luu khi da vua y voi ten tac_pham.

Buoc 3: Ghi ra dia

Cho dia CD trang vao o ghi va dung Nero Express de "burn" bang cach vao Start > All Programs > Nero > Nero StartSmart > Favourites > Make Audio CD.

Nhan chuot vao Add de dua file tac_pham vao danh sach ghi dia. Vach mau xanh ben duoi the hien thoi luong dia da su dung. Doi voi dia CD, khong nen ghi qua 70 phut de tranh truong hop tran du lieu se lam hong dia. Khi da chon xong danh sach, chon Next > Burn.

(Theo The gioi @)