Ghọta eziokwu banyere CD Audio na ụdị ọkwa diski
Ọ bụ ezie na CD ndị e debere tupu ha ejiri ihe dị egwu nke egwu egwu dijitalụ na nbudata , ọ bụ CD nke malitere mgbanwe egwu dijitalụ. Ọtụtụ ndị ka na-egwu CD ma na-azụta ma na-egwu ha mgbe nile. Nke a bụ ihe dị mkpa ka ị mara banyere CD CD, na usoro ndị nwere nkwakọ ngwaahịa.
Ụdị CD Audio
CD dị maka Compact Disc. Disc Compact na-ezo aka na diski na dijitalụ nke ọkpụkpọ nhazi nke Philips na Sony na -eme ọdịyo nke digitally, dị ka ụzọ data kọmputa si ede (1 na nke 0), n'ime olulu na diski, na-eji usoro a na-akpọ PCM nke bụ ihe nnọchiteanya mgbakọ na mwepụ.
A na-emepụta CD ndị mbụ na Germany na August 17, 1982. Aha nke mbụ nyocha CD zuru ezu: Richard Strauss '- Alpine Symphony . Ọ bụ mgbe e mesịrị n'afọ ahụ, na October 1st nke afọ 1982, ndị CD ahụ bịara dị na United States na Japan. CD mbụ a na-ere (nke mbụ na Japan) bụ Billy Joel's 52nd Street nke a tọhapụrụ na vinyl na 1978.
CD malitere usoro mgbanwe dijitalụ na ọdịyo, PC Gaming, ngwa nchekwa PC, ma nyekwa aka na mmepe nke DVD. Sony na Philips jikọrọ aka na patent maka mmepe nke teknụzụ CD na ọkpụkpọ CD.
A na-akpọkwa usoro okwu CD dịka "Redbook CD".
Maka ama ndi ozo banyere akuko CD, lelee akuko site na CNN.com.
Ọzọkwa, lelee foto na nyocha zuru ezu (nke Stereophile Magazine dere na 1983) nke onye ọkpụkpọ CD mbụ eresị ndị mmadụ.
Na mgbakwunye na ụda nke mbụ, a pụkwara iji CD mee ihe n'ọtụtụ ngwa ndị ọzọ:
- CD-R - CD-R pụtara CD-Recordable. A na-eji diski ndị a edekọ ma ọ bụ "ọkụ" egwu ma ọ bụ data site na iji CD Recorder (egwu naanị) ma ọ bụ PC (egwu ma ọ bụ data). A na-ede ụfọdụ CD-R maka ndekọ egwu naanị ma ndị ọzọ nwere ike idekọ egwu ma ọ bụ data. A na-ede CD-R naanị otu ugboro.
- CD-RW - Otu ikike dịka CD-R, ma e wezụga na CD nwere ike ehichapụ ma jiri ya ọzọ (nrọ RW pụtara Re-writable).
- MP3-CD - CD MP3 nwere ike ịbụ CD-R ma ọ bụ RW diski na edekọ egwu faịlụ MP3 na, kama akara faịlụ ọdịyo CD. A na-akpọ CD ndị a n'ọtụtụ CD, DVD, na Blu-ray Disc Player (ịkwesịrị ịlele njirimara onye ọkpụkpọ).
- JPEG Photo CD - A JPEG Photo CD nwere ike ịbụ ma CD-R ma ọ bụ RW diski nwere foto na ya edere na usoro JPEG. A na-egwu JPEG foto CD na PC na CD, DVD, na Blu-ray Disc.
- VideoCD - Na mgbakwunye na ọdịyo na foto, ị nwekwara ike idekọ vidiyo na CD . Nke a abụghị otu DVD, ya na àgwà dị na-n'etiti DVD na VHS. Ọzọkwa, vidiyo vidiyo anaghị adọrọ mmasị na CD, ọ gwụla ma ọ bụrụ na ọkpụkpọ CD nwere njikọ mmemme vidiyo (nke na-adịghị adị) - ọ bụ ezie na ndị na-egwu VideoCD bụ ndị na-ewu ewu n'ọtụtụ ahịa Asia. VideoCDs nwere ike ịnweta DVD na Blu-ray diski egwuregwu.
HDCD
HDCD bụ mgbanwe nke ọkọlọtọ audio CD nke na-agbasa ozi ọdịyo echekwara na ihe mgbaàmà CD site na 4-ibe ( CD na-adabere na teknụzụ ọdịyo 16bit ) na 20bits, HDCD nwere ike ịgbatị ikike nke ụmụaka nke nkà na ụzụ CD ugbu a na ụkpụrụ ọhụrụ, mana ka na-enye ohere, CDCD a gbanwere edegharị ka a na-egwuri na ndị HDCD CD (ndị na-abụghị HDCD na-eleghara mmezi "ezumike") n'enweghị ihe ọ bụla na-abawanye na ọnụahịa CD. Ọzọkwa, dịka ntanetị nke ntinye nlezianya kachasị na HDCD ibe, ọbụna CD "mgbe niile" ga-eme ka ọ dịkwuo mma na ihe ndị ọzọ dị na HD CD.
Windows Microsonics malitere HDCD, wee ghọọ ihe onwunwe Microsoft. A tọhapụrụ akpa HDCD na 1995, ọ bụ ezie na ọ dịghị mgbe ọ bụla ọ nabatara usoro Redbook CD, a tọhapụrụ utu aha 5,000 (lelee ndepụta anya).
Mgbe ị na-azụta CD egwu, lelee anya mbido HDCD na azụ ma ọ bụ nkwakọ ngwaahịa n'ime. Otú ọ dị, enwere ọtụtụ nnwere onwe nke nwere ike ghara ịgụnye akara HDCD, ma, nwere ike ka bụrụ diski HDCD. Ọ bụrụ na ị nwere CD ọkpụkpọ nke na-egosi mkpebi HDCD, ọ ga-achọpụta ya na akpaghị aka ma nye uru ndị ọzọ.
A na-akpọkwa HDCD dịka High Definition Compatible Digital, High Definition Compact Digital, High Definition Compact Disc
SACD
SACD (Disc Audio Compact Disc) bụ igbe nkwekọrịta ọdịyo dị elu Sony na Philips (bụ ndị mepụtara CD). Iji Sistemụ Ntanetị Direct Stream (DSD), SACD na-enye maka mmepụta ụda ziri ezi karị karịa Pulse Code Modulation (PCM) eji na usoro CD ugbu a.
Ọ bụ ezie na usoro CD dị n'usoro jikọtara ọnụego ntanetị 44.1 kHz , SACD samples na 2.8224 MHz. Ọzọkwa, na nchekwa nke 4.7 gigabytes kwa diski (dị ka DVD), SACD nwere ike ịnweta stereo dị iche iche na ọwa isii nke 100 nkeji ọ bụla. Ụdị SACD nwekwara ike igosipụta foto na ozi ederede, dịka ihe edeturu, ma enweghi njirimara a n'ime ọtụtụ diski.
Ndị na-egwu CD enweghi ike igwu SACD, mana ndi egwuregwu SACD kwadoro ya na CD ndi ozo, ufodu disiki SACD bu diski dual-layer na ọdịnaya PCM nke a puru igwu na ndi CD egwu. N'ikwu ya n'ụzọ ọzọ, otu disk ahụ nwere ike ijide ma ọ bụ CD na nsụgharị SACD nke ederede ederede. Nke ahụ pụtara na ị nwere ike itinye ego na SAPD abụọ iji kpọọ na ọkpọ CD gị ugbu a wee nweta ọdịnaya SACD na diski ahụ mgbe e mesịrị na ọkpụkpọ SACD-dakọtara.
Ekwesiri ighota na obugh diski SACD nile nwere nkwekorita CD - nke putara na ichoputa onodu disiki iji hu ma udi diski SACD nwere ike igwu egwu onodu CD.
Tụkwasị na nke ahụ, enwere DVD, Blu-ray, na Ultra HD Disc nwere ike igwu egwu SACDs.
SACD nwere ike ịbata ma ọ bụ 2 ọwa ma ọ bụ ọtụtụ nsụgharị. N'ọnọdụ ndị SACD nwekwara nsụgharị CD na diski ahụ, CD ga-abụ 2-ọwa, ma, SACD Layer nwere ike ịbụ ma ọ bụ 2 ma ọ bụ ọtụtụ ọwa.
Otu ihe ọzọ ịkọwapụta bụ na ederede DSD nke edere na SACD na-ejikwa ugbu a dị ka otu n'ime usoro ndị dị ugbu a jiri maka ọdịyo egwu Hi-Res . Nke a na-enye ndị na-ege ntị egwu egwu dị mma na nhazi ụdị egwu egwu.
A na-akpọ SACD dị ka CD Super Audio, Super Audio Compact Disc, SA-CD