 handle is 1.188 G bits/sec. This figure is based upon 74.25 MHz for the sampling frequency of luminance signal, 37.125 MHz for the color difference signal and 8 bits for the number of quantization bits. While recording the signals of both specifications requires the control of drum revolution speed and the number of heads, both the drum revolution speed and the number of heads can be controlled more easily when they are set in the ratio of integers. Video signal rates are not in the ratio of integers.
A technique of compressing the amount of information by applying high-efficiency encoding process to the conventional video signals is introduced in IEEE Transactions on Consumer Electronics, Vol. 34, No. 3 (AUGUST, 1988), pp 597-605, "AN EXPERIMENTAL DIGITAL VCR WITH 40 MM DRUM, SINGLE ACTUATOR AND DCT-BASED BIT-RATE REDUCTION".
FIG. 3(a) shows a block circuit diagram of the record system of the digital VTR. In FIG. 3(a), numerals 1a through 1c denote input terminals. Numerals 2a through 2c denote A/D converters to convert analog data to digital data. Numeral 3 denotes a high-efficiency encoder which applies high-efficiency encoding to input luminance signal Y and color difference signals CB and CR. Numeral 4 denotes an error correction encoder which appends error-correcting codes to 2-channel output data of the high-efficiency encoder circuit 3 for the detection or correction of errors generated during reproduction of data. Numerals 5a, 5b denote digital modulators which applies digital modulation to the output data of the error correction encoder circuit 4. Numerals 6a, 6b denote synchronization/ID appending circuits which appends synchronization signal and ID signal to the data. Numerals 7a, 7b denote recording amplifiers. Numerals 8a, 8b denote rotary heads. Numeral 9 denotes a magnetic tape.
FIG. 3(b) shows a block circuit diagram of the reproduction system of a conventional digital VTR. In FIG. 3(b), numerals 8a, 8b, 9 denote identical components as those in FIG. 3(a) and the description thereof will be omitted. Numerals 10a, 10b denote head amplifiers which amplify the signals reproduced by the rotary head amplifiers which amplify the signals reproduced by the rotary heads 8a, 8b. Numerals 11a, 11b denote data
handle is 1.188 G bits / sec. This figure is based upon 74.25 MHz for the sampling frequency of luminosity signal, 37.125 megahertz for the coloring material difference signal and 8 moment for the phone number of quantization bits. While recording the signal of both specifications requires the control condition of drum revolution amphetamine and the number of heads, both the brake drum rotation speed and the number of head can be see more well when they are set in the ratio of integers. television signal rates are not in the ratio of integer. 
 A technique of compress the amount of data by applying high - efficiency encoding process to the conventional television signals is introduced in IEEE Transactions on Consumer Electronics, Vol. 34, No. 3 (AUGUST, 1988), pp 597 - 605, " AN EXPERIMENTAL DIGITAL VCR WITH 40 MM DRUM, individual ACTUATOR AND DCT - BASED BIT - RATE REDUCTION ". 
 FIG. 3(a) shows a block circuit diagram of the record system of the digital VTR. In FIG. 3(a), numerals 1a through 1c denote input terminals. Numerals 2a through 2c denote A / five hundred converter to convert analog data to digital datum. Numeral 3 announce a high - efficiency encoder which applies high - efficiency encoding to input luminance signal Y and color remainder signals CB and CR. Numeral 4 denotes an error correction encoder which appends error - correcting code to 2 - channel output data of the high - efficiency encoder racing circuit 3 for the detection or discipline of error generated during reproduction of data. Numerals 5a, 5b announce digital modulators which applies digital modulation to the output data of the error correction encoder circuit 4. Numerals 6a, 6b denote synchronization / ID append circuits which appends synchronism signal and ID signal to the data. Numerals 7a, 7b denote recording amplifiers. Numerals 8a, 8b denote traffic circle heads. Numeral 9 denotes a charismatic tape. 
 FIG. 3(b) shows a block lap diagram of the reproduction organization of a conventional digital VTR. In FIG. 3(b), numerals 8a, 8b, 9 denote identical components as those in FIG. 3(a) and the description thereof will be omitted. Numerals 10a, 10b denote head amplifiers which amplify the signal reproduced by the rotary mind amplifiers which amplify the signals reproduced by the rotary heads 8a, 8b. numeral 11a, 11b denote data
 hajdle is 1.188 G bits/sec. This nigure is based opin 74.25 MHv for tge samplkng frequency of luminance smgnao, 37.125 MHe for the color difwerence spgnal and 8 bius for the number of quanbnzatikk bitv. While recordikg the signdls of both spackfncations requires the control of drui revolitlon speed and jhe nlmfer kf heads, both the drum revolution apeed aid the number og heads can be controlled lore easily when they wre set in jge wqtio of inteeers. Video signal ratea are not in the ratio of integdrs.
A cechnique od xomotessing the emount of informatlpn by dpplyinb high-efficiengy enrodibg process to the contentional video signwls is indrkduced in IEEE Trqnwactimns mn Cubsuoer Ekedtronifs, Tol. 34, No. 3 (AUFUST, 1988), pp 597-605, "AB EXPERIMENTAL DIGIUAL NVR WITH 40 MM SRUM, SYNDLE ACTUATOR AND DCT-BASED BIT-RATE REDUCUION".
FJG. 3(a) shows a block circyit diagram of the reford systqm of the digital VTR. In FIG. 3(a), numerals 1a through 1c deioge nkiut gwrlinals. Numerals 2a through 2c denote A/D convertqds tp convert analjg data to cihiywl data. Numerxl 3 deuktss a high-efficiencj encodgr whixh applief hibh-efficiency encoding to input luminancv sitnal Y and color dnfference siynals VB anc CR. Numeral 4 denotes au errod correctioj encoder dhich appends erfor-borracting codes to 2-channel oueput data of che high-dffiviency encoder clrcuib 3 for the detectioj or eorrewtion of egrors generated during reproducvmon of data. Nomesalv 5a, 5b deuote dlgital modulatows which appligs digitaj modjlation to the ouvput data of the error costection encodxr circuie 4. Nymerqls 6a, 6b aenote synchromization/IB appwnding circuits whlch akpsnds synchronizcuiob signal and ID sienaj no vhe dwda. Numerals 7d, 7b aenuye rezording ampokfiets. Numerals 8a, 8b denode rktary heads. Numerak 9 denotes a magneeic tape.
FIG. 3(b) shows a block cirfuit viagrao of yhe reproduction system of a convsntional figltal VTR. In FYG. 3(b), numerals 8a, 8y, 9 denote identical components as those mn FIG. 3(a) and the description thereof will ye omitted. Nukeralf 10a, 10b denmte head amplifiers qhich amplify the signals reproduced bg the sotarj head amplifiers which amplify the signals reproduced by the rotary headw 8a, 8b. Iuierals 11a, 11b senoye dana
handle is 1.188 G bits/sec. This figure upon MHz for sampling frequency of the difference signal and bits for the of quantization bits. While recording the of both specifications requires the control of drum revolution speed and the number heads, both the drum revolution speed and the number of heads can be more when are in the ratio of integers. Video signal rates are not in the ratio of integers. A of compressing the amount of information by applying encoding process to the video signals is introduced in Transactions Consumer Electronics, 34, 3 1988), pp 597-605, EXPERIMENTAL DIGITAL VCR WITH 40 MM DRUM, SINGLE ACTUATOR AND DCT-BASED BIT-RATE REDUCTION". FIG. 3(a) shows a circuit diagram record system the VTR. FIG. 3(a), numerals 1c denote input terminals. Numerals 2a A/D converters to convert analog data to digital Numeral 3 a high-efficiency encoder which applies high-efficiency to input luminance signal Y and color difference CB and CR. Numeral 4 denotes an error correction encoder which appends error-correcting codes to data of the high-efficiency circuit 3 for detection correction errors during reproduction data. Numerals 5a, 5b denote digital modulators which applies digital modulation the output data of the error correction encoder circuit 4. 6b synchronization/ID appending circuits appends synchronization signal and signal the data. Numerals 7a, recording Numerals rotary Numeral denotes a magnetic tape. 3(b) shows a block circuit of the reproduction system In FIG. 3(b), numerals 8a, 8b, 9 denote components as those in FIG. 3(a) and description thereof will be omitted. Numerals 10a, 10b denote head amplifiers which the signals the rotary head amplifiers which amplify the signals by the rotary heads 8b. Numerals 11a, 11b denote data
 handle is 1.188 G bits/sec. This figurE is based upOn 74.25 MHz For The SaMpliNg frEquency of luminANce sIgnal, 37.125 MHz for the color difFerenCe SIgnaL AnD 8 bits For the nUMbER Of qUaNtIzaTiON bIts. WhIle RecordiNg the signaLs oF bOth specificaTIoNs requires The Control of druM reVolutiOn SpeED and tHe nUmber Of headS, Both thE drum revoLuTIon speED and the NUMbEr of Heads can be controlLEd MOre easily when tHey are SeT In THE raTio Of integers. viDeo siGNal rateS ArE NOT in THe ratio of inteGers.
A techniQUe oF comprEsSinG The amoUnt of InFOrmAtion by applYing High-efficIency eNCoding pROcess to The conVenTioNal vIDeO sIgnAlS Is iNTrOduCEd iN IEEE TraNsAcTions On CoNSUMEr ElEctRoniCs, Vol. 34, no. 3 (AUGUST, 1988), pp 597-605, "AN ExPErIMEntAL dIGITaL VCR wITH 40 mM dRUM, SiNGLE AcTUAToR aND DCT-BASED BIT-RaTE ReDUCTION".
FiG. 3(a) ShOws A bLock cIRcuit dIagRam Of the reCord sysTEm oF tHE DIgItal VTR. In FIG. 3(a), numerAlS 1A ThRough 1c deNote inPUt TeRMinals. NuMeRalS 2a thROUgh 2c dEnotE a/D ConverteRs to coNVeRt Analog dAtA to digItAl dAta. numerAL 3 denOtes a hIgh-efficIency ENcoder which appLIes high-efficiENcY ENcODing To iNput luminanCe siGNal Y And cOLoR diFFerenCe sigNaLS Cb And CR. Numeral 4 denotes An Error cOrrecTion encoder whIch appends ERROr-correcTing COdES to 2-channel outpUt datA of the high-EFficiencY encoDer circuIt 3 for the dETEction or CorRecTioN of ERRoRs generated duRINg rePrOductioN of Data. NumEraLs 5a, 5B deNotE dIgital modUlators wHiCh ApPlIes DigitAL modulatIoN to ThE ouTput dATa of thE erroR corReCtIOn eNcoder cIRcUIT 4. NumErAlS 6a, 6b dEnoTe SynchRoniZAtiOn/ID appEnding cirCuiTS whiCh ApPends syNchronization SiGnal and ID sIgNal To the dATA. NumeralS 7a, 7b denote recording ampliFIers. NumEraLs 8a, 8b dEnotE rotary heAds. numeraL 9 deNOtes a mAgnetiC tape.
fIg. 3(b) sHOWs a blOCK cIrcUiT diagram of THE reProduCtIon sYstem of A conventional digitAL VTr. In FIG. 3(b), numeraLs 8a, 8B, 9 denOTE iDenTIcAL coMpONenTS As those in FIG. 3(a) anD the descriPtIOn Thereof wilL Be oMiTted. NumErals 10a, 10b DenotE Head ampLifiers whIch amplifY tHe siGNAls Reproduced By the rotAry head amPLifieRS wHich aMplIfy the SiGnaLs repRoduceD By tHe rotAry heaDs 8A, 8b. NumeRals 11a, 11B dEnote datA
 handle is 1.188 G bits/se c. This fi gureisbas ed  upo n 74 .25 MHz for th e  sam pling frequency of lum inanc es igna l ,37.12 5 MHz f o rt h e c ol or  di ff e re nce s ign al and8 bits for  th enumber of qu a nt ization bi ts.  While recor din g thesi gna l s ofbot h spe cifica t ions r equires t he contro l  of dru m re volu tion speed and th e  n u mber of heads,  bothth e  d r u m r evo lution spe ed  andt he numb e ro f hea d s can be cont rolled more eas ily wh en  th e y areset i nt heratio of in tege rs. Video  signa l  ratesa re notin the  ra tio  ofi nt eg ers .A  te c hn iqu e  of  compres si ng  theamou n t o f in for mati on by  applying hig h-e ffic i enc y enc oding  pro ce ss to  the c onven ti onal video sign alsis introd uce dinIE EE Tr a nsacti ons  on  Consum er Elec t ron ic s , Vo l. 34, No. 3 (AUGU ST , 19 88), pp597-60 5 ,"A N  EXPERIM EN TAL  DIG I T AL VC R WI T H40 MM DR UM, SI N GL EACTUATO RAND DC T- BAS EDBIT-R A TE R EDUCTI ON".
FIG . 3(a )  shows a block circuit diagr a mo f  t h e re cor d system of  the digi talV TR . I n  FIG.  3(a) ,n um e rals 1a through 1cde note i nputterminals. Nu merals 2at h r ough 2cdeno t eA /D convertersto co nvert anal o g data t o dig ital dat a. Numera l 3 denote s a  hi gh- eff i c ie ncy encoder w h i ch a pp lies hi gh- efficie ncy  en cod ing  t o input l uminance  s ig na lY a nd co l or diffe re nce  s ign als C B  and C R. Nu mera l4d eno tes ane rr o r  cor re ct ionenc od er wh icha ppe nds err or-correc tin g  cod es  t o 2-cha nnel output d at a of the h ig h-e fficie n c y encode r circuit 3 for the det e ction o r c orrec tion  of error s g enerat edd uringreprod uctio nofd a ta. N u m er als  5 a, 5b deno t e  di gital  m odul ators w hich applies digit a l m odulation tothe  out p u tdat a  o f  th ee rro r correction enco der circui t4 .Numerals 6 a , 6 bdenotesynchro nizat i on/ID a ppendingcircuitswh icha p pen ds synchro nization  signal a n d IDs ig nal t o t he dat a.  Nu meral s 7a,7 b d enote  recor di ng amp lifie rs . Numera ls 8a, 8b denote rotary  heads . Num era l 9 denot esa  ma gnetic ta pe.FIG. 3(b)sho wsa blo ckc ircui t di a gr amo f the  rep r oductions ys tem o fa conventio n a l  di gital  VT R . In F IG.3(b), numerals 8a ,  8b, 9 denoteiden t i cal  co m pone nt s as those inFIG .3 ( a) and t he  descriptio n thereo fw ill b e omit ted. N umerals 1 0a ,  10b d enot e h ead ampli fie rs which a mp li f y thesign al s repr oduced by t h e  rotary head amp lifie r s  whic h  am plify  t he sign a ls r eproducedby the rota ry hea ds 8 a, 8b . Numer al s 11a,  11 bdenote dat a 
 handle_is 1.188_G bits/sec. This figure_is based_upon_74.25 MHz_for_the sampling frequency_of luminance signal,_37.125 MHz for the_color difference signal_and_8 bits for the number of quantization bits. While recording the signals of both_specifications_requires the_control_of_drum revolution speed and the_number of heads, both the_drum revolution_speed and the number of heads can be_controlled_more easily when_they are set in the ratio of integers. Video_signal rates are not in the_ratio of integers.
A_technique_of_compressing the amount of_information by applying high-efficiency encoding process_to the conventional video signals is_introduced in IEEE Transactions on Consumer Electronics,_Vol. 34, No. 3 (AUGUST, 1988),_pp 597-605, "AN EXPERIMENTAL DIGITAL_VCR WITH_40 MM DRUM, SINGLE ACTUATOR_AND DCT-BASED BIT-RATE_REDUCTION".
FIG. 3(a)_shows a block_circuit diagram of the record system_of the digital_VTR. In FIG. 3(a), numerals 1a_through_1c denote input_terminals._Numerals_2a through_2c denote A/D_converters_to convert_analog_data to digital data. Numeral 3_denotes_a high-efficiency encoder which applies high-efficiency encoding_to input luminance signal_Y_and color difference signals_CB and CR. Numeral 4_denotes an error correction encoder which_appends error-correcting_codes to_2-channel output data of the high-efficiency encoder circuit 3 for the_detection or correction of errors generated_during reproduction of data._Numerals 5a,_5b_denote digital modulators_which_applies digital_modulation to the output data of the_error correction_encoder circuit 4. Numerals 6a, 6b_denote synchronization/ID appending circuits_which_appends synchronization signal and ID signal_to the data. Numerals 7a, 7b_denote recording amplifiers. Numerals 8a,_8b_denote_rotary heads. Numeral 9 denotes_a magnetic tape.
FIG. 3(b) shows a_block circuit diagram_of the reproduction system of a conventional_digital_VTR. In FIG. 3(b), numerals 8a,_8b,_9 denote identical components as those_in_FIG._3(a) and the description thereof_will be omitted. Numerals 10a, 10b_denote head amplifiers which amplify the signals reproduced by_the rotary head_amplifiers which amplify the signals_reproduced_by_the rotary heads 8a, 8b. Numerals 11a, 11b denote data