
		Julius ɂ|[Ÿɂ

							'03/01/08
							   WL

-*-Text-*-

͂߂
===========

bf[^ɂ閳Ԃ̈́CԂ┭ʒuɂāCԌoA
SYCfCꃂfCfR[fBO̗lXȃxł̑
KvłDȑOCJuliusł͖Ԃ̐؂o△P̈C
V[g|[YZOe[VȂǂ̋@\ĂD܂C
Julius rev. 3.3p3 C}`pXłɂĒPԃV[g|[Yւ̑
ǉꂽDĈ悤ɁCbf[^̖ɂāC
ꂼ@\XɎĂCe@\Ԃ̖Sݒ@
ǂɕsmȓ_D

{ł́C3.3p3 ɂ閳Ԃ̈ɂĂ܂Ƃ߂ĉD
Ԃ̏oʒuƎԂ番ނsCꂼɑΉ鏈
ƂāCԌo△PC3.3p3̐V@\łPԃV[
g|[Y̑ΉɂĉD܂ʏ/}`pXŁCJulius/Julian
Ȃǂ̐ݒ̈ႢƂ̐ݒ@ډDV[g|[YZOe[V
ɂĂCŊ֘A𐮗ďqׂD

ȂĆ̕CJulius rev. 3.3p3 ȍ~ΏۂƂD



Ԃ̕
===============

͉f[^ɂCbȊÓuԁvɂāČp
Ԃȉ̂悤ɕނD

1) long pause c ƕ̊Ԃ̒ԁDJulius͂ɓ͂
		 ؂D̖ڈ͂悻 300ms ȏD

2) short pausec ̖DɃuX⑧pɂ́DỎf
		 ɃReLXgƂĉeڂ̂̂ƂD
		 ̖ڈ 100ms ȏ300ms ȉD
3) very short pause c ̓ɒZDuԂ̋؂ɑΉDg
		 CtH̃ReLXgƂĂ͖D
		 ̖ڈ 20 ` 100msD



long pause c ͂̋؂̃xőΏ
===============================================



Julius/Julian ́Cf[^̓̓Xg[ɑ΂āCԂ݂̂
oĖԂJbgČoꂽԒPʂŔFs@\
ĂD

؂óCFEʒȏOiKōsDł́uv
́C莞ԓ̗ƃx臒lłD

̉؂óCftHgŃ}CN͂̂Ƃ ON, ȊO
͂̂Ƃ OFF łDȂ킿C}CN͂̏ꍇ͔񔭘bԁi
ԁĵƂ͔FsꂸCbJnƓɐ؂osi
ɑ1pX̔Fn܂jCbIiԂ̔jƓɑ1 
pXICQpXsDt@C͂̏ꍇ́CftHg
͐؂o͍sꂸC̃t@CŜP̓͂ƂāCʒo
1pX2pX̏ŔFsD


ݒ@

Iɉ؂o ON/OFF ꍇ́CIvV
"-cutsilence" "-nocutsilence" pDႦ΁Ct@C͂ł
ftHgł͐؂osȂC̔b܂񂾒t@C
ItCł̐؂os킸JuliusŐ؂oȂ璀Fs
ꍇ́C-cutsilence w肷΂悢D

؂ô߂̉ԌoASÝC莞ԓ̗ƐU
xƂD莞ԓɂāCUxwlȏ̐U
̗萔ȏɂȂΉԊJnC萔ȉɂȂ
IƂ݂ȂDۂɂ́CԂ̐擪▖ɂĉ̗オ
◧ɑȔ؂Ă܂Ƃh߁C
Jn_OƔI_ɁCꂼ}[W
oDUx臒l "-lv" i0-3276 7jC"-zc" i
bjC؂o擪̃}[W "-headmargin" iPʁF~bjC
؂õ}[W "-tailmargin" iPʁF~bjŎw肷D

؂o1Ԃ̍ő咷 20 błDύXꍇ́C
\[XA[JCu libsent/include/sent/speech.h  MAXSPEECHLEN ̒l
ύXčăRpC΂悢Dw蒷ɉĕKvʂ
̂Œӂ邱ƁD


f̑Ή

ʏCԂ͂̐擪ƖɖԂ܂ށDʏ̉Fɂ
́C̖ /sil/ i邢 /silB/, /silE/jȂǂ́uPv
fEꃂfŗpӂ邱ƂƂȂDfł͊wKT
v̕ƕ̖Ԃɑ΂ĊwK /silB/  /silE/ Ȃǂ̃f
pӂDꃂfɂẮCJulius iPN-gramjł́CʏC
R[pX̊wK̍ŏƍŌɕJn^O <s> ╶I^O</s> Ȃǂ
t^ĊwKsCꂼɁuPvǂ݂Ƃĕt^邱ƂŃ
fD

     <s> [<s>] silB
     </s> [</s>] silE

܂CLq@iJulianjɂẮC̐擪Ɩ̖ṔC
@ŖIɎw肷KvD

     S: NS_B SENTENCE NS_E

     % NS_B
     silB	silB
     % NS_E
     silE	silE

Julius ł́Cȏ̂悤ȃfsĂ邱ƂOƂĂ
Cf[^̎nI[̒Pꉼꂼ "<s>","</s>" ɌŒ肵ĒT
sD̂߁CJulius ŔFsۂɂ́C"<s>", "</s>" Ƃǂ
̒PꂪPꎫɓo^ĂKvDi̒P̔
 /silB/, /silE/ łKv͂Ȃj̎nI[P̓ǂ݂́Cꂼ
IvV "-silhead", "-siltail" ŕύX\łD



short pause c ꃂfẼxőΏ
==================================================



ۂ̔bɂẮC1̔bɂCp punctuationC
ȂǂɂZoD̖́C莩RœIȔbɂ
đXɂD̂悤Ȕb̒ZCł̓V[g
|[YƌĂԁD

x̒V[g|[Ył΁C╶̖PƓl
ɁCV[g|[Yǂ݂ƂPɉC̏̕op^[
ꃂfŁCIfŒ`邱ƂőΏ邱Ƃ
łD̃V[g|[YɑΉ鎫̒PCȌwsp PxƌĂԁD


f̑Ή

spP̉IƏoʒúCꂼꉹfƌꃂfŃf
DʏCsp ṔCwKR[pX̖wK
f /sp/ ƂĊwKD/sp/ ̊wK@ɂ́C/sil/ Ƃ tee f
ƂĊwK@CwKf[^x[XɐmȃV[g|[ỸAme[
Vs@Ȃǂ邪CJulius ͊wK@ɂ͈ˑȂD

spP͒ʏ̒PƓlɁCgCtHgpɂ͑OŒPԂ̉f
ˑlDȂ킿C

    a | sp | b       ..-a+sp | sp | sp-b+..

Ƃ悤ɁCsp P̑O̒PɂẮCsp ReLXgƂčl
D

spP̏op^[̃f́CɈˑ镔傫DႦ΁C
IPACSRCŔzzĂ{N-gramꃂfł́Cǂݏグ̓
_uAvɂ镔ɃV[g|[Y₷ƍlCȉ̂悤
Ǔ_ sp PƂĒ`邱ƂŁCV[g|[Y\ĂD

    A+78 [A]  sp

邢́Cꃂfŗ\ĂȂꍇ́CPɎ sp Pǉ
o^邾łʂƍlD


ݒ@

 sp P̌óCJulius/Julian ̋NɍsDuP܂
͕ /sp/ ݂̂ȂPvoC spPƂĔFD
 sp ɑ鉹f́CIvV "-spmodel" ŕύXłD

Julius  Julian ŁCspP͈̈قȂD

Julius ł́Csp P͒ʏ̒PƑSlɈD
ꃂf⎫ sp Pꂪ`ĂȂꍇ́Cjconf IvV
"-iwspword" w肷邱ƂŁCNɎI sp P̃Gg
ɒǉĔFsƂłD̍ہCǉ sp P̃Gg
̓éC"-iwspentry" ŎwłDftHg "<UNK> [sp] sp sp"
łD

Julian ł́C@ sp P̏oʒu𖾎IɎw肷KvDsp 
P̏oʒu@iюjŒ`Ă΁C sp Pɑ
ăXLbvlʂȔFsDsp Pꂪ`Ă
ȂꍇC sp PɊւ鏈͂sȂD

܂CJulius/Julian ƂCsp P͎ŕw肵Ă\ȂD
Julius ŎɊ sp PꂪƂ "-iwspword" w肵ꍇC
ɂ sp P "-iwspword" ɂ莩ǉꂽ sp P͓Ɨ
D



very short pause c f HMM ̃xőΏ i}`pXł̂݁j
==================================================================



ۂ̔bɂāCpȂǂɂZo邱Ƃ͏qׂC
莩RȔɂẮCɒZ\mŝZԂ̖PԂ
oꍇƂĂD

̒PԂ̒ZԂ̖ɑΏ邽߂ɁCJulius/Julian ̃}`pX
ł́CP̖ɃReLXgƂčlȂV[g|[Yf
tăfR[fBOs@\DIvV "-iwsp" w肷
ƂŁCV[g|[Ỷf /sp/ SP̖Ɏt
FsD̂ƂAPꖖ sp oꂵȂꍇlāA
 /sp/ ŜXLbvJڂɕtDȂ킿CeP
ɑ΂ /sp/ ̕t͈ȉ̂悤ɍsD


      <>  <>  <>           <>               <>  <>  <>  
  ->->->-> + ->->   =>  ->->->--->
                                                      \<>/
                                                       
         /a/              /sp/                /a sp/

ȂA/sp/ fXLbvJڂ炩ߎĂꍇ́C
pD̂悤ȑJڂȂꍇɂ́Cm 1.0 ̃XLbvJڂ
Iɕt^D

O߂ sp PƔrƂ̑傫ȏ̈Ⴂ́C sp gCtH
ReLXgƂĖ_ɂDPԂɂ鉹fˑ̏
́Cȉ̂悤 sp XLbvčs (context free)D́C
̂悤ȒZԂ̖͂̑O̒PԂ̉fɑ΂ĉe
ƂĂ邽߂łD

    a | sp | b       ..-a+b | sp | a-b+..

Ȃ킿CJulius/Julian ł́CPԂ̃V[g|[Yɑ΂Pԉf
ˑ̈C|[Y̒ŕςĂ邱ƂƂȂD|[YrI
ꍇ sp Picontext awarejɃ}b`CZꍇ͒Pꖖ
tꂽ sp (context free) őΏD

Pꖖ sp  sp PƂ̈Ⴂȉɂ܂Ƃ߂D

EΏێԁFspPꁁ(50ms200ms)CPꖖspP(10ms50ms)
EoFspPꁁꃂfŎwCPꖖspSĂ̒PԂɏo\
EPԃgCtHFspPꁁcontext awareCPꖖspcontext free

ȂC̒Pꖖւ /sp/ t^ɂPԃV[g|[Ÿ́C
}`pXłł̂݃T|[gDʏłł́CXLbvJڂ̈̎
قȂ邽߁A݂̓T|[gOƂȂĂD


ݒ@

Pꖖ sp ̓ftHgł OFF łC"-iwsp" w肷邱Ƃ ON
ƂȂD

tV[g|[Ỷf /sp/  "-spmodel" ŕύX\
łD܂CPꖖɕtꂽ sp ւ̑Jڊmiΐޓxj̓IvV
"-iwsppenalty" ŎwłD}CiXɑ傫ȂقǁCsp ̑}
}łDidefault: -1.0j



ACg@\ƃV[g|[Yɂ
======================================================

ACg(-walign, -palign, -salign)ɂĂCL̃V[
g|[ŸlDFʂɂāCsp PPꖖspl
ꂽACgʂo͂D

sp P̃ACgʂ͒ʏ̒PƓlɏo͂DFʂ
sp Pꂪ܂܂΁C̕ sp }` forced alignment 
sD

Pꖖ sp ɂẮCACgɂāCePꖖƂ sp 
ޏꍇƋ܂ȂꍇŖޓx̍ICo͂DႦ΁u
ṽACgʂ́CȂC-walign ł́uky o:vuky o: spv
ޓx̋Ԃo͂D-palign ł́ukyvɑāuo:v
uo: spv̂ޓx̌ʂo͂D-salign ̏ꍇ́Csp 
̑JڂɊւĂ [o:#4 (sp)] ̂悤ɏo͂D



Julius/Julian ̓Ɛݒ@
=================================

Julius ɂ "-iwspword" ɂ sp P̎ǉC
Julius/Julian ̃}`pXłɂ "-iwsp" ɂPꖖւspt^́C
Julius-3.3p3 ŃT|[gꂽV@\łD
"-iwsp" ł context-free ȒZԃV[g|[YɑΉC
"-iwspword" ł context-aware ȒԃV[g|[YɑΉD

Julius/Julian  ʏ/}`pX Ƃɐݒ\ȓ삪قȂ
̂ŒӂꂽDȉɊeGWł̐ݒ@܂Ƃ߂D

JuliusiʏŁj:
"-iwspword" ̂݁D"-iwsp" ͈ȂDspP̏oḿC炩
 N-gram ƎŊwKĂC邢 "-iwspword" Ŏǉ
ƂɂȂDǉ̏ꍇCǂ݂N-gramGg "-iwspentry" Ŏw
łD

JulianiʏŁj:
"-iwspword", "-iwsp" ƂT|[gȂDspPɂĂ͎ŖI
ɒ`C̏oʒu𕶖@ŖIɎw肷KvD܂C
sp P̓ǂ݂ /sp/ ƈقȂ閼ỎfpĂꍇ́C
Julian ̒P sp PƂČoł悤C"-spmodel" ł̉
fw肷KvD

Julius-multipath:
"-iwspword"  "-iwsp" 𗼕ƂT|[gD"-iwspword"Ŏ
 sp P̓ǂ݂ N-gramGg "-iwspentry"C"-iwsp" ŒP
֕t^ sp ̃f "-spmodel" Ŏw\D

Julian-multipath:
"-iwsp" ̂݃T|[gD"-iwspword" ͈ȂDspPɂẮC
Iɒ`C̏oʒu𕶖@ŖIɎw肷KvD
܂Csp P̓ǂ݂ /sp/ ȊO̖ỎfpĂꍇ́C
Julian̒P sp PƂČoł悤C"-spmodel" ł̉
fw肷KvD
"-iwsp" ɂPꖖ֕t^ sp ̃f "-spmodel" Ŏw肷D



 V[g|[YZOe[Vɂ
============================================

(ӁIȉ̎gp3.3p3ł͂܂Ă܂B
 Abvf[gőΏ̗\łj

Julius 3.2 ȍ~̋@\ƂāC͂V[g|[YŒ؂ĔF
ĂV[g|[YZOe[VĂD̓RpC
 configure IvVƂ "--enable-sp-segment" w肷邱
ŉ\ƂȂD

f[^͂̏ꍇ̃V[g|[YZOe[V́C
ȉ̃ASYōsD

(1)͉ɑ΂āCOq̉Ԃ̐؂osD
(2)؂oꂽԂɂāCʒosD
(3)ȉCԑŜ̏I܂Ń[vD
  (a)F̑1pXsD̍ہCsp Pꂪwt[ȏA
     čŖމłxꍇCł1pX𒆒f(b)ցD
  (b)(a)ŏԂɂđQpXsCFʂo͂D
  (c)(a)Œfʒu1pXĊJD(a)ցD

(3)̌ȍłCspPꂪŖމłAt[́C
IvV "-spdur" Ŏw肷DPʂ̓t[CftHg 10D

oΏۂł sp ṔCLŏqׂʂuP܂͕ /sp/ ̂
ȂPvƂD sp ɑ鉹f́CIvV
"-spmodel" ŕύXłD

F݂̃V[g|[YZOe[V͂(1)ŉ
Ԃ̐؂oƓʒosȂƂȂ߁C}CN͂ɑ΂čs
Ƃ͉\łD܂ Julian ł͓@\̓T|[gĂȂD


								ȏD
