我想使用 Intel Edison 开发板将 .wav 文件转换为文本。我遵循这线程并使用pocketsphinx_continuous-infile命令如线程中建议的那样。这给出了一个很长的 CLI 输出。不确定如何从中提取文本。有人能帮忙吗？
root@edison:/# pocketsphinx_continuous -infile /usr/share/sounds/alsa/Front_Right.wav
INFO: cmd_ln.c(691): Parsing command line:
pocketsphinx_continuous \
-infile /usr/share/sounds/alsa/Front_Right.wav
Current configuration:
[NAME] [DEFLT] [VALUE]
-adcdev
-agc none none
-agcthresh 2.0 2.000000e+00
-alpha 0.97 9.700000e-01
-argfile
-ascale 20.0 2.000000e+01
-aw 1 1
-backtrace no no
-beam 1e-48 1.000000e-48
-bestpath yes yes
-bestpathlw 9.5 9.500000e+00
-bghist no no
-ceplen 13 13
-cmn current current
-cmninit 8.0 8.0
-compallsen no no
-debug 0
-dict
-dictcase no no
-dither no no
-doublebw no no
-ds 1 1
-fdict
-feat 1s_c_d_dd 1s_c_d_dd
-featparams
-fillprob 1e-8 1.000000e-08
-frate 100 100
-fsg
-fsgusealtpron yes yes
-fsgusefiller yes yes
-fwdflat yes yes
-fwdflatbeam 1e-64 1.000000e-64
-fwdflatefwid 4 4
-fwdflatlw 8.5 8.500000e+00
-fwdflatsfwin 25 25
-fwdflatwbeam 7e-29 7.000000e-29
-fwdtree yes yes
-hmm
-infile /usr/share/sounds/alsa/Front_Right.wav
-input_endian little little
-jsgf
-kdmaxbbi -1 -1
-kdmaxdepth 0 0
-kdtree
-latsize 5000 5000
-lda
-ldadim 0 0
-lextreedump 0 0
-lifter 0 0
-lm
-lmctl
-lmname default default
-logbase 1.0001 1.000100e+00
-logfn
-logspec no no
-lowerf 133.33334 1.333333e+02
-lpbeam 1e-40 1.000000e-40
-lponlybeam 7e-29 7.000000e-29
-lw 6.5 6.500000e+00
-maxhmmpf -1 -1
-maxnewoov 20 20
-maxwpf -1 -1
-mdef
-mean
-mfclogdir
-min_endfr 0 0
-mixw
-mixwfloor 0.0000001 1.000000e-07
-mllr
-mmap yes yes
-ncep 13 13
-nfft 512 512
-nfilt 40 40
-nwpen 1.0 1.000000e+00
-pbeam 1e-48 1.000000e-48
-pip 1.0 1.000000e+00
-pl_beam 1e-10 1.000000e-10
-pl_pbeam 1e-5 1.000000e-05
-pl_window 0 0
-rawlogdir
-remove_dc no no
-round_filters yes yes
-samprate 16000 1.600000e+04
-seed -1 -1
-sendump
-senlogdir
-senmgau
-silprob 0.005 5.000000e-03
-smoothspec no no
-svspec
-time no no
-tmat
-tmatfloor 0.0001 1.000000e-04
-topn 4 4
-topn_beam 0 0
-toprule
-transform legacy legacy
-unit_area yes yes
-upperf 6855.4976 6.855498e+03
-usewdphones no no
-uw 1.0 1.000000e+00
-var
-varfloor 0.0001 1.000000e-04
-varnorm no no
-verbose no no
-warp_params
-warp_type inverse_linear inverse_linear
-wbeam 7e-29 7.000000e-29
-wip 0.65 6.500000e-01
-wlen 0.025625 2.562500e-02
INFO: cmd_ln.c(691): Parsing command line:
\
-nfilt 20 \
-lowerf 1 \
-upperf 4000 \
-wlen 0.025 \
-transform dct \
-round_filters no \
-remove_dc yes \
-svspec 0-12/13-25/26-38 \
-feat 1s_c_d_dd \
-agc none \
-cmn current \
-cmninit 56,-3,1 \
-varnorm no
Current configuration:
[NAME] [DEFLT] [VALUE]
-agc none none
-agcthresh 2.0 2.000000e+00
-alpha 0.97 9.700000e-01
-ceplen 13 13
-cmn current current
-cmninit 8.0 56,-3,1
-dither no no
-doublebw no no
-feat 1s_c_d_dd 1s_c_d_dd
-frate 100 100
-input_endian little little
-lda
-ldadim 0 0
-lifter 0 0
-logspec no no
-lowerf 133.33334 1.000000e+00
-ncep 13 13
-nfft 512 512
-nfilt 40 20
-remove_dc no yes
-round_filters yes no
-samprate 16000 1.600000e+04
-seed -1 -1
-smoothspec no no
-svspec 0-12/13-25/26-38
-transform legacy dct
-unit_area yes yes
-upperf 6855.4976 4.000000e+03
-varnorm no no
-verbose no no
-warp_params
-warp_type inverse_linear inverse_linear
-wlen 0.025625 2.500000e-02
INFO: acmod.c(246): Parsed model-specific feature parameters from /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/feat.params
INFO: feat.c(713): Initializing feature stream to type: '1s_c_d_dd', ceplen=13, CMN='current', VARNORM='no', AGC='none'
INFO: cmn.c(142): mean[0]= 12.00, mean[1..12]= 0.0
INFO: acmod.c(167): Using subvector specification 0-12/13-25/26-38
INFO: mdef.c(517): Reading model definition: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/mdef
INFO: mdef.c(528): Found byte-order mark BMDF, assuming this is a binary mdef file
INFO: bin_mdef.c(336): Reading binary model definition: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/mdef
INFO: bin_mdef.c(513): 50 CI-phone, 143047 CD-phone, 3 emitstate/phone, 150 CI-sen, 5150 Sen, 27135 Sen-Seq
INFO: tmat.c(205): Reading HMM transition probability matrices: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/transition_matrices
INFO: acmod.c(121): Attempting to use SCHMM computation module
INFO: ms_gauden.c(198): Reading mixture gaussian parameter: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/means
INFO: ms_gauden.c(292): 1 codebook, 3 feature, size:
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(198): Reading mixture gaussian parameter: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/variances
INFO: ms_gauden.c(292): 1 codebook, 3 feature, size:
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(294): 256x13
INFO: ms_gauden.c(354): 0 variance values floored
INFO: s2_semi_mgau.c(903): Loading senones from dump file /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/sendump
INFO: s2_semi_mgau.c(927): BEGIN FILE FORMAT DESCRIPTION
INFO: s2_semi_mgau.c(1022): Using memory-mapped I/O for senones
INFO: s2_semi_mgau.c(1296): Maximum top-N: 4 Top-N beams: 0 0 0
INFO: dict.c(317): Allocating 137543 * 20 bytes (2686 KiB) for word entries
INFO: dict.c(332): Reading main dictionary: /usr/local/share/pocketsphinx/model/lm/en_US/cmu07a.dic
INFO: dict.c(211): Allocated 1010 KiB for strings, 1664 KiB for phones
INFO: dict.c(335): 133436 words read
INFO: dict.c(341): Reading filler dictionary: /usr/local/share/pocketsphinx/model/hmm/en_US/hub4wsj_sc_8k/noisedict
INFO: dict.c(211): Allocated 0 KiB for strings, 0 KiB for phones
INFO: dict.c(344): 11 words read
INFO: dict2pid.c(396): Building PID tables for dictionary
INFO: dict2pid.c(404): Allocating 50^3 * 2 bytes (244 KiB) for word-initial triphones
INFO: dict2pid.c(131): Allocated 30200 bytes (29 KiB) for word-final triphones
INFO: dict2pid.c(195): Allocated 30200 bytes (29 KiB) for single-phone word triphones
INFO: ngram_model_arpa.c(77): No \data\ mark in LM file
INFO: ngram_model_dmp.c(142): Will use memory-mapped I/O for LM file
INFO: ngram_model_dmp.c(196): ngrams 1=5001, 2=436879, 3=418286
INFO: ngram_model_dmp.c(242): 5001 = LM.unigrams(+trailer) read
INFO: ngram_model_dmp.c(288): 436879 = LM.bigrams(+trailer) read
INFO: ngram_model_dmp.c(314): 418286 = LM.trigrams read
INFO: ngram_model_dmp.c(339): 37293 = LM.prob2 entries read
INFO: ngram_model_dmp.c(359): 14370 = LM.bo_wt2 entries read
INFO: ngram_model_dmp.c(379): 36094 = LM.prob3 entries read
INFO: ngram_model_dmp.c(407): 854 = LM.tseg_base entries read
INFO: ngram_model_dmp.c(463): 5001 = ascii word strings read
INFO: ngram_search_fwdtree.c(99): 788 unique initial diphones
INFO: ngram_search_fwdtree.c(147): 0 root, 0 non-root channels, 60 single-phone words
INFO: ngram_search_fwdtree.c(186): Creating search tree
INFO: ngram_search_fwdtree.c(191): before: 0 root, 0 non-root channels, 60 single-phone words
INFO: ngram_search_fwdtree.c(326): after: max nonroot chan increased to 13428
INFO: ngram_search_fwdtree.c(338): after: 457 root, 13300 non-root channels, 26 single-phone words
INFO: ngram_search_fwdflat.c(156): fwdflat: min_ef_width = 4, max_sf_win = 25
INFO: continuous.c(371): pocketsphinx_continuous COMPILED ON: May 11 2016, AT: 01:08:03
INFO: ngram_search.c(474): Resized backpointer table to 10000 entries
INFO: ngram_search.c(482): Resized score stack to 200000 entries
INFO: cmn_prior.c(121): cmn_prior_update: from < 56.00 -3.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 >
INFO: cmn_prior.c(139): cmn_prior_update: to < 40.70 3.65 2.47 -0.18 1.26 0.52 0.85 0.40 -0.07 0.56 0.30 0.10 0.59 >
INFO: ngram_search_fwdtree.c(1549): 6629 words recognized (25/fr)
INFO: ngram_search_fwdtree.c(1551): 960065 senones evaluated (3609/fr)
INFO: ngram_search_fwdtree.c(1553): 1491379 channels searched (5606/fr), 119734 1st, 172330 last
INFO: ngram_search_fwdtree.c(1557): 12770 words for which last channels evaluated (48/fr)
INFO: ngram_search_fwdtree.c(1560): 165129 candidate words for entering last phone (620/fr)
INFO: ngram_search_fwdtree.c(1562): fwdtree 4.05 CPU 1.523 xRT
INFO: ngram_search_fwdtree.c(1565): fwdtree 4.10 wall 1.541 xRT
INFO: ngram_search_fwdflat.c(302): Utterance vocabulary contains 146 words
INFO: ngram_search_fwdflat.c(937): 3683 words recognized (14/fr)
INFO: ngram_search_fwdflat.c(939): 249390 senones evaluated (938/fr)
INFO: ngram_search_fwdflat.c(941): 324546 channels searched (1220/fr)
INFO: ngram_search_fwdflat.c(943): 16896 words searched (63/fr)
INFO: ngram_search_fwdflat.c(945): 9422 word transitions (35/fr)
INFO: ngram_search_fwdflat.c(948): fwdflat 0.55 CPU 0.207 xRT
INFO: ngram_search_fwdflat.c(951): fwdflat 0.56 wall 0.211 xRT
INFO: ngram_search.c(1214): </s> not found in last frame, using <sil>.264 instead
INFO: ngram_search.c(1266): lattice start node <s>.0 end node <sil>.236
INFO: ngram_search.c(1294): Eliminated 17 nodes before end node
INFO: ngram_search.c(1399): Lattice has 317 nodes, 715 links
INFO: ps_lattice.c(1365): Normalizer P(O) = alpha(<sil>:236:264) = -1833242
INFO: ps_lattice.c(1403): Joint P(O,S) = -1847205 P(S|O) = -13963
INFO: ngram_search.c(888): bestpath 0.05 CPU 0.019 xRT
INFO: ngram_search.c(891): bestpath 0.06 wall 0.021 xRT
000000000: who do
INFO: ngram_search_fwdtree.c(430): TOTAL fwdtree 4.05 CPU 1.528 xRT
INFO: ngram_search_fwdtree.c(433): TOTAL fwdtree 4.10 wall 1.547 xRT
INFO: ngram_search_fwdflat.c(174): TOTAL fwdflat 0.55 CPU 0.208 xRT
INFO: ngram_search_fwdflat.c(177): TOTAL fwdflat 0.56 wall 0.212 xRT
INFO: ngram_search.c(317): TOTAL bestpath 0.05 CPU 0.019 xRT
INFO: ngram_search.c(320): TOTAL bestpath 0.06 wall 0.021 xRT
答案1
要禁用 pocketsphinx 的调试输出，请添加一个选项-logfn /dev/null，然后 pocketsphinx 将仅打印解码后的文本，在您的情况下它将打印
000000000: who do