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ããã以éã«é¢ãã¦ã¯ãRaspberry Piã®åºæ¬çãªã»ããã¢ããå®äºããå¾ãUSBãã¤ã¯ã¨ã¹ãã¼ã«ãæ¥ç¶ãã¦ããèµ·åãã¦ããåæã§è§£èª¬ãã¾ããå®å®èªãç¶ãã®ã§èå³ãã人ã ãç¶ããèªããã¯ãªãã¯ä¸ããã
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ãæåã«é³å£°å ¥åï¼USBãã¤ã¯ï¼ã®è¨å®ãè¡ãã¾ããRaspberry Piãèµ·åãã¦USBãã¤ã¯ãRaspberry Piã®USBãã¼ãã«æ¥ç¶ãããã以ä¸ã³ãã³ããå®è¡ãã¾ãããã
$ lsusb
ã以ä¸ã®ãããªæåãããããã£ã¨ã§ã¦ãã¾ãããã¤ã¯ã£ã½ãã®ããã£ããOKãä¸ã®ä¾ã ã¨Bus 001 Device 005: ID 0d8c:0134 C-Media Electronics, Inc.
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Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. Bus 001 Device 004: ID 0411:01ee BUFFALO INC. (formerly MelCo., Inc.) WLI-UC-GNM2 Wireless LAN Adapter [Ralink RT3070] Bus 001 Device 005: ID 0d8c:0134 C-Media Electronics, Inc.
ã次ã«ä»¥ä¸ã³ãã³ãã§USBãªã¼ãã£ãªã¢ããã¿ã®åªå 度ã以ä¸ã³ãã³ãã§ç¢ºèªãã¾ãã
$ cat /proc/asound/modules
ãå®è¡çµæã¯ä»¥ä¸ã¨ãªãã¾ãã
0 snd_bcm2835 1 snd_usb_audio
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度é«ãã®ã§ãããã§ã¯ãusbãªã¼ãã£ãªã¢ããã¿snd_usb_audio
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é ä½ãä½ããã¨ããããã¾ããè¨å®ãã¡ã¤ã«ãå¤æ´ãã¦ãåªå
度ãå¤æ´ãã¦ããã¾ãããã以ä¸ã³ãã³ãã§è¨å®ãã¡ã¤ã«ãä½æãã¾ãï¼Raspbianã®Jessieã®ãã¼ã¸ã§ã³ããã¯ããã¡ã¤ã«å¤æ´ã§ãªãæ°è¦ä½æã®å¿
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$ sudo vi /etc/modprobe.d/alsa-base.conf
ããã¡ã¤ã«ã®ä¸èº«ã¯ä»¥ä¸ããã®ã¾ã¾ã³ãããã¦ãã ãããoptions snd-usb-audio index=-2
ãoptions snd-usb-audio index=0
ã«æ¸ãæãã以ä¸ã¿ãããªæãã
options snd slots=snd_usb_audio,snd_bcm2835 options snd_usb_audio index=0 options snd_bcm2835 index=1
ã以ä¸ã³ãã³ãã§åèµ·åãã¦è¨å®ãæå¹ã«ãã¾ãããã
$ sudo shutdown -r now
ãåã³USBãªã¼ãã£ãªã¢ããã¿ã®åªå 度ã確èªãã¾ãããã
$ cat /proc/asound/modules
ãä¸è¨ã®ããã«è¡¨ç¤ºãããã°ãUSBãªã¼ãã£ãªã¢ããã¿ãã¡ããã¨åªå ããã¦ãã¾ã
0 snd_usb_audio 1 snd_bcm2835
ã次ã«ã以ä¸ã³ãã³ãå®è¡ãã¦ãã¤ã¯ã®æ度ã調æ´ãã¾ãã
$ amixer sset Mic 50 -c 0
ãã³ãã³ãã®æå¾ã®-c 0
ã¯ã«ã¼ããã³ãã§ããææ°ã®ãã¼ã¸ã§ã³ã ã¨ãããã¤ããªãã¨amixer: Unable to find simple control 'Mic', 0
ã¨ããã¨ã©ã¼ãçºçãã¦åãã¾ããã§ããã詳ããã¯ä»¥ä¸ã®ãµã¤ããåèã«ãªãã¾ããã
ãMic
ã®å¾ã®æ°åï¼ä¸ã®ä¾ã ã¨50
ï¼ã¯ãã¤ã¯ã«å¿ãã¦é©å®èª¿æ´ãã¾ããããå®è¡ããã¨åºã¦ãã表示ã®æå¾ã® [81%]
ã¨ããã®ãæ度ã§ããèªåã®å ´åã¯80%ãããã ã¨ã¡ããã©è¯ãæãã§ããã
Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum Capture channels: Mono Limits: Capture 0 - 62 Mono: Capture 50 [81%] [16.59dB] [on]
ãé³å£°åºåã«é¢ãã¦ã¯ãã好ããªã¹ãã¼ã«ãRaspberry Piã®ã¢ããã°åºåã«æ¥ç¶ãã¦ãããã°OKã§ããã¤ã¤ãã³ãªã©ã§ã大ä¸å¤«ã§ãã
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arecord -l
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**** ãã¼ãã¦ã§ã¢ããã¤ã¹ CAPTURE ã®ãªã¹ã **** ã«ã¼ã 0: Device [USB PnP Audio Device], ããã¤ã¹ 0: USB Audio [USB Audio] ãµãããã¤ã¹: 1/1 ãµãããã¤ã¹ #0: subdevice #0
ãé³å£°é²é³ã®ã³ãã³ãã®ããã¤ã¹ã¯-D plughw
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$ arecord -D plughw:[card, device] -r 16000 -f S16_LE test.wav
ãä¾ãã°å
ã»ã©ã®å®è¡çµæããã¯ã [0,0]
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è¦ãããã¾ãããã£ã¦ä»¥ä¸ã®ã³ãã³ãã§test.wav
ã¨ãããã¡ã¤ã«ãé²é³ãããã¨ãã§ãã¾ããã³ãã³ããå®è¡ããå¾ããã¤ã¯ã«å£°ãå¹ãè¾¼ã¿ã¾ããããå¹ãè¾¼ã¿çµãã£ããCtrl+C
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$ arecord -D plughw:0,0 -r 16000 -f S16_LE test.wav
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$ aplay -l
ã以ä¸å®è¡çµæã§ã
**** ãã¼ãã¦ã§ã¢ããã¤ã¹ PLAYBACK ã®ãªã¹ã **** ã«ã¼ã 1: ALSA [bcm2835 ALSA], ããã¤ã¹ 0: bcm2835 ALSA [bcm2835 ALSA] ãµãããã¤ã¹: 8/8 ãµãããã¤ã¹ #0: subdevice #0 ãµãããã¤ã¹ #1: subdevice #1 ãµãããã¤ã¹ #2: subdevice #2 ãµãããã¤ã¹ #3: subdevice #3 ãµãããã¤ã¹ #4: subdevice #4 ãµãããã¤ã¹ #5: subdevice #5 ãµãããã¤ã¹ #6: subdevice #6 ãµãããã¤ã¹ #7: subdevice #7 ã«ã¼ã 1: ALSA [bcm2835 ALSA], ããã¤ã¹ 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] ãµãããã¤ã¹: 1/1 ãµãããã¤ã¹ #0: subdevice #0
ãé³å£°åºåã®ã³ãã³ãã¯ãä¾ãã°å ã»ã©é²é³ãããtest.wavãã¨ãããã¡ã¤ã«ãåçããå ´åã¯ä»¥ä¸ã®ãããªå½¢å¼ã¨ãªãã¾ãã
$ aplay -Dhw:[card, device] test.wav
ãä¾ãã°ä¸ã®å ´åã ã¨ã[1,0]
ãã¹ãã¼ã«åºåã®ãªã¼ãã£ãªã[1,1]
ãHDMIã®ãªã¼ãã£ãªã¨ãªãï¼ååããæ³åï¼ã®ã§ãã¹ãã¼ã«ããé³åºãããå ´åã¯ä»¥ä¸ã®ããã«å®è¡ãã¾ãã
$ aplay -Dhw:1,0 test.wav
ãèªåã®å£°ãèããã¦ãããOKã§ããåçã§ããªãå ´å㯠/boot/config.txt
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$ sudo vi /boot/config.txt
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#hdmi_drive=2
ã以ä¸ã®ããã«å¤æ´ãã¦ä¸ããã
hdmi_drive=1
ãhdmi_drive
ã¯HDMIã±ã¼ãã«ããé³å£°åºåããããããªããã¨ããè¨å®ã§ãHDMIã®é³å£°åºåã¯ä½¿ããªãä»åã®ã±ã¼ã¹ã¯hdmi_drive=1
ã§OKã¨ãªãã¾ããHDMIã®é³å£°åºåããå ´åã¯hdmi_drive=2
ã«è¨å®ããå¿
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ãRaspbianã®ãã¹ã¯ãããã§æä½ã§ãããªããå³ä¸ã®ã¹ãã¼ã«ã®ã¢ã¤ã³ã³ãå³ã¯ãªãã¯ãã¦ã以ä¸ã®ããã«Analog
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ãä¸è¨ã®ããã«è¨å®ãã¦ããã°ãããã©ã«ãã®é³å£°åºåè¨å®ãã©ã¤ã³ã¢ã¦ãã«ãªãã®ã§ãããã¤ã¹æå®ããªãã¦ã以ä¸ã®ã³ãã³ãã§åçã§ãã¾ãã
$ aplay test.wav
é³å£°èªèã½ããï¼Juliusï¼ãã¦ã³ãã¼ã
ãRaspberry Piã ã¨ããªã¼ã®é³å£°èªèã½ããã¯Juliusãè¯ãã¿ããã§ãï¼èªåãç¥ãéãã»ã¼ä¸æï¼ãåããã¦ããã£ã¯ãã¼ã·ã§ã³ã®å®è¡ãããããè¨è¿°ææ³é³å£°èªèãããããã¦ã³ãã¼ããã¦ããã®ãããã§ãããããµã¤ãã¯ä»¥ä¸ã§ãã®ã§ãææ°çã確èªãã¦ããã¨è¯ãã§ãã
GitHub - julius-speech/julius: Open-Source Large Vocabulary Continuous Speech Recognition Engine
ãJuliusã®ãµã¤ã
GitHub - julius-speech/julius: Open-Source Large Vocabulary Continuous Speech Recognition Engine
ããã£ã¯ãã¼ã·ã§ã³å®è¡ãããã®ãµã¤ã
GitHub - julius-speech/julius: Open-Source Large Vocabulary Continuous Speech Recognition Engine
ãè¨è¿°ææ³é³å£°èªèãããã®ãµã¤ã
ã以ä¸ã¯ãç¾æç¹ï¼2017å¹´6æï¼ã§ææ°ã®ãã¼ã¸ã§ã³ããã¦ã³ãã¼ããã¦ã¤ã³ã¹ãã¼ã«ããæ¹æ³ã§ããã½ããã¦ã§ã¢ãã¼ã¸ã§ã³ã«é¢ãã¦ã¯ãä¸è¨ãµã¤ãã§ææ°çã確èªããã®ãããã¨æãã¾ãã
Juliusã®ã¤ã³ã¹ãã¼ã«
ã以ä¸ã³ãã³ããå®è¡ããã°ããã¦ã³ãã¼ãã¨ã¤ã³ã¹ãã¼ã«ãã§ãã¾ããææ°ãã¼ã¸ã§ã³ããã¦ã³ãã¼ããããã¨ãã¯ãä¸çªæåã®ã³ãã³ããé©å®èªã¿æ¿ãã¦ãã ããã
$ wget --trust-server-names https://ja.osdn.net/projects/julius/downloads/66547/julius-4.4.2.tar.gz $ tar xvzf julius-4.4.2.tar.gz $ cd julius-4.4.2 $ ./configure $ make $ sudo make install
ãã£ã¯ãã¼ã·ã§ã³å®è¡ããããè¨è¿°ææ³é³å£°èªèãããã®ãã¦ã³ãã¼ã
ã以ä¸ã³ãã³ãã§ãã¦ã³ãã¼ãã§ãã¾ãã
$ mkdir ~/julius-kits $ cd ~/julius-kits $ wget --trust-server-names https://osdn.net/projects/julius/downloads/66544/dictation-kit-v4.4.zip $ unzip dictation-kit-v4.4.zip $ wget https://github.com/julius-speech/grammar-kit/archive/v4.3.1.zip $ unzip v4.3.1.zip
ããã ããã®ã¾ã¾é³å£°èªèå®è¡ãããã¨ããã¨Error: adin_oss: failed to open /dev/dsp
ã¨ããã¨ã©ã¼ãçºçããããã以ä¸ã³ãã³ããå®è¡ãã¦ããã¾ãããã
$ sudo modprobe snd-pcm-oss
ãåèµ·åãããã³ã«æ¯åä¸è¨ã³ãã³ãå®è¡ããã®ã大å¤ãªã®ã§ã以ä¸ãå®è¡ãã¦/etc/modules
ã«snd-pcm-oss
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$ sudo sh -c "echo snd-pcm-oss >> /etc/modules"
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ã以ä¸ã³ãã³ãå®è¡ããã¨é³å£°èªèã®ãã¢ãåä½ãã¾ãã
$ julius -C ~/julius-kits/dictation-kit-v4.4/main.jconf -C ~/julius-kits/dictation-kit-v4.4/am-gmm.jconf -nostrip
<<< please speak >>>
ã¨è¡¨ç¤ºãããããä¾ãã°ãããã«ã¡ã¯ãçã¨ããã¹ã£ã¦ä»¥ä¸ã®ããã«èªèãããã°OKã§ããåæ¢ãããã¨ãã¯Ctrl+C
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### read waveform input Stat: adin_oss: device name = /dev/dsp (application default) Stat: adin_oss: sampling rate = 16000Hz Stat: adin_oss: going to set latency to 50 msec Stat: adin_oss: audio I/O Latency = 32 msec (fragment size = 512 samples) STAT: AD-in thread created pass1_best: ããã«ã¡ã¯ ã pass1_best_wordseq: <s> ããã«ã¡ã¯+æåè© </s> pass1_best_phonemeseq: silB | k o N n i ch i w a | silE pass1_best_score: -2970.963867
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ã決ã¾ã£ãåèªã®ã¿èªèããããã«ãå°ç¨ã®è¾æ¸ãä½æãã¾ãããã
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$ vi recog.yomi
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ã以ä¸ã³ãã³ãã§ãè¾æ¸ãJuliusã§èªã¿è¾¼ããå½¢å¼ã«å¤æãã¾ãã
$ iconv -f utf8 -t eucjp recog.yomi | yomi2voca.pl > ~/julius-kits/dictation-kit-v4.4/recog.dic
ã次ã«ãjuliusã®è¨å®ãã¡ã¤ã«recog.jconf
ã以ä¸ã³ãã³ãã§ä½æãã¾ãããã
$ vim ~/julius-kits/dictation-kit-v4.4/recog.jconf
ããã¡ã¤ã«ã®å 容ã¯ä»¥ä¸ãã³ãããã¦ãã ãããããã§å°ç¨ã®è¾æ¸ãèªã¿è¾¼ãããã«ãªãã¾ããè¨å®å 容ã«é¢ãã¦ã¯ã以ä¸è¨äºãåèã«ããã¦ããã ãã¾ããã
-w recog.dic #åèªè¾æ¸ãã¡ã¤ã« -v model/lang_m/bccwj.60k.htkdic #N-gramãã¾ãã¯ææ³ç¨ã®åèªè¾æ¸ãã¡ã¤ã«ãæå®ãã -h model/phone_m/jnas-tri-3k16-gid.binhmm #使ç¨ããHMMå®ç¾©ãã¡ã¤ã« -hlist model/phone_m/logicalTri #HMMlistãã¡ã¤ã«ãæå®ãã -n 5 #nåã®æ仮説æ°ãè¦ã¤ããã¾ã§æ¤ç´¢ãè¡ã -output 1 #è¦ã¤ãã£ãN-beståè£ã®ãã¡ãçµæã¨ãã¦åºåããåæ° -input mic #ãã¤ã¯ä½¿ç¨ -input oss #ãªã¼ãã³ãµã¦ã³ãã·ã¹ãã ä½¿ç¨ -rejectshort 600 #æ¤åºãããå ¥åãé¾å¤ä»¥ä¸ãªãæ£å´ -charconv euc-jp utf8 #å ¥åºåã¨ã³ã³ã¼ãæå®(å é¨euc-jp, åºåutf-8) -lv 1000 #å ¥åã®æ¯å¹ ã¬ãã«ã®é¾å¤(0~32767)
ã以ä¸ã³ãã³ãã§ãå°ç¨ã®è¾æ¸ãèªã¿è¾¼ãè¨å®ã§juliusãèµ·åãã¾ã
$ julius -C ~/julius-kits/dictation-kit-v4.4/recog.jconf
ãè¾æ¸ã«ããè¨èããã¤ã¯ã«è©±ãã¦ä»¥ä¸ã®è¡¨ç¤ºãåºããOKã§ãã
<input rejected by short input> STAT: skip CMN parameter update since last input was invalid pass1_best: 檸檬ã¡ãã pass1_best_wordseq: 檸檬ã¡ãã pass1_best_phonemeseq: silB l e m o n c h a n silE pass1_best_score: -2330.755615 sentence1: 檸檬ã¡ãã wseq1: 檸檬ã¡ãã phseq1: silB l e m o n c h a n silE cmscore1: 1.000 score1: -2330.755615
ãä»ã®ã¢ããªã±ã¼ã·ã§ã³ããé³å£°èªèã使ãããã¨ãã¯ãjuliusãã¢ã¸ã¥ã¼ã«ã¢ã¼ãã§èµ°ãããå¿
è¦ãããã¾ããã¢ã¸ã¥ã¼ã«ã¢ã¼ãã«ããã«ã¯è¨å®ãã¡ã¤ã«ãå¤æ´ãã¾ãããã¡ã¤ã«ã以ä¸ã®ã³ãã³ãã§éããæ«å°¾1è¡ã«-module
ã追å ãã¦éãã¾ããã
$ vi ~/julius-kits/dictation-kit-v4.4/recog.jconf
ããã¨ã¯ä»¥ä¸ã®ã³ãã³ããå®è¡ããã¨ã¢ã¸ã¥ã¼ã«ã¢ã¼ãã§juliusãèµ·åãã¾ãã
$ julius -C ~/julius-kits/dictation-kit-v4.4/recog.jconf
ãã¢ã¸ã¥ã¼ã«ã¢ã¼ãã§ã®é³å£°èªèã®ä½¿ãæ¹ã¯ã以ä¸ã®ä¾ãªã©ãåèã«ãã¦ä¸ããã
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簡単にできる!音声認識と音声合成を使ってRaspberrypiと会話 - Qiita
Devel/電子工作/RaspberryPi/日本語音声認識 - cubic9.com
Devel/電子工作/irMagician/赤外線学習リモコンR2-D2 - cubic9.com
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