{"id":354,"date":"2018-02-23T00:05:28","date_gmt":"2018-02-22T15:05:28","guid":{"rendered":"http:\/\/windabaft.co.jp\/blog_ceo\/?p=354"},"modified":"2018-03-01T13:22:27","modified_gmt":"2018-03-01T04:22:27","slug":"ai%e3%82%b9%e3%83%94%e3%83%bc%e3%82%ab%e3%83%bc%e3%82%92raspberrypi%e3%81%a7%e4%bd%9c%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86%ef%bc%81%e6%ba%96%e5%82%99%e7%b7%a81","status":"publish","type":"post","link":"https:\/\/windabaft.co.jp\/blog_ceo\/?p=354","title":{"rendered":"AI\u30b9\u30d4\u30fc\u30ab\u30fc\u3092RaspberryPi\u3067\u4f5c\u3063\u3066\u307f\u3088\u3046\uff01\u6e96\u5099\u7de81"},"content":{"rendered":"

\u307e\u305a\u3001\u4e0b\u8a18\u3092\u7528\u610f
\n1. RaspberryPi\uff13\uff08element14 \u88fd\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u304c\uff32\uff33\u88fd\u3067\u3082\u307b\u307c\u540c\u3058\uff09
\n2. MicroUSB\u30b1\u30fc\u30d6\u30eb\uff08RaspberryPi\u3068USB AC\u30a2\u30c0\u30d7\u30bf\u3092\u7e4b\u3050\uff09
\n3. USB AC\u30a2\u30c0\u30d7\u30bf\uff08RaspberryPi\u3078\u306e5V\u96fb\u6e90\u4f9b\u7d66\uff09
\n4. USB\u30ad\u30fc\u30dc\u30fc\u30c9
\n5. USB\u30de\u30a6\u30b9
\n6. \u30b9\u30d4\u30fc\u30ab\u30fc\uff08\u30c0\u30a4\u30bd\u30fc\u306e300\u5186USB\u30b9\u30d4\u30fc\u30ab\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\uff09
\n7. \u30de\u30a4\u30af\uff08\u30a6\u30a7\u30d6\u30ab\u30e1\u30e9\u306e\u30de\u30a4\u30af\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\uff09
\n8. HDMI\u30b1\u30fc\u30d6\u30eb
\n9. \u30e2\u30cb\u30bf\uff08HDMI\u304c\u4f7f\u7528\u3067\u304d\u308b\u3082\u306e\uff09<\/p>\n

RaspberryPi3\u3078\u306eOS Raspbian\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306f\u3001\u30cd\u30c3\u30c8\u4e0a\u306b\u305f\u304f\u3055\u3093\u3042\u308b\u305f\u3081
\n\u5272\u611b\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n

\u305d\u308c\u3067\u306f\u3001\u4e0a\u8a18\u7528\u610f\u3057\u305f\u3082\u306e\u3092RaspberryPi\u306b\u30bb\u30c3\u30c8\u3057\u3001\u96fb\u6e90ON\uff08MicroUSB\u306b\u96fb\u6c17\u3092\u6d41\u3059\uff09
\n\u7121\u4e8b\u30e2\u30cb\u30bf\u306b\u4e0b\u8a18\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u305f\u3089\u8d77\u52d5\u5b8c\u4e86<\/p>\n

\"\"<\/a><\/p>\n

\u307e\u305a\u3001\u4eca\u56de\u306f\u30b9\u30d4\u30fc\u30ab\u30fc\u3068\u30de\u30a4\u30af\u306e\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u3066\u3001\u9332\u97f3\u30c6\u30b9\u30c8\u307e\u3067\u884c\u3044\u307e\u3059\u3002
\n\u3010\u30b9\u30d4\u30fc\u30ab\u30fc\u3011
\n\u30b9\u30d4\u30fc\u30ab\u30fc\u304c\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u304b\u3092aplay -l<\/span>\u3067\u78ba\u8a8d
\n\u30ab\u30fc\u30c9\u756a\u53f70\u3001\u30c7\u30d0\u30a4\u30b9\u756a\u53f70\u306b\u30b9\u30d4\u30fc\u30ab\u30fc\u304c\u8a8d\u8b58<\/span>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

pi@raspberrypi:~ $ aplay -l\t\t\t\t\t\t\t\r\n**** List of PLAYBACK Hardware Devices ****\t\t\t\t\t\t\t\r\ncard 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]\t\t\t\t\t\t\t\r\nSubdevices: 8\/8\t\t\t\t\t\t\t\r\nSubdevice #0: subdevice #0\t\t\t\t\t\t\t\r\nSubdevice #1: subdevice #1\t\t\t\t\t\t\t\r\nSubdevice #2: subdevice #2\t\t\t\t\t\t\t\r\nSubdevice #3: subdevice #3\t\t\t\t\t\t\t\r\nSubdevice #4: subdevice #4\t\t\t\t\t\t\t\r\nSubdevice #5: subdevice #5\t\t\t\t\t\t\t\r\nSubdevice #6: subdevice #6\t\t\t\t\t\t\t\r\nSubdevice #7: subdevice #7\t\t\t\t\t\t\t\r\ncard 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC95\t8\/HD\tMI]\t\t\t\t\t\r\nSubdevices: 1\/1\t\t\t\t\t\t\t\r\nSubdevice #0: subdevice #0<\/pre>\n
\u6b21\u306b\u97f3\u58f0\u3092\u51fa\u3057\u3066\u3001\u97f3\u58f0\u78ba\u8a8d\u3092\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30d5\u30ed\u30f3\u30c8\u30bb\u30f3\u30bf\u30fc\u3068\u805e\u3053\u3048\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
pi@raspberrypi:~ $ aplay \/usr\/share\/sounds\/alsa\/Front_Center.wav\t\t\t\t\t\t\t\r\nPlaying WAVE '\/usr\/share\/sounds\/alsa\/Front_Center.wav' : Signed 16\tbit\tLittle\tEndian,\tRate\t48000\tHz,\tMono\r\n<\/pre>\n
\u3010\u30de\u30a4\u30af\u3011
\n\u30de\u30a4\u30af\u306b\u3064\u3044\u3066\u306f\u624b\u6301\u3061\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u30a6\u30a7\u30d6\u30ab\u30e1\u30e9\u306b\u57cb\u3081\u8fbc\u3081\u308c\u3066\u3044\u308b\u30de\u30a4\u30af\u3092\u6d41\u7528\u3057\u307e\u3059\u3002
\n\u30b9\u30d4\u30fc\u30ab\u30fc\u304c\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u304b\u3092arecord -l<\/span>\u3067\u78ba\u8a8d\u3002
\n\u30ab\u30fc\u30c9\u756a\u53f71\u3001\u30c7\u30d0\u30a4\u30b9\u756a\u53f70\u306b\u30de\u30a4\u30af\u304c\u8a8d\u8b58<\/span>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
pi@raspberrypi:~ $ arecord -l\t\t\t\t\t\t\t\r\n**** List of CAPTURE Hardware Devices ****\t\t\t\t\t\t\t\r\ncard 1: Camera [PC Camera], device 0: USB Audio [USB Audio]\t\t\t\t\t\t\t\r\nSubdevices: 1\/1\t\t\t\t\t\t\t\r\nSubdevice #0: subdevice #0<\/pre>\n
\u3053\u3053\u3067\u3001\u97f3\u58f0\u3092\u9332\u97f3\u3057\u3088\u3046\u3068<\/p>\n
pi@raspberrypi:~ $ arecord test.wav\t\t\t\t\t\t\t\r\narecord: main:788: audio open error: No such file or directory<\/pre>\n
\u3068\u3057\u3066\u3082\u3001\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3010\u9332\u97f3\u3011\u4e0b\u8a18\u306e\u3088\u3046\u306b\u9332\u97f3(4\u79d2\uff09\u3057\u3066\u307f\u307e\u3059<\/p>\n
arecord -D plughw:(\u30ab\u30fc\u30c9\u756a\u53f7),(\u30c7\u30d0\u30a4\u30b9\u756a\u53f7), -d (\u79d2\u6570) -f (\u30b5\u30f3\u30d7\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8) (\u30d5\u30a1\u30a4\u30eb\u540d)<\/span><\/p>\n
pi@raspberrypi:~ $ arecord -D plughw:1,0 -d 4 -f cd test.wav\r\nRecording\u3000WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo\r\n<\/pre>\n
\u3061\u306a\u307f\u306barecord\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u610f\u5473\u306f\u4e0b\u8a18\u3001\u4ed6\u306b\u3082\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308b\u306e\u3067\u3001-h\u3067\u30d8\u30eb\u30d7\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044
\n\u3010arecord\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u4e00\u90e8\uff09\u3011
\n-l : \u5168\u3066\u306e\u30b5\u30a6\u30f3\u30c9\u30ab\u30fc\u30c9\u3068\u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30d0\u30a4\u30b9\u306e\u756a\u53f7\u3092\u8868\u793a\u3059\u308b
\n-D : \u4f7f\u7528\u3059\u308bPCM\u3092\u6307\u5b9a\u3059\u308b
\n-d : \u6307\u5b9a\u306e\u79d2\u6570\u5f8c\u306b\u7d42\u4e86\u3059\u308b
\n-f : \u30b5\u30f3\u30d7\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\uff08\u4e0b\u8a18\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\uff09
\n-f cd (16bit little endian, 44100, streo)
\n-f cdr (16bit big endian, 44100, streo)
\n-f dat (16bit little endian, 48000, streo)
\n-h : \u30d8\u30eb\u30d7\u3092\u8868\u793a\u3059\u308b<\/p>\n
\u3010\u30de\u30a4\u30af\u30dc\u30ea\u30e5\u30fc\u30e0\u8abf\u7bc0\u3011\u30de\u30a4\u30af\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8abf\u7bc0\u3057\u307e\u3059<\/p>\n
\u307e\u305a\u306f\u73fe\u72b6\u306e\u30de\u30a4\u30af(\u30b7\u30f3\u30d7\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u540d ‘Mic’ )\u306e\u8a2d\u5b9a\u97f3\u91cf\u3092\u78ba\u8a8d\u3002
\n$ amixer -c 1\u00a0sget\u00a0Mic<\/span>
\n\u203b(-c \u3067\u30ab\u30fc\u30c9\u756a\u53f7\u3092\u6307\u5b9a<\/span>)<\/p>\n
pi@raspberrypi:~ $ amixer sget Mic -c 1\t\t\t\t\t\t\t\r\nSimple mixer control 'Mic',0\t\t\t\t\t\t\t\r\nCapabilities: cvolume cvolume-joined cswitch cswitch-joined\t\t\t\t\t\t\t\r\nCapture channels: Mono\t\t\t\t\t\t\t\r\nLimits: Capture 0 - 3\t\t\t\t\t\t\t\r\nMono: Capture 0 [0%] [30.00dB] [on]<\/pre>\n
0%\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u300160%\u3078\u3068\u5909\u66f4\u3057\u3066\u307f\u308b<\/p>\n
$ amixer<\/span> -c 1 sset Mic 60%<\/span><\/p>\n
pi@raspberrypi:~ $ amixer -c 1 sset Mic 60%\t\t\t\t\t\t\t\r\nSimple mixer control 'Mic',0\t\t\t\t\t\t\t\r\nCapabilities: cvolume cvolume-joined cswitch cswitch-joined\t\t\t\t\t\t\t\r\nCapture channels: Mono\t\t\t\t\t\t\t\r\nLimits: Capture 0 - 3\t\t\t\t\t\t\t\r\nMono: Capture 0 [67%] [50.00dB] [on]<\/pre>\n
\u3068\u306a\u308a67\uff05\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
60\uff05\u6307\u5b9a\u3057\u305f\u306e\u306b67\uff05\u306b\u306a\u3063\u305f\u7406\u7531\u306f\u3001\u4eca\u56de\u4f7f\u7528\u3057\u305f\u30a6\u30a7\u30d6\u30ab\u30e1\u30e9\u306e\u30de\u30a4\u30af\u304c4\u6bb5\u968e\u3057\u304b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u306a\u3044\u3082\u306e\u306e\u305f\u3081\u30010\uff05\u21d233\uff05\u21d267\uff05\u21d2100\uff05\u306e\u30ec\u30d9\u30eb\u3067\u3057\u304b\u8a2d\u5b9a\u3067\u304d\u306a\u3044\u4e8b\u304c\u7406\u7531\u3002<\/p>\n
\u7e70\u308a\u4e0a\u3052\u3067\u8a2d\u5b9a\u3055\u308c\u308b\u306e\u3067\u3001\u3082\u305770\uff05\u3068\u6307\u5b9a\u3057\u305f\u3089100\uff05\u306b\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u201d-c\u201d \u3067\u30de\u30a4\u30af\u306e\u30ab\u30fc\u30c9\u756a\u53f7\u3092\u6307\u5b9a\u3057\u3066\u3001 \u201dsset\u201d\u3067\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u8abf\u6574\u3057\u307e\u3059<\/span>\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u540c\u3058\u3088\u3046\u306b\u30b9\u30d4\u30fc\u30ab\u30fc\u3082\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059<\/span>\u3002<\/p>\n
\u30b9\u30d4\u30fc\u30ab\u30fc(\u30b7\u30f3\u30d7\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u540d ‘PCM’\u3001\u30ab\u30fc\u30c9\u756a\u53f70 )\u306e\u97f3\u91cf\u3092\u78ba\u8a8d
\n$ amixer -c 0 sget PCM<\/span><\/p>\n
\u30b9\u30d4\u30fc\u30ab\u30fc(\u30b7\u30f3\u30d7\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u540d ‘PCM’ )\u306e\u97f3\u91cf\u3092 50% \u306b\u8a2d\u5b9a\u3059\u308b
\n$ amixer -c 0 sset PCM 50%<\/span><\/p>\n
\u305f\u3060\u3001\u30b9\u30d4\u30fc\u30ab\u30fc\u306f\u4e0b\u8a18\u3092\u4f7f\u3046\u3068GUI\u3067\u30ad\u30fc\u306e\u4e0a\u4e0b\u64cd\u4f5c\u3067\u7c21\u5358\u306b\u97f3\u91cf\u8abf\u6574\u3067\u304d\u307e\u3059<\/p>\n
alsamixer \/\/Esc\u3067\u8a2d\u5b9a\u304c\u4fdd\u5b58\u3055\u308c\u3001\u5143\u306e\u753b\u9762\u306b\u623b\u308a\u307e\u3059<\/pre>\n
 <\/p>\n
\u3010\u30de\u30a4\u30af\u306e\u97f3\u3092\u305d\u306e\u307e\u307e\u30b9\u30d4\u30fc\u30ab\u30fc\u304b\u3089\u51fa\u529b\u3059\u308b\u3011<\/p>\n
arecord | aplay
\n\u3067\u306f\u30a8\u30e9\u30fc\u3068\u306a\u308b\u306e\u3067\u3001\u4e0b\u8a18\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30cf\u30a6\u30ea\u30f3\u30b0\u304c\u3067\u307e\u3059\u304c\u9332\u97f3\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u305b\u305a\u306b
\n\u30de\u30a4\u30af\u306e\u97f3\u304c\u305d\u306e\u307e\u307e\u30b9\u30d4\u30fc\u30ab\u30fc\u3088\u308a\u51fa\u529b\u3055\u308c\u307e\u3059<\/p>\n
arecord -f cd -D plughw:1 | aplay -D hw:0\r\n\u203bCtrl+C\u3067\u7d42\u4e86\u3057\u307e\u3059\u3002<\/pre>\n
\u3061\u306a\u307f\u306bplug\u3092\u3064\u3051\u306a\u3044\u3068\u3001\u30e2\u30ce\u30e9\u30eb\u97f3\u58f0\u306f\u518d\u751f\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002
\n\u306a\u306e\u3067\u30ea\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u884c\u3046”plug”\u3092\u30c7\u30d0\u30a4\u30b9\u306e\u524d\u306b\u3064\u3051\u3066\u89e3\u6d88\u3057\u307e\u3057\u3087\u3046<\/p>\n
plug\u3092\u3064\u3051\u308b\u3068\u6307\u5b9a\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306b\u306a\u308b\u3088\u3046\u81ea\u52d5\u3067\u30ea\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u51e6\u7406\u3092\u884c\u3063\u3066\u304f\u308c\u307e\u3059\u3002
\n\u305f\u3060\u3001\u30cf\u30a6\u30ea\u30f3\u30b0\u306f\u3051\u3063\u3053\u3046\u3072\u3069\u304b\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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