インターネットラジオ接続
この間、秋月電子へ行ったときに、Raspberry Pi 等と一緒にヘッドホンアンプキットを購入してきた。
http://akizukidenshi.com/catalog/g/gK-12309/
自分でハンダを使って組み立ててみた。
で、自宅にあった 100 円ショップのミニスピーカーを Raspberry Pi に接続。
なにか音源は……と思って、思いつきで Raspberry Pi からインターネットラジオに接続。
接続先は、適当にググって見つけたサイト。
$ sudo apt-get update $ sudo apt-get install mplayer $ mplayer -playlist http://yp.shoutcast.com/sbin/tunein-station.m3u?id=1236022
うん、アンプの有り/無しで結構違うもんだね。
しばらく放置してたら、いつの間にかエラーを吐いて停止してた。
……ん、なんだ?
と思って、今日は耐久テストをしてみた。
朝、アプリを起動して、帰宅しても、まだ局は流れてた。
次のような曲を、延々と流していたらしい。
ICY Info: StreamTitle='Koizumi Kyoko - 03 Yasashii Ame'; ICY Info: StreamTitle='Kuboh Ruriko - 06 reduce'; ICY Info: StreamTitle='Kado Asami - 12 Blue'; ICY Info: StreamTitle='ZARD - 04 Makenaide'; ICY Info: StreamTitle='Matsutouya Yumi - 15 Navigator'; ICY Info: StreamTitle='Amuro Namie - 06 How to be a Girl'; ICY Info: StreamTitle='Ota Hiromi - 01 Kimi to Aruita Seishun'; ICY Info: StreamTitle='Agata Morio - 12 Haru no Arashi no Yoru no Tejinashi'; ICY Info: StreamTitle='Ushirogami Hikaretai - 10 Shiokaze no Maigo'; ICY Info: StreamTitle='Nagabuchi Tsuyoshi - 08 Gyakuryu'; ICY Info: StreamTitle='BORO - 08 Osaka de Umareta Onna'; ICY Info: StreamTitle='Makihara Noriyuki - 01 NG'; ICY Info: StreamTitle='Kahara Tomomi - 08 Tanoshiku Tanoshiku Yasashikune'; ICY Info: StreamTitle='Hysteric Blue - 01 Rush'; ICY Info: StreamTitle='Kai Band - 10 Beautiful Energy'; ICY Info: StreamTitle='GODIEGO - 09 THREE YEARS OF LOVE'; ICY Info: StreamTitle='FUKUMIMI - 01 Hoshinokakera wo Sagashini Ikou Again'; ICY Info: StreamTitle='Fukuyama Masaharu - 06 MELODY'; ICY Info: StreamTitle='Ohguro Maki - 05 Unballance'; ICY Info: StreamTitle='Makihara Noriyuki - 14 Hungry Spider'; ICY Info: StreamTitle='Go Hiromi - 16 Ienaiyo'; ICY Info: StreamTitle='Baisho Chieko - 09 Wasurenagusa wo Anata ni'; ICY Info: StreamTitle='Matsu Takako - 05 Sakura Fuwari'; ICY Info: StreamTitle='Sera Masanori and TWIST - 07 Love Song please listen to my son'; ICY Info: StreamTitle='Kurata Mariko - 12 Kanashimi no Poesia'; ICY Info: StreamTitle='Nagai Ryuun - 08 Yomigaeru Natsu'; ICY Info: StreamTitle='Koshi Miharu - 11 Ave Maria'; ICY Info: StreamTitle='Kaientai - 03 Seien'; ICY Info: StreamTitle='TWO MIX - 02 RHYTHM GENERATION'; ICY Info: StreamTitle='DEEN - 04 Konomama Kimidake wo Ubaisaritai'; ICY Info: StreamTitle='Southern All Stars - 14 Kibou no Wadachi'; ICY Info: StreamTitle='Tahara Toshihiko - 07 Kakko Tsukanaine'; ICY Info: StreamTitle='Kurata Mariko - 13 Canaria'; ICY Info: StreamTitle='HOUND DOG - 14 BRIDGE Ano Hashi wo Watarutoki'; ICY Info: StreamTitle='Suzuki Kiyomi - 01 TAXI'; ICY Info: StreamTitle='KANAE - 05 Kono Hoshi ga Haterumade'; ICY Info: StreamTitle='Morning Musume - 08 Memory Seishun no Hikari'; ICY Info: StreamTitle='Takeuchi Mariya - 04 Ichigo no Yuuwaku'; ICY Info: StreamTitle='CHAGE and ASKA - 10 MOON LIGHT BLUES'; ICY Info: StreamTitle='H2O - 04 Loreley'; ICY Info: StreamTitle='Billy Banban - 21 YOKOHAMA ni Kane ga naru'; ICY Info: StreamTitle='NSP - 13 Chante no Machi'; ICY Info: StreamTitle='THE BOOM - 01 Kimiwa TVkko'; ICY Info: StreamTitle='Sakagami Jiro - 03 Gakkou no Sensei'; ICY Info: StreamTitle='hitomi - 08 there is'; ICY Info: StreamTitle='Takeuchi Mariya - 05 September'; ICY Info: StreamTitle='Nagabuchi Tsuyoshi - 13 Yoimachigusa'; ICY Info: StreamTitle='Matsutouya Yumi - 12 Yukidayori'; ICY Info: StreamTitle='Koizumi Kyoko - 03 Hitori Machikado'; ICY Info: StreamTitle='Takano Hiroshi - 15 Besten Dank'; ICY Info: StreamTitle='Minami Saori - 09 Tomodachi'; ICY Info: StreamTitle='Off Course - 02 Bokura no Jidai'; ICY Info: StreamTitle='globe - 14 Perfume of love'; ICY Info: StreamTitle='Sano Motoharu - 06 Glass no Generation'; ICY Info: StreamTitle='Ohashi Junko - 16 LOST LOVE Ai no Odoriba'; ICY Info: StreamTitle='Kawashima Eigo - 15 Tabi no Tojyo'; ICY Info: StreamTitle='Koyama Takuji - 12 Blind Love'; ICY Info: StreamTitle='Inaba Akira - 06 Wakatte Kudasai'; ICY Info: StreamTitle='Hamada Shogo - 01 Kaze wo Kanjite'; ICY Info: StreamTitle='TUBE - 08 Ah Natsuyasumi'; ICY Info: StreamTitle='Anzen Chitai - 07 Juliet'; ICY Info: StreamTitle='Hirosue Ryoko - 06 Ashita e'; ICY Info: StreamTitle='TMN - 08 Love Train'; ICY Info: StreamTitle='Tagawa Yosuke - 14 Lui Lui'; ICY Info: StreamTitle='Katahira Nagisa - 12 Jyunai'; ICY Info: StreamTitle='Moriguchi Hiroko - 05 Motto Umaku Suki to Ietanara'; ICY Info: StreamTitle='The Lilies - 14 Hatsukoi Slalom'; ICY Info: StreamTitle='Hashidanorihiko to Climax - 04 Hanayome'; ICY Info: StreamTitle='CHECKERS - 14 Room'; ICY Info: StreamTitle='Iwai Sayuri - 09 Koi no American Patrol'; ICY Info: StreamTitle='Ota Hiromi - 07 Virgin kara Hajimeyou'; ICY Info: StreamTitle='Sawada Kenji - 06 YAMATO yori Ai wo Komete'; ICY Info: StreamTitle='CHA CHA - 09 Beginning'; ICY Info: StreamTitle='Fukuyama Kenzo - 09 Ai wo Kureyo'; ICY Info: StreamTitle='SHIBUGAKITAI - 12 Hangyaku no Agitation'; ICY Info: StreamTitle='TRF - 10 Overnight Sensation Jidai wa Anata ni Yudaneteru'; ICY Info: StreamTitle='GODIEGO - 07 PORTPIA English Version'; ICY Info: StreamTitle='Kaientai - 10 Hito to Shite'; ICY Info: StreamTitle='Sano Motoharu - 06 Boku wa Otana ni Natta'; ICY Info: StreamTitle='Ken Naoko - 11 REVIVAL'; ICY Info: StreamTitle='access - 01 VIRGIN EMOTION'; ICY Info: StreamTitle='Suita Asuka - 03 Futari wa Magic'; ICY Info: StreamTitle='Kusunose Seishiro - 02 Takarajima TREASURE ISLAND'; ICY Info: StreamTitle='ZIGGY - 05 GLORIA'; ICY Info: StreamTitle='Yamashita Tatsuro - 02 Sprinkler'; ICY Info: StreamTitle='Iwamura Minoru - 13 Kaasan no Meinichi'; ICY Info: StreamTitle='MOON CHILD - 11 Hallelujah in the snow'; ICY Info: StreamTitle='Ishikawa Hidemi - 01 Yousei Jidai'; ICY Info: StreamTitle='Naito Yasuko - 18 Single Again'; ICY Info: StreamTitle='20th Century - 2-09 You ll Be In My Heart'; ICY Info: StreamTitle='Oda Kazumasa - 08 Itsuka Dokokade'; ICY Info: StreamTitle='Kinouchi Midori - 13 Yokohama Eleven'; ICY Info: StreamTitle='Oda Kazumasa - 14 Toi Umibe'; ICY Info: StreamTitle='Oda Kazumasa - 07 Anata wo Mitsumete'; ICY Info: StreamTitle='Itsuwa Mayumi - 06 Dakishimete Ai wa Yume no Youni'; ICY Info: StreamTitle='Kisugi Takao - 05 Kibun wa Gyaku Kousen'; ICY Info: StreamTitle='Miku Reika - 12 Umi to Anata no Monogatari'; ICY Info: StreamTitle='Ohashi Junko - 11 Moetsukite'; ICY Info: StreamTitle='Iwasaki Hiromi - 17 Saisho no Koibitotachi'; ICY Info: StreamTitle='Terao Akira - 13 Sabaku'; ICY Info: StreamTitle='Han Bun Jak - 06 Anata ga Nikumenai'; ICY Info: StreamTitle='HOUND DOG - 05 Across The Rainbow'; ICY Info: StreamTitle='Fujii Fumiya - 12 Go the Distance'; ICY Info: StreamTitle='Matsuyama Chiharu - 14 Ohinaru Ai yo Yume yo'; ICY Info: StreamTitle='Murashita Kozo - 11 Kinjirareta Asobi'; ICY Info: StreamTitle='CCB - 10 Dakishimetai'; ICY Info: StreamTitle='Sakai Noriko - 13 Chouchou'; ICY Info: StreamTitle='Kaze - 15 Yoru no Kokudou'; ICY Info: StreamTitle='Banba Hirofumi - 13 Sokutatsu'; ICY Info: StreamTitle='Kuroyume - 11 For Dear'; ICY Info: StreamTitle='Hirose Kohmi - 09 Pianissimo'; ICY Info: StreamTitle='Da Capo - 07 Moeru Nikki'; ICY Info: StreamTitle='Tokunaga Hideaki - 06 Kagayakinagara'; ICY Info: StreamTitle='Anzen Chitai - 03 On My Way'; ICY Info: StreamTitle='Aikawa Nanase - 03 LIKE A HARD RAIN'; ICY Info: StreamTitle='Fukinotou - 05 Giniro no Sekai'; ICY Info: StreamTitle='Banba Hirofumi - 18 Tasogare Monogatari'; ICY Info: StreamTitle='Ann Lewis - 12 Tenshi yo Kokyo wo Miyo'; ICY Info: StreamTitle='Suzuki Masayuki - 07 Glass Goshi ni Kieta Natsu'; ICY Info: StreamTitle='Grape - 10 Egao Doufuu'; ICY Info: StreamTitle='Nakamori Akina - 07 AL MAUJ'; ICY Info: StreamTitle='Inoue Yosui - 13 Make up Shadow'; ICY Info: StreamTitle='Alice - 07 Saraba Seishun no Toki'; ICY Info: StreamTitle='CCB - 13 Love Is Magic'; ICY Info: StreamTitle='Komekome Club - 02 Roman Hikou'; ICY Info: StreamTitle='globe - 10 FREEDOM'; ICY Info: StreamTitle='Ishikawa Yuko - 14 Cinderella Summer'; ICY Info: StreamTitle='TM NETWORK - 02 SEVEN DAYS WAR'; ICY Info: StreamTitle='Fubuki Jun - 13 Futari no Hodo'; ICY Info: StreamTitle='PRINCESS PRINCESS - 03 GET CRAZY'; ICY Info: StreamTitle='Loudness - 01 Speed'; ICY Info: StreamTitle='Imai Miki - 09 Bluebird'; ICY Info: StreamTitle='Fukuyama Masaharu - 10 Marcy s Song'; ICY Info: StreamTitle='Koshi Miharu - 17 Nobara'; ICY Info: StreamTitle='Kai Band - 19 LADY'; ICY Info: StreamTitle='Ohashi Junko - 17 Natsu Onna Sonia'; ICY Info: StreamTitle='Sakurada Junko - 12 Hatachi ni Nareba'; ICY Info: StreamTitle='Carmen Maki and OZ - 12 Love Song wo Utau Mae ni'; ICY Info: StreamTitle='Kikuchi Momoko - 12 Ivory Coast'; ICY Info: StreamTitle='Kudou Shizuka - 01 Kuchibiru kara Biyaku'; ICY Info: StreamTitle='Matsuyama Chiharu - 05 Nagai Yoru'; ICY Info: StreamTitle='JUDY AND MARY - 05 BLUE TEARS'; ICY Info: StreamTitle='Marilyn - 21 LOVE ME'; ICY Info: StreamTitle='Suzuki Ippei - 07 Michi'; ICY Info: StreamTitle='TULIP - 15 Futari ga Tsukutta Fuukei'; ICY Info: StreamTitle='Okazaki Yuki - 15 Jamican Affair'; ICY Info: StreamTitle='Yamaguchi Momoe - 03 Bi Silent'; ICY Info: StreamTitle='Fukuyama Masaharu - 01 Tsuioku no Ame no Naka'; ICY Info: StreamTitle='Okada Yukiko - 03 Little Princess'; ICY Info: StreamTitle='GODIEGO - 03 Gandhara English Version'; ICY Info: StreamTitle='Kaguyahime - 05 Ima wa Chigau Kisetsu'; ICY Info: StreamTitle='Sawada Kenji - 08 Kikenna Futari'; ICY Info: StreamTitle='Finger 5 - 10 Kojin Jugyou'; ICY Info: StreamTitle='Takahashi Mariko - 06 Tomadoi Serenade'; ICY Info: StreamTitle='Suzuki Ippei - 03 Tsuishin'; ICY Info: StreamTitle='Zuutorubi - 11 Mikan Iro no Koi'; ICY Info: StreamTitle='RAZZ MA TAZZ - 08 MERRY GO ROUND'; ICY Info: StreamTitle='Kusunose Seishiro - 12 Hottokenaiyo'; ICY Info: StreamTitle='Iwaki Tokue - 08 Dynamite'; ICY Info: StreamTitle='PENECILLIN - 12 NICE IN LIP plus L'; ICY Info: StreamTitle='Takada Mizue - 10 Mayonaka no Guitter'; ICY Info: StreamTitle='Fayray - 09 Taiyo no Gravity'; ICY Info: StreamTitle='Ohashi Junko - 05 Mr Smile'; ICY Info: StreamTitle='Nishida Hikaru - 11 Ikiterutte Subarashii'; ICY Info: StreamTitle='SMAP - 07 Peace'; ICY Info: StreamTitle='Nakamura Azusa - 14 Doyoubi wa Oshare shite'; ICY Info: StreamTitle='Nakamori Akina - 03 Twilight Yuugure Dayori'; ICY Info: StreamTitle='Takada Mizue - 04 Sonna Hiroshi ni Damasarete'; ICY Info: StreamTitle='TUBE - 11 Season in the Sun'; ICY Info: StreamTitle='Taniyama Hiroko - 01 Tenpura Sunrise'; ICY Info: StreamTitle='Moritaka Chisato - 11 Natsu no Hi'; ICY Info: StreamTitle='NSP - 08 Mizuumi'; ICY Info: StreamTitle='WANDS - 07 Koiseyo Otome'; ICY Info: StreamTitle='Nagabuchi Tsuyoshi - 07 Heroine'; ICY Info: StreamTitle='Nishida Hikaru - 09 Kitto Ai ga Aru';
ぅおおお、懐かしい曲名ばっかりじゃないかw
もう一度聞いてみたい曲がいくつか。
うーん、帰宅したら掛けるようにしようかな。
それはともかく、ずっと流れていたってことは特にアプリには問題なさげ。
で、dmesg を見たら、次のようなメッセージが。
[93363.746390] smsc95xx 1-1.1:1.0 eth0: link down [93380.091382] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93387.762384] smsc95xx 1-1.1:1.0 eth0: link down [93389.394395] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93400.154369] smsc95xx 1-1.1:1.0 eth0: link down [93401.803430] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93402.154390] smsc95xx 1-1.1:1.0 eth0: link down [93403.826766] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93404.226453] smsc95xx 1-1.1:1.0 eth0: link down [93405.802555] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93435.570112] smsc95xx 1-1.1:1.0 eth0: link down [93437.154552] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93466.794364] smsc95xx 1-1.1:1.0 eth0: link down [93468.434444] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93635.530106] smsc95xx 1-1.1:1.0 eth0: link down [93637.106556] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [93863.826375] smsc95xx 1-1.1:1.0 eth0: link down [93865.426567] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 [94029.698331] smsc95xx 1-1.1:1.0 eth0: link down [94031.347448] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
……ちょっと思い当たることがある。
LAN ケーブルは自作しているんだけど、作成時に不安定だったやつだ。
接触不良なんだろうなぁ。
自分で使う分だし、繋がるからいっかなって使い続けてたけど、やっぱダメか。
まぁ、他の Raspberry Pi で dmesg を見たけど、問題出てないから、これを作り直せばいいやね。
今後は、ちょっとでも不安があったら作り直そうっと。
……ん、スピーカーの音質?
100 ショップのスピーカーだねって納得できるレベルですよ。
音質にはこだわりなんてないので、僕にはこれで十分。
ただ、音量はさすがに誤魔化せないので、アンプの利用を思いついたわけで。
ついでに学習用キットでのはんだ付けもしてみて楽しかった……と。