{"id":45441,"date":"2026-08-13T13:51:28","date_gmt":"2026-08-13T04:51:28","guid":{"rendered":"https:\/\/retro-gamer.jp\/?p=45441"},"modified":"2026-08-13T13:51:31","modified_gmt":"2026-08-13T04:51:31","slug":"analogue-pocket%e3%81%8c%e6%9c%ac%e6%a0%bc%e7%9a%84%e3%81%aamp3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%a4%e3%83%bc%e3%81%ab%ef%bc%81-fpga%e5%86%85%e3%81%aerisc-v-cpu%e3%81%a7%e9%9f%b3%e6%a5%bd%e3%82%92","status":"publish","type":"post","link":"https:\/\/retro-gamer.jp\/?p=45441","title":{"rendered":"Analogue Pocket\u304c\u672c\u683c\u7684\u306aMP3\u30d7\u30ec\u30fc\u30e4\u30fc\u306b\uff01 FPGA\u5185\u306eRISC-V CPU\u3067\u97f3\u697d\u3092\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30c7\u30b3\u30fc\u30c9\u3059\u308bopenFPGA\u30b3\u30a2\u304c\u767b\u5834"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Analogue Pocket\uff08\u30a2\u30ca\u30ed\u30b0\u30dd\u30b1\u30c3\u30c8\uff09\u3092\u672c\u683c\u7684\u306a\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308bopenFPGA\u30b3\u30a2\u300eMP3 Player\u300fv1.1.0\u304c\u3001HarpMudd\u6c0f\u3088\u308a\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cfMP3 Player \u2014 Analogue Pocket<\/strong><br><a href=\"https:\/\/github.com\/harpmudd\/HarpMudd.mp3player\">https:\/\/github.com\/harpmudd\/HarpMudd.mp3player<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30a2\u3067\u306f\u3001microSD\u30ab\u30fc\u30c9\u306b\u4fdd\u5b58\u3057\u305fMP3\u30d5\u30a1\u30a4\u30eb\u3084M3U\u5f62\u5f0f\u306e\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u307f\u3001Analogue Pocket\u672c\u4f53\u3067\u97f3\u697d\u3092\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5358\u306bMP3\u304c\u518d\u751f\u3067\u304d\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001ID3\u30bf\u30b0\u304b\u3089\u53d6\u5f97\u3057\u305f\u66f2\u540d\u3084\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8\u540d\u3001JPEG\u5f62\u5f0f\u306e\u30b8\u30e3\u30b1\u30c3\u30c8\u753b\u50cf\u3092\u753b\u9762\u306b\u8868\u793a\u3002\u518d\u751f\u6642\u9593\u3092\u793a\u3059\u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u306b\u52a0\u3048\u3066\u3001\u30d0\u30fc\u3001\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3001\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3001\u30a2\u30ca\u30ed\u30b0VU\u30e1\u30fc\u30bf\u30fc\u306a\u3069\u30019\u7a2e\u985e\u306e\u30e1\u30fc\u30bf\u30fc\u8868\u793a\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30b3\u30e9\u30a4\u30b6\u30fc\u306f\u300cFLAT\u300d\u300cBASS\u300d\u300cROCK\u300d\u300cPOP\u300d\u300cJAZZ\u300d\u300cCLASSICAL\u300d\u300cVOCAL\u300d\u300cTREBLE\u300d\u306e8\u7a2e\u985e\u3002\u30ea\u30d4\u30fc\u30c8\u3001\u30b7\u30e3\u30c3\u30d5\u30eb\u3001\u66f2\u9001\u308a\u3001\u65e9\u9001\u308a\u30fb\u5dfb\u304d\u623b\u3057\u3001\u518d\u751f\u4f4d\u7f6e\u306e\u30ec\u30b8\u30e5\u30fc\u30e0\u300112\u8272\u306e\u30a2\u30af\u30bb\u30f3\u30c8\u30ab\u30e9\u30fc\u5207\u308a\u66ff\u3048\u306a\u3069\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u643a\u5e2f\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u3057\u3066\u4e00\u901a\u308a\u306e\u6a5f\u80fd\u304c\u305d\u308d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u97f3\u58f0\u30b3\u30f3\u30c6\u30f3\u30c4\u5411\u3051\u306b1.2\u500d\u901f\u518d\u751f\u3082\u642d\u8f09\u3002\u518d\u751f\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u3068\u97f3\u7a0b\u3082\u9ad8\u304f\u306a\u308b\u305f\u3081\u97f3\u697d\u5411\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30dd\u30c3\u30c9\u30ad\u30e3\u30b9\u30c8\u3084\u30aa\u30fc\u30c7\u30a3\u30aa\u30d6\u30c3\u30af\u3092\u8074\u304f\u3068\u304d\u306b\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FPGA\u306e\u4e2d\u306bRISC-V CPU\u3092\u4f5c\u3063\u3066MP3\u3092\u518d\u751f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30a2\u3067\u3068\u304f\u306b\u9762\u767d\u3044\u306e\u304c\u3001MP3\u3092\u518d\u751f\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Analogue Pocket\u306b\u306fMP3\u5c02\u7528\u306e\u30c7\u30b3\u30fc\u30c0\u30fc\u30c1\u30c3\u30d7\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u300eMP3 Player\u300f\u3067\u306f\u3001Analogue Pocket\u306eFPGA\u5185\u306b60MHz\u3067\u52d5\u4f5c\u3059\u308bRISC-V\u306e\u30bd\u30d5\u30c8CPU\u300cVexRiscv\u300d\u3092\u69cb\u7bc9\u3002\u305d\u306eCPU\u4e0a\u3067Helix MP3 Decoder\u3092\u52d5\u304b\u3057\u3001MP3\u3092\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3001\u30c7\u30b3\u30fc\u30c9\u3057\u305f\u97f3\u58f0\u3092\u53d7\u3051\u53d6\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u30ad\u30e5\u30fc\u3084\u30a4\u30b3\u30e9\u30a4\u30b6\u30fc\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u753b\u9762\u63cf\u753b\u3082CPU\u304c\u76f4\u63a5\u30d4\u30af\u30bb\u30eb\u3092\u66f8\u304d\u8fbc\u3080\u306e\u3067\u306f\u306a\u304f\u3001\u5c02\u7528\u306e\u30d5\u30ec\u30fc\u30e0\u30d0\u30c3\u30d5\u30a1\u30a8\u30f3\u30b8\u30f3\u306b\u63cf\u753b\u547d\u4ee4\u3092\u9001\u308b\u65b9\u5f0f\u3092\u63a1\u7528\u3002\u753b\u9762\u63cf\u753b\u306b\u3088\u3063\u3066MP3\u306e\u30c7\u30b3\u30fc\u30c9\u51e6\u7406\u304c\u5727\u8feb\u3055\u308c\u3001\u97f3\u58f0\u306b\u30b8\u30c3\u30bf\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u9632\u3044\u3067\u3044\u308b\u3068\u306e\u3053\u3068\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u958b\u767a\u6642\u306b\u306f\u5225\u306eRISC-V CPU\u300cPicoRV32\u300d\u3082\u30c6\u30b9\u30c8\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30b3\u30fc\u30c9\u306b\u306f114\uff5e351MHz\u304c\u5fc5\u8981\u3067\u3001Analogue Pocket\u3067\u306f\u5b9f\u7528\u306b\u306a\u3089\u306a\u304b\u3063\u305f\u305d\u3046\u3067\u3059\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066VexRiscv\u306f\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u4e0a\u3067\u306f\u7d0446MHz\u304b\u3089\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u518d\u751f\u304c\u53ef\u80fd\u3067\u300160MHz\u52d5\u4f5c\u3067\u3082\u4f59\u88d5\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306b\u3001Analogue Pocket\u5411\u3051\u306eMP3\u30d7\u30ec\u30fc\u30e4\u30fc\u30b3\u30a2\u3068\u3057\u3066\u306f\u3001neoge\u6c0f\u304c2026\u5e747\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3057\u305fPure-HDL\u65b9\u5f0f\u306e\u300eMP3 Player\u300f\u304c\u3059\u3067\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u4eca\u56de\u306e\u30b3\u30a2\u306f\u305d\u308c\u3068\u306f\u5225\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001RISC-V CPU\u306b\u3088\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30c7\u30b3\u30fc\u30c9\u3068\u3001\u30b8\u30e3\u30b1\u30c3\u30c8\u8868\u793a\u3084\u30a4\u30b3\u30e9\u30a4\u30b6\u30fc\u3001\u30ec\u30b8\u30e5\u30fc\u30e0\u306a\u3069\u306e\u591a\u6a5f\u80fd\u306aUI\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52d5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u306f\u3001GitHub\u3067\u914d\u5e03\u3055\u308c\u3066\u3044\u308b\u300cCores\u300d\u300cPlatforms\u300d\u300cAssets\u300d\u306e\u5404\u30d5\u30a9\u30eb\u30c0\u30fc\u3092\u3001Analogue Pocket\u306emicroSD\u30ab\u30fc\u30c9\u76f4\u4e0b\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b3\u30a2\u306e\u8d77\u52d5\u306b\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u3042\u305f\u308b\u300cmp3player.rom\u300d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MP3\u30d5\u30a1\u30a4\u30eb\u306fmicroSD\u30ab\u30fc\u30c9\u5185\u306e\u3069\u3053\u306b\u7f6e\u3044\u3066\u3082\u8aad\u307f\u8fbc\u3081\u307e\u3059\u304c\u3001\u516c\u5f0f\u306e\u8aac\u660e\u3067\u306f\u6b21\u306e\u30d5\u30a9\u30eb\u30c0\u30fc\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\/Assets\/mp3player\/common\/<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u300cplaylist.m3u\u300d\u3092\u7f6e\u3044\u3066\u304a\u304f\u3068\u3001\u30b3\u30a2\u306e\u8d77\u52d5\u6642\u306b\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u306e\u5148\u982d\u304b\u3089\u81ea\u52d5\u7684\u306b\u518d\u751f\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u306f\u6700\u5927128\u66f2\u3001\u307e\u305f\u306fM3U\u30d5\u30a1\u30a4\u30eb\u306e\u5bb9\u91cf\u304c16KB\u306b\u9054\u3059\u308b\u307e\u3067\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u5fdc\u5f62\u5f0f\u306fMPEG-1 Layer III\u306eCBR\uff0fVBR\u3067\u3001\u6a19\u6e96\u7684\u306a\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3068\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8\u3001\u30e2\u30ce\u30e9\u30eb\uff0f\u30b9\u30c6\u30ec\u30aa\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001MPEG-2\uff0f2.5\u3084Layer I\uff0fII\u306b\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30b8\u30e3\u30b1\u30c3\u30c8\u753b\u50cf\u3082JPEG\u306e\u307f\u3067\u3001PNG\u753b\u50cf\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u9762\u3092\u4e00\u5b9a\u6642\u9593\u5f8c\u306b\u9ed2\u304f\u3059\u308b\u30b9\u30af\u30ea\u30fc\u30f3\u30d6\u30e9\u30f3\u30af\u6a5f\u80fd\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u6db2\u6676\u306e\u8868\u793a\u3092\u9ed2\u304f\u3059\u308b\u3060\u3051\u3067\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u3092\u6d88\u3059\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u7bc0\u7d04\u52b9\u679c\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b2\u30fc\u30e0\u6a5f\u3084\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u73fe\u3059\u308b\u3053\u3068\u304c\u591a\u3044openFPGA\u3067\u3059\u304c\u3001\u4eca\u56de\u306fFPGA\u5185\u306b\u65b0\u305f\u306aCPU\u3092\u4f5c\u308a\u3001\u305d\u306e\u4e0a\u3067\u97f3\u697d\u518d\u751f\u30bd\u30d5\u30c8\u3092\u52d5\u304b\u3059\u3068\u3044\u3046\u5c11\u3057\u5909\u308f\u3063\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002Analogue Pocket\u306e\u53ef\u80fd\u6027\u3092\u3001\u30b2\u30fc\u30e0\u4ee5\u5916\u306e\u65b9\u5411\u306b\u5e83\u3052\u308b\u30e6\u30cb\u30fc\u30af\u306a\u30b3\u30a2\u3068\u3044\u3048\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cfopenFPGA Library<\/strong><br><a href=\"https:\/\/openfpga-library.github.io\/analogue-pocket\/\">https:\/\/openfpga-library.github.io\/analogue-pocket\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">via. <a href=\"https:\/\/www.reddit.com\/r\/AnaloguePocket\/comments\/1vkx9gn\/my_new_mp3_player_core_released_today\/\" data-type=\"link\" data-id=\"https:\/\/www.reddit.com\/r\/AnaloguePocket\/comments\/1vkx9gn\/my_new_mp3_player_core_released_today\/\">Reddit<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analogue Pocket\uff08\u30a2\u30ca\u30ed\u30b0\u30dd\u30b1\u30c3\u30c8\uff09\u3092\u672c\u683c\u7684\u306a\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308bopenFPGA\u30b3\u30a2\u300eMP3 Player\u300fv1.1.0\u304c\u3001HarpMudd\u6c0f\u3088\u308a\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002 \u25cfMP3 Player \u2014&#8230;<\/p>\n","protected":false},"author":1,"featured_media":45442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[4],"tags":[858,575,3539,1252],"class_list":["post-45441","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news","tag-analogue-pocket","tag-fpga","tag-mp3","tag-1252","article"],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/retro-gamer.jp\/wp-content\/uploads\/2026\/08\/AP.jpg","_links":{"self":[{"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/posts\/45441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45441"}],"version-history":[{"count":1,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/posts\/45441\/revisions"}],"predecessor-version":[{"id":45443,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/posts\/45441\/revisions\/45443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=\/wp\/v2\/media\/45442"}],"wp:attachment":[{"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retro-gamer.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}