ピアノという楽器を知ることの大切さ
2022.05.10
効率よく省エネでピアノを弾くために
最近では、インターネットの発達により、世界の情報が自宅に居ながらにして取得できるようになり便利になりました。
その中で、ウィーンで活動していらっしゃるピアノ調律師さんが発信している動画の紹介です。
『としチャンネル Toshi Channel』は
実際のグランドピアノのアクション模型を使い、調律師さんならではの視点で分かりやすく丁寧に解説されているため必見です。
お問い合わせ
"+r+""+h+""+">"}var c,i=n(45),u=n(74),f=n(64),s=n(53),p=n(76),l=n(41),y=(n=n(52),"prototype"),h="script",v=n("IE_PROTO"),g=function(){try{c=new ActiveXObject("htmlfile")}catch(r){}var r;g="undefined"==typeof document||document.domain&&c?function(r){r.write(a("")),r.close();var t=r.parentWindow.Object;return r=null,t}(c):((r=l("iframe")).style.display="none",p.appendChild(r),r.src=String("javascript:"),(r=r.contentWindow.document).open(),r.write(a("document.F=Object")),r.close(),r.F);for(var t=f.length;t--;)delete g[y][f[t]];return g()};s[v]=!0,t.exports=Object.create||function(t,e){var n;return null!==t?(o[y]=i(t),n=new o,o[y]=null,n[v]=t):n=g(),e===r?n:u.f(n,e)}},function(r,t,e){var n=e(5),o=e(44),a=e(43),c=e(45),i=e(11),u=e(75);t.f=n&&!o?Object.defineProperties:function(r,t){c(r);for(var e,n=i(t),o=u(t),f=o.length,s=0;s
=t||56320!=(64512&i(r,e))))return!1}return!0}})},function(r,t,e){var n=e(91),o=String;r.exports=function(r){if("Symbol"===n(r))throw new TypeError("Cannot convert a Symbol value to a string");return o(r)}},function(r,t,e){var n=e(2),o=e(7),a=e(13),c=e(15),i=e(102),u=(e=e(6),Array),f=a("".charAt),s=a("".charCodeAt),p=a([].join),l="".toWellFormed,y=l&&e((function(){return"1"!==o(l,1)}));n({target:"String",proto:!0,forced:y},{toWellFormed:function(){var r=i(c(this));if(y)return o(l,r);for(var t=r.length,e=u(t),n=0;n{var t;wpcf7_recaptcha={...null!==(t=wpcf7_recaptcha)&&void 0!==t?t:{}};const c=wpcf7_recaptcha.sitekey,{homepage:n,contactform:a}=wpcf7_recaptcha.actions,o=e=>{const{action:t,func:n,params:a}=e;grecaptcha.execute(c,{action:t}).then((e=>{const c=new CustomEvent("wpcf7grecaptchaexecuted",{detail:{action:t,token:e}});document.dispatchEvent(c)})).then((()=>{"function"==typeof n&&n(...a)})).catch((e=>console.error(e)))};if(grecaptcha.ready((()=>{o({action:n})})),document.addEventListener("change",(e=>{o({action:a})})),"undefined"!=typeof wpcf7&&"function"==typeof wpcf7.submit){const e=wpcf7.submit;wpcf7.submit=(t,c={})=>{o({action:a,func:e,params:[t,c]})}}document.addEventListener("wpcf7grecaptchaexecuted",(e=>{const t=document.querySelectorAll('form.wpcf7-form input[name="_wpcf7_recaptcha_response"]');for(let c=0;c{var n,r;null===(n=t._googlesitekit)||void 0===n||null===(r=n.gtagEvent)||void 0===r||r.call(n,"contact",{event_category:e.detail.contactFormId,event_label:e.detail.unitTag})})}).call(this,n(0))}]);"use strict";window.wp_fallback_consent_type=consent_api.consent_type;window.waitfor_consent_hook=consent_api.waitfor_consent_hook;function wp_has_consent(category){var consent_type;if(typeof window.wp_consent_type!=="undefined"){consent_type=window.wp_consent_type}else{consent_type=window.wp_fallback_consent_type}var has_consent_level=!1;var cookie_value=consent_api_get_cookie(consent_api.cookie_prefix+"_"+category);if(!consent_type){has_consent_level=!0}else if(consent_type.indexOf("optout")!==-1&&cookie_value===""){has_consent_level=!0}else{has_consent_level=cookie_value==="allow"}return has_consent_level}function consent_api_set_cookie(name,value){var secure=";secure";var days=consent_api.cookie_expiration;var date=new Date;date.setTime(date.getTime()+days*24*60*60*1e3);var expires=";expires="+date.toGMTString();if(window.location.protocol!=="https:")secure="";document.cookie=name+"="+value+secure+expires+";path=/"}function consent_api_get_cookie(name){name=name+"=";var cookies=window.document.cookie.split(";");for(var i=0;i1){keypress.push(keydowns[e.key][1])}
keypresses.push(keypress)}}
delete keydowns[e.key];lastKeyup=keyupTime},supportsPassive?{passive:!0}:!1);form.addEventListener("focusin",function(e){lastKeydown=null;lastKeyup=null;keydowns={}},supportsPassive?{passive:!0}:!1);form.addEventListener("focusout",function(e){lastKeydown=null;lastKeyup=null;keydowns={}},supportsPassive?{passive:!0}:!1)}
document.addEventListener('mousedown',function(e){lastMousedown=(new Date()).getTime()},supportsPassive?{passive:!0}:!1);document.addEventListener('mouseup',function(e){if(!lastMousedown){return}
var now=(new Date()).getTime();var mouseclick=[];mouseclick.push(now-lastMousedown);if(lastMouseup){mouseclick.push(lastMousedown-lastMouseup)}
mouseclicks.push(mouseclick);lastMouseup=now;lastKeydown=null;lastKeyup=null;keydowns={}},supportsPassive?{passive:!0}:!1);document.addEventListener('mousemove',function(e){if(mousemoveTimer){clearTimeout(mousemoveTimer);mousemoveTimer=null}else{mousemoveStart=(new Date()).getTime();lastMousemoveX=e.offsetX;lastMousemoveY=e.offsetY}
mousemoveTimer=setTimeout(function(theEvent,originalMousemoveStart){var now=(new Date()).getTime()-500;var mousemove=[];mousemove.push(now-originalMousemoveStart);mousemove.push(Math.round(Math.sqrt(Math.pow(theEvent.offsetX-lastMousemoveX,2)+Math.pow(theEvent.offsetY-lastMousemoveY,2))));if(mousemove[1]>0){mousemoves.push(mousemove)}
mousemoveStart=null;mousemoveTimer=null},500,e,mousemoveStart)},supportsPassive?{passive:!0}:!1);document.addEventListener('touchmove',function(e){if(touchmoveCountTimer){clearTimeout(touchmoveCountTimer)}
touchmoveCountTimer=setTimeout(function(){touchmoveCount++},500)},supportsPassive?{passive:!0}:!1);document.addEventListener('touchstart',function(e){lastTouchStart=(new Date()).getTime()},supportsPassive?{passive:!0}:!1);document.addEventListener('touchend',function(e){if(!lastTouchStart){return}
var now=(new Date()).getTime();var touchEvent=[];touchEvent.push(now-lastTouchStart);if(lastTouchEnd){touchEvent.push(lastTouchStart-lastTouchEnd)}
touchEvents.push(touchEvent);lastTouchEnd=now;lastKeydown=null;lastKeyup=null;keydowns={}},supportsPassive?{passive:!0}:!1);document.addEventListener('scroll',function(e){if(scrollCountTimer){clearTimeout(scrollCountTimer)}
scrollCountTimer=setTimeout(function(){scrollCount++},500)},supportsPassive?{passive:!0}:!1)}
function prepare_timestamp_array_for_request(a,limit){if(!limit){limit=100}
var rv='';if(a.length>0){var random_starting_point=Math.max(0,Math.floor(Math.random()*a.length-limit));for(var i=0;i=2){rv+=","+a[random_starting_point+i][1]}
rv+=";"}}
return rv}
if(document.readyState!=='loading'){init()}else{document.addEventListener('DOMContentLoaded',init)}})()