<div dir="ltr">Gracias! ya lo subí. <a href="http://unloquer.org/2015/04/ajustar-la-escucha-de-conferencias-para-la-ciudad/">http://unloquer.org/2015/04/ajustar-la-escucha-de-conferencias-para-la-ciudad/</a><br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-26 11:40 GMT-05:00 Federico lopez <span dir="ltr"><<a href="mailto:fede2001@hotmail.com" target="_blank">fede2001@hotmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Claro! <div><br></div><div> lo subí a sostech porque el telescope es un poco más amigable para lectura en teléfonos.<br><br>acá va el markdown del post completo:</div><div><br></div><div>---------------------------------------</div><div><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">La ciudad tiene mucho ruido, ya ni siquiera podemos decir ruido de fondo, pues es tal el nivel que el ruido no es fondo sino sujeto. El transeúnte que quiere usar el tiempo de transito para escuchar en sus audífonos alguna conferencia o radio novela, se ve en problemas pues las partes leves de la voz son incomprensibles y si se sube el volumen general, las partes fuertes ya incomodan, necesitamos entonces reducir la variación de volumen de la grabación (rango dinámico).</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">En GNU/Linux podemos usar el **Compander** de sox , un ajuste inicial sería:</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><code></span><span class=""><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">$ sox [archivo_origen] [archivo_destino] compand 0.02,0.20 5:-60,-40,-10 -5 -90 0.1</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></span><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></code></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">Un ejemplo:</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><code></span><span class=""><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">$ sox The_Power_of_Abstraction-GDVAHA0oyJU.mp3 abstraction_bicicleta.mp3 compand 0.02,0.20 5:-60,-40,-10 -5 -90 0.1</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></span><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></code></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">Los parámetros que usa el **Compander** (compresor+expander) son: </span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><pre></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">compand attack1,decay1{,attack2,decay2}</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"> [soft-knee-dB:]in-dB1[,out-dB1]{,in-dB2,out-dB2} </span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"> [gain [initial-volume-dB [delay]]]</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></pre></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">Pueden detallar en estos parámetros aca: <a href="http://sox.10957.n7.nabble.com/Compander-help-limiter-td2920.html" target="_blank">http://sox.10957.n7.nabble.com/Compander-help-limiter-td2920.html</a></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">La diferencia de los rangos dinámicos en diferentes entornos se puede ver mejor en esta gráfica: </span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><img src="<a href="http://jardincosmico.net/files/unloquer/dynamicRangeEnvironments.png" target="_blank">http://jardincosmico.net/files/unloquer/dynamicRangeEnvironments.png</a>"></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><a img src="<a href="http://jardincosmico.net/files/unloquer/dynamicRangeEnvironments.png" target="_blank">http://jardincosmico.net/files/unloquer/dynamicRangeEnvironments.png</a>">Gráfica</a></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">Nota: Para descargar una conferencia de YouTube, Vimeo, SoundCloud, etc puede usar el programa <code>youtube-dl </code>incluso ese programa trae una aplicación para extraer el audio, pero alguna vez no me funcionó entonces uso este script de ffmpeg para extraer el audio a una carpeta con videos de YouTube:</span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><code></span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px">for f in *.mp4; do ffmpeg -i "$f" -vn -c:a libmp3lame -ar 44100 -ac 2 -ab 192k "${f/%mp4/mp3}"; done </span><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><span style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"></code></span></div><div><br></div><div>---------------------------<br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><br style="font-family:'Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-size:14px;line-height:18.8999996185303px"><div><br></div><div><br><br><div><hr>Date: Sun, 26 Apr 2015 11:22:37 -0500<br>From: <a href="mailto:brolin108@gmail.com" target="_blank">brolin108@gmail.com</a><br>To: <a href="mailto:unloquer@lists.aktivix.org" target="_blank">unloquer@lists.aktivix.org</a><br>Subject: Re: [un/loquer] Ajustar la escucha de conferencias para la ciudad<div><div class="h5"><br><br><div dir="ltr"><div>Fede, ¿lo puedo poner en el blog como una entrada?<br><br></div><div>gracias<br></div><div><br></div><br></div><div><br><div>2015-04-26 11:04 GMT-05:00 Federico lopez <span dir="ltr"><<a href="mailto:fede2001@hotmail.com" target="_blank">fede2001@hotmail.com</a>></span>:<br><blockquote style="border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">En la ciudad, el transeúnte que quiere usar el tiempo de transito para escuchar en sus audífonos alguna conferencia o radio novela, se ve en problemas pues las partes leves de la voz son incomprensibles y si se sube el volumen general, las partes fuertes ya incomodan, necesitamos entonces reducir la variación de volumen de la grabación (rango dinámico).</p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)"><br></p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">En GNU/Linux podemos usar el <span style="padding:0px;border:0px;font-family:inherit;font-style:inherit;font-variant:inherit;font-weight:700;font-stretch:inherit;line-height:inherit;vertical-align:baseline">Compander</span> de sox , un ajuste inicial sería:</p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)"><br></p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">$ sox [archivo_origen] [archivo_destino] compand 0.02,0.20 5:-60,-40,-10 -5 -90 0.1</p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)"><br></p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">Un ejemplo:</p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)"><br></p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">$ sox The_Power_of_Abstraction-GDVAHA0oyJU.mp3 abstraction_bicicleta.mp3 compand 0.02,0.20 5:-60,-40,-10 -5 -90 0.1</p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)"><br></p><p style="border:0px;font-family:'Open Sans','Proxima Nova Soft',proxima-nova-soft,'PT SANS','Helvetica Neue',Helvetica,sans-serif;font-stretch:inherit;line-height:28.7999992370605px;font-size:18px;vertical-align:baseline;color:rgb(74,68,68)">más detalles en SOSTech:</p><br><a href="http://unloquer.meteor.com/posts/gswzKSSeTjQwg6Ljd" target="_blank">http://unloquer.meteor.com/posts/gswzKSSeTjQwg6Ljd</a><div><br></div><div>saludos, </div><div><br></div><div>fede.</div><div><br></div><div><br></div> </div></div>
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