Re: Bajar volumen hasta cierto nivel SOX, FADE IN, FADE OUT
>>>
>> ¿Qué te respondieron en la lista de SOX?
Aun no responden (trate de escribir lo mejor que pude mi inglis). Pero
todavia no tengo la respuesta.
>>
>
> Parece que se te escapó hacer un 'man sox' en consola.
> Es larguísimo lo que sale. En mi sistema está en inglés. Sobre fade dice
> esto:
>
> (...)
>
> fade [type] fade-in-length [stop-time [fade-out-length]]
> Apply a fade effect to the beginning, end, or both of the audio.
>
> An optional type can be specified to select the shape of the
> fade curve: q for quarter of a sine wave, h for half a sine
> wave, t for linear (`triangular') slope, l for logarithmic, and
> p for inverted parabola. The default is logarithmic.
>
> A fade-in starts from the first sample and ramps the signal
> level from 0 to full volume over fade-in-length seconds. Spec‐
> ify 0 seconds if no fade-in is wanted.
>
> For fade-outs, the audio will be truncated at stop-time and the
> signal level will be ramped from full volume down to 0 starting
> at fade-out-length seconds before the stop-time. If fade-out-
> length is not specified, it defaults to the same value as fade-
> in-length. No fade-out is performed if stop-time is not speci‐
> fied. If the file length can be determined from the input file
> header and length-changing effects are not in effect, then 0 may
> be specified for stop-time to indicate the usual case of a fade-
> out that ends at the end of the input audio stream.
>
> All times can be specified in either periods of time or sample
> counts. To specify time periods use the format hh:mm:ss.frac
> format. To specify using sample counts, specify the number of
> samples and append the letter `s' to the sample count (for exam‐
> ple `8000s').
>
> See also the splice effect.
>
> (...)
> Si no te aparece lo que expecíficamente estás buscando quizá te sirva lo que
> dice en el primer párrafo sobre el tipo de curva del efecto.
>
> Saludos.
>
>
>
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