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Looping a Sound [ Video ]


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A looped sound will repeat endlessly without any gap between its end and start. It is up to the sound artist to ensure that the end and start of the file match up however, or there will be a "pop" as the waveform jumps from one shape to another.

Source detects looped sounds ONLY through cue points embedded in the file. This is a WAV-only feature, so MP3s cannot be looped. MS-ADPCM compressed WAVs can be looped, but due to the compression there will be a pop when the sound restarts.


These free programs can add cue points to a WAV:






Cue location


Your cues do not have to be at the start and end of the file. If you place them in the middle Source will start playing the sound normally, then when it reaches the end cue will loop back to the start cue. From then on only what's between the cues will play.

This can be used to give a sound a "winding up" effect that only plays once (e.g. a motor starting).

Edited by chaosmedia90
Find a place inside where there's joy, and the joy will burn out the pain.
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Loop in wav, cool. Thanks (Y).


Translate resume/Traduccion resumida:


Para el que no lo entendió completamente, quisiera resumir un poco el tutorial. Se trata de crear un loop en un sonido (en un .wav), lo que significa darle un efecto infinito al sonido. Por ejemplo un sonido de 5 segundos, empieza y cuando terminan esos 5 segundos se vuelve a reproducir automáticamente, lo que no pasaría en un sonido común sin modificar. En el ejemplo del video se puede percibir que es un sonido del ladrido del perro y que, con el loop, siempre va a estar ladrando.

Se logra con el programa GoldWave y los pasos para loopear el sonido se pueden apreciar en el video. Cualquier duda comunicarla.


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