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SDL::Mixer::Effects - sound effect functions - metacpan.org
https://metacpan.org/dist/SDL/view/lib/pods/SDL/Mixer/Effects.pod
SDL::Mixer::Effects::set_post_mix ( $effect_callback, $arg ); Hook a processor function to the postmix stream for post processing effects. You may just be reading the data and displaying it, or you may be altering the stream to add an echo. This processor is never really finished, until you call it without arguments.
SDL_audioin - burningsmell.org
http://burningsmell.org/sdl_audioin/
The major fix causes the AudioSpecValid function to return 1 instead of some unknown value. Update -- Michel Xhaard has written a nice and simple demo for SDL_audioin. It records sound and plays it right back, creating a nice echo effect. Check the …
Audio Echo Effect Online - Totally Free
https://www.audiotoolset.com/echo
Echo. Echo is a physical phenomenon that occurs due to the reflection of the original sound from objects. Our hearing aids perceive sound reflected from objects and thus we hear a slightly distorted copy of the original signal. The meaning of this effect is quite clear from its name - to put it simply, it is a repetition of a sound after its ...
sound effects - (SDL) Mixing 2 audio files with no noise ...
https://sound.stackexchange.com/questions/20531/sdl-mixing-2-audio-files-with-no-noise-or-distortion
This is a technical question you might want to ask in the forum of SDL, whatever that may be. But overall, mixing signals that are of maximum loudness (0dBFS) will result in distortion. So my guess is that you need to somehow lower the input of the mixer resulting in more headroom and no clipping or distortion. Good luck! Arnoud Share
Echo Effects - Hack Audio
https://www.hackaudio.com/digital-signal-processing/echo-effects/
Digital Signal Processing Echo Effects Echo effects are one type of audio effect based on delaying a signal over time. In this case, listeners perceive an audible repetition of a signal after some duration of time. Listeners perceive distinct echoes when the time delay is relatively long (greater than ~30 milliseconds).
Advanced audio effects using SDL_mixer ? : sdl
https://www.reddit.com/r/sdl/comments/4qvklc/advanced_audio_effects_using_sdl_mixer/
I know a bit about DSP, enough to implement a few things, but I'm concerned that SDL_mixer will only be giving me finite chunks of the audio to work with, when I'd like to do something like add an echo or reverb effect, which would require that I retain some of …
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