Quantum Audio Time Stretch
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App details
About Quantum Audio Time Stretch
This application allows you to load audio files, and to create new versions in which the playback speed is changed (time stretching), without affecting the pitch.
It is targeted to professional and semi-professional audio/music designers who need a high quality and fast audio time stretching application in their toolbox.
Key features
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Time stretch any music, track, speech or sound by any amount between 4 times slower and 4 times faster
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The time stretching factor can be specified in many ways: length change, speed change, length from/to, tempo from/to, video FPS from/to, etc.
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Five quality settings, ranging from quick previews, best speed/quality trade-off to highest quality
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Use a modern audio time stretching algorithm with transient detection and a transient sensitivity setting
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Support mono, stereo and multi-channel (5.1, 7.1) audio files. Fully preserve the stereo / spatial field
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Load and save WAVE (*.wav), AIFF/AIFC (*.aiff, *.aifc) and AU Sun/NeXT (*.au) audio files, in PCM 16-bit / 24-bit integer, or in 32-bit IEEE floating point format. Also load FLAC, OGG, MP3, M4A
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Support sampling rates from 32 kHz to 192 kHz
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Transform multiple audio files simultaneously on multi-core computers
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Integrated mini player to preview the result before it is fully transformed