How to slow down a voice recording without pitch change, while preserving quality?

Discussion in 'Working with Sound' started by waverider, Dec 3, 2019.

  1. recycle

    recycle Guest

    Timestretch 90’s style on Ableton

    Place voice sample on timeline and open details view:
    • Put sample on warp
    • Stratch algorithm: use “Texture” option
    • Stratch samples with yellow markers (4 times its original length)
    • Adjust grain size as needed
    Finally a touch of chorus to have that "Akai" feel
    Now add the Amen break and drum ’n’ bass is ready!
     
    Last edited by a moderator: Dec 12, 2019
  2. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    thx mate ..i try soon..

    EDIT yeah i came nearer then ever...thx...
    bigger grainsize leads to interesting delay effects...
    ---
    in below example the vox is stretched but seems not streched on timeline:dunno:
     
    Last edited: Dec 12, 2019
  3. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    min 0:47 / 1:18
     
  4. demberto

    demberto Rock Star

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    Its in every daw
     
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  5. demberto

    demberto Rock Star

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    Try rubberband its free
     
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  6. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    can we stretch and bring back on same tempo ??...sounds like this...
     
  7. TaxiDriver

    TaxiDriver Platinum Record

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    Well if you want to time-stretch a sample (preserving the pitch) with just one VST, that could be just a Pitch-shifter (like Zplane's in mp5's post). That is, IF you slow down the sample "tape style" (like Live's re-pitch algo) -10%, you can re-pitch it back +10% with ElastiquePitchV2 or similar (unless I'm missing smth - which may very well be the case..;)). Not saying it's the most effective way..

    You may also want to try DJ tools, like Traktor3 or Serato (lock the key), but I bet you'll bump into zplane algos again.

    Now (thinking out loud) while theoretically what taskforce is saying is exactly what I'm thinking, I wonder if in the digital domain even exist non-destructive pitch shifting (like stopping the tape reel or vinyl, which is of course analogue). I think DAWs/FX can only emulate that.

    In fact, my question: does Studio one have tape-style time stretching in v4? Which DAWs do/don't have it..?

    And the bonus Q: how did Fatboy Slim achieve the stretching effect in Rockafeller Skank (I mean - how did HE do it..) @1:50

     
  8. taskforce

    taskforce Audiosexual

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    His fav sampler is the Akai S950.
    If i recall he was rocking a Roland Vs 880 right about the same time i was as well. https://www.roland.com/global/products/vs-880/
    That multitrack hd recorder/mixer could respond to programmable cc events. You could get it to do different time-stretching at any beat interval like 4ths, 8ths and at any length too etc. And then he puts in the progressive pitchshift as well and it all makes a crazy cool audio soup heheh. He is one of the smartest samplists really, Norman Cook.

    Cheers :)
     
  9. teknomix

    teknomix Kapellmeister

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    Melodyne are the best, simply slow down your voice track and apply melodyne, tuning at your desired pitch.
     
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  10. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    :mad::hahaha::cheers:
     
  11. mp5

    mp5 Producer

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    Nobody commented on IRCAM TS, so maybe it should be presented in some more detail:
    "IRCAM Lab “TS” unlike other time stretching applications, uses an advanced phase vocoder engine (SuperVP) as well as the analysis/synthesis functionalities of “AudioSculpt”, providing high-quality sound processing in real-time. This technology is able to transpose and/or pitch a WAV or AIFF audio file with extremely accurate results and minimal artifacts...
    If a singer can't reach the lowest note or highest note in a piece, you can transpose it up and down in real time...
    Features
    - Sound source Waveform visualisation
    - Spectral information shown on screen
    - Transposition in percentage and scale format
    - Powerful Time Stretching
    - A Shape Preservation mode for voice transformation
    - Transient shaping
    - Harmonic and Inharmonic signals Remix options
    - Midi remote control option
    - Real time recording directly into the application"
     
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  12. Blue

    Blue Audiosexual

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    You do as you want of course,but timestretch for drums sounds bad.Personnally I pitch them but never timestretch drums.
    Try the (Melda) frequencyshifter either,sometimes it sounds better than simple "pitching".
     
  13. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    yea it was for vox....dead dred style
    --

    bout the fatboy slim track..i think you can get similar effect with turnado maybe , with good amount of automation and nerdism

    --
    yea great
    check out dmg pitchfunk for drums too
     
  14. Baxter

    Baxter Audiosexual

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    Musical mode in Cubase. Automate tempo track (ramp). About four mouse clicks. Pitch preserved but tempo is changed (granular synthesis, stretch/warp).
     
    Last edited: Dec 13, 2019
  15. Talula

    Talula Rock Star

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    convert digital record to analog tape, slow down analog tape, record to digital format in realtime, done:disco:

    If you still need it I can try to do it with zynaptiq time factory 2
     
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  16. Gyro Gearloose

    Gyro Gearloose Audiosexual

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    Talula thx for all dude
    no drama....just wiping and wiping....kontakt lib rls legend..
    and on top willing to help in asex...:headbang::cheers:
     
  17. Kwissbeats

    Kwissbeats Audiosexual

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    I don't get why this topic goes in the direction of tape slowdown,
    which is the opposite then what the OP is asking?

    summarising most posts that make sense, I recon zPlane is still the leading developer in this area. (which also developed time-stretching for fl studio/Edison)
    they have different algo's depending on your source. (vocal, percussive, melodic, mono/bass)
     
    Last edited: Dec 13, 2019
  18. TaxiDriver

    TaxiDriver Platinum Record

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    OP knows how to slow down a (voc) sample (in fact, using zplane tech). He is just not quite happy w/ the quality of result. So his question is - is there another way. And we are discussing different techniques (from stupid to brilliant), just because..;)

    If he had his recording on a (real) tape and slow it down by 10%, would you agree, he achieved the desired "TIME-stretch"? Also because he would be in analogue realm (where everything is ~infinite) the quality would be the best possible.

    The problem is that the resulting pitch would be wrong (though, he never said he wants it the same pitch). But, if he than recorded the result in a DAW and applied 110% of ElastiquePitch2, the pitch would be OK and he would have his stretched audio..

    The benefit: only ONE relatively simple digital algorithm would be applied to the material. Is this suggestion sane ..naa, ofc not ;)
     
  19. Rorer

    Rorer Guest

    Take an LSD Trip.
     
  20. Talula

    Talula Rock Star

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    he wants to slow down, not speed up! :dj:
     
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