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Automatic BPM counter from file-no tapping

annahahnannahahn
in General App Discussion

Any apps out there that do automatic BPM counting from a analyzing an audio file without having to tap?

Comments

  • CracklePotCracklePot

    Auditor can measure a selection on an audio file and report back the BPM. File has to be one measure long, minimum.

  • wimwim
    edited November 2019

    If you know the number of beats, you can open the editor in AudioShare and adjust the tempo until it displays the right number of beats in the snap to beats tab.

    BM3's audio editor can be used similarly to Auditor for calculating BPM if you know the number of measures / beats.

    You can also calculate it if you know the number of beats and length of the sample:
    (#of beats) / (length in seconds) * (60 seconds per minute)

    Example:
    8 beats / 4.0sec * 60 = 120bpm
    8 beats / 5.2sec * 60 = 92.3bpm

    I find BPM detection by apps that try to analyze the transients in a file can be hit or miss. Calculating based on BPM with one of the above methods, including Auditor as noted above, is more reliable and usually faster too.

  • rs2000rs2000

    DJ Player Pro is one of the most reliable ones I've tried but I guess there's a number of alternatives.

  • lukesleepwalkerlukesleepwalker

    BM3!

  • wimwim

    Kind of a sledgehammer to hammer in a tack, though. Gimme my iPhone calculator any day. I’ll have it done before you get the sample loaded.

  • lukesleepwalkerlukesleepwalker
    edited November 2019

    @wim said:
    Kind of a sledgehammer to hammer in a tack, though. Gimme my iPhone calculator any day. I’ll have it done before you get the sample loaded.

    Sometimes one wears a fur coat in the summer, simply to send a signal to the unconverted.

  • mifkimifki

    Pretty much any DJ app can analyse your library and show bpm and key for each song.

  • gjcyrusgjcyrus
    edited September 2021

    Sorry to bump an older thread but was curious if there’s any new tools for this? My specific use case is I use DJ Pro for finding samples to twist and warp into new soundscapes which I’d like to develop beats/rhythms over. I will take the sample out of djay and dump it into AudioShare. As Wim mentioned, you can adjust the sample to fit the BPM but For me, I’m trying to stay in the flow so would prefer to do the opposite and keep the exact sample cut and match the beats to it. Thanks in advance!!

    EDIT: wow that auditor app looks cool but I’ve only got an iPhone and MacBook. If I can’t do it on my phone, I might as well just use Traktor or Ableton but was hoping to have a system to capture inspiration on the fly and take it as far as possible before desktop

  • gjcyrusgjcyrus

    So nothing new then?

  • wimwim

    Not that I know of.
    I can think of ways that I would do it but I don't think they're anywhere close to what you're looking for.

  • gjcyrusgjcyrus
    edited September 2021

    Thanks Wim! Much appreciated. If you had 2 min to spare, I’d be curious to hear of your idea. At this point I’m open to anything since it looks like I’ll have to be going to desktop sooner in my workflow that I was hoping for.

    EDIT: after I typed this comment to you, I remembered your earlier comment about using AudioShare and was reminded that maybe you could open up a sample from AudioShare into Djay and guess what? It worked! It opened up and gave me a BPM of 130 (or 65) Now the big question is how accurate is it but is at least one idea. So thanks for bringing up AudioShare earlier in the thread!

  • wimwim

    @gjcyrus - if you have sEGments, try loading some samples in there. It seems to do a pretty good job of BPM detection, among other things.

  • gjcyrusgjcyrus

    @wim said:
    @gjcyrus - if you have sEGments, try loading some samples in there. It seems to do a pretty good job of BPM detection, among other things.

    Thanks @wim !!! What a cool app! Insta-buy!! Much appreciated. This is exactly what I was looking for and more!

  • wimwim

    @gjcyrus said:

    @wim said:
    @gjcyrus - if you have sEGments, try loading some samples in there. It seems to do a pretty good job of BPM detection, among other things.

    Thanks @wim !!! What a cool app! Insta-buy!! Much appreciated. This is exactly what I was looking for and more!

    😎

    Another one you probably want to check out is Koala if you haven’t already. It has great slicing and excellent time stretch. It also detects BPM, but internally - it doesn’t display it anywhere unfortunately. It just silently adjusts to tempo if you tell it to stretch a sample.

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