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  • Setting Audio specs parameters

    Although I never had complaints by clients about audio, I always wondered about this...

    Volume levels are to easy to determine, since you can see the peak levels. So it's easy to make sure that your whole DVD has a uniformed volume level so the client won't have to keep raising and lowering the audio volume during playback.

    But what about all other aspects of audio like bass, treble, high pass, low pass... all these can deceive you if your computer levels are not set right. I have a 3 set speaker system so when not working with headsets, I can raise or lower the bass on the speakers. Now to me, it might sound like I need more bass in my audio and I'll add bass with an EQ, but in reality, it might have just been that my own speakers were set too low on bass and now the client will hear TOO much bass.

    See what I'm getting at? Maybe one boosted the bass in the Windows audio settings and now he hears too much bass (even with headsets) and lowers it in Edius but in reality he didn't have to do this and the client will get bass too low.

    We have the same problem with color correction (client TV\Screen shows different colors) and that's why we use a third monitor display, so we can see the actual colors of a TV while editing. But how do we determine a base-line for audio specs? How can we know if we really have audio tweaking to do or our speakers\system is just not set right?
    Gigabyte Z77X-UP4 TH, Intel Core i7 3770k 3.5GHz, 4 Core, 8 Threads, 32GB RAM, NVIDIA GeForce GTX 660 2GB, 500GB SSD HDD for OS, 40TB Usable Hard Drive Capacity, Window 10 PRO 64-bit Edius 9.5 WORKSTATION...

  • #2
    Originally posted by zvit View Post
    Although I never had complaints by clients about audio, I always wondered about this...

    Volume levels are to easy to determine, since you can see the peak levels. So it's easy to make sure that your whole DVD has a uniformed volume level so the client won't have to keep raising and lowering the audio volume during playback.

    But what about all other aspects of audio like bass, treble, high pass, low pass... all these can deceive you if your computer levels are not set right. I have a 3 set speaker system so when not working with headsets, I can raise or lower the bass on the speakers. Now to me, it might sound like I need more bass in my audio and I'll add bass with an EQ, but in reality, it might have just been that my own speakers were set too low on bass and now the client will hear TOO much bass.

    See what I'm getting at? Maybe one boosted the bass in the Windows audio settings and now he hears too much bass (even with headsets) and lowers it in Edius but in reality he didn't have to do this and the client will get bass too low.

    We have the same problem with color correction (client TV\Screen shows different colors) and that's why we use a third monitor display, so we can see the actual colors of a TV while editing. But how do we determine a base-line for audio specs? How can we know if we really have audio tweaking to do or our speakers\system is just not set right?
    For me this situation has two aspects.

    First is your creative decision. If a section needs EQ for effect/correction then that is your creative decision and you will have to justify it to your client if they complain.

    Second is the one of delivering a professional soundtrack to your video. In that respect, assuming your edit studio is set up correctly and you are using reference gear and the material was recorded correctly you shouldn't need to make any adjustments - simply send the work out "flat".

    Just as some people like vivid colours on their TVs and whack up the saturation levels, so too some will prefer extra loud bass or treble cut - I'd leave the decision to them.
    Edius 6.52; i2500K; Gigabyte Z68P-DS3; 8Gb RAM; 124Gb SSD for system, 5x1Tb HDD on board; 1Tb & 500Gb HDD off-board; 2Tb RAID1 out-board; BCF2000; Shuttle Pro2; Radeon 5 series dual display, HD Spark, HD monitor. Windows 7 Pro 64-bit, New Blue Fx Art Blends, Video Essentials 2, 3, 4, Titler Pro 1 and ColourFast, ProDad Defishr.

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    • #3
      I agree with you when you have great quality footage but lots of my footage are from wedding production companies and sadly, they hire freelance videographers that many times have audio problems that needs correcting.
      Gigabyte Z77X-UP4 TH, Intel Core i7 3770k 3.5GHz, 4 Core, 8 Threads, 32GB RAM, NVIDIA GeForce GTX 660 2GB, 500GB SSD HDD for OS, 40TB Usable Hard Drive Capacity, Window 10 PRO 64-bit Edius 9.5 WORKSTATION...

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      • #4
        You might find useful audio tools here:

        David's Audio Tools: VectorScope - check audio phasing or direction finding aid.


        I have used an audio frequency sweep (20-20,000Hz) to check my monitoring system.

        Although not that scientific, you might be able to judge subjectively if certain frequencies sound higher or lower in volume and adjust your monitoring.
        Edius 8.53WG, Vistitle 2.8, Windows 10 x64 Pro Fall Update, Asus Z87 Pro, Intel i7-4770K, 16 GB 1600 Corsair Vengence LP RAM, Samsung 840 Pro SSD 256GB, WD Black 2TB media drive, Intel HD 4600 GPU, MSI GTX660 2GB VGA, Coolermaster Silencio 652 case, Noctua NH-U12S CPU cooler, Cakewalk UA-25EX USB audio interface, Cakewalk MA-15D monitor speakers, BM Intensity Pro 4K, PlextorPX-LB950SA BD writer, Dell U2410 Monitor

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        • #5
          Thanks, I'll check that out.
          Gigabyte Z77X-UP4 TH, Intel Core i7 3770k 3.5GHz, 4 Core, 8 Threads, 32GB RAM, NVIDIA GeForce GTX 660 2GB, 500GB SSD HDD for OS, 40TB Usable Hard Drive Capacity, Window 10 PRO 64-bit Edius 9.5 WORKSTATION...

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