Enhancing Spoken Word Over Tape Hiss

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quantumeffect
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2011/04/11 20:43:07 (permalink)

Enhancing Spoken Word Over Tape Hiss

I have a recording (an interview) that was made in the mid 90’s on a Radio Shack hand held voice recorder.  The tape hiss, as you can image, makes it a challenge to hear what the person is saying.  Additionally, the conversation was peaking at around -24dB.

By passing it first through a Blue Cat Audio graphic eq, aggressively cutting every band except 3K, followed by the Voxformer with additional eq and compression, the intelligibility was somewhat improved.  It was brought up to -6 dB using the gain stages on the 2 plugs.

I really don’t have occasion to do this sort of restoration stuff … any (reasonably priced) suggestions would be greatly appreciated?

Thanks,
Dave

Dave

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    Philip
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    Re:Enhancing Spoken Word Over Tape Hiss 2011/04/11 21:09:11 (permalink)
    waves software (32-bit unfortunately) has a fair hiss remover a fair hum remover and a decent noise remover.

    Soundforge has similar.

    Voxengo and Izotope, IIRC, have stuff for that, too.

    Philip  
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    #2
    quantumeffect
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    Re:Enhancing Spoken Word Over Tape Hiss 2011/04/19 06:47:56 (permalink)
    I ended up e-mailing the file off  after using a very aggressive eq followed by a compressor.  I used different combinations of eq’s and compressors with about the same result.

    As you can imagine, the question has been asked many times and I found one forum where somebody had gone through the effort of ranking the various plugin “utilities” … and in general folks seem to have reasonable success with Voxengo’s Redunoise so that is the one I tried.  It took a while to figure out how to adjust the parameters … in the end, the artifacts introduced by the Redunoise plug, a swirling / fishbowl sound (presumably some sort of phasing effect) negated the hiss reduction effect ... at least in my opinion.

    Dave

    8.5 PE 64, i7 Studio Cat, Delta 1010, GMS and Ludwig Drums, Paiste Cymbals

    "Everyone knows rock n' roll attained perfection in 1974. It's a scientific fact." H. Simpson

    "His chops are too righteous."  Plankton during Sponge Bob's guitar solo 
    #3
    codamedia
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    Re:Enhancing Spoken Word Over Tape Hiss 2011/04/19 07:35:48 (permalink)
    The Noise Reduction plugin with Sound Forge is very good with removing tape hiss, however if you don't have Sound Forge already it's a relatively expensive program, and I'm not sure if the Noise Reduction plugin comes with the light package.

    Don't fix it in the mix ... Fix it in the take! 
     

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    chuckebaby
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    Re:Enhancing Spoken Word Over Tape Hiss 2011/04/19 08:20:31 (permalink)
    i have a friend with a professional studio who uses waves for this..he gets clients who come in with hand held devises all the time.,answering machine tapes.ive herd his work.its amazing what they will do.but when he told me the price he paid for it.i dropped a pebble.

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    bitflipper
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    Re:Enhancing Spoken Word Over Tape Hiss 2011/04/19 10:13:26 (permalink)
    Adobe Audition has a hiss removal tool that works remarkably well, as long as you have a short section that's all hiss and no intelligence. You give the tool that hiss sample and it takes a spectral fingerprint of it so it knows just what to remove. If the hiss is consistent, e.g. tape hiss or fan noise, the tool yields surprisingly good results.

    BTW, anybody who wants to get Audition should do so quickly, as it will soon become unavailable, having been superseded by a more expensive and somewhat dumbed-down version.


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