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Author Topic: Voice analyzer  (Read 474 times)

Tim Fevens

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Voice analyzer
« on: January 22, 2018, 05:32:20 pm »

Does any know of an app that can be used to analyze the voice of a singer and get a visual snapshot of the frequency for each note in their vocal range? What Iím looking at doing is getting that snap shot of the singer with out going through the sound system. Then when they sing  through the system I can tweak the voice to match the visual spectrum.
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Scott Holtzman

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Re: Voice analyzer
« Reply #1 on: January 22, 2018, 05:47:08 pm »

Does any know of an app that can be used to analyze the voice of a singer and get a visual snapshot of the frequency for each note in their vocal range? What Iím looking at doing is getting that snap shot of the singer with out going through the sound system. Then when they sing  through the system I can tweak the voice to match the visual spectrum.

Per the rules of engagement on this site you must update your display name to be your real name, then we can help you.
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TJ (Tom) Cornish

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Re: Voice analyzer
« Reply #2 on: January 24, 2018, 09:21:14 am »

Does any know of an app that can be used to analyze the voice of a singer and get a visual snapshot of the frequency for each note in their vocal range? What Iím looking at doing is getting that snap shot of the singer with out going through the sound system. Then when they sing  through the system I can tweak the voice to match the visual spectrum.
Hi Tim.  You're looking for an "RTA" or audio spectrum analyzer application, and there are a number of them available for mobile platforms and PCs/Macs.  They are indeed useful for identifying specific frequencies, but take some practice to interpret.

What device are you hoping to run this software on? 

On my iPhone I have the AudioTools by Studio Six which has an RTA function and is a useful app.  Keep in mind that you need to get audio into your device somehow, and the microphone built-in to your device may not be particularly accurate.
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Ken Cross

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Re: Voice analyzer
« Reply #3 on: January 24, 2018, 09:44:04 am »

I use Spectroid on my Android.

Ken
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Keith Broughton

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Re: Voice analyzer
« Reply #4 on: January 24, 2018, 10:00:58 am »

Does any know of an app that can be used to analyze the voice of a singer and get a visual snapshot of the frequency for each note in their vocal range? What Iím looking at doing is getting that snap shot of the singer with out going through the sound system. Then when they sing  through the system I can tweak the voice to match the visual spectrum.
While this might seem like a "good idea", there are way more nuances to a singer's (or instrument's) voicing.
The phrases, power, emotion (to name a few) influence the timbre and to try and capture a measurement to apply EQ to, is ...problematic.
You have to listen and make the changes required and sometimes those changes can be in the same song and differ from song to song.
Hence the use of frequency dependant EQ and compression.
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Tim Fevens

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Re: Voice analyzer
« Reply #5 on: January 25, 2018, 04:22:12 pm »

While this might seem like a "good idea", there are way more nuances to a singer's (or instrument's) voicing.
The phrases, power, emotion (to name a few) influence the timbre and to try and capture a measurement to apply EQ to, is ...problematic.
You have to listen and make the changes required and sometimes those changes can be in the same song and differ from song to song.
Hence the use of frequency dependant EQ and compression.

Looks like I have some studying to do. Thank you for your reply.
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Jonathan Johnson

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Re: Voice analyzer
« Reply #6 on: January 25, 2018, 05:08:07 pm »

While this might seem like a "good idea", there are way more nuances to a singer's (or instrument's) voicing.
The phrases, power, emotion (to name a few) influence the timbre and to try and capture a measurement to apply EQ to, is ...problematic.
You have to listen and make the changes required and sometimes those changes can be in the same song and differ from song to song.
Hence the use of frequency dependant EQ and compression.

One of the things to remember is that electronic reproduction or reinforcement of audio is rarely linear and difficult to predict.

That is, the frequency response curve at one amplitude (SPL) can be different at another amplitude. And the dynamic effect can be different at different frequencies -- there may be inherent frequency-dependent compression or expansion in the electronics. So, for example, your source may have narrow dynamics at low frequency but the system reproduces it with wide dynamics, and the source may have wide dynamics at a higher frequency but the system reproduces it with narrow dynamics.

To put it another way, however you adjust your parameters (frequency & dynamics) in a test environment with a source of known calibration, the adjustment is only truly valid for that source in that environment.

In real life, equalization (frequency & dynamics) for accurate reproduction/reinforcement is a moving target.
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Ivan Beaver

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Re: Voice analyzer
« Reply #7 on: January 25, 2018, 08:14:24 pm »

Does any know of an app that can be used to analyze the voice of a singer and get a visual snapshot of the frequency for each note in their vocal range? What Iím looking at doing is getting that snap shot of the singer with out going through the sound system. Then when they sing  through the system I can tweak the voice to match the visual spectrum.
I am confused on what you are trying to do.

What do you mean "match the visual spectrum"?

Each note has of a singer or instrument has MANY freq-unless it is a clean whistle.

There is a huge set of overtones/harmonics involved, it is NOT anywhere near a sine wave.  Yes, there will be a basic fundamental freq, but the overtone structure is what makes the difference between singing a middle C and a trumpet playing the same note/freq.
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Ivan Beaver
Danley Sound Labs

PHYSICS- NOT FADS!
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