### Dean Parker (@deanpk)

Composer's assistant for film composer Carter Burwell and music producer.

## Re: Calculating optimal loop point in audio sample

In audio editing application we make the edit based on the visual waveform (zoom right into the wave sample) at the point where the wave crosses 0 on the vertical...

## Re: How do I produce a covariance matrix from IQ samples?

Sounds beautiful. What is the purpose of the music algorithm? To compose music? Or process audio or some other processing concept?

## Re: Digital Emulation of Tube Amps

I took a quick look at A: https://www.researchgate.net/publication/224642046...which makes a digital version of a tube amp analog circuit, I think is what it does.And...

## Re: Restorative Up-Sampling (RUP) and Quantization Error and Artifact Reduction (QEAR)

If it helps, as you note it does, the concept of using the "infinite silence" which is often at the start and end of a piece of audio program is a great idea. Yes...

## Re: Calculating the Effective bit resolution from a .WAV recording?

I am audio person not math/DSP. But generally in audio one wants to keep the highest sample and bit rate possible at all times. If you have these 'ambient' noise...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

My work has been for the film composer Carter Burwell, and for the notable productions I will refer you to the IMDB.com database as there are many and interesting.And...

Great thanks!

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

I also have to note that this information is incredibly helpful:"If you add two signals, one of which is big relative to the other, the accuracy of the smaller...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Astounding information. I thank you for taking the time to explain in these terms, thank you. I grasp it's practical implementations and my incorrect notions of...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Very comprehensive and exactly to my practical application. And patient, thank you.So at 32-bit processing the internal DSP is not clipping even though the meters...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Yep. Agree - if the Pro Tools meters and wave form specify and indicate clipping, one would think they are clipping. If the file is printed clipped, it is clipped.I...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Thank you Thread contributors.Points taken on DAW and internal DSP 32 processing. Thank you - question at bottom.Metering in DAW can also be various, and misleading...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

One last summary for the archive - clearly I am not claiming 100% truth, just a narrative of what might be happening in some cases.Deliberate digital limiting soft...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Thank you I appreciate that. Looking back through the thread here I feel I have a much better understanding of clipping and how DSP might deal with it.From an audio...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

"(except for numeric overflow which is NOT happening in modern DAWs)"Is this due to the greater headroom of 32 floating point processing?

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Thanks again. I am better informed.Can I put it in terms of wave form shape, maybe it clarifies:A transient wave form that does not clip has a smooth short crest...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Fantastic information. And your descriptions of the sonic effects I corroborate, I grasp you points.In orchestral recording for film, which I do a lot of, we do...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Thank you for your reply. Audio engineering the signal and usage of plugins to achieve analog style saturation and coloration effects is very common and I am very...

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Excellent. "DSP process called "limiting" - this is the topic I am interested."narrow peak" - in audio this is likely what we call a 'transient peak' in the approx....

## Re: DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Thank you I appreciate your reply. I can add some more detail in response.This process described "Soft clipping is a method that has a non-linear amplitude curve...

## DSP "digital complex limiter" "crest factor" - digital audio soft clipping

Hello - I read an old thread on how in some circumstances DSP deals with peak digital audio clipping.I have a question regarding how DSP processes clipped audio...

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