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Audio Restoration Tools and Archival Music
Application Notes
29 articles
AN30 Hi Fi to Dine By
Last Updated: January 21, 2024Random audible noise has several practical applications. Some work environments demandprivacy between adjacent offices or cubicles. Some examples are lawyer’s offices, patient roomsin hospitals and general office situations. Another application for random noise is relaxation whichmay help some people get to sleep more quickly and without the use of sedatives. Lastly, randomnoise can be useful...
AN-29 Basic Setup and Installation
Last Updated: February 22, 2023This document is intended to lead you through the basic requirements, setup and installation of either of the two major Diamond Cut Productions, Inc. software products. You will be using DCArtXX.XX for Commercial Audio work and DCForensicsXX.XX for Forensics Audio work. Both demo versions can be found on the Diamond Cut Productions Inc. website store...
AN-28 A Software Based Multicolor Noise Generator
Last Updated: February 2, 2022Diamond Cut Productions Software versions DCArt10.75 and DCForensics10.75 have expanded signal generation capabilities. It adds a new Preview Mode to the Make Waves generator with the ability to directly create numerous random noise distributions (sometimes referred to as various ‘colors of noise’. Link to PDF
AN-26 Optimum Stylus Selection for transferring 78s
Last Updated: January 30, 2022This App Note describes how to choose the optimum stylus and cartridge selection for transferring Edison 78s. Link to PDF
AN-25 Making Pink Noise
Last Updated: January 30, 2022Generating Pink Noise from White Noise This Application Note describes how to make pink noise from the white noise generator contained in DCart. AN-25-Generating-Pink-Noise-from-White-Noise
AN-24 Transferring Vertical Cut Records
Last Updated: January 30, 2022Some records were recorded vertically as opposed to laterally or stereo-phonically (45-0-45). Cylinders were recorded vertically as well as Edison Diamond Discs and Pathe’ Discs. Here is how to transfer them to your computer’s hard drive using Diamond Cut Productions software. Click to Download AN-24
AN-23 Getting Started Guide
Last Updated: January 30, 2022DCArt and DCForensics Getting Started Guide AN-23 is an excerpt for the users manual that is intended to give you a quick overview of how to configure and start your first restoration using Diamond Cut DCart or DC Forensics. AN-23 Getting Started Guide
AN-22 Dynamic Bass Processor
Last Updated: January 30, 2022With the introduction of DCArt10.6 and DCForensics 10.6, we’ve included a novel Dynamic Bass Processor. It can be used as a dynamic low frequency noise reduction system and/or as a dynamic bass enhancer. Here is a detailed description of the system. It can be previewed by downloading the demo of versions 10.6 Click here for...
AN-21 Audio Related Charts, Graphs and Tables of Values
Last Updated: January 30, 2022This is a general knowledge application note of value to all audio professionals and enthusiasts. It contains audio related charts and graphs i including 78 RPM and LP record equalization curves and speed charts, Stylus charts, Tape equalization curves, Electron Tube charts and much more. Its a great reference paper. Click here to view the PDF...
AN-20 Audio Restoration, Enhancement & Authentication Terminology
Last Updated: January 30, 2022This document provides basic definitions of some of the terminology found in the Diamond Cut Productions family of Digital Signal Processing (DSP) software products. These terms are used in the program proper as well as in their help-files and the user’s manuals. Here is a link to the pdf
AN-19 Forensics Audio Laboratory Security Set-up and Procedural Tips
Last Updated: January 30, 2022AN-19 Forensics Audio Laboratory Security Set-up and Procedural Tips This Application Note provides a few security tips one should consider when setting up a Forensics Audio Laboratory AN19.pdf
AN-18B A Comprehensive Feature listing for DCart and DC Forensics 10.x
Last Updated: February 2, 2022We are often asked to provide a complete listing of all of the features in the DCArt10 and DCForensics10 software products. A good way to provide the comprehensive list of all of the features is by way of the User’s Guide Index which is presented here. This is the superset listing of both mentioned products...
AN-17 Virtual Phono Preamp Supported Phono Equalization Curves
Last Updated: January 30, 2022This application note describes the phono equalization curves are supported by the Diamond Cut Productions Virtual Phono Preamplifier (VPP). They can be implemented either via an RIAA hardware preamplifier or (preferably) a Flat hardware preamplifier. Click here to see the full PDF
AN-16 DIY Vinyl Record Cleaner Formulation
Last Updated: January 30, 2022AN-16 describes a recording cleaning formula that you can make yourself at home. Click here to view the complete PDF
AN-15 Theoretical Frequency Response of Records by Format
Last Updated: January 30, 2022This Application Note describes the frequency response of various media formats. Knowing the theoretical frequency response of the media that you are restoring can be of value when cleaning up these recordings. For example when setting up a Low Pass filter to eliminate extraneous noise at the end of a restoration process. However, bandwidth should...
AN-14 Preserving the Proper Phonographic EQ curve with Fractional or High Speed Re-mastering
Last Updated: January 30, 2022There are circumstances in which half (or fractional) speed re-mastering of a record recording is necessary. Also, some situations require high speed dubbing. Examples of situations that require fractional speed re-mastering include warped records which cause skips when played at full speed. Also, you may have a turntable that only supports 33.3 and 45 rpm,...
AN-13 Digitizing Records using a DCP-47K-F Flat Response Magnetic Phono Cartridge Preamp
Last Updated: January 30, 2022The Diamond Cut Productions DCP-47K-F flat response magnetic phono cartridge preamplifier is intended for use with Diamond Cut Production’s audio software which contains a Virtual Phono Preamplifier. Most phono preamplifiers include an RIAA curve within its design circuitry, which produces some distortion and does not perfectly re-create the RIAA curve. The DCP-47K-F produces a ruler-straight...
AN-12 Measuring the Dynamic Range of Your Hearing
Last Updated: January 30, 2022This App note describes a way to measure the dynamic range of your hearing. WARNING: EXTREME CARE SHOULD BE TAKEN TO FOLLOW THE STEPS OUTLINED SO AS NOTTO RISK DAMAGE TO YOUR HEARING OR YOUR AUDIO SYSTEM. PROCEED AT YOUR OWNRISK Click here to download AN12
AN-11 Proper Use of Stereo Phono Cartridges to Transfer Lateral and Vertical Cut Recordings
Last Updated: January 30, 2022The purpose of this Application Note is to point out the correct way to connect a phono cartridge when transferring a Vertical Cut or Lateral Cut recordings. Click here to view the PDF
AN-10 Bringing Acoustic Recordings Back to Life
Last Updated: January 30, 2022This monograph describes a method to correct the audio sound of acoustically recorded music so that the result is as close to “The way it was recorded”, using music from the Edison Record Company. Click here to view the PDF – Bringing Acoustic Recordings Back to Life
AN-9 Land Line Telephone Interface Circuit
Last Updated: January 30, 2022This land line analog interface circuit provides a higher quality signal compared to inductive or acoustic coupling methods. Its frequency response and low distortion are important as well as its ground-loop isolation between the phone line and your recording equipment. Hum levels will be quite low using this interface circuit. Click here to view the...
AN-8 The New Way of recording LP’s
Last Updated: February 2, 2022The New Way of Transferring Records to Your Hard Drive The New Way is simply a whole new approach and new way of thinking regarding the way you play and record your treasured records. This is rather lengthy, but if you bear with us, we think you’ll be glad you did. Here is a link to...
AN-7 Power Line Frequency by Country (hum)
Last Updated: January 30, 2022This is a chart of power line frequencies and voltages by country. The following table may be found useful as aid in authenticating the country of origin of a particular audio recording. Click here to view the PDF
AN-6 Speaker Cable Power Loss Wire chart
Last Updated: January 30, 2022This note is a chart showing Speaker Cable Power Loss by Gauge, Length and Load Impedance Click here to view the PDF
AN-5 Audio Archival Recording
Last Updated: January 30, 2022Since the invention of the Phonograph by Thomas A. Edison at his Menlo Park, NJ laboratory in 1877, recordings have been made and stored for future use as a record of the words, wisdom, sounds and music of all peoples. The degradation of these recordings began the day that they were made. This Application Note...
AN-4 Using DC Live/Forensics for AC Line Frequency Analysis
Last Updated: January 30, 2022This application note describes how to use low frequency AC line frequency signals to make determinations about the authenticity of digital audio files used as forensics evidence. | Click here to view the PDF
AN-3 Using DCart or DCForensics To Create Audio Test CDs
Last Updated: January 30, 2022Diamond Cuts DCart and DCForensics offers a broad suite of real time audio tools including noise reduction, audio enhancement, audio measurement and signal generation. This application note describes the use of these programs to create Audio Test CD’s containing signals useful for audio system electrical and acoustical evaluation. Click here to view the PDF
AN-2 Using DCart or DC Live/Forensics to test your sound cards performance.
Last Updated: January 30, 2022This application note describes how to use two instances of DCart or DCForensics to measure the performance of your sound card. All of our Application Notes are in PDF format, Click here to view the AN-2 PDF
AN-1 Using DCart or DC Live/Forensics as an Audio Signal Generator
Last Updated: January 30, 2022Diamond Cut DCart and Live Forensics offers a broad suite of real time audio tools including noise reduction, audio enhancement, audio measurement and signal generation. This application note describes the use of these programs as an audio generator including swept and random modes of operation. This document assumes that the DC5 or Live5 (or later)...