By F. Alton Everest
Audio productions are made or damaged through the standard of the recording engineer's ears. the power to correctly figure sounds, establish refined difficulties, and act for this reason to use the mandatory repair makes all of the distinction within the caliber of the ultimate tracks and grasp. the good news is that those an important abilities should be realized. the power to immediately determine frequencies, pay attention hidden distortions, and instinctively reconcile conflicts within the EQ of tools, audio components, vocals and extra are qualities of these who've mastered the artwork of audio construction. the simplest engineers have informed their ears to instantly realize audio difficulties that the patron and people new to recording arts could most probably now not pay attention, yet that, if left unresolved, may lead to an amateurish ultimate product. For greater than 20 years, scholars of F. Alton Everest's severe Listening and Auditory notion classes have swiftly built those abilities through the use of the serious classes present in this booklet and at the CD. regrettably the books and CDs integrated with the path have been frequently too pricey for aspiring engineers to buy and have been usually on hand in basic terms in faculties, universities, or tuition libraries. Now for the 1st time those necessary education periods can be found with this free up of serious Listening abilities for Audio execs. via hundreds of thousands of illustrations and an accompanying disc containing high-resolution MP3 records with approximately 5 hours of narration of the full path, you could gather the audio discernment abilities of a pro recording engineer via learning this path at your personal velocity, on your own residence.
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Audio productions are made or damaged through the standard of the recording engineer's ears. the power to correctly parent sounds, establish refined difficulties, and act therefore to use the mandatory repair makes the entire distinction within the caliber of the ultimate tracks and grasp. the excellent news is that those the most important abilities might be discovered.
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Extra info for Critical Listening Skills for Audio Professionals
TIME Your estimate: dB 24 CRITICAL LISTENING LESSON 3 Estimating Frequency Band Limitations Music, male and female voices Talk Tech In this exercise, the width of the overall spectrum of the signal is altered in an orderly fashion so that we may hear the contributions of the various parts of the frequency spectrum. RELATIVE LEVEL — dB +20 First, we listen to music with full bandwidth: +10 0 -10 -20 20 50 100 200 500 1k 2k 5k 10k 20k 2k 5k 10k 20k 2k 5k 10k 20k FREQUENCY — Hz Now, let’s see how the same music sounds with everything cut off below 200 Hz: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k FREQUENCY — Hz And now we will cut off everything below 500 Hz: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k FREQUENCY — Hz 25 CRITICAL LISTENING SKILLS FOR AUDIO PROFESSIONALS Talk Tech Cutting off everything below 1000 Hz has this effect on the music: RELATIVE LEVEL — dB +20 We see that an orchestra generates very significant amounts of energy in the lowfrequency range and that the quality of the music suffers markedly if the full low-frequency range is restricted.
The human voice, on the other hand, covers a narrower range. In the following selections, we shall study the effect on a male voice of removing lowfrequency energy. First, let’s become familiar with the quality of this male voice with the full 20 Hz to 20,000 Hz band: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k 2k 5k 10k 20k 2k 5k 10k 20k 2k 5k 10k 20k FREQUENCY — Hz In this selection, low-frequency energy below 200 Hz is cut off: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k FREQUENCY — Hz Next, everything below 500 Hz is removed: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k FREQUENCY — Hz 30 CRITICAL LISTENING LESSON 3 Talk Tech Now, everything below 1000 Hz will be cut off: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k 2k 5k 10k 20k 2k 5k 10k 20k 2k 5k 10k 20k 2k 5k 10k 20k FREQUENCY — Hz Going back to the full band: RELATIVE LEVEL — dB +20 +10 0 -10 -20 20 50 100 200 500 1k FREQUENCY — Hz We shall now study the effect of removing highfrequency energy from the male voice.
Ref. dB 0 –10 ? ? TIME Your estimate: dB 22 CRITICAL LISTENING LESSON 2 Talk Tech The first change was 10 dB down; then no change from the reference level; and finally, 10 dB up. How do your level judgments compare? Let’s repeat the speech sound for three different changes, again opening and closing with the reference level, with three unknowns in between. speech +10 Ref. Ref. dB 0 ? –10 This is more difficult. The changes were 4 dB up, 8 dB up, and 12 dB up. How do your judgments compare? ? TIME Your estimate: dB Now, let’s exercise our judgment with music.
Critical Listening Skills for Audio Professionals by F. Alton Everest