HOW TO JUDGE A HI FI SYSTEM (from LINN)

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Prithvi
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#1 erstellt: 03. Jul 2005, 14:56
Hi! Guys,
Here's information from LINN that is helpful & informative to all. Hope you like it. Its already on their website. Thought as the sole LINN Dealer Retailer in India, I must share this with the forum guys. Do visit www.linn.co.uk for more info. Well here goes:-

HOW TO JUDGE AND CHOOSE A SOUND SYSTEM BY USING TUNE DEMTM.

Question: What is the TUNE DEMTM?
Answer: Active listening (simultaneous silent repetition)

Music can be enjoyed on a portable radio, especially if it is known and loved, but to broaden musical taste, reproduction quality must be good enough to convey the skill of the musicians and communicate the composer’s message. Just as we all had to learn to walk, speak, read and write we have to learn to appreciate music to discover its many benefits.

The Linn philosophy is very simple – if it sounds better, it is better. The TUNE DEMTM is how products should be demonstrated and sold. When carrying out an A-B demonstration, people usually get confused by extraneous factors such as loudness & tone. The TUNE DEMTM is a way to compare different products and systems by deciding how easy it is to follow the tune using simultaneous, silent repetition to appreciate the musical piece as a whole on each system. This active listening allows you to hear quite clearly and determine accurately and repeatedly which sounds better.

The active listening method involves simultaneous, silent repetition of the sound coming from the loudspeakers. The easier it is to follow the melody, the more accurate and true to the original music the system will be.

Singing along with the music may seem over simplistic as a means of assessing a hi-fi system, but the music itself reveals far more to a listener than the scientific terminology of the hi-fi industry. Technical specifications will not tell you how a system sounds, so to make the best choice you have to listen and trust what your ears tell you.

Single Speaker Dem :-
A single speaker demonstration occurs when a system is demonstrated without any other loudspeakers being present in the room. This method is used because any speaker not connected to the system will produce interference which will in turn degrade the performance of the system being demonstrated. As far as possible try and get to listen to a single pair of LINN spks in a room, sometimes this is not possible if your retailers has less space and he has many spks in the same room. Then the best solution is to ask for a home demo.


HOW TO JUDGE A HI FI SYSTEM (Part-2)
(How the Linn TUNE DEM™ helps people to make sound decisions)

The listening procedure that we use to empower customers, and of course that we use internally at Linn, is called the TUNE DEM™. It involves the simultaneous silent repetition of the sound from the system. The easier it is to simultaneously make the same sounds as the system, the more accurate the performance of the system under evaluation. Most people don't know how to listen actively as opposed to hearing passively, and are unaware of how to make qualitative judgements about hi-fi equipment performance. They tend to make quantitative assessments, e.g. prefer more treble, more bass, more openness, more space, stronger image, more guitar. Of course the question is not whether you get more of something, which must mean by definition that you are getting less of something else, but whether you have the correct amount of everything.

This is not a matter of opinion or personal preference or taste. There is such a thing as real music. It has indisputable characteristics and undeniable universal relevance. Silent repetition is what you do when you are listening to someone speaking and you are intent on gaining a complete understanding. You silently repeat everything the person says in your own head. This of course is done naturally and simultaneously without great effort if you are truly interested but requires deliberate effort if you are not or the content is difficult or important. With live music it is perfectly easy to reproduce the music simultaneously in one's own head and one does it unconsciously. This is the mechanism that allows music to communicate the message of the composer and the listener to assess the merit of the performance as they are transported by its communicative power.

When the music is amplified or artificially reproduced, especially if it is recorded music, then there is non-linear alteration to the frequency and amplitude of all the signal components being reproduced. This distorts the pitch relationships, in other words it changes the melody or tune. No hi-fi system can perfectly reproduce the original. The best system is simply more accurate and so consequently easier to simultaneously silently repeat or sing along with than systems that are less accurate and may be impossible to sing along to. It is important to understand that when listening actively you are not meant to try to sing the sound out loud because you would merely work from your internal musical reference and use and project it rather than what you hear, to base your musical judgement.

What you should be trying to do is see if you can reproduce simultaneously and silently inside your own head the actual sounds that are coming from the loudspeakers. The harder it is to do, the less the sound you are listening to is like real music, for which everyone has a natural feel and internal reference scale. With a poor system it is impossible or time-consuming to locate the actual or approximate pitch of any melodic element and before you have had time to locate one part of the music and silently reproduce its pitch in your head things have moved on. The more accurate the system, the easier and quicker it becomes to locate each individual sound and so this provides the time necessary to track, follow and simultaneously silently repeat more elements in the melody. The fact that subsequent elements appear closer to where one would expect helps, as real music has an intelligible melodic story line and things don't just appear at random.

The music elements, chords and notes are always based on the underlying structure, the pedictable scale that provides the foundation for all music and for which all humans possess an internal reference coded by our DNA.

The advantage of the TUNE DEM™ is it provides a way to show people how theycan make consistent and quick judgements that will stand the test of time and that empowers and produces unanimous agreement. If people don't always agree it is only because they have not actually performed the work and made the effort necessary to accurately and effectively judge the sound to which they are listening. If you do nothing you observe nothing and can know nothing. If you don't listen you won't observe or hear things in a consistent or reliable way. It sounds so simple that it seems naive yet anyone who tunes a guitar understands what silent repetition is as you map the external sound of a string being tuned on to the sound you have
previously stored in your head to allow comparison.

People have to learn to grasp hold of the idea that it is what they do that means they are listening rather than hearing, and that active listening as opposed to passive hearing involves tracking the sound constantly, and performing the work necessary to make an accurate observation. The system that is easiest to sing along with when you are trying to listen actively will have the most communicative power and impact when you are simply relaxed and hearing and responding without making this effort.

The above information is from LINN & is to help the anyone interested in knowing more about how to listen.

Rgds

Prithvi


[Beitrag von Prithvi am 03. Jul 2005, 14:57 bearbeitet]
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