Welcome. RoomTune Products Acoustics Common Problems Typical Solutions The Roomtune Solution Acoustics The Science of Sound The Science of Sound.

WelcomeWelcome

RoomTune ProductsRoomTune Products

AcousticsAcoustics

Common Common ProblemsProblems

Typical SolutionsTypical Solutions

The Roomtune The Roomtune SolutionSolution

Acoustics Acoustics

The Science The Science of Soundof Sound

Science of SoundScience of Sound

Webster’s defines acoustics Webster’s defines acoustics as: a science that deals with as: a science that deals with the production, control, the production, control, transmission, reception and transmission, reception and effects of sound.effects of sound.

Sound is an alteration or Sound is an alteration or disturbance which is disturbance which is propagated in an elastic propagated in an elastic material acting as a carrier.material acting as a carrier.

Acoustics Acoustics

Room AcousticsRoom Acoustics

A room is a three-dimensional A room is a three-dimensional region containing air. region containing air.

The air has elasticity and The air has elasticity and mass.mass.

The fact that a volume of air The fact that a volume of air possess both mass and possess both mass and elasticity, tells us that elasticity, tells us that vibrations or oscillations are vibrations or oscillations are possible.possible.

The Power The Power

of Soundof Sound

Room AcousticsRoom Acoustics

Once sounds are produced, Once sounds are produced, they vibrate the mass of air in they vibrate the mass of air in the room at various the room at various frequencies depending on the frequencies depending on the number of simultaneous number of simultaneous sounds and their inherent sounds and their inherent harmonic structures.harmonic structures.

The sounds strike objects in The sounds strike objects in the room, as well as the room the room, as well as the room walls, ceiling, doors, floor, etc. walls, ceiling, doors, floor, etc.

The Power The Power

of Soundof Sound

Room AcousticsRoom Acoustics

If we remember our definition If we remember our definition of Acoustics, we realize that of Acoustics, we realize that we are dealing with the effects we are dealing with the effects of sound when we deal directly of sound when we deal directly with the response of the room with the response of the room to the vibrations. to the vibrations.

We are also dealing with our We are also dealing with our reception of the sound after it reception of the sound after it has been shaped by the room.has been shaped by the room.

The Power The Power

of Soundof Sound

What We HEAR…..What We HEAR…..

FrequencyFrequency (f) is the number of cycles that (f) is the number of cycles that the periodic signal completes in one the periodic signal completes in one second. The frequency unit is Hz (Hertz).second. The frequency unit is Hz (Hertz).

We can commonly hear sounds with We can commonly hear sounds with frequencies of 16 Hz to 20,000 Hz. frequencies of 16 Hz to 20,000 Hz. Sounds that are out of this range can not Sounds that are out of this range can not be heard, regardless of their intensities. be heard, regardless of their intensities. The human hearing system (the ears and The human hearing system (the ears and related perception system in the brain) is related perception system in the brain) is more sensitive to frequencies in the more sensitive to frequencies in the range of 1000 Hz-3000 Hz.range of 1000 Hz-3000 Hz.

A sound wave has frequencies, therefore, it has what is called A sound wave has frequencies, therefore, it has what is called wavelengthwavelength, which is , which is the distance the sound travels in one cycle time. The higher the frequency the the distance the sound travels in one cycle time. The higher the frequency the shorter the wavelength. shorter the wavelength.

What We HEAR…..What We HEAR…..

We assign the term We assign the term DecibelDecibel to the to the intensity of the sound in relation to the intensity of the sound in relation to the lowest audible sound the human ear can lowest audible sound the human ear can hear at 1000 cycles per second or hear at 1000 cycles per second or 1000Hz. Ten decibels or 10db would 1000Hz. Ten decibels or 10db would represent a 10:1 ratio or 10 times the represent a 10:1 ratio or 10 times the intensity of the lowest audible sound at intensity of the lowest audible sound at 1000Hz.1000Hz.

Sound in the audible range covers a ratio Sound in the audible range covers a ratio of sound intensities of over one trillion to of sound intensities of over one trillion to one (1,000,000,000,000:1 = 120db.)one (1,000,000,000,000:1 = 120db.)

Threshold of SoundThreshold of Sound

Comfortable Comfortable audible sounds fall audible sounds fall 20 decibels below 20 decibels below the threshold of the threshold of pain. This means pain. This means the intensity of the the intensity of the sound is 1000 sound is 1000 times lower.times lower.

Each intensity Each intensity measurement of measurement of db on this chart db on this chart represents 20 dbs represents 20 dbs of difference.of difference.

Common ProblemsCommon ProblemsRehearsal rooms Rehearsal rooms maskmask or or distortdistort

sound, thereby hindering sound, thereby hindering corrective instruction.corrective instruction.

Students are unable to balance and Students are unable to balance and tune properly, because they tune properly, because they cannot hear themselves or others cannot hear themselves or others effectively.effectively.

Acoustical changes when moving Acoustical changes when moving from rehearsal room to stage, from rehearsal room to stage, cause player disorientation.cause player disorientation.

Common ProblemsCommon ProblemsRehearsal rooms that double as Rehearsal rooms that double as

lecture halls, auditoriums, lecture halls, auditoriums, cafeterias, gymnasiums, etc.cafeterias, gymnasiums, etc.

Tall ceilings, intense reverb and Tall ceilings, intense reverb and delay of sound.delay of sound.

Concrete walls and drop-ceilings Concrete walls and drop-ceilings with inherent “dead spots” and with inherent “dead spots” and “live spots”“live spots”

Typical SolutionsTypical SolutionsPassive acoustic panels installed on Passive acoustic panels installed on

wallswalls

Sound-absorbing ceiling panelsSound-absorbing ceiling panels

Floor-to-ceiling curtainsFloor-to-ceiling curtains

Carpeting on wallsCarpeting on walls

Problems with Typical SolutionsProblems with Typical SolutionsKills the soundKills the sound

Rooms become too “dead”… no reverbRooms become too “dead”… no reverb

Very difficult to hear the rest of theVery difficult to hear the rest of the

ensembleensemble

Treatments are very expensive and Treatments are very expensive and

often difficult to maintainoften difficult to maintain

RoomTune AcousticsRoomTune AcousticsAs sound travels in a room, As sound travels in a room, some is reflected back into the some is reflected back into the room and some is absorbed or room and some is absorbed or transmitted by the material transmitted by the material constructing the room. constructing the room.

Some of this sound travels Some of this sound travels across the walls and ceilings, across the walls and ceilings, and creates pressure areas at and creates pressure areas at corners and where the ceiling corners and where the ceiling meets wall.meets wall.

This acoustical event is termed This acoustical event is termed Laminar FlowLaminar Flow..

The Power The Power

of Soundof Sound

RoomTune AcousticsRoomTune Acoustics

Let us suppose that you took a Let us suppose that you took a cup of water and poured it on cup of water and poured it on a table. a table.

Some water would splash, but Some water would splash, but much of it would run along the much of it would run along the table. table.

If you turn the table sideways If you turn the table sideways and call it a wall, this is what and call it a wall, this is what would happen with the sound would happen with the sound waves.waves.

The Power The Power

of Soundof Sound

The Acoustical Principle and YOUThe Acoustical Principle and YOUMechanical vibration, by playing a Mechanical vibration, by playing a musical instrument, creates sound musical instrument, creates sound pressurepressure

Sound pressure or acoustical energy, Sound pressure or acoustical energy, travels along the flat surfaces of the travels along the flat surfaces of the room.room.

Acoustical energy is collected at the Acoustical energy is collected at the room’s ceiling and wall seams, room’s ceiling and wall seams, creating creating pressure zones. pressure zones.

The The Power Power

of of SoundSound

The Acoustical Principle and YOUThe Acoustical Principle and YOU

Excess energy builds at these Excess energy builds at these locations, becomes amplified, and is locations, becomes amplified, and is forced back into the room.forced back into the room.

This causes distortion of the This causes distortion of the harmonic structure and loss of harmonic structure and loss of certain frequencies.certain frequencies.

The The Power Power

of of SoundSound

The RoomTune SolutionThe RoomTune Solution

Enhance Enhance

the the SoundSound

The RoomTune SolutionThe RoomTune SolutionEnhance Enhance

the the SoundSound

The Solution is to The Solution is to tunetune the room. Many modern the room. Many modern acoustical applications merely alter the room acoustical applications merely alter the room acoustics. The room itself is an instrument as acoustics. The room itself is an instrument as soon as the first note is sounded. It would seem soon as the first note is sounded. It would seem that just as it is important to tune the instrument it that just as it is important to tune the instrument it would be even more important to would be even more important to tune the room. tune the room. RoomTune products do just that, they tune the RoomTune products do just that, they tune the room! The following slides explain the individual room! The following slides explain the individual RoomTune products and their application.RoomTune products and their application.

RoomTune Solution RoomTune Solution and Sound and Sound

EnhancementEnhancement

The Corner TuneThe Corner Tune This is placed in the corners This is placed in the corners

of the room. of the room. It slows the travel of energy It slows the travel of energy

and provides controlled and provides controlled direction of sound. direction of sound.

The waveforms returning into The waveforms returning into the room now, are similar in the room now, are similar in structure to the original structure to the original sound.sound.

Tonal balance is realized.Tonal balance is realized.

Corner TuneCorner Tune

RoomTune Solution RoomTune Solution and Sound and Sound

EnhancementEnhancement

The Echo TuneThe Echo Tune Acoustical energy traveling the Acoustical energy traveling the

ceiling and mid-wall seams ceiling and mid-wall seams builds, creating an “echo” slap builds, creating an “echo” slap effect.effect.

The Echo Tune reduces this The Echo Tune reduces this pressure zone. pressure zone.

The room becomes less The room becomes less reverberant. reverberant.

Listening levels become Listening levels become balanced.balanced.

Echo TuneEcho Tune

RoomTune Solution RoomTune Solution and Sound and Sound

EnhancementEnhancement

The TuneStripThe TuneStrip An acoustical event termed Laminar An acoustical event termed Laminar

Flow occurs as air pressure travels Flow occurs as air pressure travels along the mid-wall portion of the along the mid-wall portion of the room.room.

The interaction of old energy and The interaction of old energy and new energy converging, produces new energy converging, produces further disturbances of the further disturbances of the harmonic structure.harmonic structure.

TuneStrips prevent this series of TuneStrips prevent this series of sound waves from occurring.sound waves from occurring.

Increases the tonal production of Increases the tonal production of the listening environment.the listening environment.

TuneStripTuneStrip

RoomTune Kits for RoomTune Kits for Rehearsal HallsRehearsal Halls

Place CornerTunes in each Place CornerTunes in each corner of the room.corner of the room.

Place EchoTunes centered Place EchoTunes centered on each wall at ceiling on each wall at ceiling height. Walls exceeding 32’ height. Walls exceeding 32’ must have additional must have additional EchoTunes placed at 8’ EchoTunes placed at 8’ intervals.intervals.

Place TuneStrips into the 45 Place TuneStrips into the 45 degree angle of each room degree angle of each room corner at equal distance corner at equal distance between floor and ceiling. between floor and ceiling. Also place Tunestrips at Also place Tunestrips at mid-wall intervals 8’ apart.mid-wall intervals 8’ apart.

Tunepak

RoomTune Kits RoomTune Kits for Rehearsal for Rehearsal

HallsHalls

For tall rooms with For tall rooms with ceiling heights ceiling heights above 14 feet, the above 14 feet, the TuneStrips should TuneStrips should be installed as be installed as shown.shown.

Mini Tunepak Mini Tunepak Kits for Practice Kits for Practice

Rooms and Rooms and officesoffices

The Mini Tunepak The Mini Tunepak is designed is designed specifically for specifically for small practice small practice studios, lesson studios, lesson studios and offices.studios and offices.

The products The products should be installed should be installed in a similar fashion in a similar fashion as the Tunepak.as the Tunepak.

RoomTune Solution and Sound RoomTune Solution and Sound EnhancementEnhancement

“It is amazing what these products have done for the sound of my band room. Everything from the stereo, to the instruments, to my own voice sounds better. “

Jeremy A. Miller , Director of Bands

Heritage Middle School, Middlebury, Indiana

Eastman Eastman School Of School Of

MusicMusic

““The acoustical difference is remarkable! A room known The acoustical difference is remarkable! A room known for its booming and uneven acoustics has been transformed for its booming and uneven acoustics has been transformed into a superb multi-purpose space, now effective for a wide into a superb multi-purpose space, now effective for a wide range of ensembles, as well as for teaching and lecturing. I range of ensembles, as well as for teaching and lecturing. I am personally astonished at how such a simple and am personally astonished at how such a simple and aesthetically appealing addition makes such an amazing aesthetically appealing addition makes such an amazing difference.” James Undercoflerdifference.” James Undercofler

State State University of University of

New York New York Oneonta Oneonta

““What is even more incredible, the ambience of the What is even more incredible, the ambience of the rehearsal room remains exciting alive and vibrant, rehearsal room remains exciting alive and vibrant, rather than being dampened to a lackluster thud rather than being dampened to a lackluster thud that the standard acoustically absorbent materials that the standard acoustically absorbent materials produce. Plus, the treatments are so simple to produce. Plus, the treatments are so simple to install that our custodian was able to do it in less install that our custodian was able to do it in less than half a day.” Dr. Robert Barstowthan half a day.” Dr. Robert Barstow

Naples Naples Central Central

High High SchoolSchool

““In the main rehearsal room, I installed (very In the main rehearsal room, I installed (very easily, I might add) the EchoTunes, easily, I might add) the EchoTunes, CornerTunes and TuneStrips. I can now easily CornerTunes and TuneStrips. I can now easily identify and place sounds in the room and the identify and place sounds in the room and the whole ensemble sound is much more whole ensemble sound is much more harmonious. Thank you for an amazing harmonious. Thank you for an amazing product.” Scott Kickbush, Director of Bandsproduct.” Scott Kickbush, Director of Bands

Penfield Penfield Central Central

High High SchoolSchool

““This was truly an educational and “ear-opening” experience. I had not This was truly an educational and “ear-opening” experience. I had not perceived my band room to have especially bad acoustics, but, I knew I perceived my band room to have especially bad acoustics, but, I knew I was unhappy with what I was able (or unable) to hear. Having was unhappy with what I was able (or unable) to hear. Having experienced the room treated with your products, I am now painfully experienced the room treated with your products, I am now painfully aware of how the subtle inadequacies of the room in its untreated state, aware of how the subtle inadequacies of the room in its untreated state, affect rehearsals. Now that I am sensitized to the acoustical problems that affect rehearsals. Now that I am sensitized to the acoustical problems that plague rehearsal rooms, it is clear that having good acoustics is not a plague rehearsal rooms, it is clear that having good acoustics is not a luxury. They are an essential component of a good rehearsal luxury. They are an essential component of a good rehearsal environment. Your products are effective, easy to install and a fraction of environment. Your products are effective, easy to install and a fraction of the cost of more traditional materials.” Charles Van Buren, Band Directorthe cost of more traditional materials.” Charles Van Buren, Band Director