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Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview
Evolution, Concept and
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© 2014 Creative Technology Ltd. All rights reserved. Creative and the Creative Logo are trademarks or registered
trademarks of Creative Technology Ltd in the United States and/or other countries. The Bluetooth
logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Creative Technology Ltd is under license.
®
aptX
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property of their respective owners and are hereby recognized as such. All specifications are subject to change without
notice. Actual contents may differ slightly from those pictured. Use of this product is subject to a limited warranty.
10/7/2014
Sound Blaster ROAR
Technology Overview
SR20A
White Paper
Corporate Headquarters
Creative Technology Ltd.
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Creative Resource
Singapore 609921
Tel: +(65) 6895 4000
Fax: +(65) 6895 4999
Creative website:
www.creative.com
Version 1.12
July 2014
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Summary of Contents for Creative Sound Blaster ROAR SR20A
- Page 1 Creative Technology Ltd in the United States and/or other countries. The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Creative Technology Ltd is under license. ® aptX is a trademark of CSR plc.
- Page 2 Simply put, a good speaker system – due to its ability to accurately reproduce the original source – enables listeners to achieve oneness with the music being played. That in a nutshell is what we have set-out to achieve with the Sound Blaster Roar SR20A. 10/7/2014...
- Page 3 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Main Design Considerations Through our many years of research in one-piece speaker systems, and countless in- house research projects in our sound laboratories and listening rooms, Creative has identified key usage patterns in the portable speaker category.
- Page 4 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Passive conventional Active or Bi-Amplified ‘Boxer-Style’ Low Centre of Gravity Design Unlike top-heavy, front/rear-designed speakers that vibrate and move out of position at high volumes, the Sound Blaster Roar is designed to be remarkably stable with its low centre of gravity.
- Page 5 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Space-Filling Dispersion Dispersion which refers the throw of sound into its acoustic space is a very important factor in reproducing spacious sound for a loudspeaker system. For a one-piece speaker system, it is always a challenge to deliver a convincing “stereo”...
- Page 6 Far-field Dual Left-Right Channel Satellite Drivers The Sound Blaster Roar SR20A delivers highly detailed highs. This is due to the inclusion of dual 1.5” high frequency drivers that are made for ‘Far-field’ high-frequency dispersion. These drivers feature a Kapton voice coil former with excellent dielectric properties for improved thermal handling.
- Page 7 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview AptX Codec Support What is aptX? Originally developed for use in the professional audio and broadcasting sectors, aptX is a real-time digital audio data reduction system that compresses linear audio samples by a factor of 4:1 with no perceptible audible degradation and with negligible delay.
- Page 8 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview AAC Content Support AAC (Advanced Audio Coding) is the default file format on the iPhone, iPod and the iTunes software, and for downloads from the Apple iTunes store. The compression scheme it uses is better than that of MP3, and AAC can better render the higher frequencies produced by certain musical instruments and by the human voice.
- Page 9 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Sound Tuning or Voicing -- It’s All about Sound Quality Most Portable loudspeakers today are “clones”. Cheap plastic knock-offs that share the same generic design and are re-badged, re-shelled from a common contract manufacturer.
- Page 10 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview PA-1 FRONT VIEW PA-1 REAR VIEW In House reference Pre-Amplifier PA-1 10/7/2014...
- Page 11 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview TeraBass What is it? TeraBass is a feature that intelligently compensates the loss of perceived loudness in bass during low level playback without artificially over accentuating bass levels. TeraBass...
- Page 12 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview When do I use TeraBass? TeraBass is best used when: • The Roar SR20A is listened to at low to medium volume levels (Eg Near-field use) • The Roar SR20A is placed in an environment where there is an absence of boundary walls for bass re-enforcement.
- Page 13 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Link Security : LS MODE There are many ways to maintain Bluetooth connectivity; The SoundBlaster Roar SR20A has just about the most comprehensive and versatile connection security options available.
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Page 14: Other Features
The Sound Blaster Roar also comes with the following other features that enhance its usability High-Performance Built-In Microphone The microphone of the SR20A is located right above the Creative badge behind the metal grille. This allows hands-free calls via your smart phone. 10/7/2014... - Page 15 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Monocoque Endo-skeletal Chassis This construction allows for maximum rigidity and stiffness, and translates all created energy into clean audio output. The lack of separate individual parts joined together also means that the speaker chassis doesn’t rattle when bass-heavy audio tracks are pumped...
- Page 16 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview Integrated MicroSD WMA and MP3 Player The Sound Blaster Roar SR20A conveniently features an integrated MicroSD WMA and MP3 Player that allows users to play audio directly from a MicroSD card, so users do not need to always commit their smartphone to play music.
- Page 17 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview NFC (Near–Field Communication) Located on the top right corner, the SR20A features a NFC receptor; simply establish Bluetooth connection to any NFC-enabled smart device without needing to access setup.
- Page 18 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview MegaStereo Feature The Sound Blaster Roar SR20A is already a stereo speaker system, with left and right signals routed via the respective left and right high frequency drivers.
- Page 19 (master) to the left Sound Blaster Roar’s Auxlliary Input and the red jack (slave) to the right SoundBlaster Roar’s Auxillairy Input. The left (Sound Blaster Roar SR20A) detects the MegaStereo cables’ white jack (master) and its built-in processor configures it to play only the left channels on both drivers,...
- Page 20 Sound Blaster Roar SR20A White Paper – Evolution, Concept and Tech Overview 3.5mm Analog Aux-in Cable usage MegaStereo cable also doubles as an Aux-In analog cable. Where the White (Master) 3.5mm jack connects to the source device and the Red (Slave) 3.5mm jack connects to the loudspeaker.