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Virtual Localization by Blind Persons - July 2012
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Effect of Spatial Location and Presentation Rate on the Reaction to Auditory Displays - July 2012
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Watermark-Aided Pre-Echo Reduction in Low Bit-Rate Audio Coding - June 2012
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Journal of the AES
2006 April - Volume 54 Number 4
Papers
| PAPERS | |
| A Hybrid Technique for Validating Unidimensionality of Perceived Variation in a Spatial Auditory Stimulus Set (PDF-447KB) (HI-RES PDF-8MB) | |
| Tobias Neher, Tim Brookes, and Francis Rumsey | 259 |
| Having a set of audio stimuli that varies along a specified single perceptual dimension, regardless of variations in physical acoustic parameters, would be extremely useful in subjective experiments that require training or reference stimuli. After considering various paradigms for validating such a set, a hybrid technique comprising multidimensional scaling and subject-specific verbalizations proved to be the most promising. This technique was developed further and experiments demonstrated that it revealed which groups of stimuli vary as intended along a single perceptual dimension and which vary along multiple dimensions. | |
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| Spatially Modulated Auditory Alerts for Aviation (PDF-249KB) (HI-RES PDF-5.3MB) | |
| Durand R. Begault, Mark R. Anderson, and Bryan U. McClain | 276 |
| Detection of a nonspeech auditory alert (alarm) in a noisy environment increases when such an alert is moved along a virtual spatial trajectory using a 3-D auditory display. This approach decreases thresholds by as much as 8 dB because of dynamic changes in level and interaural cross-correlation of the signals at the two ears. | |
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| ENGINEERING REPORTS | |
| Dynamic Crosstalk Cancellation for Binaural Synthesis in Virtual Reality Environments (PDF-478KB) (HI-RES PDF-11.5MB) | |
| Tobias Lentz | 283 |
| In order to create a 360-degree virtual reality with free listener movement, a system was designed with a combination of dynamic head-tracking crosstalk cancellation and binaural synthesis of spatial environments. Rather than use two loudspeakers with limited rotational range, the proposed system uses two pairs of loudspeakers with dynamic crossfading as the listener rotates his head through eight sectors. Preliminary tests in an environment with reflections demonstrate the feasibility of the approach. | |
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| Model Optimization of Distributed-Mode Loudspeaker Using Attached Masses (PDF-496KB) (HI-RES PDF-8.6MB) | |
| Suzhen Zhang, Yong Shen, Xiaoxiang Shen, and Jinglei Zhou | 295 |
| While distributed-mode loudspeakers have many advantages compared with conventional cone topology, they usually have excessive fluctuation in frequency response. By attaching area masses, resonances in selective frequency regions can be distributed more evenly, and the excessive fluctuation is reduced. A generic algorithm has been developed to optimize the position, weight, and number of such masses. Simulated results using FEMLAB were experimentally tested in an anechoic chamber, thus validating the approach to improving distributed-mode topologies. | |
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| STANDARDS AND INFORMATION DOCUMENTS | |
| AES Standards Committee News (PDF-89KB) | 306 |
| Unique identifiers in AES3; audio in ATM networks; audio metadata; forensic audio | |
| FEATURES | |
| 28th Conference Preview, Piteå, Sweden (PDF-285KB) | 308 |
| Calendar (PDF-132KB) | 311 |
| Program (PDF-538KB) | 312 |
| Audio Power Amplification (PDF-429KB) (HI-RES PDF-4.1MB) | 319 |
| 30th Conference, Saariselkä, Finland, Call for Papers (PDF-84KB) | 336 |
| DEPARTMENTS | |
| News of the Sections (PDF-237KB) | 324 |
| Upcoming Meetings (PDF-229KB) | 328 |
| Sound Track (PDF-130KB) | 329 |
| New Products and Developments (PDF-97KB) | 331 |
| Available Literature (PDF-155KB) | 332 |
| Membership Information (PDF-111KB) | 334 |
| Advertiser Internet Directory (PDF-113KB) | 335 |
| Sections Contacts Directory (PDF-143KB) | 337 |
| AES Conventions and Conferences (PDF-208KB) | 344 |
| EXTRAS | |
| Cover & Sustaining Members List (PDF-138KB) | |
| AES Officers, Committees, Offices & Journal Staff (PDF-135KB) | |
