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Open accessProceedings ArticleDOI
Tony S. Verma, Teresa H. Meng 
05 Jun 2000
51 Citations
The audio coder offers a wide range of scalability while the audio quality of the coding scheme gracefully degrades from perceptually lossless to low-quality.
Proceedings ArticleDOI
05 Dec 2005
7 Citations
It is shown that AVS audio codec is enough for Hi-Fi audio applications.
The results of the survey strongly support the value of the 3‐D audio interface for ...
The proposed architecture provides excellent flexibility with respect to the different audio applications implemented, high quality audio, and an energy efficient solution.
Proceedings ArticleDOI
02 Jul 2007
14 Citations
With this approach, significant advantages have been obtained: (1) the communication channel for audio data transmission is avoided; (2) the synchronization between audio and video data is robust to packet loss.
The implementation and evaluation results lead to the conclusion that the proposed audio processor is of outstanding efficiency and cost-effectiveness for next-generation audio applications.
Open accessJournal ArticleDOI
01 Apr 2000-Organised Sound
10 Citations
The library is demonstrated to provide a useful base for research and development of audio processing software.
Therefore, the proposed architecture is better suited for various audio codecs.

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How sharpening and predictive coding differ?
5 answers
Sharpening and predictive coding differ in their approaches and applications. Sharpening, as described in Context_4, involves enhancing high-frequency details in pictures by applying a sharpening filter to base layer reference pictures in Scalable High Efficiency Video Coding (SHVC). This process aims to reduce residuals between the source and predicted pictures, leading to improved compression rates. On the other hand, predictive coding, as discussed in Context_1 and Context_5, focuses on generating accurate and sharp future frames in video encoding. It involves a model that combines bottom-up and top-down information flows to enhance interactions between network levels, ensuring clear and natural frame generation. While sharpening is more specific to enhancing image details for compression efficiency, predictive coding is broader, aiming to generate high-quality frames for video applications.
What is required for online hearing tests?
5 answers
Online hearing tests require various components and procedures for accurate calibration and testing. These include methods for biological calibration to approximate reference sound levels based on normal hearing thresholds, interactive fitting systems allowing non-expert consumers to adjust hearing aid parameters online, screening tests to ensure participants are using headphones for accurate sound presentation, apparatus for delivering audio tones over the internet with fine control over sound levels and feedback mechanisms for calibration, and validation procedures to select participants with normal hearing status and standardize headphone use for accurate online psychoacoustic tasks. These components collectively enable the successful implementation of online hearing tests by ensuring calibration accuracy, user-friendly interactions, and reliable data collection.
How does backrgound music improve spatial processing?
5 answers
Background music can enhance spatial processing by stimulating auditory muscles, imprinting frequency maps, and promoting dendritic growth and synaptic organization. Musical training has been shown to significantly improve binaural and spatial processing abilities, as musicians outperformed non-musicians in tests measuring interaural time differences, interaural level differences, virtual acoustic space identification, and speech spatial qualities. Additionally, incorporating background music processing methods in electronic devices can improve user experience by reducing the difficulty of searching for music and enhancing music search inputs. Moreover, presenting spatial audio through binaural headphones with filtered signals through Head Related Transfer Functions (HRTFs) can provide cues for sound localization, contributing to spatial processing improvements.
How effective are these methods in preventing data loss?
4 answers
The effectiveness of methods in preventing data loss varies across different technologies and applications, as evidenced by the research contexts provided. The study by Bakir on speech coding demonstrates the importance of advanced coding techniques, such as hybrid models, in preserving the integrity and originality of audio data, which is crucial for applications in forensics and data authentication. Similarly, Mani and Nene's proposal to use Software Defined Networking (SDN) to mitigate link-flapping in critical networks like Defence Networks shows a promising approach to ensuring uninterrupted data flow and reducing data loss due to network failures. Hu Haibo et al.'s data theft prevention method, which employs a recognition model to prevent leakage of model parameters, indicates a sophisticated approach to safeguarding sensitive data against unauthorized access, thereby preventing data loss indirectly through data theft. Su Yong's method focuses on preventing data loss caused by physical damage, such as water inflow to electronic equipment, highlighting the importance of hardware-level solutions in data loss prevention strategies. Dorogoy's technique for reducing false positives in identifying confidential data within text documents underscores the significance of precision in data loss prevention mechanisms, ensuring that legitimate data usage is not unnecessarily blocked. Ding Fuhai's memory data loss prevention method through snapshotting in pattern matching engines illustrates an innovative approach to enhancing memory data reliability. Surendhar et al. discuss the mitigation of SQL Injection vulnerabilities to protect sensitive web application data, showing the critical role of software security in data loss prevention. Lin's method for preventing data loss in transistor-based memory units by controlling electron flow within the memory's architecture offers a technical solution to preserving data integrity at the component level. Deng Lijun et al.'s emergency command system, which includes cloud platform backup for critical data, demonstrates the utility of redundancy and remote backup in preventing data loss during emergencies. Lastly, Paracha et al.'s overview of Data Loss Prevention (DLP) systems highlights the comprehensive approach required to protect sensitive information from both internal and external threats, emphasizing the role of technology in regulatory compliance and internal security. In summary, these methods collectively show a high level of effectiveness in preventing data loss across various domains, including network reliability, physical damage protection, theft prevention, memory reliability, software security, and comprehensive data protection strategies. Each approach addresses specific vulnerabilities and threats, underscoring the multifaceted nature of data loss prevention.
Why do TV broadcating employ amplitude modulation for video and frequency modulation for audio?
5 answers
TV broadcasting employs amplitude modulation (AM) for video and frequency modulation (FM) for audio due to specific advantages. AM is utilized for video signals as it allows for the placement of digital video channels at desired frequencies without the need for intermediate frequencies, as described in. On the other hand, FM is preferred for audio signals due to its ability to directly place stereo audio signals at desired channel frequencies, simplifying the broadcasting process, as highlighted in. This modulation strategy optimizes the transmission of both video and audio components in a television broadcast signal, ensuring efficient signal processing and quality delivery to viewers.
How do sound chips work?
5 answers
Sound chips work by utilizing various components and mechanisms to process and produce sound. They typically consist of elements like loudspeakers, audio amplifiers, pulse width modulation (PWM) control circuits, and microcircuits for signal generation. The loudspeaker in a sound chip includes a substrate with a thermotropic sound-making element connected to electrodes, all housed in a package casing with openings for sound emission. An audio processing chip integrates a connecting port, audio amplifier module, and PWM control circuit to amplify and control audio signals. Additionally, a chip microphone employs capacitors and transistors to amplify voltage changes caused by sound vibrations, with metal layers and insulation contributing to signal processing. These components collectively enable sound chips to receive, process, and output audio signals effectively.
What is encoding in computer?
5 answers
Encoding in computers refers to the process of converting data into a specific format for various purposes. This can involve encoding text data based on predefined rules, encoding differences between pixels in images for efficient storage and transmission, encoding specific items in CSV files into encoded and encrypted formats, converting information about audio signal components for efficient encoding and detection of transients, and generating compressed data and difference information for images based on pixel value ranges for transmission to other devices. These diverse encoding methods play crucial roles in data processing, storage, and communication within computer systems.
How to implement digital gain control for power amplifier?
5 answers
To implement digital gain control for a power amplifier, a method involves utilizing a signal threshold detection unit, a gain compensation unit, and a delay control unit. The threshold detection unit determines the threshold level of the digital audio signal, while the gain compensation unit adjusts the gain of the signal based on this threshold level, transmitting it to the digital-to-analog converter. The delay control unit then adjusts the gain of the analog amplifier to maintain the total amplification gain unchanged, effectively reducing the bottom noise of the audio power amplifier. Additionally, a digital-analog hybrid automatic gain control amplifier can achieve automatic gain control through two-stage gain adjustment, locking the output signal amplitude to a set level or within a small range, combining the advantages of digital and analog AGC implementations.
How does the sound in radio programming affect listener engagement and retention?
4 answers
The sound in radio programming plays a crucial role in influencing listener engagement and retention. Sound processing, including elements like content, aesthetics, and technical features, can impact listeners' program choices and preferences. Radio art, as a form of sound-based artistic expression, aims to evoke positive emotions, cognitive stimulation, and artistic evaluation among listeners, ultimately enhancing their attraction towards the medium. Additionally, curating sound in a radio context within Digital Humanities research highlights the immersive and inclusive nature of sound, prompting listener engagement through imaginative experiences. The communicational approach emphasizes the significance of sound in communication, as it serves as a primary interface between individuals and their environment, conveying messages, emotions, and interactions. Overall, the interplay between sound aesthetics, content, and listener experiences shapes listener engagement and retention in radio programming.
What is broadcast studio?
5 answers
A broadcast studio is a specialized facility equipped for audio and video production, typically used for creating content such as radio broadcasts, television programs, and online videos. These studios feature a range of equipment like audio consoles, microphones, audio scheduling systems, and video recording tools. They are designed with specific subsystem structures to support broadcasting tasks efficiently, including servers, editing workstations, sound consoles, and digital switchers. Additionally, broadcast studios may incorporate advanced features like air conditioning systems designed to maintain optimal recording conditions. The creation of a broadcast studio involves stages such as 3D modeling, civil work, and equipment setup to ensure functionality and user satisfaction. Overall, broadcast studios play a crucial role in producing high-quality audiovisual content for various media platforms.
What is palm free?
5 answers
"Palm free" refers to products that do not contain palm oil. The term is used to communicate to consumers that the product does not include palm oil as an ingredient. Research has shown that products labeled as "palm oil free" can lead to a lower risk perception among consumers compared to products labeled as "with sustainable palm oil" or products without any claim regarding palm oil. Additionally, consumer evaluation of products labeled as "palm oil free" tends to be more positive than products labeled as "with sustainable palm oil". This distinction in labeling impacts consumer perception and can influence purchasing decisions, highlighting the significance of how palm oil information is communicated on product packaging.