This document discusses the history and technology of MP3 players. It explains that MP3 players play digital audio files compressed in MP3 format, which was developed in the 1990s. Early MP3 players were unsuccessful, but WinPlay3 and later the AMP MP3 Playback Engine were able to play audio in real time. Justin Frankel helped popularize MP3 players with Winamp. There are different types of MP3 players that use flash memory, hard drives, or burn MP3 files to discs. MP3 players compress audio files to reduce their size without significantly degrading sound quality.
The MIDI Protocol - Musical Instrument Digital InterfaceBhaumik Bhatt
This presentation walks you through the basics of the MIDI protocol. An abbreviation for Musical Instrument Digital Interface, MIDI is an industry standard communications protocol used for electronic musical instruments and other stage, sound, control equipment, to talk to each other.
MMS2401 - Multimedia system and Communication NotesPratik Pradhan
This is the subject notes for the module, MMS2401 - Multimedia system and Communication Notes, taught in Bachelors of Media Technology in Shepherd College of Media Technology Affiliated with Purbanchal University.
EC8791-Embedded and Real Time Systems #7th Sem ECE #Embedded System Introduction # Embedded System Real Time Examples #Career opportunity in Embedded System Filed #Growth of Embedded System
this ppt is about basic knowlegde of an OS and is certainly very helpful. helpful for a student. follow me at my instagram
https://www.instagram.com/shantanu_stark/?hl=en
Final Year Project
> Creating a Video Player with Python
> Used Software - Pycharm & Pyhton 3.6
> Can play any Video , mp3, mp4,
> Features:
+ Play
+ Pause
+ Next
+ Previous
+ Volume contol
A multi-core processor is a single computing component with two or more independent actual processing units (called "cores"), which are units that read and execute program instructions. The instructions are ordinary CPU instructions (such as add, move data, and branch), but the multiple cores can run multiple instructions at the same time, increasing overall speed for programs amenable to parallel computing. Manufacturers typically integrate the cores onto a single integrated circuit die (known as a chip multiprocessor or CMP), or onto multiple dies in a single chip package.
The MIDI Protocol - Musical Instrument Digital InterfaceBhaumik Bhatt
This presentation walks you through the basics of the MIDI protocol. An abbreviation for Musical Instrument Digital Interface, MIDI is an industry standard communications protocol used for electronic musical instruments and other stage, sound, control equipment, to talk to each other.
MMS2401 - Multimedia system and Communication NotesPratik Pradhan
This is the subject notes for the module, MMS2401 - Multimedia system and Communication Notes, taught in Bachelors of Media Technology in Shepherd College of Media Technology Affiliated with Purbanchal University.
EC8791-Embedded and Real Time Systems #7th Sem ECE #Embedded System Introduction # Embedded System Real Time Examples #Career opportunity in Embedded System Filed #Growth of Embedded System
this ppt is about basic knowlegde of an OS and is certainly very helpful. helpful for a student. follow me at my instagram
https://www.instagram.com/shantanu_stark/?hl=en
Final Year Project
> Creating a Video Player with Python
> Used Software - Pycharm & Pyhton 3.6
> Can play any Video , mp3, mp4,
> Features:
+ Play
+ Pause
+ Next
+ Previous
+ Volume contol
A multi-core processor is a single computing component with two or more independent actual processing units (called "cores"), which are units that read and execute program instructions. The instructions are ordinary CPU instructions (such as add, move data, and branch), but the multiple cores can run multiple instructions at the same time, increasing overall speed for programs amenable to parallel computing. Manufacturers typically integrate the cores onto a single integrated circuit die (known as a chip multiprocessor or CMP), or onto multiple dies in a single chip package.
Audio is an electrical or other representation of sound.
An audio file format is a file format for storing digital audio data on a computer system.
It can be a raw bitstream, but it is usually a container format or an audio data format with a defined storage layer.
UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 3. In this session, we will cover desktop automation along with UI automation.
Topics covered:
UI automation Introduction,
UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Observability Concepts EVERY Developer Should Know -- DeveloperWeek Europe.pdfPaige Cruz
Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
SAP Sapphire 2024 - ASUG301 building better apps with SAP Fiori.pdfPeter Spielvogel
Building better applications for business users with SAP Fiori.
• What is SAP Fiori and why it matters to you
• How a better user experience drives measurable business benefits
• How to get started with SAP Fiori today
• How SAP Fiori elements accelerates application development
• How SAP Build Code includes SAP Fiori tools and other generative artificial intelligence capabilities
• How SAP Fiori paves the way for using AI in SAP apps
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
DevOps and Testing slides at DASA ConnectKari Kakkonen
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
Generative AI Deep Dive: Advancing from Proof of Concept to ProductionAggregage
Join Maher Hanafi, VP of Engineering at Betterworks, in this new session where he'll share a practical framework to transform Gen AI prototypes into impactful products! He'll delve into the complexities of data collection and management, model selection and optimization, and ensuring security, scalability, and responsible use.
GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
A tale of scale & speed: How the US Navy is enabling software delivery from l...sonjaschweigert1
Rapid and secure feature delivery is a goal across every application team and every branch of the DoD. The Navy’s DevSecOps platform, Party Barge, has achieved:
- Reduction in onboarding time from 5 weeks to 1 day
- Improved developer experience and productivity through actionable findings and reduction of false positives
- Maintenance of superior security standards and inherent policy enforcement with Authorization to Operate (ATO)
Development teams can ship efficiently and ensure applications are cyber ready for Navy Authorizing Officials (AOs). In this webinar, Sigma Defense and Anchore will give attendees a look behind the scenes and demo secure pipeline automation and security artifacts that speed up application ATO and time to production.
We will cover:
- How to remove silos in DevSecOps
- How to build efficient development pipeline roles and component templates
- How to deliver security artifacts that matter for ATO’s (SBOMs, vulnerability reports, and policy evidence)
- How to streamline operations with automated policy checks on container images
Securing your Kubernetes cluster_ a step-by-step guide to success !KatiaHIMEUR1
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
Essentials of Automations: Optimizing FME Workflows with Parameters
Mp3 player
1.
2. WHAT IS AN MP3 PLAYER ?
A device for
playing MP3
files.
3. HISTORY
Unsuccessful MP3 player developed
by Frauenhofer in the early 1990s.
WinPlay3 was the
first real-time MP3
audio player.
4. HISTORY
AMP MP3 Playback Engine - the first
successful MP3 player in 1997
Justin Frankel and Dmitry Boldyrev -
ported AMP to Windows and created
Winamp.
5. HISTORY
In 1998, Winamp
became a free
MP3 music player
boosting the
success of MP3.
6. ORIGIN OF MP3 TECHNOLOGY
MP3 (MPEG Audio Layer III ) - standard
for audio compression that makes any
music file smaller.
MPEG, (Motion Pictures Expert
Group), standards for displaying video
and audio using lossy compression.
7. ORIGIN OF MP3 TECHNOLOGY
Fraunhofer-Gesellshaft – A German
Company that releases the license for
the music technology.
8. WHAT CAN MP3 DO ?
1 second – 1.400Mbit (CD quality)
In CD quality a 4min
song uses 40 MB, but
reduces to 4MB only
in MP3 format.
9. Other Formats
WMA - Windows Media Audio
WAV - Waveform Audio
MIDI - Music Instrument Digital
Interface.
AAC - Advanced Audio Coding
Ogg Vorbis A free, open and un-
patented music format
10. Other Formats
ADPCM - Adaptive Differential Pulse
Code Modulation
ASF - Advanced Streaming
Format
VQF - Vector Quantization Format
ATRAC - Sony's Adaptive Transform
Acoustic Coding 3
11. PORTABLE PLAYERS
The first MP3 players (1998)
MPMan - introduced
by Eiger Labs. It has a
storage capacity of
32MB (about 10-20
songs) and sold for $69.
12. PORTABLE PLAYERS
The first MP3 players (1998)
RIO PMP300 –
Produced by Diamond
Multimedia and was
introduced on
September 15, 1998.
13. The Technology
MP3 players uses solid-state memory. It
has an embedded software application
that allows users to transfer MP3 files
to the player
14. The Technology – (Basic Parts)
• Data port
• Memory
• Microprocessor
• Digital signal processor (DSP)
• Display
15. The Technology – (Basic Parts)
• Playback controls
• Audio port
• Amplifier
• Power supply
18. 4 BASIC TYPES OF MP3 PLAYERS
1. Flash Memory Players
The smallest and
lightest and typically
stores fewer songs
than hard drive
players
19. 4 BASIC TYPES OF MP3 PLAYERS
2. Hard Drive and Mini-hard Drive Players
Larger and heavier
than flash memory
players and offer
considerably more
storage.
20. 4 BASIC TYPES OF MP3 PLAYERS
3. MP3 CD and Mini-Disc MP3 Players
These MP3 files are
burned to CD-R/RW
discs from your old
CD collection and
used in the MP3 CD
player
21. 4 BASIC TYPES OF MP3 PLAYERS
4. Hybrid Players
MP3 is no longer just a
stand-alone technology.
Companies are now
offering MP3 capability
in other consumer
products
An MP3 player is a device for playing MP3 files.The MP3 player is the most recent in an evolution of music formats that have helped consumers enjoy their tunes. Records, 8-track tapes, cassette tapes and CDs -- none of these earlier music formats provide the convenience and control that MP3 players deliver. With an MP3 player in hand or pocket, a consumer can create personalized music lists and carry thousands of songs whereverthey go.
In the early 1990s, Frauenhofer developed the first, however, unsuccessful MP3 player.WinPlay3 was the first real-time MP3 audio player for PCs running Windows. It was released by Fraunhofer IIS ("Institute for Integrated Circuits"), creators of the MP3 format, on 1995
In 1997, Advanced Multimedia Products invented the AMP MP3 Playback Engine, the first successful MP3 player. Two university students, Justin Frankel and Dmitry Boldyrev ported AMP to Windows and created Winamp.
In 1998, Winamp became a free MP3 music player boosting the success of MP3. Until the release of Winamp in 1997, WinPlay3 was the sole option for playing MP3-compressed music on Microsoft Windows.
MP3 stands for MPEG Audio Layer III and it is a standard for audio compression that makes any music file smaller with little or no loss of sound quality. MP3 is part of MPEG, (Motion Pictures Expert Group), a family of standards for displaying video and audio using lossy compression.
However it is the German company Fraunhofer-Gesellshaft that releases the license for the music technology.
Without Data reduction, one second will end up to 1.400 Mbit of stereo music in CD quality. A WAV consisting of a few seconds of sound would be several megabytes in size. By using MPEG audio coding, you may shrink down the original sound data from a CD by a factor of 12, without losing sound quality.
Although MP3 is perhaps the most well-known file format, there are other file formats that can be played on MP3 players like WMA, WAV, MIDI, AAC, OggVorbis
ADPCM, ASF, VQF, and ATRAC
As mp3 became very popular, companies started making portable players. These devices would change the history of the mp3 player. One of the first was MPMan, released in 1998 in South Korea.
This was followed by the Rio PMP300. In 1999 Compaq created the PJB 100, which could store over 1,200 songs.
MP3 players use solid-state memory. An MP3 player is no more than a data-storage device with an embedded software application that allows users to transfer MP3 files to the player.
Specific components may vary, but here are the basic parts of a typical MP3 player:Data port, Memory, Microprocessor, Digital signal processor (DSP), Display, Playback controls, Audio port, Amplifier, Power supply
Specific components may vary, but here are the basic parts of a typical MP3 player:Data port, Memory, Microprocessor, Digital signal processor (DSP), Display, Playback controls, Audio port, Amplifier, Power supply
This is how the mp3 player works
MP3 players are as varied as the people who buy them. Choice is based on several factors, including how you plan to use it, the amount of music you want to carry in your MP3 player and how much you are prepared to pay. Let's take a look at the four basic types of MP3 players.
The flash memory MP3 player is the smallest and lightest and typically stores fewer songs than hard drive players. Because it's small and contains no moving parts, it's ideal for exercisers. And with some models boasting up to 8 GB of storage (2,000 songs) and other models offering video and photo capability, it also appeals to the multimedia aficionado. Its batteries can last up to 28 hours.
It can store up to 20,000 songs, photographs, data, and video and allow podcast recording. However, these features and the hard drive consume more power, with some batteries lasting eight to 20 hours for music playback and up to six hours for video playback.
There is a breed of CD players available that plays MP3 and other digital files. These MP3 files are burned to CD-R/RW discs from your old CD collection and used in the MP3 CD player. A CD can hold about 10 hours of music.
MP3 is no longer just a stand-alone technology. Technology companies are now offering MP3 capability in other consumer products, including satellite radios, personal digital assistants, DVD players, sunglasses, swim goggles and even a combination Swiss Army Knife-MP3 player.
Around 2003 mp3 players and cell phones were combined for the first time. It was also around the time that artists started selling music as mp3 downloads. Eventually this would start a trend that continues to this day. The history of the mp3 player is an exciting one and it continues to evolve. The technology is advancing, improving the quality of the sound even more.