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This document discusses how different media technologies are converging, including Wi-Fi which allows wireless networking, personal computers taking on more entertainment functions by including audio hardware and operating as control centers, personal video recorders which record TV programs on hard drives using online scheduling, and MP3 audio compression which allows portable music players to store music with high quality.
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GroupCweek14
This document discusses how different technologies enable media convergence, including personal video recorders that digitally record TV shows, DVD recorders that burn video to discs, Wi-Fi that allows wireless Internet access, and digital audio players that store and play digital music files, replacing analog cassette tapes and records. These devices represent how media like TV, movies, music and photos can now be accessed on multiple platforms through technologies that support media convergence.
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This document discusses different technologies involved in media convergence: WiFi allows wireless connectivity between devices; DVD is a popular optical disc format that can store over six times the data of a CD; PVR refers to a personal video recorder that records video to a disk drive; and MP3 players are evolving to connect directly to the internet for music downloads rather than needing a computer connection. These technologies represent different ways that media such as video, music and photos can now be accessed and shared across devices.
Video formats
Mini DV cameras capture video footage in a digital format on cassettes. The footage can be imported from the cassettes to computers, but Windows PCs typically lack ports for direct connection. Importing raw footage from a Mini DV cassette to an Apple computer results in large file sizes around 15GB per hour of footage. Compressing the footage using lossy codecs reduces the file size but results in some loss of quality or artifacts. NARA recommends lossless or named lossy codecs and open formats like MOV, AVI or MXF for long-term preservation of archival video.
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DVD-ROMs allow for the distribution of movies and software, storing data for reading like CD-ROMs but with greater storage. MP3s compress audio files without significant quality loss using human hearing psychology. Wi-Fi enables wireless connections between devices like routers and MP3 players, allowing transfer of files like music over home networks. PVRs store TV programs on a hard drive so users can watch them later or download scheduled programs automatically in the future.
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MP3 is a digital audio format that uses lossy data compression. Wi-Fi is a trademark for wireless network standards created by the Wi-Fi Alliance to ensure compliance. A PVR is a device that records video in digital format to a disk or memory. A DVD player plays discs produced under the DVD Video and DVD Audio standards.
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Audio Codec
Audio codecs compress and decompress digital audio data according to audio file formats. Codecs aim to represent high fidelity audio with minimal bits while retaining quality, reducing storage space. Common codecs include Windows Media and Winamp. Lossy codecs like MP3 are used widely and prioritize size over quality. Lossless codecs like FLAC maintain exact copies but have lower compression. Common audio formats include WAV (uncompressed), FLAC (lossless), and MP3 (lossy).
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This document discusses how different technologies enable media convergence, including personal video recorders that digitally record TV shows, DVD recorders that burn video to discs, Wi-Fi that allows wireless Internet access, and digital audio players that store and play digital music files, replacing analog cassette tapes and records. These devices represent how media like TV, movies, music and photos can now be accessed on multiple platforms through technologies that support media convergence.
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This document discusses different technologies involved in media convergence: WiFi allows wireless connectivity between devices; DVD is a popular optical disc format that can store over six times the data of a CD; PVR refers to a personal video recorder that records video to a disk drive; and MP3 players are evolving to connect directly to the internet for music downloads rather than needing a computer connection. These technologies represent different ways that media such as video, music and photos can now be accessed and shared across devices.
Video formats
Mini DV cameras capture video footage in a digital format on cassettes. The footage can be imported from the cassettes to computers, but Windows PCs typically lack ports for direct connection. Importing raw footage from a Mini DV cassette to an Apple computer results in large file sizes around 15GB per hour of footage. Compressing the footage using lossy codecs reduces the file size but results in some loss of quality or artifacts. NARA recommends lossless or named lossy codecs and open formats like MOV, AVI or MXF for long-term preservation of archival video.
Week14
DVD-ROMs allow for the distribution of movies and software, storing data for reading like CD-ROMs but with greater storage. MP3s compress audio files without significant quality loss using human hearing psychology. Wi-Fi enables wireless connections between devices like routers and MP3 players, allowing transfer of files like music over home networks. PVRs store TV programs on a hard drive so users can watch them later or download scheduled programs automatically in the future.
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MP3 is a digital audio format that uses lossy data compression. Wi-Fi is a trademark for wireless network standards created by the Wi-Fi Alliance to ensure compliance. A PVR is a device that records video in digital format to a disk or memory. A DVD player plays discs produced under the DVD Video and DVD Audio standards.
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Audio Codec
Audio codecs compress and decompress digital audio data according to audio file formats. Codecs aim to represent high fidelity audio with minimal bits while retaining quality, reducing storage space. Common codecs include Windows Media and Winamp. Lossy codecs like MP3 are used widely and prioritize size over quality. Lossless codecs like FLAC maintain exact copies but have lower compression. Common audio formats include WAV (uncompressed), FLAC (lossless), and MP3 (lossy).
OmniJoin
OmniJoin is a video conferencing software that allows users to collaborate remotely through video and audio calls, screen sharing, and annotation tools. It supports meetings on PCs, laptops, and iOS devices across a variety of platforms and browsers. OmniJoin offers different tiers of features and capabilities for small meetings through enterprise-level usage, including variations in maximum attendee counts, resolution quality, security options, and admin controls.
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1) MP3 files are created by using MP3 ripper software to compress audio from music CDs into the MP3 format without loss of sound quality.
2) MP3 is an audio compression method that can compress CD quality audio into about 1/11 of its original size while maintaining average quality. It does this by removing inaudible data.
3) A compact disc (CD) is an optical disc used for storing digital audio. Standard CDs can hold up to 80 minutes of audio and have a diameter of 120mm.
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CDs were originally able to store more data than computer hard drives but hard drives now far exceed CD capacity. By 2007, over 200 billion CDs had been sold worldwide, though sales have declined as digital storage and distribution has increased. CD pros include not being able to crash and easy use, while cons are being scratchable and having a small storage capacity. MP3s use lossy compression to reduce file sizes but also reduce audio quality slightly. MP3 pros are small file sizes and wide compatibility, while the con is potential quality loss. WAV files are uncompressed and highest quality but also largest in size, with pros being quality and support, and cons being large file sizes and slow importing.
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Codec stands for enCOder/DECoder or COmpressor/DECompressor. It is a software or hardware that compresses and decompresses audio and video data streams.
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FTP is a standard network protocol used to exchange and manipulate files over a network. MP3 is a patented digital audio format that uses lossy data compression. Copyright gives the author exclusive rights over their original work for a set period of time. A CD is an optical disc that was originally developed to store music but can also store other digital data.
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This document provides guidance on using computer tools for audio recording. It discusses using simple recording hardware like microphones connected directly to a computer. It also covers advanced external recording hardware that provides better sound quality and flexibility. The document recommends choosing audio recording software like Audacity that is free and powerful for basic needs, or paid programs like Adobe Audition or ProTools for professional use. It provides steps for setting up equipment and software, recording multiple audio tracks, and choosing file formats like MP3s and WAV for sharing finished recordings.
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This document discusses various audio file formats including uncompressed, lossy compressed, and lossless compressed formats. It defines key audio file formats such as WAV, AIFF, MP3, AAC, Ogg Vorbis, FLAC, and ALAC. WAV and AIFF are uncompressed formats that maintain quality but use significant storage. MP3, AAC, and Ogg are popular lossy formats that reduce file size by removing imperceptible audio data. FLAC and ALAC are lossless compression formats that reduce file size without quality loss by identifying and removing redundant data patterns.
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1) MP3 files are created by using MP3 ripper software to compress audio from music CDs into the MP3 format without loss of sound quality.
2) MP3 is an audio compression method that can compress CD quality audio into about 1/11 of its original size while maintaining average quality. It does this by removing inaudible data.
3) A compact disc (CD) is an optical disc used for storing digital audio. Standard CDs can hold up to 80 minutes of audio and have a diameter of 120mm.
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The document discusses MIDI (Musical Instrument Digital Interface), which allows musical instruments and devices to communicate. It describes MIDI's components like synthesizers, sequencers, tracks, channels, and messages. MIDI provides a low-bandwidth way to transmit musical data and sound effects over the web by moving sound production to the client. It can be used to synchronize devices and convey musical performance data for applications like multimedia, games, and karaoke.
Wireless usb
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Audio formats
CDs were originally able to store more data than computer hard drives but hard drives now far exceed CD capacity. By 2007, over 200 billion CDs had been sold worldwide, though sales have declined as digital storage and distribution has increased. CD pros include not being able to crash and easy use, while cons are being scratchable and having a small storage capacity. MP3s use lossy compression to reduce file sizes but also reduce audio quality slightly. MP3 pros are small file sizes and wide compatibility, while the con is potential quality loss. WAV files are uncompressed and highest quality but also largest in size, with pros being quality and support, and cons being large file sizes and slow importing.
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The document discusses MP3 music files and related topics including File Transfer Protocol (FTP), MP3 format, copyright, and CDs. It provides details on how FTP is used to exchange files over networks, how MP3 is a patented digital audio format using lossy compression, the exclusive rights copyright provides to authors, and how CDs store up to 80 minutes of audio data.
Codecs
Codec stands for enCOder/DECoder or COmpressor/DECompressor. It is a software or hardware that compresses and decompresses audio and video data streams.
Ig2 task 1 work sheet lewis brady copy
The document provides a template for a student named Lewis Brady to complete a glossary of sound design and production terms. It instructs them to research definitions of provided terms, cite the sources, and describe how the terms relate to their own production practice. The template includes sections for researched definitions with URLs, descriptions of relevance to the student's work, and a list of terms to define related to sound file formats, audio limitations, recording systems, audio sampling, and more.
Spec00462
The ViewSonic VPC100 is an all-in-one desktop PC with a 19" LCD display, Intel Atom 1.6GHz processor, 1GB of RAM, and multiple connectivity options. It has a compact design that allows it to be used in space-constrained environments like offices, schools, and homes. The VPC100 can connect to wired and wireless networks and includes features like a built-in webcam and card reader for transferring files.
Single Board Computers & Raspberry Pi Basics
Lab #3 - Single Board Computers & Raspberry Pi Basics
ET-3010 Connected Services and Cloud Computing
http://eueung.github.io/ET3010/raspi
Gaucho MP3 Player 9000
This document summarizes a senior capstone project to design an MP3 player called the Gaucho 9000. It introduces the three student team members, describes their initial goals of 192kbps playback and basic button controls, and notes they exceeded expectations with 320kbps playback. It provides an overview of the system components, software outline, and state diagram. It also discusses the manufacturing and debugging process over three academic quarters, and thanks those who supported the project.
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Homework3
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This document discusses several technologies related to media convergence: Wi-Fi allows wireless connectivity between devices certified by the WiFi Alliance; personal video recorders (PVRs) store broadcast television programs on a hard drive for viewing anytime and allow convenient downloading of programming guides; MP3 is a common audio file format that compresses digital sound files; and Ethernet is a standard for computer networking that defines the physical and data link layers for connecting devices.
Week14
This document contains short summaries of MP3 players, WiFi, DVD writers, and PVRs. It discusses what MP3 players are, how WiFi is a trademark founded in 1999, that Ulead DVD MovieFactory can author DVDs and CDs, and defines a digital video recorder as a device that records video digitally to a disk or memory. The document ends with listing Wikipedia and Yahoo as references.
Week14 Wed D
Wi-Fi is a standard for wireless networking that allows devices to connect to the internet or communicate with one another wirelessly using radio waves; MP3 is an audio compression format that reduces file sizes by removing parts of sound that are inaudible to humans; PVR is a device that records television programs onto a hard disk for later viewing; USB is a standard interface that connects devices like printers, keyboards, digital cameras, and flash drives to computers.
How Media Convergence Works
Media convergence refers to integrating voice, video, and data networks to create new communication networks combining formerly separate functions. It discusses WiFi which certifies wireless connectivity between devices, personal video recorders which record TV onto hard disks, and MP3, a popular audio format that compresses sound files without degrading quality. The document provides an overview of these examples of media convergence technologies.
Sonifex netlog-dscribe-products
- Net-Log by Sonifex; Network Audio Logger offering Multi-Channel Recording & Archiving
- D:Scribe by Sonifex; Audio Transcription System
- Mentor Time Server & Client by Sonifex
Web Presen
Wi-Fi is a trademark for wireless networking technology certified by the Wi-Fi Alliance to ensure interoperability between devices. A personal video recorder (PVR) digitally records television and stores it on a hard drive, allowing users to instantly access recordings. A digital audio player, such as an MP3 player, stores and plays audio files and sometimes supports images and video. Universal Serial Bus (USB) allows many peripherals to connect to a computer through a single standardized port and interface.
English14
This document discusses different media technologies including DVD players, MP3 format, personal video recorders (PVRs), and WiFi. It notes that most PCs now include DVD players, MP3 is an audio format designed for digital audio compression, PVRs allow recording TV programs on a hard drive and time shifting viewing, and WiFi enables wireless local area networks using 802.11 specifications.
Digital data - Lucía & Luis
This document provides definitions and explanations of key concepts related to digital data, including different file formats and standards. It discusses digital text, images, sound, and video. For each type of digital data, it defines important technical terms like pixel, resolution, frame rate, bitrate, and common file extensions like JPG, MP3, AVI, and MOV. The document serves as an introduction to understanding different types of digital information and how they are encoded.
BDPA Open Source 2012
The document provides information about open source software and technologies. It discusses open source office software like LibreOffice, media players like VLC Player, and audio/video editing programs like VirtualDub and Audacity. It also covers capturing video, image editing with GIMP, authoring DVDs with DVD Flick and DVD Styler, and preparing videos for the web.
Digital data - Luis Bazaga & Lucía Rubio
This document defines and explains key concepts related to digital data, including multimedia, file formats, digital vs analog information, and provides examples. It then summarizes different digital text, image, sound, and video file formats as well as tools for converting between formats. The bibliography lists additional resources for further information.
Audio and video streaming
Check out how does Audio and video streaming work in technology, advantages drawbacks type conversation and more.
Unit 1 (lo1) revision help
This document provides definitions and examples for key terms related to portable devices, operating systems, application software, storage devices, and connectivity. It defines portable devices as electronic devices that can be carried easily, listing laptops, netbooks, phones, tablets, and media players as examples. It defines operating systems as software that allows communication between computer hardware and users. It provides examples like Android, iOS, Windows, and Linux. It defines application software as programs installed on operating systems to perform tasks, providing examples like word processors and browsers. It defines storage devices for storing files and lists examples like flash drives, hard drives, CDs/DVDs, and online storage. It briefly defines magnetic media and its obsolescence.
DIGITAL DATA - Lucía & Luis
This document discusses various concepts related to digital data including multimedia, file formats, digital and analog information. It then provides details on digital text formats like DOC, DOCX, HTML, PDF; digital image formats like JPG, BMP, RAW; digital audio formats like WAV, MP3, WMA; and digital video formats like AVI, DivX, MPG, MOV, WMV. Finally, it mentions some web programs that can be used for converting between different digital data formats.
Digital Audio
Jonathan introduces digital media, including digital audio players that store and play audio files. Audio editing developed in the 20th century. The growing popularity of high-quality audio compression will change how consumers use recorded music. Digital video uses digital representations recorded on tape or discs, while digital photography uses electronic devices to capture and store images digitally rather than on film. Digital media hardware includes cameras, recorders, and computers used for digital audio, video, and photography.
Similar to Homework5 (20)
Homework5
- 1. How Media Convergence Works ● Wi-Fi ● What PC bears ● The Personal Video Recorder ● About MP3
- 2. Wi-Fi ● Wi-Fi, which stands for wireless fidelity, in a play on the older term Wi-Fi, is a wireless networking technology used across the globe. ● "Wi-Fi" is a type of wireless networking protocol that allows devices to communicate without cords or cables. ● Wi-Fi is technically an industry term that represents a type of wireless local area network (LAN) protocol based on the 802.11 IEEE network standard.
- 3. What PC bears ● PC became an important part of a lot of home entertainment systems. ● Most home PCs are including a high-quality audio hardware making equipment even from none the addition sooner or later with the DVD player now. Moreover, PC operates as a control center for a lot of other devices.
- 4. The Personal Video Recorder ● The Personal Video Recorder (PVR) is a device which records scheduled programs on hard drives. PVRs get scheduling and program information from a master server on the Internet.
- 5. About MP3 ● MP3 is one of the most popular audio- compression system. ● Mainly, it is used for the device which has the function of listening to musics. ● It can keep the acoustic quality as well as the music CD. ● This is the MP3 player for listening to musics.
- 6. References ● e-Words http://e-words.jp/ ● Wikipedia http://www.wikipedia.org/