AUDIO DEVICES, FORMATS AND CODECS
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This document examines audio devices, formats, and codecs. It discusses common audio devices like microphones, which convert sound waves to electrical signals, and loud speakers, which do the opposite. It also covers sound cards, ports, and headphones. The document explores lossy and lossless codecs used to compress audio files. Finally, it reviews major uncompressed, lossless compressed, and lossy compressed sound formats like WAV, MP3, and MIDI.
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Audio devices allow you to play or record audio and come in two types: input and output. Audio formats store digital audio data using different file types like MP3, WAV, and WMA. Codecs encode or decode audio streams and can be either lossy, which reduces quality for more compression, or lossless, which retains all original audio information. Common input devices are microphones while output devices include speakers and headphones.
AUDIO DEVICES, FORMATS AND CODECS
This document discusses audio devices, sound formats, and codecs. It defines audio devices as equipment used for playing or recording audio, such as microphones, headphones, and speakers. Sound formats store digital audio and include WAV, MIDI, AIFF, MP3, WMA, and CDA. Codecs encode and decode audio files, with lossy codecs achieving smaller file sizes but lower quality than lossless codecs.
Audio devices, formats and codecs
The document discusses audio devices and codecs. It defines audio devices as those that emit or receive sound, separating them into input and output types. Audio input devices allow sending audio signals to computers, while output devices play sound. Codecs are programs that compress and decompress audio data according to specific formats. Lossless codecs allow original data reconstruction, while lossy codecs lose some data for greater compression. Finally, the document outlines common sound formats including uncompressed, lossless compressed, and lossy compressed types.
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The document discusses audio devices, formats, and codecs. It describes common audio devices like microphones, loud speakers, and sound cards. It also discusses popular audio formats such as WAV, MIDI, AIFF, CDA, MP3, WMA, and AUP. Finally, it provides definitions for codecs and how they compress audio files to reduce file sizes.
Audio devices
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This document discusses audio devices, sound formats, and codecs. It defines audio devices as equipment used for playing or recording audio, such as microphones, headphones, and speakers. Sound formats store digital audio and include WAV, MIDI, AIFF, MP3, WMA, and CDA. Codecs encode and decode audio files, with lossy codecs achieving smaller file sizes but lower quality than lossless codecs.
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Audio devices
Audio devices allow for playback and recording of audio. Codecs encode or decode digital audio streams, and can be lossy or lossless. Common audio formats include WAV, MIDI, AIFF, CDA, MP3, WMA, and AUP, each used for different purposes such as storage on PCs, communication between devices, or compression.
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This document discusses different audio formats including digital formats like compact discs, MP3, WAV, and DVDs as well as analog formats. Digital formats store audio digitally and include popular options like MP3 and CDs while analog formats use physical grooves or magnetic tape to store sound waves. A variety of formats exist for listening to audio both digitally and non-digitally.
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This document discusses digital audio media and production. It explains that all sound exists as analog waves that are sampled and converted to digital format for computer processing. Common digital audio formats are described, including uncompressed formats for high quality archiving and compressed formats like MP3 for distribution. Digital music software and services allow users to organize, playback, and distribute digital music collections on various devices. Suggestions are provided to improve an IT course by changing homework due dates and times.
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Audio media can refer to analog tapes, CDs, or digital computer files containing audio. It is ideal for conveying voice, music, and stimulating imagination. There are two main types - analog, which handles sound waves directly, and digital, which converts sound to digital code. Examples of audio media include radio broadcasts, recordings, phones/voicemails, tapes/CDs, and audio conferences, each with their own advantages and limitations.
Ppt on audio file formats
1. The document discusses different audio file formats including uncompressed, lossless compressed, and lossy compressed formats.
2. Uncompressed formats like .wav and .aiff store audio with no loss of quality but have large file sizes, while lossy compressed formats like .mp3 reduce quality to greatly reduce file size through techniques like perceptual encoding.
3. Lossless compressed formats like .flac and .alac provide compression without any quality loss by eliminating redundant data, offering file size reduction of around 2:1 compared to uncompressed.
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- Common file formats include WAV, MP3, M4A. Higher sampling rates result in better quality but larger file sizes.
- MIDI stores musical performance data instead of sampled sound. It allows editing and is more compact than audio.
- When adding sound to projects, considerations include compatibility, playback capabilities, needed effects, and timing. Storage needs depend on format, sampling rate, and length.
Audio format
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.
Ig2 task 1 work sheet
This document contains a glossary of terms related to sound design and production. It provides definitions for terms like foley artistry, sound libraries, audio file formats like .wav and .mp3, audio limitations regarding things like mono vs stereo sound, and audio recording systems like analog, MIDI, and software sequencers. For each term, it gives a short definition from an online source as well as how the term relates to the author's own production practice, such as using background noise and converting recordings to .wav files.
You have a customer who is a musician and wants to record and process.docx
You have a customer who is a musician and wants to record and process music in his PC. What do you tell him are his options for audio interfaces for this activity? (Choose three.)
A. FireWire
B. Parallel
C. PCIe
D. USB
Solution
Ans-
A. FireWire
C. PCIe
D. USB
The audio interface is the hub of the modern recording studio. From humble home studios to massive media production houses, audio interfaces serve the vital function of passing audio from the outside world into your computer and back again. For many artists and engineers, the audio interface is the single most important piece of hardware, providing microphone preamplifiers, direct instrument inputs, digital converters, metering, headphone distribution, even digital signal processing (DSP), all in one unit. In more sophisticated setups, high-channel-count audio interfaces completely replace the role of traditional recording consoles.
FireWire Audio Interfaces
There are two types of FireWire found on audio interfaces: the older FireWire 400, which is the same speed as USB 2.0, and FireWire 800, which is almost twice as fast. For years, FireWire was the standard for high-speed audio interfaces and was found almost exclusively on Mac computers. Most modern computers connect to FireWire audio interfaces via FireWire to Thunderbolt adapters. FireWire delivers ample performance for most project studio needs, and FireWire audio interfaces have the benefit of being extremely affordable while providing high channel counts.
PCIe Audio Interface
PCIe audio interfaces boast specifications in line with Thunderbolt audio interfaces but require PCIe slots for installation. PCIe systems - such as Avid Pro Tools | HDX and Apogee Symphony - are typically intended for high-volume professional audio-production applications.
USB Audio Interfaces
While you might encounter an old USB 1.1 audio interface, USB 2.0 is the most common connection type on the market, providing moderate speed and near universal compatibility on Mac and Windows PCs. To overcome latency issues, many USB audio interfaces include \"latency-free\" monitoring options, which range from analog routing options that let you simply monitor the live input to more advanced onboard digital mixers that may even include DSP effects/processing. USB 3.0 is over 10 times faster than USB 2.0 and supports higher track counts with far less latency. Class-compliant USB audio interfaces, such as the Antelope Audio Orion 32, can provide up to 24 channels of iPad recording via the Apple Camera Connection Kit.
.
Ig2 task 1
The document is a glossary of terms related to sound design and production for computer games. It contains definitions for over 20 key terms with URLs linking to the sources. The student provided their own definitions for some terms and described the relevance to their own production practice for others. Terms defined include Foley artistry, sound libraries, audio file formats like .wav and .mp3, limitations of audio hardware, recording systems, MIDI, audio sampling concepts like bit depth and sample rate, and more.
Thingy editedd
This document is a glossary of terms related to sound design and production for computer games. It contains definitions for terms like Foley artistry, sound libraries, audio file formats like .wav and .mp3, audio limitations regarding mono/stereo sound, audio recording systems, MIDI, software sequencers, and considerations for audio sampling like bit-depth and sample rate. Each term's definition includes a short description and a citation of the source. Accompanying each definition is a brief explanation from the student of how the term relates to their own production work.
Ig2task1worksheetelliot 140511141816-phpapp02
The document is a glossary assignment for a games design course requiring the student to research terms related to sound design and production. It includes definitions for over 20 terms sourced from online references. For each term, the student provides a short definition and URL source, and describes how the term relates to their own production practice, such as using uncompressed audio formats, lossy compression to reduce file sizes, and mono/stereo audio.
Ig2 task 1 work sheet
This document provides a glossary of terms related to sound design and production for computer games. It defines terms such as foley artistry, sound libraries, file formats like .wav and .mp3, audio limitations involving sound processors and memory, audio recording systems using analog and digital methods, MIDI, software plugins, sampling keyboards, and factors that influence file size like bit depth and sample rate. The student created their own sample library and uses .wav files, and discusses how some of the researched terms relate to their own production practice.
3 multimedia elements - audio
There are three main types of audio file formats: uncompressed, lossless compression, and lossy compression. Lossless compression preserves all audio quality while reducing file size, while lossy compression permanently removes some audio information to greatly reduce file size. Common audio formats include WAV (uncompressed), lossless WMA, MP3 and AAC (lossy), and MIDI (event-based musical instrument data). Audio is digitized through sampling, with higher sampling rates and more bits per sample providing better quality but larger file sizes. Formats like WAV and AIFF store uncompressed audio, while MP3 and WMA use lossy compression to reduce file sizes.
Ig2 task 1 no2
The document is a glossary assignment for a games design course requiring research and definitions of sound design terms. It includes:
- Definitions of over 20 terms related to sound design methodology, file formats, limitations, recording systems, sampling, and more.
- For each term, a brief internet-sourced definition is provided along with the URL source and a short description of how the term relates to the student's own production practice.
- Terms defined include Foley artistry, sound libraries, uncompressed and compressed file formats like .wav and .mp3, audio hardware and software limitations, recording methods from analogue to MIDI, and factors that influence audio file size like bit depth and sample rate.
Ig2 task 1 work sheet
The document is a glossary of terms related to sound design and production for computer games. It contains definitions for over 20 key terms sourced from online references. For each term, the student provided the online definition and described the relevance of the term to their own production work creating sound effects and music for a 2 minute GTA video game sequence. The glossary covers areas such as sound design methodology, file formats, audio limitations, recording systems, sampling and more.
Ig2 task 1 work sheet
This document contains a glossary of terms related to sound design and production for computer games. It includes definitions for terms like Foley artistry, sound libraries, file formats like .wav and .mp3, audio limitations such as memory and processors, recording systems like analog and digital audio tape, and more. For each term, the student provided an internet definition source and described how the term relates to their own production practice, such as using sound libraries to store recorded sounds and rendering files into different formats for various uses.
Ig2 task 1 work sheet
This document provides definitions and descriptions of terms related to sound design and production for computer games. It includes a glossary with over 15 terms defined, with URLs citing sources. Some terms defined include foley artistry, sound libraries, uncompressed and compressed audio file formats like .wav and .mp3, audio hardware like sound processors and RAM, mono vs stereo vs surround sound, analog vs digital recording systems, and MIDI. The student provides their own production experience for some terms, such as using mono audio and surround sound for specific effects, and .mp3 files to move songs.
Rloynd ig2 t1 ws
The document is a glossary assignment for a games design course requiring research and definitions of sound design and production terms. It contains a template with over 30 terms defined along with their relevance to the student's own production practice. Definitions are from online sources and include terms like foley artistry, sound libraries, file formats like .wav and .mp3, audio hardware and software like MIDI, samplers and plugins.
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You have a customer who is a musician and wants to record and process.docx
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AUDIO DEVICES, FORMATS AND CODECS
- 1. STEFFI MEDINA AND KEVIN LOPES
- 2. Introduction INDEX Audio devices: Microphones Loud speakers Sound card Sound ports headphones Codecs: Loss codecs Lossless codecs Sound formats: wav midi aiff cda mp3 wma aup
- 3. INTRODUCTION The aim of this presentation is to examine issues related to the sound (Audio devices, formats and codes), which will serve us later if we want to work with music or sound.
- 4. AUDIO DEVICES Microphone: A microphone is an example of a transducer. The sound information exists as patterns of air pressure; the microphone changes this information into patterns of electric current. Loud Speaker: A loud speaker is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Sound card: It is an expansion card or integrated circuit that provides a computer with the ability to produce sounds that can be heard by the user either over speakers or headphones Sound port: A sound port serves as an interface between the device and other peripheral devices. Headphones are a hardware device that either plugs into your computer (line out) or your speakers and allow you to privately listen to audio without disturbing anyone else.
- 5. CODECS A codec is a device or computer program capable of encoding or decoding a digital data stream or signal. Depending on its compresion quality we can differentiate two type of codecs lossy codecs and lossless codecs: The loss codecs reduce quality by some amount in order to achieve compression The lossless codecs are used for archiving data in a compressed form while retaining all of the information present in the original stream. Lossy codecs: Lossless codecs:
- 6. SOUND FORMATS Sound format also know as audio file format is a flie format for storing digital audio data on a computer system. Among the sound formats, we can differentiate three major groups of audio file format: Uncompressed audio formats: Formats with lossless compression: Formats with lossy compression: MIDI: (Short for Musical Instrument Digital Interface) is a technical standard that describes a protocol, digital interface and connectors. •WAV •AIFF •AUP •WMA(Lossless) •MP3 •WMA(Lossy)
- 7. Webgraphy •Codec http://en.wikipedia.org . Unknown Author. 25, March 2014 •Designing presentations that don't suck! http://designshack.net. Unknow author. 25, March 2014. •Stock.Xchng http://sxc.hu/. Unknown author. 25, March 2014 •Audio file format http://en.wikipedia.org. Unknown author. 25, MaRCH 2014. •Microphones http://artsites.ucsc.edu . Made by Peter Elsea. 25, March 2014. •Loudspeaker http://en.wikipedia.org/wiki/Loudspeaker. Unknown author. 25, March 2014. •Sound card http://www.computerhope.com. Unknown author. 25, March 2014 •Sound port http://en.wikipedia.org. Unknown author. 25, Marcg 2014. •Headphone http://www.computerhope.com. Unknown author. 25, March 2014
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