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Topics referred to by the same term
Multichannel audio may refer to: Stereophonic sound, namely two channel audio Surround sound, more than two channels, with loud speakers in the front
Multichannel_audio
Audio standard
MPEG Multichannel, also known as MPEG-2 Backwards Compatible, or MPEG-2 BC, is an extension to the MPEG-1 Layer II audio compression specification, as
MPEG_Multichannel
Topics referred to by the same term
Multichannel or multi-channel may refer to: Multichannel audio, i.e. Stereophonic sound, namely two channel audio Surround sound, more than two channel
Multichannel
BWF-compatible multichannel audio file format
RF64 is a BWF-compatible multichannel audio file format enabling file sizes to exceed 4 GiB. It has been specified by the European Broadcasting Union.
RF64
Multichannel digital audio interface
Multichannel Audio Digital Interface (MADI) standardized as AES10 by the Audio Engineering Society (AES) defines the data format and electrical characteristics
MADI
French audio technology company
studio monitoring, commercial cinema, and residential multichannel audio systems. Trinnov Audio was founded in France in 2003. Early development focused
Trinnov_Audio
Computer sound card driver protocol
driver to support ASIO; for example, multichannel USB Audio Class interface chips by XMOS use an ASIO-compatible audio driver developed by Thesycon. As of
Audio_Stream_Input/Output
Audio data compression technology
the popular MP3 and RealAudio codecs. WMA Pro, a newer and more advanced codec, supports multichannel and high-resolution audio. A lossless codec, WMA
Windows_Media_Audio
Texas Instruments serial audio communication peripheral
A Multichannel Audio Serial Port (McASP) is a communication peripheral in digital signal processor (DSP) and microcontroller unit (MCU) components from
McASP
Series of multichannel audio technologies
name, Digital Theater Systems) is an American company that makes multichannel audio technologies for film and video. Based in Calabasas, California, the
DTS,_Inc.
Read-only optical disc for high-fidelity audio storage
disc (CD) format. The SACD format allows multiple audio channels (i.e., surround sound or multichannel sound). It also provides a higher bit rate and longer
Super_Audio_CD
Television sound test tone
identified as belonging to a stereo pair. The EBU Technical Document Multichannel Audio Line-up Tone (Tech 3304) defines stereo lineup tone as having an interruption
GLITS
Surround channels are audio channels in surround sound multichannel audio. They primarily serve to deliver ambience and diffuse sounds in a film or music
Surround_channels
Alternate audio channel used in television transmissions
and by cable television. Used mostly for audio description or other languages, SAP is part of the multichannel television sound (MTS) standard originally
Second_audio_program
Lossy audio compression format
MPEG-1 Audio Layer II data, it can also refer to MPEG-2 Audio Layer II, a mostly backward compatible extension which adds support for multichannel audio, variable
MPEG-1_Audio_Layer_II
Audio channels in surround sound multichannel audio
Height channels are audio channels in surround sound multichannel audio. Height channels are located above the listening area and increase the sound field
Height_channels
Audio compression technologies
Dolby Digital multichannel audio, and DTS multichannel audio. HDMI was later introduced, and it can carry uncompressed multichannel PCM, lossless compressed
Dolby_Digital
Multichannel audio technology
and decoded for playback by a decoder. The function is to allow multichannel audio, such as quadraphonic sound or surround sound to be encoded in a stereo
Matrix_decoder
Psychoacoustical phenomenon
1633L. doi:10.1121/1.427914. PMID 10530009. Audio, NTi. "How To Setup for a Live Sound Event" (PDF). www.nti-audio.com. Madsen, E. Roerbaek (October 1970)
Precedence_effect
System with loudspeakers that surround the listener
surround sound permits the creation of an audio environment for all sorts of purposes. Multichannel audio techniques may be used to reproduce contents
Surround_sound
Digital representation of sampled analog signals
bits per sample. LPCM encodes a single sound channel. Support for multichannel audio depends on file format and relies on synchronization of multiple LPCM
Pulse-code_modulation
Topics referred to by the same term
free dictionary. Surround may refer to: Surround sound, a type of multichannel audio Surround (horse), Australian racehorse Surround (video game), an Atari
Surround
Open-source digital audio editor and recording software
Audacity is a free and open-source digital audio editor and recording application software, which is available for Windows, macOS, Linux, and other Unix-like
Audacity_(audio_editor)
Digital audio workstation
mixed to mono, stereo, or any other multichannel format. Multichannel mixdowns can be written as an interleaved audio file or in multiple mono files. Up
Pro_Tools
Format used to deliver movies to cinemas
essence is compressed using JPEG 2000 and the Audio Track File carries a 24-bit linear PCM uncompressed multichannel WAV file. Encryption may optionally be applied
Digital_Cinema_Package
Four-channel speaker audio
hardware technologies. All of the multichannel audio systems in common use today are digital systems. Digital multichannel audio has been available for the home
Quadraphonic_sound
Audio technology company
and multichannel audio through digital two-channel post-production and broadcasting infrastructures, or for recording surround audio on two audio tracks
Dolby
Digital audio format
3 also enhanced MPEG-1's audio by allowing the coding of audio programs with more than two channels, up to 5.1 multichannel, even though to this date
MP3
Early widescreen filming system
post-war stereo systems used with Cinerama and some 3-D films had used multichannel audio played from a separate magnetic film. Fox had initially intended to
CinemaScope
21-pin connector for audio-visual equipment
digital audio signal to send it to a home cinema. To the present day this connection remains rare, as HDMI, S/PDIF, and TOSLINK can provide multichannel audio
SCART
Video encoding standard
more than two channels, up to 5.1 multichannel. This method is backwards-compatible with MPEG-1, allowing MPEG-1 audio decoders to decode the two main stereo
MPEG-2
Form of audio post-production
taking audio (typically musical content) that has been previously mixed in either the analogue or digital domain as mono, stereo, or multichannel formats
Mastering_(audio)
Multimedia container file format
audio or video streams. One discrepancy ushered in by QuickTime 7 released on April 29, 2005, is that the QuickTime file format supports multichannel
QuickTime_File_Format
Surround sound component of Super Hi-Vision
"22.2 Multichannel Audio Format Standardization Activity" (PDF). NHK World. Retrieved February 17, 2014. "Ultra High Definition Television - Audio Characteristics
22.2_surround_sound
Digital audio standard
an Audio over Ethernet protocol for multichannel digital audio. It is defined in the AES50-2011 standard for High-resolution multi-channel audio interconnection
AES50
Electronic moving image
display of moving visual images and pictures, with or without accompanying audio. Video technology was initially developed for live transmission and later
Video
Audio-over-Ethernet protocol
in partnership with 3COM. It enables bidirectional transmission of multichannel audio data, control data, and instrument power. Revision 1.0 was introduced
Gibson_MaGIC
English electronic music duo
duo adopted a more portable working setup and generated weeks of multichannel audio from jam sessions. The resulting material was edited into shorter
Autechre
Compression format for surround sound
signal and to synthesize a high quality multichannel representation. MPEG Surround encoder receives a multichannel audio signal x1 to xN where the number of
MPEG_Surround
1998 Microsoft operating system version
streams, and multichannel audio support. All audio is sampled by the Kernel Mixer to a fixed sampling rate, which may result in some audio getting upsampled
Windows_98
American audio equipment manufacturer
manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture, and audio analysis tools for the professional
Meyer_Sound_Laboratories
Lossy audio coding format
Opus is a free and open source lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force
Opus_(audio_format)
API for rendering audio
(Open Audio Library) is a cross-platform audio application programming interface (API). It is designed for efficient rendering of multichannel three-dimensional
OpenAL
Topics referred to by the same term
protocol for querying and updating a database Dolby Digital Plus, a multichannel audio compression technology Deafness dystonia polypeptide, a protein/gene
DDP
Video encoding standard
MPEG-2 BC – backwards compatible with MPEG-1 Audio. MPEG-2 Audio is defined in ISO/IEC 13818-3. MPEG Multichannel – Backward compatible 5.1-channel surround
MPEG-1
Audio computer software
Expanded multichannel audio I/O capability to support up to 256 channels in each direction and improved compatibility with consumer multichannel audio interfaces
AudioMulch
Audio converter and CD ripper
introduced support for multithreaded file conversions, DSP processing, multichannel audio and an integrated tag editor and removed support for the Bonk format
Fre:ac
Real-time interaction for musicians over a computer network
as master classes. Participants may be connected by "high fidelity multichannel audio and video links" as well as MIDI data connections and specialized
Networked_music_performance
2017 live album by Kraftwerk
four-disc Blu-ray box set with Dolby Atmos multichannel audio and continuous 3D movies accompanying the audio as well as a large hardback book of photos;
3-D_The_Catalogue
Algorithm for objectively measuring perceived audio quality
Methods for the subjective assessment of small impairments in audio systems including multichannel sound systems ITU-R Recommendation BS.1534: Method for the
Perceptual Evaluation of Audio Quality
Perceptual_Evaluation_of_Audio_Quality
audio file format for SACD production. DST Direct Stream Transfer is lossless compression; part of MPEG-4; used for SACD DTS A series of multichannel
Glossary_of_digital_audio
File-based format for the digital recording and playback of high-definition video
resolutions. For audio compression, it supports both Dolby AC-3 (Dolby Digital) and uncompressed linear PCM audio. Stereo and multichannel surround (5.1)
AVCHD
Danish company specializing in audio amplification apps
include audio amplifier components for mobile phones, home audio (active speakers and amplifiers), car audio and home theatre (multichannel audio). In 2008
ICEpower
Band-limited audio for 3–120 Hz range
systems, a multichannel audio system was used to deliver different sounds to six or more different speakers. The widely used 5.1-channel audio system consists
Low-frequency_effects
Portable device capable of storing and playing digital media
1996 J.D.Johnston, J. Herre, M. Davis, and U.Gbur, MPEG-2 NBC Audio – Stereo and Multichannel Coding Methods, Proceedings of the 101st Convention, 1996 November
Portable_media_player
German sound engineer (1927–2025)
a home processor for multichannel audio. Today, the sound reinforcement system is used both in Germany and abroad. Multichannel stereo ambiophonics (the
Gerhard_Steinke
Audio format
RealNetworks introduced a surround sound version of cook, called RealAudio Multichannel. This was initially designated by the four-character code 'whrl',
RealAudio
Film and video editing software
timeline. RTAS - (RealTime AudioSuite), support for realtime track-based audio plug-ins on the timeline. 5.1 and 7.1 Surround Sound audio mixing, compatible with
Media_Composer
Musical artist
immersive audio. Her compositions integrate multilingual voice samples, granular synthesis and sequencers with open-source multichannel audio technology
Sol_Rezza
Software for interactive media and video games
Cross-platform sound engine (Wwise Authoring) Multichannel Creator (allows creation of multichannel audio) Plug-in architecture for source, effect, and
Audiokinetic_Wwise
Video editing software by Apple
shot type and facial recognition or fix potential problems like audio loudness, audio hum, channel grouping, background noise, color balance, pulldown
Final_Cut_Pro
Loudspeaker for low-pitched audio frequencies
sufficiently low are not easily localized by humans, hence many stereo and multichannel audio systems feature only one subwoofer channel and a single subwoofer
Subwoofer
Communication protocol for streaming data over the Internet
allowing simultaneous audio, video, and metadata processing within a single stream. The new audio header can describe multichannel audio configurations, which
Real-Time_Messaging_Protocol
Process of displaying interpretive texts to screens
Closed captions and subtitles are typically used as a transcription of the audio portion of a program as it occurs (either verbatim or in edited form), sometimes
Closed_captioning
Minimum sound level that an average human can hear
psychophysics[permanent dead link] Sensitivity of Human Ear The psychoacoustics of multichannel audio Three Models of Temporal Summation Evaluated Using Normal-Hearing
Absolute_threshold_of_hearing
Device that modulates an analog carrier signal to encode digital information
uses the AC'97 audio codec, which provides multichannel audio to a PC and includes three audio channels for modem signals. The audio sent and received
Modem
Type of professional audio connector
connectors are used to carry balanced analog or digital audio on many multichannel professional audio equipment, where the use of XLR connectors is impractical
D-subminiature (professional audio)
D-subminiature_(professional_audio)
Audio codec
audible coding artifacts. Both Dolby Digital and DD+ encoder converts a multichannel audio signal to the frequency domain using the modified discrete cosine
Dolby_Digital_Plus
Television term
Atlanta 1977-2000", "Time Warner Taps S-A for Interactive Analog Box", Multichannel News March 14, 1994 "Looking for TV Genius?". TV Genius. Red Bee Media
Electronic_program_guide
Alteration of the original shape of a signal
alteration of the waveform of an information-bearing signal, such as an audio signal representing sound or a video signal representing images, in an electronic
Distortion
Distribution of television programming to customers for a subscription fee in the USA
Multichannel television has been available in the United States since at least 1948. The U.S. is served by cable television systems, direct-broadcast satellite
Multichannel television in the United States
Multichannel_television_in_the_United_States
1992 studio album by Roger Waters
would be remastered and reissued on 24 July 2015 featuring a new 5.1 multichannel audio mix, as well as a new stereo mix. It was made available in a number
Amused_to_Death
American mass media company owned by Warner Bros. Discovery
built-in and external multichannel audio decoders) or audio simulcasts via FM radio, launched. The service originally offered Spanish audio simulcasts of recent
Home_Box_Office,_Inc.
Uses of radio and radio waves
band (typically 470–702 MHz). Modern developments include Wireless Multichannel Audio Systems (WMAS), which utilize wideband transmission to support high
Applications_of_radio
Digital audio workstation
stereo mixdown, while Logic Pro can handle multichannel surround sound. Logic Express only handled up to 255 audio tracks, depending on system performance
Logic_Pro
Japanese composer (1932–2016)
[citation needed] The advent of the DVD-Audio format allowed Tomita to further pursue his interests in multichannel audio with reworked releases of The Tale
Isao_Tomita
Digital audio compression standard
computers will often convert NICAM to another digital audio format to save drive space. Multichannel Television Sound Sound-in-Syncs VIMCAS Zweikanalton
NICAM
Digital audiovisual data interface
HD DVD players can decode all of the audio codecs internally and can output LPCM audio over HDMI. Multichannel LPCM can be transported over an HDMI connection
HDMI
Video or display resolutions with a width of around 4,000 pixels
Retrieved April 29, 2018. Wootton, Cliff (2005). A Practical Guide to Video and Audio Compression: From Sprockets and Rasters to Macroblocks. Taylor & Francis
4K_resolution
Television station in Linden, New Jersey
offer of $20 million a year and lost. It also proposed using the multichannel audio capability of the STV system to present some programs in English and
WNJU
Organization of professional audio engineers
interconnection AES10 (also commonly known as MADI) for multichannel digital audio interconnection AES11 for digital audio synchronization AES31 file exchange format
Audio_Engineering_Society
technical information for a variety of audio coding formats. For listening tests comparing the perceived audio quality of audio formats and codecs, see the article
Comparison of audio coding formats
Comparison_of_audio_coding_formats
American loudspeaker manufacturer
Electronics in 2017. Infinity produces packages for a range of audio applications, including multichannel surround sound home theatre packages, in-wall home speakers
Infinity_Systems
Multichannel digital audio interface
officially the ADAT Optical Interface, is a standard for the transfer of digital audio between equipment. It was originally developed by Alesis but has since become
ADAT_Lightpipe
Audio tracks for partially sighted viewers
broadcasting, particularly multichannel television sound (MTS), which allowed for a third audio channel, called the Secondary Audio Program (SAP). With a history
Audio_description
Television audio encoding standard
Multichannel Television Sound (MTS) is the method of encoding three additional audio channels into analog 4.5 MHz audio carriers on System M and System
Multichannel_Television_Sound
Open-source lossless audio codec
widely used (FLAC/ALAC) open-source lossless audio codecs Streaming support Supports multichannel audio and high resolutions Native support in WavPack
WavPack
Expansion card that provides input and output of audio signals
high-fidelity, low-latency multichannel sound recording, sound playback and/or gaming. Their drivers usually follow the Audio Stream Input/Output protocol
Sound_card
Next-generation TV standard based on ATSC
Retrieved January 10, 2017. "ATSC 3.0 Rollout Can Begin Next Month". Multichannel. Archived from the original on 2018-02-15. Retrieved 2018-02-14. Eggerton
ATSC_3.0
Wireless communications technology
Multichannel multipoint distribution service (MMDS), formerly known as broadband radio service (BRS) and also known as wireless cable, is a wireless telecommunications
Multichannel multipoint distribution service
Multichannel_multipoint_distribution_service
Method of sound reproduction using two audio channels
audible perspective. This is usually achieved by using two independent audio channels through a configuration of two loudspeakers (or stereo headphones)
Stereophonic_sound
Interoperability standard for professional audio over IP
"Gateway 4 : Four Channel IP Audio Codec". Tieline: The Codec Company. Retrieved July 29, 2025. "Gateway Multichannel IP Audio Codec". Tieline: The Codec
AES67
Listening test methodology
(2005-05-31). "Relationships between experienced listener ratings of multichannel audio quality and naïve listener preferences". The Journal of the Acoustical
MUSHRA
Telecommunications line code
AES Recommended Practice for Digital Audio Engineering - Serial Multichannel Audio Digital Interface (MADI), Audio Engineering Society "5.3 Symbol Encoding"
4B5B
switched to color sets. Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signal, in contrast to
History_of_television
Personal computer audio codec
48 kHz sampling rate at 24-bit resolution for 5.1 multichannel recording and playback. Integrated audio is implemented with the AC'97 Codec on the motherboard
AC'97
American audio equipment manufacturer
developments included the Ashly Protea and multichannel power amplifiers. In 2008, Ashly Audio was sold to the Canadian audio distribution company JAM Industries
Ashly_Audio
Finnish researcher and professor
Warner Memorial Medal for his significant research work surround and multichannel audio. Pulkki has co-authored Communication Acoustics with Matti Karjalainen
Ville_Topias_Pulkki
Encoder and decoder of AAC audio codec
several MPEG-4 Audio object types (LC and SBR for encoding, and SBR, PS, ER, LD for decoding), file formats (ADTS AAC, raw AAC, MP4), multichannel and gapless
FAAC
History of the American pay television network
program channel (accessible through built-in and external multichannel audio decoders) or audio simulcasts via FM radio, launched. The service—which initially
History_of_HBO
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MULTICHANNEL AUDIO
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MULTICHANNEL AUDIO
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