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QDesign Music - Multimedia
https://multimedia.cx/mirror/qdmc2.pdf
This is an initial analysis of QDesigns audiocodecs QDMC and QDM2 (QDM aka QDesign Music). The goal is to eventually understand the structure of the codecs and finally be able to decode it. 2 Introduction QDMC is an audio compression-codec from QDesign. It is mainly used in Quick-time [2] from Apple. So far very little is(was) known about this ...
QDesign Music Codec - MultimediaWiki
https://wiki.multimedia.cx/index.php?title=QDesign_Music_Codec
QDesign Music Codec is a perceptual audio codec commonly used in MOV files between 1998 and 2005, after which it was more or less supplanted by AAC for the same role. Variants of QDM2 with 32, 16 or 8 subbands exist, 16 and 8 decode with noticeable artifacts (metallic sound). The codecs were the predecessors of DTS LBR (also known as DTS express).
QDM2 - MultimediaWiki
https://wiki.multimedia.cx/index.php?title=QDM2&redirect=no
Retrieved from "https://wiki.multimedia.cx/index.php?title=QDM2&oldid=4491"
Audio CODECs - OMIOD
https://www.omiod.com/audio-codecs.asp
QDMC/QDM2 QDesign Music codec: QCLP Qualcomm PureVoice: RadGameTools Smacker Audio: RadGameTools Bink Audio: Real Lossless Codec: SIPR Real Sipr-net: Sony ATRAC: Named after '8-track' TAG 2000: TwinVQ: VIA VT1612A AC'97: VIA Technologies: Voxware:
ffmpeg: libavcodec/qdm2.c File Reference - doxygen ...
https://fossies.org/dox/ffmpeg-5.0/qdm2_8c.html
About: FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video (including the audio/video codec library "libavcodec"). Fossies Dox: ffmpeg-5.0.tar.xz ("unofficial" and yet experimental doxygen-generated source code documentation)
Support AudioToolBox encoding · Issue #1179 ...
https://github.com/UniversalMediaServer/UniversalMediaServer/issues/1179
D.A.L. qdm2 QDesign Music Codec 2 (decoders: qdm2 qdm2_at ) D.A.L. qdmc QDesign Music (decoders: qdmc_at ) The text was updated successfully, but …
QDesign - Wikipedia
https://en.wikipedia.org/wiki/QDesign
QDesign Corporation was a developer of digital audio compression technologies. The company's MP2 and MP3 technologies were used in professional audio and broadcast automation systems as well as multimedia and video production systems. QDesign developed a music codec, originally known as LBpack.QDesign licensed the initial version of the codec and created the …
Supported Audio File and Data Formats in OS X
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/SupportedAudioFormatsMacOSX/SupportedAudioFormatsMacOSX.html
Supported Audio File and Data Formats in OS X. This appendix describes the audio data and file formats supported in Core Audio in OS X v10.5. Each audio file type lists the data formats supported for that type. That is, a converter exists to convert data from the particular file format to any of the listed data formats.
WCM Supported Video/Audio Codec Guideline
https://www.signage.dtri.com/support/faq/Supported_Video_Audio_Codec_Guideline.pdf
1 WCM Supported Video/Audio Codec Guideline Updated: Jun, 2014 File Format Supported File Extension Video Encoding Audio Encoding Remark MP4 .mp4 MPEG4 AAC, MP3
Supported Audio Formats – Nuclei, Inc.
https://support.nuclei.ai/hc/en-us/articles/360046193093-Supported-Audio-Formats-
Nuclei ETL Edge This article provides an overview of the audio formats supported by Nuclei. Decoding 8SVX exponential 8SVX fibonacci AAC (Advanced Audio Coding) AAC (Advanced Audio Coding) (codec...
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