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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).
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:
QDM2 - MultimediaWiki
https://wiki.multimedia.cx/index.php?title=QDM2&redirect=no
Retrieved from "https://wiki.multimedia.cx/index.php?title=QDM2&oldid=4491"
WCM Supported Video/Audio Codec Guideline
https://www.signage.dtri.com/support/faq/Supported_Video_Audio_Codec_Guideline.pdf
WCM Supported Video/Audio Codec Guideline Updated: Jun, 2014 File Format Supported File Extension ... MOV .mov MPEG4 AAC, AMR Narrowband, IMA 4:1, PCM, QDesign Music2, u-law 2:1, Apple lossless, MACE3-1, MACE6-1, Qualcomm H.264 QDesign Music2, u-law 2:1, Apple lossless, MACE3- ... QDM2, Qualcomm, U-law. 2 File Format Supported File Extension ...
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.
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