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Algorithmic delay and synchronization in MPEG audio …
https://www.eetimes.com/algorithmic-delay-and-synchronization-in-mpeg-audio-codecs/
It is based upon MPEG2 AAC audio compression technology. To reduce the algorithmic delay, the frame size is reduced to 512 (or 480) samples implying a framing delay of 512 (or 480) samples (K). The input to MDCT is now 1024 (or 960) samples, with the MDCT delay being 512 (or 480) samples (.mdct).
Algorithmic delay and synchronization in MPEG audio codecs
https://www.design-reuse.com/articles/23363/mpeg-audio-codec-algorithmic-delay-synchronization.html
Algorithmic delay and synchronization in MPEG audio codecs. ... This makes subset of audio codecs suited for particular systems and makes working with multiple audio compression technologies indispensable. In designing time-critical systems like conferencing, broadcast transcoding systems or be it in designing any audio and video play-out ...
Improved MPEG Low-Delay Audio Coding on DaVinci …
https://www.ti.com/lit/ml/sprp526/sprp526.pdf
Fraunhofer‘s Low Delay Codecs • MPEG-4 AAC Low Delay ... • Video and lip synchronization →delay < 20 ms • Low data rate for robust wireless transmission →Ultra Low Delay audio codec. Ultra Low Delay Audio Codec • Very low algorithmic delay (1.3 ms – 8 ms) • High Audio Quality at 64-80 kbps/ch • Complexity (16-Bit DSPs ...
MPEG-4 Low Delay Audio Coding Based on the AAC Codec
https://www.iis.fraunhofer.de/content/dam/iis/de/doc/ame/conference/AES-106-Convention_MPEG-4_Low-Delay-based-on-AAC_AES4929.pdf
This paper discusses the primary sources of algorithmic delay in a perceptual audio codec and describes an MPEG~2 AAC-derived codec which was optimized for very low delay and accepted as the baseline of development for low-delay coding in MPEG-4 version 2 audio. i Introduction During the last decade, perceptual audio coding has become one of ...
- Low delay audio coding for broadcasting applications
https://www.itu.int/dms_pub/itu-r/opb/rep/R-REP-BS.2161-2009-PDF-E.pdf
The algorithmic delay and the transmission delay sum up to the total delay of a codec. 2.1 ISO/IEC 11172-3 (MPEG-1 Audio) Layer II and MPEG-1 Layer III 2.1.1 Overview The international standard ISO/IEC 11172 was introduced November 1992. The MPEG/Audio-Group developed the audio part of the standard, which is described in ISO/IEC 11172-3. This part
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