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Txt2Vid: Ultra-Low Bitrate Compression of Talking-Head ...
https://deepai.org/publication/txt2vid-ultra-low-bitrate-compression-of-talking-head-videos-via-text
While conventional approaches typically require ∼ 10-100 Kbps of bandwidth, TxtVid has the potential to achieve ultra-low bitrates of ∼ 100 Kbps by compressing videos to text. This can lead to multiple orders of magnitude compression advantage if we can achieve similar QoE as the conventional approaches in low-bitrate regime.
x264 vs. x265: 1080p ultra low bitrate comparison – The ...
http://wp.xin.at/archives/4020
Also, you may wish to invest at least a little bit of additional bitrate in audio as well, I mean, 8kbit/s HEv2-AAC sounds reaaally horrible. Like worse than a phone call in the 50s. Also: If you choose to go more low-res, you can encode faster even when using more taxing settings at the same bitrate.
Audio Compression - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/computer-science/audio-compression
- Bits/sample: 16 bits - Compression rate: 1.0x - Compression: Microsoft Pulse Code Modulation (PCM) - Bit rate: 1.5 Mbit/sec. Asf/Wmv. Like Windows Media Audio (WMA), Windows Media Video (WMV) is a proprietary Microsoft format for compressing video. It is stored in an ASF container and is generally accompanied by a synchronized WMA stream.
DS- 2CD4 C36FWD-(A)(P) 3 MP Ultra-Low Light Smart …
https://www.hikvision.com/content/dam/hikvision/products/S000000001/S000000002/S000000003/S000000005/OFR000003/M000000350/Data_Sheet/DS-2CD4C36FWD-AP_20170824.pdf
H.264 Type Baseline Profile/Main Profile/High Profile H.264+ Support H.265 Type Main Profile H.265+ Support Video Bit Rate 32 Kbps – 16 Mbps Audio Compression G.711/G.722.1/G.726/MP2L2/PCM Audio Bit Rate 64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2) Image Max. Resolution …
Ultra low bitrate video coding | Request PDF
https://www.researchgate.net/publication/4170000_Ultra_low_bitrate_video_coding
Ultra low bitrate video coding ... title="Video Compression using Efficient Encoding Techniques for Low Bit Rate Applications", P1151733581, author="Ayush Purohit …
DS-2CD4A26FWD-(IZ)(IZS)(IZHS)(LZS)/P - Hikvision
https://www.hikvision.com/content/dam/hikvision/products/S000000001/S000000002/S000000003/S000000005/OFR000003/M000000341/Data_Sheet/Spec-of-DS-2CD4A26FWD-IZPIZSPIZHSPLZSP_20190719.pdf
Video Bit Rate 32 Kbps to 16 Mbps Audio Compression (-S) G.711/G.722.1/G.726/MP2L2 Audio Bit Rate (-S) 64Kbps (G.711) /16Kbps (G.722.1) /16Kbps (G.726) /32-160Kbps (MP2L2)
Audio | MPEG
https://mpeg.chiariglione.org/standards/mpeg-4/audio
Typically, the average bit-rate is about 768 kbps for stereo audio at 48 kHz / 16 bit (2:1 compression on average, depending on the input signal). For higher resolutions (sampling rates and word length) this bit rate increases up to about 4000 kbps stereo for 192 kHz / 24 bit signals.
Why does low-bit rate audio sound tinny? - Quora
https://www.quora.com/Why-does-low-bit-rate-audio-sound-tinny
Answer (1 of 3): Modern audio compression works on the basis of a psychoacoustic model (see Psychoacoustics). In such models, there are algorithms that remove some details of an audio signal that, ideally, you won't notice. So the 1.41 Mb/s audio stream of a stereo CD is reduced to your 320kb/s o...
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