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US6201873B1 - Loudspeaker-dependent audio compression ...
https://patents.google.com/patent/US6201873B1/en#:~:text=The%20invention%20is%20an%20audio%20compression%20system%20for,dependent%20upon%20the%20frequency%20content%20of%20the%20signal.
US6201873B1 - Loudspeaker-dependent audio …
https://patents.google.com/patent/US6201873B1/en
An audio compression system for connection to a loudspeaker exhibiting a frequency-dependent excursion response for signals having a constant amplitude, the system comprising: a …
Frequency Dependent Compression - Effects Forum - KVR Audio
https://www.kvraudio.com/forum/viewtopic.php?t=565469
I watched a Dan Worral's video about "Emphasis and De-emphasis EQ", and got interested in that technique. I've also seen some people call it "Frequency Dependent Compression" when a compressor is used in the middle (do not confuse with multiband compression nor dynamic EQing).
US20110243343A1 - Frequency-dependent anr reference …
https://patents.google.com/patent/US20110243343A1/en
Apparatus and method of controlling provision of ANR, possibly of a personal ANR device, in which amplitudes of a piece of audio employed in the provision of …
AUDIO AND VOICE COMPRESSION - NCSU
http://reeves.csc.ncsu.edu/Classes/csc557/2001-fall/lectures/audio-compression.pdf
• MPEG-I audio compression heavily exploits the properties of human hearing • Property #1: the threshold of hearing is frequency dependent — Established an “Absolute Threshold”, or “Quiet Threshold” • Property #2: masking of frequencies by other frequencies • Properties #1 + #2 Æ“Masking Threshold”
Audio compression and noise | TV Tech
https://www.tvtechnology.com/miscellaneous/audio-compression-and-noise
Consider a digital audio data stream with an 18-bit resolution and a sampling frequency of 48kHz. The essential bit rate is equal to: 18 bits per sample × 48kHz = 864kb/s. Six 5.1 audio channels and 18 bits per sample, as in ATSC, would result in a bit rate of 5.184Mb/s. It is obvious that compression is necessary for transmission purposes.
Audio Fundamentals, Compression Techniques & Standards
http://ce.sharif.edu/courses/91-92/2/ce873-1/resources/root/Class%20Notes/MMN-lec3-Audio-911121.pdf
Audio Compression ! MPEG Audio Codec ! Perceptual Coding ! MPEG1 ! Layer1 ! Layer2 ! Layer3(MP3) Sound, Sound Wave, Acoustics ! Sound: A continuous wave that travels through a medium ! Sound wave: Energy ... Sensitivity of the ear is dependent on frequency. !
A Tutorial on MPEG/Audio Compression - MIT Media …
https://web.media.mit.edu/~tristan/Classes/MAS.945/Papers/Technical/pan96tutorial.pdf
(11172-2), the compression of audio (11172-3), and the synchronization of the audio, video, and related data streams (11172-1) to an aggregate bit rate of about 1.5 Mbits/sec. The MPEG/audio standard also can be used for audio-only applications to
Unisum Mastering Compressor | Tone Projects | Unique …
https://www.toneprojects.com/unisum-mastering-compressor.html
The sidechain is split into 3 frequency bands, each with parallel RMS and Peak detectors. The result is efficient yet musical level tracking with flexibility to tailor the response for a perfect fit with any track. You can also set up frequency dependent Threshold, Ratio, and Attack/Release.. all without destructive crossovers in the audio path.
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