TW200715145A - File compression method of digital sound signals - Google Patents

File compression method of digital sound signals

Info

Publication number
TW200715145A
TW200715145A TW094135574A TW94135574A TW200715145A TW 200715145 A TW200715145 A TW 200715145A TW 094135574 A TW094135574 A TW 094135574A TW 94135574 A TW94135574 A TW 94135574A TW 200715145 A TW200715145 A TW 200715145A
Authority
TW
Taiwan
Prior art keywords
appearance probability
stored bit
file
sound signals
ceiht
Prior art date
Application number
TW094135574A
Other languages
Chinese (zh)
Inventor
Wen-Yu Su
wei-cheng Zhang
Jing-Xin Wang
Original Assignee
Lin Hui
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lin Hui filed Critical Lin Hui
Priority to TW094135574A priority Critical patent/TW200715145A/en
Publication of TW200715145A publication Critical patent/TW200715145A/en

Links

Abstract

This invention relates to a file compression method of digital sound signals, which mainly uses a harmonic structure quad tree (HSQT) to rearrange the frequency parameters in each sound frame and apply the algorithm of concurrent encoding in hierarchical trees (CEIHT) to increase and simplify the management and calculation speed, match arithmetic coding for parameters of CEIHT masking symbol, use the appearance probability record of mask to decide the stored bit numbers, where the appearance probability is inversely proportional to the necessary stored bit numbers. Using increasing the appearance probability of mask to greatly deduce the stored bit number, the overall compression type can compress a sound signal compression file with high compression ratio in a simple management process.
TW094135574A 2005-10-12 2005-10-12 File compression method of digital sound signals TW200715145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW094135574A TW200715145A (en) 2005-10-12 2005-10-12 File compression method of digital sound signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094135574A TW200715145A (en) 2005-10-12 2005-10-12 File compression method of digital sound signals

Publications (1)

Publication Number Publication Date
TW200715145A true TW200715145A (en) 2007-04-16

Family

ID=57911544

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094135574A TW200715145A (en) 2005-10-12 2005-10-12 File compression method of digital sound signals

Country Status (1)

Country Link
TW (1) TW200715145A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI729581B (en) * 2012-12-12 2021-06-01 瑞典商杜比國際公司 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI729581B (en) * 2012-12-12 2021-06-01 瑞典商杜比國際公司 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
TWI788833B (en) * 2012-12-12 2023-01-01 瑞典商杜比國際公司 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US11546712B2 (en) 2012-12-12 2023-01-03 Dolby Laboratories Licensing Corporation Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field

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