The Implementation of G.726 Adaptive Differential Pulse Code Modulation (ADPCM) on TMS320C54x DSP
資源簡(jiǎn)介:The Implementation of G.726 Adaptive Differential Pulse Code Modulation (ADPCM) on TMS320C54x DSP
上傳時(shí)間: 2015-06-07
上傳用戶:Thuan
資源簡(jiǎn)介:ADPCM(Adaptive Differential Pulse Code Modulation),是一種針對(duì) 16bits( 或8bits或者更高) 聲音波形數(shù)據(jù)的一種有損壓縮算法,它將聲音流中每次采樣的 16bit 數(shù)據(jù)以 4bit 存儲(chǔ),所以壓縮比 1:4. 而且壓縮/解壓縮算法非常簡(jiǎn)單,所以是一種低空間消耗,高質(zhì)量高...
上傳時(shí)間: 2016-05-24
上傳用戶:wangdean1101
資源簡(jiǎn)介:DPCM是Differential pulse code Modulation的縮寫,也就是差分脈沖編碼調(diào)制的意思。他的主要思想是通過已知的數(shù)據(jù)預(yù)測(cè)下一個(gè)數(shù)據(jù),然后傳遞預(yù)測(cè)值與實(shí)際值之間的差值。
上傳時(shí)間: 2017-01-25
上傳用戶:myworkpost
資源簡(jiǎn)介:INTRODUCTION In the past, adding speech recording and playback capability to a product meant using a digital signal processor or a specialized audio chip. Now, using a simplified Adaptive Differential Pulse Code Modulation(ADPCM) algorithm,...
上傳時(shí)間: 2022-06-20
上傳用戶:
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