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[Speech/Voice recognition/combine] ADPCMCodec DL : 0: Project and source code for ADPCM
Date : 2025-07-15 Size : 701kb User : shiva
[VHDL-FPGA-Verilog] ADPCMCodec DL : 0: The DVI Adaptive Differential Pulse Code Modulation (ADPCM) algorithm was first described in an IMA recommendation on audio formats and conversion practices [1]. ADPCM is a transformation that encodes 16-bit audio as 4 bits (a 4:1 compression ratio). In order to achieve this level of compression, the algorithm maintains an adaptive value predictor, which uses the distance between previous samples to store the most likely value of the next sample. The difference between samples is quantized down to a new sample using an adaptive step-size. The algorithm in [1] suggests using a table to adapt this step-size to the analyzed data. ADPCM has become widely used and adapted, and a variant of the algorithm performs voice encoding on cellular phones (allowing minimal data to be sent across the wireless network and increasing throughput).
Date : 2025-07-15 Size : 429kb User : stefanescul
[VHDL-FPGA-Verilog] ADPCMverilog DL : 0: ADPCM编码的Verilog编码实现，代码有详细的注释，编译通过-ADPCM coding Verilog code, the code has detailed notes, compiled by
Date : 2025-07-15 Size : 2.34mb User : 郭暧闵