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[Speech/Voice recognition/combine] ADPCMCodec DL : 0: Project and source code for ADPCM
Date : 2025-07-19 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 : 2025-07-19 Size : 429kb User : stefanescul
[Mathimatics-Numerical algorithms] ADPCMcodec DL : 0: 自适应差分脉码调制算法，源码很好，已经调试过，可以用-Adaptive differential pulse code modulation algorithm, very good source, has been debugged, you can use
Date : 2025-07-19 Size : 225kb User : 李三中