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Description: 因为种种原因，最近需要把原始的wav文件压缩成ADPCM格式。但是网上几乎搜不到相关的中文资料。花了相当长的时间，七拼八凑的从一些文章中得到了些信息，终于搞定了它。为了方便遇到跟我一样麻烦的人，我决定把它详细的写下来。 -
For various reasons, most recently the need to compress the original wav file into ADPCM format. But Chinese Internet almost found the information not relevant. It took quite a long time, it has been rigged up some information some of the articles, and finally get it. In order to facilitate the encounter of people like me in trouble, I decided to write it down in detail.
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Size: 16384 |
Author: wangfei |
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Description: This project features a full-hardware sound compressor using the well known algorithm: IMA ADPCM.
The core acts as a slave WISHBONE device.
The output is perfectly compatible with any sound player with the IMA ADPCM codec (included by default in every Windows). Includes a testbench that takes an uncompressed PCM 16 bits Mono WAV file and outputs an IMA ADPCM compressed WAV file.
Compression ratio is fixed for IMA-ADPCM, being 4:1.
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Size: 23552 |
Author: Joe |
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Description: 开源音频处理类库
NAudio主要的功能：
1、支持多种API播放音频，WaveOut、DirectSound、ASIO、WASAPI （Windows Vista及以上）
2、支持多种音频格式解压缩，MP3（ACM或者DMO解码）、AIFF、G.711（mu-law或者a-law）、ADPCM、G.722、Speex、SF2
3、可以解码任意ACM编码的音频
4、支持WaveIn、WASAPI、ASIO录音
5、支持读写标准WAV格式的文件
6、使用32位混音引擎
6、提供MIDI文件多种读写方式(NAudio main functions:
1, support a variety of API playback audio, WaveOut, DirectSound, ASIO, WASAPI (Windows Vista and above)
2, support a variety of audio format decompression, MP3 (ACM, AIFF, or DMO decoding) G.711 (mu-law or A-Law), ADPCM, G.722, Speex and SF2
3. You can decode any ACM encoded audio
4. Support WaveIn, WASAPI, ASIO recording
5. Documents supporting the read and write standard WAV format
6. Using a 32 bit mixer engine
6. Provide a variety of reading and writing methods for MIDI files)
Platform: |
Size: 12766208 |
Author: 苟利国
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