Realtime spectrum analyzer. Using FFT, linear prediction, or cepstrum smoothing. Version using MEMS microphone and CODEC, named "F746_RealtimeSpectrumAnalyzer_MEMS_Mic" is registered. リアルタイム スペクトル解析器.解析の手法:FFT,線形予測法,ケプストラムによる平滑化の3種類.このプログラムの説明は,CQ出版社のインターフェース誌,2016年4月号に掲載.外付けのマイクまたは他の信号源等を A0 に接続する.線形予測法,ケプストラムは,スペクトル解析の対象を音声信号に想定してパラメータを設定している.MEMS マイクと CODEC を使ったバージョンを "F746_RealtimeSpectrumAnalyzer_MEMS_Mic" として登録.
Dependencies: BSP_DISCO_F746NG BUTTON_GROUP LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed
Revisions of main.cpp
Revision | Date | Message | Actions |
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18:6630d61aeb3c | 2016-02-22 | 19 | File Diff Annotate |
17:b74b1d99a8c1 | 2016-02-17 | 18 | File Diff Annotate |
15:a490686fce1e | 2016-01-02 | 16 | File Diff Annotate |
14:cd4534fb34e7 | 2016-01-01 | 15 | File Diff Annotate |
13:92ac49e48697 | 2015-12-31 | 14 | File Diff Annotate |
12:e5367ab82460 | 2015-12-31 | 12 | File Diff Annotate |
11:a8420871920e | 2015-12-31 | 12 | File Diff Annotate |
10:351d70a4efde | 2015-12-31 | 11 | File Diff Annotate |
9:99c55850cb41 | 2015-12-29 | 10 | File Diff Annotate |
8:1f4bc859bc84 | 2015-12-28 | 9 | File Diff Annotate |
7:6598a9b70e5a | 2015-12-20 | 8 | File Diff Annotate |
6:b27ef8d98edc | 2015-12-18 | 7 | File Diff Annotate |
5:98ec9dd54144 | 2015-12-15 | 6 | File Diff Annotate |
4:99d4d5ea06a2 | 2015-12-15 | 5 | File Diff Annotate |
3:7c26b701f363 | 2015-12-14 | 4 | File Diff Annotate |
2:095b360e0f54 | 2015-12-13 | 3 | File Diff Annotate |
1:1656f55c2d5c | 2015-12-10 | 2 | File Diff Annotate |
0:5c237fdcba23 | 2015-12-09 | 1 | File Diff Annotate |