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Microphone 的代码
readme.txt
Q:What is This Demo doing?
A:
|-->ACMCONVERTOR--(PCM)-->Display Audio Level
|
Microphone-->SoundCard-->AC
microphone2.m
% Script file: microphone2.m
%
% Purpose:
% This program plots the gain pattern of a cardioid
% microphone. This version of the program uses low-
% level graphics commands to place
ansphonephone.h
#ifndef __ANSPHONEPHONE_H__
#define __ANSPHONEPHONE_H__
#include
/**
*
* @class RAnsPhonePhone AnsPhonePhone.h
* @brief This class modifys the speaker volume and microphone gain of
f_getsound.asv
function [x,cancel] = f_getsound (x,duration,fs,xstr);
%F_GETSOUND: Record sound from PC microphone
%
% Usage: [x,cancel] = f_getsound (x,duration,fs);
%
% Inputs:
% x = an arr
f_getsound.m
function [x,cancel] = f_getsound (x,duration,fs,xstr);
%F_GETSOUND: Record sound from PC microphone
%
% Usage: [x,cancel] = f_getsound (x,duration,fs,xstr);
%
% Inputs:
% x = a
normmix.m
%%% normalization of mixing matrix based on known microphone responsed
function [A,W,y,theta]=normmix(A,x,u)
k=A(1,:)./A(2,:);
theta=real(acos((k-1)./(u*(k+1))));
A=calcA(theta,u);
W=inv(A);
y=W*x;
ag_microphone.c
#include "ag_private.h"
#include "ag.h"
#include
#include
/*
sendMicrophoneGain
Send out a microphone gain AT cmd
*/
static void sendMicrophoneGain(uint8
microphone2.m
% Script file: microphone2.m
%
% Purpose:
% This program plots the gain pattern of a cardioid
% microphone. This version of the program uses low-
% level graphics commands to place
readme.txt
1).在PC机上观察超级终端程序主窗口，可以看到如下界面：
Boot success…
IIS test example
Menu(press digital to select):
1: play wave file
2: record and play
2)选择程序操作方式，选择1的话将会听到音乐，选择2的话将会进行录音（本板配置是microphone插座）。
Start r
f_getsound.asv
function [x,cancel] = f_getsound (x,duration,fs,xstr);
%F_GETSOUND: Record sound from PC microphone
%
% Usage: [x,cancel] = f_getsound (x,duration,fs);
%
% Inputs:
% x = an arr