说明
通过指定目标采样率初始化AudioZero 库。
用法
AudioZero.begin(rate);
参数
rate (int):声音文件的采样率。
返回
没有什么
示例
/*
Simple Audio Player for Arduino Zero
Demonstrates the use of the Audio library for the Arduino Zero
Hardware required :
* Arduino shield with a SD card on CS4
* A sound file named "test.wav" in the root directory of the SD card
* An audio amplifier to connect to the DAC0 and ground
* A speaker to connect to the audio amplifier
Arturo Guadalupi <a.guadalupi@arduino.cc>
Angelo Scialabba <a.scialabba@arduino.cc>
Claudio Indellicati <c.indellicati@arduino.cc>
This example code is in the public domain
http://arduino.cc/en/Tutorial/SimpleAudioPlayerZero
*/
#include <SD.h>
#include <SPI.h>
#include <AudioZero.h>
void setup()
{
// debug output at 115200 baud
Serial.begin(115200);
// setup SD-card
Serial.print("Initializing SD card...");
if (!SD.begin(4)) {
Serial.println(" failed!");
return;
}
Serial.println(" done.");
// hi-speed SPI transfers
SPI.setClockDivider(4);
// 88200 sample rate
AudioZero.begin(88200);
}
void loop()
{
int count = 0;
// open wave file from sdcard
File myFile = SD.open("test.wav");
if (!myFile) {
// if the file didn't open, print an error and stop
Serial.println("error opening test.wav");
while (true);
}
Serial.print("Playing");
// until the file is not finished
AudioZero.play(myFile);
AudioZero.end();
Serial.println("End of file. Thank you for listening!");
while (true) ;
}
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注:本文由纯净天空筛选整理自arduino.cc大神的英文原创作品 AudioZero - begin()。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。