Merge branch 'main' of https://github.com/pschatzmann/arduino-audio-tools into main

Author: pschatzmann

README.md

@@ -35,6 +35,7 @@ As “Audio Sinks” we will have e.g:
 - external DAC – [I2SStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_i2_s_stream.html)
 - Analog output e.g. with an Amplifier – [AnalogAudioStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_analog_audio_stream.html)
 - with a Piezo Electric Element – [PWMAudioStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_p_w_m_audio_stream_base.html)
+- external SPDIF/TOSLINK Amplifier - [SPDIFStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_s_p_d_i_f_stream.html)
 - Bluetooth Speakers – [A2DPStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_a2_d_p_stream.html)
 - Serial to display the data as CSV – [CsvStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_csv_stream.html)
 - Encoding and Decoding of Audio [EncodedAudioStream](https://pschatzmann.github.io/arduino-audio-tools/html/classaudio__tools_1_1_encoded_audio_stream.html)

examples/examples-audiokit/player-sd-audiokit/player-sd-audiokit.ino

@@ -12,8 +12,6 @@
 #include "AudioTools.h"
 #include "AudioLibs/AudioKit.h"
 
-using namespace audio_tools;  
-
 const char *startFilePath="/";
 const char* ext="mp3";
 int speedMz = 10;

examples/examples-audiokit/player-url_icy-audiokit/player-url_icy-audiokit.ino

@@ -13,8 +13,6 @@
 #include "AudioCodecs/CodecMP3Helix.h"
 #include "AudioLibs/AudioKit.h"
 
-using namespace audio_tools;  
-
 const char *urls[] = {
   "http://centralcharts.ice.infomaniak.ch/",
   "http://centraljazz.ice.infomaniak.ch/",

examples/examples-audiokit/streams-audiokit-audiokit/streams-audiokit-audiokit.ino

@@ -11,8 +11,6 @@
 #include "AudioTools.h"
 #include "AudioLibs/AudioKit.h"
 
-using namespace audio_tools;  
-
 AudioKitStream kit; // Access I2S as stream
 StreamCopy copier(kit, kit); // copy kit to kit
 

examples/examples-audiokit/streams-audiokit-csv/streams-audiokit-csv.ino

@@ -11,8 +11,6 @@
 #include "AudioTools.h"
 #include "AudioLibs/AudioKit.h"
 
-using namespace audio_tools;  
-
 AudioKitStream kit; // Access I2S as stream
 CsvStream<int16_t> csvStream(Serial);
 StreamCopy copier(csvStream, kit); // copy kit to csvStream

examples/examples-basic-api/base-adc-a2dp/base-adc-a2dp.ino

@@ -14,8 +14,6 @@
 #include "BluetoothA2DPSource.h"
 #include "AudioTools.h"
 
-using namespace audio_tools;  
-
 /**
  * @brief We use a mcp6022 analog microphone as input and send the data to A2DP
  */ 

examples/examples-basic-api/base-adc-serial/base-adc-serial.ino

@@ -14,8 +14,6 @@
 #include "BluetoothA2DPSource.h"
 #include "AudioTools.h"
 
-using namespace audio_tools;  
-
 /**
  * @brief We use a mcp6022 analog microphone on GPIO34 and write it to Serial
  */ 

examples/examples-basic-api/base-file_mp3-a2dp/base-file_mp3-a2dp.ino

@@ -18,7 +18,7 @@
 #include "BluetoothA2DPSource.h"
 #include "AudioTools.h"
 
-using namespace audio_tools;  
+
 
 const int sd_ss_pin = 5;
 const char* fileName = "/audio.mp3";

examples/examples-basic-api/base-i2s-a2dp/base-i2s-a2dp.ino

@@ -12,7 +12,7 @@
 
 #include "AudioTools.h"
 
-using namespace audio_tools;  
+
 
 /**
  * @brief We use a ADS1015 I2S microphone as input and send the data to A2DP

examples/examples-basic-api/base-i2s-serial/base-i2s-serial.ino

@@ -10,7 +10,7 @@
 #include "Arduino.h"
 #include "AudioTools.h"
 
-using namespace audio_tools;  
+
 
 /**
  * @brief We use I2S as input