September 2024

Error Corrections

• I2SCodecStream reported wrong audio info
• AudioDecoder isResultPCM() should return true
• AudioPlayer call begin on volume_out
• WAVDecoder: Correct ADPCM
• Simplify WAV Header Parsing
• Maximilian correct broken loading from file
• Correct FFT compile errors
• ESP32: ADC_ATTEN_DB_11 is deprciated
• STM32: Ethernet support
• RP2040 MBED: correct compile errors

New Functionality

• AudioSourceSD pass SPI as argument in constructor
• FormatConverterStream provide begin() method
• AudioBoardStream provide new setActionVolumeIncrement() method
• Buffered URL: define optional buffer size
• A2DPStream provide access to buffer information

July 2024

What's Changed

Full Changelog: v0.9.7...v0.9.8

Feb 2024 - Many Corrections & New Functionality

I noticed that I haven't published any release for a long time.
This release contains many error corrections and the following new functionality

New Functionality

• Codec L8 and L16
• RIFF file format
• Adpcm codec
• Opus Ogg
• AACDecoderADTS

Pltforms

• Arduino UNO R4
• Nano BLE Sense: I2S Support
• ESP32 Arduino Support for 3.0.0

Integrations

• Faust Support with Examples
• Integration with Pure Data
• New Audio Driver Concept for supporting LyraT, AudioKit and many other codecs

Communication

• Throttle
• VBAN Support
• FTP example

New Classes

• PIDController
• Median Filter
• ChannelSplitOutput

0.9.6 - BinaryContainer, MiniAudioStream, TimedStream, RingBufferFile...

Design Changes

• renamed classes ending with Stream that do not support input to Output

  • CsvStream to CsvOutput,
  • PWMAudioStream to PWMAudioOutput
  • PitchShiftStream to PitchShiftOutput
  • SPDIFStream to SPDIFOutput

• renamed classes ending with Print to Output (e.g.

  • VolumePrint to VolumeOutput
  • MetaDataPrint to MetaDataOutput

New Functionality

• TimedStream using timed start and stop position in seconds
• RingBufferFile for a file backed ringbuffer
• BinaryContainer as supported container for codecs: decder , encoder
• MiniAudioStream for output on Desktop

Extended Functionality

• ProgressStream
  • provide processedSecs()
  • take audio info from AudioStream if possible
  • added totalBytes() and totalSecs()
• AudioFFT: reset() method to restart processing

Corrections:

• AnalogConfig use I2S_AUTO_CLEAR
• Correct CodecLC3 quality problem
• Add missing virtual overrides to reverbs
• cleanup A2DPStream
• Correct broken CodecAPTX

New Examples

• esp-now example using a codec

0.9.5 - FileLoop, SIDPlayer, ProgressStream, FormatConverterStream...

New functionality/classes

• FileLoop
• SIDPlayer
• ProgressStream
• WAV IMA Decoder
• FormatConverterStream
• NumberFormatConverterStream
• WM8960Stream
• AudioESP32ULP
• DecoderBase64/EncoderBase64
• CallbackStream
• LEDOutput & examples
• PinkNoiseGenerator
• Example streams-azure_tts-i2s

Changes / Improvements

• Renamed AudioBaseInfo to AudioInfo
• RingBuffer using Vector instead of array
• URL & ICY Streams w/o new and delete
• RTSPStream: added some more formats
• Use more reliable way to identify esp32 S2,S3,C3

Corrections

• Compile error SAMD boards
• InputMixer stop reading muted channels
• A2DPStream (use of new concurrency implementation)
• correct Helix pcm misspelling
• Compile error when USE_AUDIO_LOGGING false
• Fix return value AnalogDriverArduino::read
• Div FFT implementations: support begin() after end()

New Environments

• IDF support
• Support for RP2040W
• Tests for different Arduino architectures

0.9.4 - Major Class Redesign / Doxygen Modules / Jupyter

• Class redesign to provide clean platform specific implementation classes

• Provide comprehensive modules in doxygen

• Support for frameworks w/o Arduino / Support for Jupyter

• Many Error Correction

• Automatic generation of Doxygen on commit

• New functionality

  • Proper 24 bit support using int24_t
  • Pitch Shifting: provide multiple implementations
  • Concurrency Implementation with Tests
  • NumberFormatConverterStream
  • EncodedAudioStream supports now readBytes()
  • fft window functions
  • InputMixer, OutputMixer
  • StdioStream (e.g. for binary output on desktop)
  • FadeStream to avoid pops / Integration in AudioPlayer
  • DRAFT LEDOutput class

• Changes

  • Convert Notes from int to float
  • Support Dynamic Resampling

0.9.3 - LittleFS, Multiple Compilation Units and more FFT

• Support for LIttleFS for AudioPlayer
• Support for cmsis fft
• Support for FFT using the Espressif DSP library
• added FFT tests
• A2DPStream remove instance() method
• SineFromTable performance optimisations
• added FastSineGenerator class (thanks to vivichrist)
• STM32 PWM output
• Examples for using SD library
• Guitar Effects example using Web GUI
• Support for multiple compilation units (with USE_INLINE_VARS in AudiConfig.h)
• Example for using FFT from A2DP
• Some other smaller error corrections

0.9.2 - Error Corrections & STM32 Support

• Error Correction for compile error for AudioPlayer introduced by last Multiuser Server support
• Error Correction for AudioCopy not providing any data introduced by last Multiuser Server support
• Error Correction for Audio Player which is stopping too early
• SD and SDMMC support for ESP32 > 2.0
• I2S Support for the STM32F411
• DRAFT Support for the PWMStream for STM processors
• DRAFT Support for the AnalogAudioStream input for STM processors

0.9.1 - Multiuser Webserver / DynamicMemoryStream / Error Corrections

• Multiuser Webserver with examples
• DynamicMemoryStream with Example (which supports PSRAM)
• Correction for StreamCopy to support URLStream as source
• Examples for STK
• Updated Delay AudioEffect (thanks to https://github.com/andysheen)
• Extended UDPStream to support StreamCopy as source (thanks to https://github.com/andysheen)

0.9.0 - New Functionality and Many Codecs

• Many new Codecs
• Support for VS1053 Codec Module
• Improvement and Cleanup of Desktop Build
• Format Converting Streams
• Support for Faust DSP
• Simple API for FFT / Alternative FFT Implementations
• 3 Band Equilizer
• MultiOutput to multiple Sinks
• Mixing multiple Sources
• Communication via RTSP and ESPNow
• PSRAM support for ESP32