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TinyAudio Library



Product description

Currently supported end-user functions

  • Audio Playback and Modulation
  • Acoustic Vehicle Alert System
  • Audio Mixing

Supported architectures

  • ARM Cortex-M4
  • NXP, TI, Renesas, STMicro

Product facts

System requirements

  • Worst case CPU load: 60% @ 200 MHz
  • Supports single-core / multi-core
  • RAM footprint: 1.1 MByte
  • ROM footprint: 0.25 MByte

Automotive standards compliance

  • ASIL-B compliant
  • Classic AUTOSAR compliant
  • UNECE Regulation No. 138.01. compliant
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Future features

  • Provided as an SDV Vehicle Os feature.
  • Dynamic thermal derating.
  • Dynamic equalization.
  • Noise removal and cancelation.
  • 3D Sound Modulation.
  • Synthetic acoustic signals generation.
  • Audio transitions and effects.
  • Data flash emulated simple file table.

Future audio formats

Future supported architectures

  • TriCore TC4x, TC39x
  • RH850 U2B, U2C

Audio Playback & Modulation

Audio playback source

  • Playback from audio file or online audio stream (network-based or line-in-based).
  • Customized profiles for different vehicle variants, system modes, and user personalization.
  • Real-time audio playback for enhanced user experience.

Supported features

  • Audio amplitude, gain, and frequency modulation
  • Supports PCM and WAV file formats
  • Supports audio stream playback from AVB and TSN
  • Specific handling of horn sounds

Acoustic Vehicle Alert System

AVAS supported vehicles

  • Supports electric and hybrid vehicles.
  • Engine sound emulation at low speeds.
  • Parametric emulation based on vehicle state.

Supported features

  • Handling external loud (rear / front) speaker.
  • Handling reverse gear.
  • Supports engine cylinders and vehicle speed.
  • Custom OEM additional parameters.

Audio Mixer

Audio mixer features

  • Mixing audio files, network streams, and line-in streams.
  • Mixing of emotional sounds with high-priority signals.
  • Supports simple audio file table.

Supported features

  • Playback and mixing up to 10 audio files concurrently.
  • Playback and mixing up to 4 audio streams concurrently.
  • Adjustable mixing to support higher priority warnings.

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