Audio Decoder


Decodes MP3 and AAC audio streams with the ability to switch dynamically between streams.

Overview

AVObjects Audio Decoder DirectShow Filter is a high-performance DirectShow decoder for a variety of audio formats. The filter is capable of switching seamlessly between sources that are encoded by different audio standards - without the need to stop the graph and reconnect.

Supported Audio Encoding Formats

  • MPEG-1/2 Audio Layer 1 (MP1)
  • MPEG-1/2 Audio Layer 2 (MP2)
  • MPEG-1/2 Audio Layer 3 (MP3)
  • Advanced Audio Coding (AAC)
  • DVD LPCM Audio

Features

  • Highly optimized for the Intel processor family.
  • Seamless dynamic switching between audio streams of all supported types.

Supported Audio Standards

  • ISO/IEC 11172-3: 1993 (E)
  • ISO/IEC 13818-3:1998 (E)
  • ISO/IEC 13818-7:2004 (E)
  • ISO/IEC 14496-3:2005

Technical Specs

Filter Interfaces:IBaseFilter, IPersistStream, ISpecifyPropertyPages, IMLAudioDecoder
Input Pin Media TypesMEDIATYPE_Audio
MEDIASUBTYPE_MPEG1AudioPayload, MEDIASUBTYPE_MPEG2_AUDIO
FORMAT_WaveFormatEx (WAVEFORMATEX, WAVEFORMATEXTENSIBLE)
{WAVE_FORMAT_MPEGLAYER3-0000-0010-8000-00AA00389B71}
FORMAT_WaveFormatEx (MPEGLAYER3WAVEFORMAT)
FORMAT_WaveFormatEx (WAVEFORMATEX, WAVEFORMATEXTENSIBLE)
MEDIASUBTYPE_AAC, {'MP4A'-0000-0010-8000-00AA00389B71}
FORMAT_WaveFormatEx (WAVEFORMATEX, WAVEFORMATEXTENSIBLE)
MEDIASUBTYPE_DVD_LPCM_AUDIO
FORMAT_WaveFormatEx (WAVEFORMATEX, WAVEFORMATEXTENSIBLE)
Input Pin InterfacesIMemInputPin, IPin, IQualityControl
Output Pin Media TypesMEDIATYPE_Audio, MEDIASUBTYPE_PCM, FORMAT_WaveFormatEx (WAVEFORMATEX, WAVEFORMATEXTENSIBLE)
Output Pin InterfacesIMediaSeeking, IPin, IQualityControl
MeritMERIT_NORMAL
Filter CategoriesCLSID_LegacyAmFilterCategory, CLSID_AVObjectsCategory

Related Products

  • MPEG-2 Decoder - a professional DirectShow filter for decoding MPEG-2 video streams.
  • Audio Effects - provides access to DMO plugins via a DirectShow filter.
  • Audio Mixer - DirectShow filter for real-time mixing of multiple audio streams.
  • Audio Level - provides support for level processing of an audio stream. Supports VU meter, audio amplifier, event triggers, auto gain and volume controls.

See Also

Action Items

Licensing


If you are interested in licensing this product please contact us through the link below.

Prices

Single Application License750 EUR

Single Developer License1290 EUR

Team License1870 EUR