LAV Filter Audio Settings

download codecThis is a description of the LAV Filter Audio Settings. You can see the options in the graphic below. I have added notes for each option and what each settings does. Likewise try different options and see what best suits your program.

LAV Filter Audio Settings

In the context of audio, “DRC” stands for Dynamic Range Compression. Dynamic range refers to the difference between the quietest and loudest parts of an audio signal. Dynamic range compression is a technique used in audio processing to reduce this difference, effectively making the audio signal more consistent in volume. Likewise you can download the lav filters on here as well. Likewise see also the AC3 Filter as well as the alternatives to Haali Media Splitter.


Likewise Bitstreaming refers to the process of transferring digital audio or video data. Firstly from one device to another without decoding or altering it. Secondly in the context of audio, it means sending the compressed audio data directly to a receiver or decoder, which then decodes and processes the audio for playback.

  • Dolby AC-3 (Audio Codec 3): AC-3, also known as Dolby Digital, is a widely used audio codec for DVD, Blu-ray, broadcast, and streaming media.
  • Dolby E-AC3 (Enhanced AC-3): E-AC3, or Dolby Digital Plus, is an enhanced version of AC-3, offering higher audio quality and more channels.
  • Dolby TrueHD: TrueHD is a lossless audio codec developed by Dolby Laboratories.
  • DTS (Digital Theater Systems): DTS is a series of multichannel audio technologies developed by DTS, Inc.
    Like Dolby Digital, DTS is a lossy codec commonly used for DVD, Blu-ray, broadcast, and streaming media.
See also  Media Player Classic + External LAV Filters


  • Auto A/V Sync, or Automatic Audio/Video Synchronization, is a feature in LAV Filters that ensures that the audio and video components of a multimedia file are synchronized during playback.
  • Convert Output to Standard Channel Outputs: This feature in LAV Filters allows you to convert audio output to standard channel configurations.
  • Mono-to-Stereo expansion is a feature that converts mono audio signals into stereo format.
  • Expand 6.1 to 7.1 and Use Legacy 5.1. These features involve expanding audio from one channel configuration to another.

LAV Filter Audio SettingsAudio Delay

In LAV Filters. The “Enable Audio Delay” feature allows you to adjust the timing of the audio. This relative to the video during playback. This feature is useful in scenarios where there is an audio delay or synchronization issue. This is commonly known as “lip-sync” problems.

Output Formats

Likewise in the context of LAV Filters. Selecting “integer” as the audio output generally means that audio data is processed and output using integer-based PCM (Pulse-Code Modulation) formats. These are 16-bit, 24-bit, or 32-bit integer PCM. These formats maintain the integrity of the audio data. Lastly this by representing samples as integers, without any loss of precision due to rounding or quantization errors. Lastly also see the madVR as well as the AC-3 ACM Codec.