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Audio Compression Manager - Win32 apps | Microsoft Docs

    https://docs.microsoft.com/en-us/windows/win32/multimedia/audio-compression-manager
    This overview describes the services available in the audio compression manager (ACM) and explains the programming techniques used to access these services. About the Audio Compression Manager Using the Audio Compression Manager Audio Compression Manager Reference Recommended content Device Properties (Core Audio APIs) - Win32 apps

How the Audio Compression Manager Works - Win32 …

    https://docs.microsoft.com/en-us/windows/win32/multimedia/how-the-audio-compression-manager-works
    This allows the ACM to intercept device-open calls. After a call has been intercepted, the ACM can perform a variety of tasks to process the audio data, such as inserting an external compressor or decompressor into the sequence. The ACM manages the following types of drivers: Compressor and decompressor (codec) drivers; Format converter drivers

Audio Compression Manager Functions ... - …

    https://docs.microsoft.com/en-us/windows/win32/multimedia/audio-compression-manager-functions-and-structures
    Function names (with two exceptions) are of the form acmGroupFunction, where Group designates the ACM category (such as "Driver," "Format," "FormatTag," "Filter," "FilterTag," or "Stream"), and Function describes the action performed by the function. The functions in the filter and format groups are very similar.

Audio Compression Manager Reference - …

    https://docs.microsoft.com/en-us/windows/win32/multimedia/audio-compression-manager-reference
    Audio Compression Manager Reference. Skip to main content. This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. ... Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services ...

windows - ACM - Audio Compression Manager - Stack …

    https://stackoverflow.com/questions/483663/acm-audio-compression-manager
    I don't agree with the statement "[MSDN] explains ACM usage in great detail". There are actually just a few examples, almost no documentation on functions and macros. Many functions are "documented" by just a single sentence which doesn't help anyone. The same applies to Microsoft's video compression manager.

About the Video Compression Manager - …

    https://docs.microsoft.com/en-us/windows/win32/multimedia/about-the-video-compression-manager
    The audio compression manager (ACM) provides system-level support for audio compression and decompression drivers. For a description of the audio compression services, see Audio Compression Manager .

Microsoft Audio Compression Manager API - MultimediaWiki

    https://wiki.multimedia.cx/index.php?title=Microsoft_Audio_Compression_Manager_API
    Microsoft's Audio Compression Manager (ACM) API is the audio analog of their Video for Windows (VfW) API. An ACM-compliant codec DLL exports a single function named DriverProc that takes a message and a few other parameters. The messages specify an action that the decoder is to perform. The DriverProc usually consists of a switch statement.

ACM file - The easiest way to open .acm files in 2022 ...

    https://datatypes.net/open-acm-files
    The ACM application files are related to Microsoft Audio Compression Manager. ACM file is a Microsoft Audio Compression Manager Codec. Application: Microsoft Audio Compression Manager. Category: Application files. Mime-type: application/octet-stream. Magic:

Audio Compression Manager acmStreamClose problem

    https://social.msdn.microsoft.com/Forums/en-US/f822808f-0097-4758-8aac-fe00a477fe52/audio-compression-manager-acmstreamclose-problem
    Hi. I'm using the Audio Compression Manager (ACM) to convert G729 audio to PCM. I've a G729 license from VoiceAge. Sometimes while under heavy load, meaning opening, converting and closing the converter often, the thread becomes locked in acmStreamClose. I believe my implementation is correct because it is normally working but every once in a ...

Audio Compression Manager acmStreamClose problem

    https://social.msdn.microsoft.com/Forums/en-US/a614b08d-6918-4e72-b118-69739b71b148/audio-compression-manager-acmstreamclose-problem
    Hi. I'm using the Audio Compression Manager (ACM) to convert G729 audio to PCM. I've a G729 license from VoiceAge. Sometimes while under heavy load, meaning opening, converting and closing the converter often, the thread becomes locked in acmStreamClose.

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