They cannot find out what mode is used for each of their streams. Applications have no awareness of the concept of an "audio processing mode". Applications can tag each of their streams with one of the 10 audio categories.Īpplications do not have the option to change the mapping between an audio category and a signal processing mode. navigation apps) (New category in Windows 10)īalls bouncing, car engine sounds, bullets, etc.Īs mentioned previously, audio categories (selected by applications) are mapped to audio modes (defined by drivers). In-game communication between users (New category in Windows 10) Movies, video with dialog (Replaces ForegroundOnlyMedia)ĭefault category for media playback (Replaces BackgroundCapableMedia) In Windows 10 there are nine audio stream categories. Applications can set the audio category, using any of the audio APIs, just after creating the audio stream. In order to inform the system about the usage of an audio stream, applications have the option to tag the stream with a specific audio stream category. The following diagram shows a system that supports multiple modes: If a particular mode is not supported by the driver, then Windows will use the next best matching mode. what types of APOs are installed as part of the driver) and inform the OS accordingly. Drivers define which signal processing modes they support (i.e. It is possible that not all modes might be available for a particular system. Signal Processing Mode Driver RequirementsĪudio device drivers need to support at least the Raw or Default mode. Music audio playback (default for most media streams) This mode defines the default audio processing. An application can request a raw stream that is completely untouched and perform its own signal processing. Raw mode specifies that there should not be any signal processing applied to the stream. The modes are summarized in the table shown below. It is recommended that IHVs/OEMs utilize the new modes to add audio effects that optimize the audio signal to provide the best user experience. OEMs and IHVs can determine which modes they want to implement. Windows defines seven audio signal processing modes. Available Signal Processing ModesĪudio categories (selected by applications) are mapped to audio modes (defined by drivers). M圜DS.Drivers declare the supported audio signal processing modes for each device. "1|How are you?" - start text to speech conversion with current selected narratorĮxample connection from C/C++ application:Ĭhar* sendCommand="0|C:\\music\\test.mp3" "0|C:\music\good.mp3" - start playing good.mp3 file "3|13|2.55"Ĭommand X=4 ( set sound fx ), Y - (1-4) - selected effect (0:disable)Ĭommand X=5 ( set sound volume ), Y - (0-100)Ĭommand X=6 ( enable VST effect ), Y - (string) - "disable", "configure", "VST name"Ĭommand X=7 ( music control ), Y - 0:pause 1:resumeĬommand X=8 ( activate profile ), Y - profile name X - numeric comand, Y-string/numeric valueĬommand X=0 ( start audio file ), Y - is file locationĬommand X=1 ( start text to speech ), Y - text to be convertedĬommand X=2 ( enable/disable Clownfish ), Y - 0/1Ĭommand X=3 ( set voice changer ), Y - (0-14) - selected voice (0:none)Ĭommand Custom pitch 3|13|Z - Z float pitch level (-15.0 to +15.0) ex. Sent command should be utf8 encoded string in this format "X|Y". You can control Clownfish by sending windows messages from your application( see Data Copy ) IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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