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iphone - Setting the input volume on an audio queue ...
https://stackoverflow.com/questions/4462226/setting-the-input-volume-on-an-audio-queue
AudioQueueParameterValue val = f; XThrowIfError(AudioQueueSetParameter(mQueue, kAudioQueueParam_Volume, val), "set queue volume"); Then I get the following error: kAudioQueueErr_InvalidParameter. Which Apple's documentation says it means: "The specified parameter ID is invalid". But if I try the same exact …
Audio Queue Services - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_queue_services
This document describes Audio Queue Services, a C programming interface in the Audio Toolbox framework, which is part of Core Audio. An audio queue is a software object you use for recording or playing audio. An audio queue does the work of: Connecting to audio hardware. Managing memory. Employing codecs, as needed, for compressed audio formats
Using AudioQueue to play PCM audio stream have low …
https://stackoverflow.com/questions/32621505/using-audioqueue-to-play-pcm-audio-stream-have-low-volume
The volume is low when using the iPhone's speaker; I have even turned the system volume up to maximum. However, the volume is fine when I am using the earphones. I inserted the data into the queue like this: memcpy (mBuffers [mIndex]->mAudioData, pcmData, mBufferByteSize); mBuffers [mIndex]->mAudioDataByteSize = mBufferByteSize; mBuffers …
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
Such changes take effect when the audio queue buffer begins playing. In both cases, level changes for an audio queue remain in effect until you change them again. Indicating Audio Queue Playback Level. You can obtain the current playback level from an audio queue object by querying its kAudioQueueProperty_CurrentLevelMeterDB property.
Python: module pymedia.audio.sound
http://pymedia.org/docs/pymedia.audio.sound.html
Allows to control sound device: - Place sound chunks into the sound queue - Get playback parameters( volume, position etc ) - Control the playback( stop, pause, play ) Here is the simple player for a pcm file ( you may add your wav playback by parsing the header ): import pymedia.audio.sound as sound, time snd1= sound.Output( 44100, 2, sound.AFMT_S16_LE )
pygame.mixer.music — pygame v2.1.1 documentation
http://www.pygame.org/docs/ref/music.html
get the music volume: ... This will load a sound file and queue it. A queued sound file will begin as soon as the current sound naturally ends. Only one sound can be queued at a time. Queuing a new sound while another sound is queued will result in the new sound becoming the queued sound. Also, if the current sound is ever stopped or changed ...
mixer - Pygame Documentation - Roanoke College
http://cs.roanoke.edu/Fall2013/CPSC120A/pygame-1.9.1-docs-html/ref/mixer.html
get the playback volume Sound.get_volume(): return value. Return a value from 0.0 to 1.0 representing the volume for this Sound. Sound.get_num_channels. count how many times this Sound is playing Sound.get_num_channels(): return count. Return the number of active channels this sound is playing on. Sound.get_length. get the length of the Sound Sound.get_length(): …
SoundCue
http://www.soundcueapp.com/
Instant playback - Tap a cue and hear your track. It's that simple. After a track is finished, SoundCue stops playback and waits for your next tap. Individual cue volume adjustments - Each cue button has it's own volume fader. Great for leveling out your tracks for consistent playback.
Volume Booster - Chrome Web Store
https://chrome.google.com/webstore/detail/volume-booster/ejkiikneibegknkgimmihdpcbcedgmpo
When volume limits are exceeded, as possible with this extension, speakers can fail. I've used this extension for years without any speaker damage by limiting the increase of volume to just below a point where sound distortion is heard. Running the volume up to maximum on this extension will damage your speakers over time or sooner.
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