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AP 7.5.6 - lost ability to record system sound

#1

I have been using AP to successfully record music software tutorials and all of a sudden it has stopped recording system sound. I can hear the sound on my audio system; I have its output selected as input to AP; but when I try to record it the track in AP is blank. Track info for the audio track in AP shows track file name greyed out and 00:00:00 time.

It was working then literally stopped working overnight. Perhaps a Windows 10 update took place and messed something up?

I have tried changing all the audio settings in Windows, the settings in AP and even reloaded the audio driver, rebooted, etc. Still no system sound is getting into AP. The microphone input - from the same audio I/O device - DOES work and records in AP.

Here’s the latest log info. I am using an M-Audio 24-bit audio I/O device for sound.

================================
2019-05-09 22:51:36: ActivePresenter 7.5.6 (Release Build: 2019.03.28) started
OS: Windows 10 (build 17763), 64-bit edition. Version: 10.0 - 64 bit
CPU Count: 4
Hostname: FamilyPC. Memory: 8,108 MB. Available: 5,341 MB. Memory Load: 34%
Project Location: C:\Users\Us\Documents\ActivePresenter
Disk Space: 940,864 MB (Free: 365,984 MB)
2019-05-09 22:51:36: TempDir: C:\Users\Us\AppData\Roaming\ActivePresenter\temp
2019-05-09 22:51:38: PrepareRibbonBar: 1026ms
2019-05-09 22:51:41: flt sample format is not supported, s16 will be used
2019-05-09 22:51:41: RLMedia: Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
2019-05-09 22:51:41: Preparing to record audio from: Speakers (M-Audio M-Track Plus). Channel: 2. Sample rate: 48000. Sample Format: 8
2019-05-09 22:52:05: Start capturing. Mode: Full motion. Method: 0. Capture Size: (800, 600)
2019-05-09 22:52:05: Video Codec: h264_mf. Expecting FPS: 30.00
2019-05-09 22:52:05: Video will be recorded to: C:\Users\Us\Documents\ActivePresenter.ActivePresenterCachedProjects\Untitled1_tempdir\video_20190509_22-52-05.mkv
2019-05-09 22:52:05: bgr24 pixel format is not supported, nv12 will be used
2019-05-09 22:52:05: RLMedia: MFT name: ‘H264 Encoder MFT’
2019-05-09 22:52:05: RLMedia: MF Setting Framerate: 30 / 1
2019-05-09 22:52:05: RLMedia: MF Setting Quality: 100
2019-05-09 22:52:05: RLMedia: MF Setting GOPSize: 30
2019-05-09 22:52:05: RLMedia: MF Setting Framerate: 30 / 1
2019-05-09 22:52:05: RLMedia: MF Setting Quality: 100
2019-05-09 22:52:05: RLMedia: MF Setting GOPSize: 30
2019-05-09 22:52:05: RLMedia: Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
2019-05-09 22:52:05: flt sample format is not supported, s16 will be used
2019-05-09 22:52:05: RLMedia: Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
2019-05-09 22:52:05: Audio 2 will be recorded to: C:\Users\Us\Documents\ActivePresenter.ActivePresenterCachedProjects\Untitled1_tempdir\audio_20190509_22-52-05.wav
2019-05-09 22:52:05: Preparing to record audio from: Speakers (M-Audio M-Track Plus). Channel: 2. Sample rate: 48000. Sample Format: 8
2019-05-09 22:52:09: Waiting to start in 3431
2019-05-09 22:52:19: Stop video recording. Frames recorded: 298. Dropped: 0. Duration: 9889. Average FPS: 30.03
2019-05-09 22:52:19: Recorded video data size: 981 KB
2019-05-09 22:52:19: AddVideo2Slide: Time spend: 22 ms
2019-05-09 22:52:19: ProcessRecordedAudio: duration (ms) 9915.792000
2019-05-09 22:52:22: RLMedia: Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
2019-05-09 22:52:22: Audio Decoding Stats: Process 15.000000, Wait 6.000000
2019-05-09 22:52:22: Audio Encoding Stats: Process 10.000000, Wait 11.000000
2019-05-09 22:52:22: RLMedia: Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
2019-05-09 22:52:22: Audio Decoding Stats: Process 11.000000, Wait 16.000000
2019-05-09 22:52:22: Audio Encoding Stats: Process 24.000000, Wait 5.000000
2019-05-09 22:52:28: Preparing to play audio to: Speakers (M-Audio M-Track Plus). Channel: 2. Sample rate: 48000. Sample Format: 8
2019-05-09 22:52:40: ActivePresenter 7.5.6 (Release Build: 2019.03.28) shut down

#2

Never mind - I solved this.

I was using the ASIO driver for my sound device which, by design, bypasses the Windows core processes. That was making the system sound invisible to ActivePresenter.

I changed the audio driver to a Windows system sound driver and now it works.

3 Likes
(Nam Nguyen) #3

Hi,

It sounds good. FYI, ActivePresenter can only record system sound in Windows system that uses WASAPI audio driver.

Regards,