applications – How to play CACHE Audio files ? How do I convert them to mp3 files?

I have a music streaming app that can download music. I checked the directory of the app in Internal Storage. It has got audio files for the songs I had downloaded but in CACHE format.
I would like to know how can I play those CACHE files on a different device say my PC? How can I convert CACHE audio to mp3 ?

I have tried changing the extension to mp3 (This method presently works with .xoht files of music) but here it make the audio corrupted.

I searched the net for conversion of CACHE to mp3 but have got a result on a site that converting CACHE files is not possible. SRC:

audio – Windows cannot verify the digital signature for the drivers required for this device code 52 error in Intel (R) SmartSound

When I looked for the audio device in device manager there was a yellow warning symbol on audiocontroller Intel(R) Smart Sound. My audio playback and recording do not work. There was an error like that.

Windows cannot verify the digital signature for the drivers required
for this device. A recent hardware or software change might have
installed a file that is signed incorrectly or damaged, or that might
be malicious software from an unknown source. (Code 52)

Device: Lenovo IdeaPad S340

Operating System: Windows 10 version 2004

windows 10 – Win 10 Dell Latitude 3400 – Audio Jack Headphone alone not detecting (Liinein is detected)

Laptop Model: Dell Latitude 3400

OS: win10 (last update installed on Mar 2021)

Till 2 days back, i was able to use my 3.5mm audio jack headset with my Dell Latitude 3400 laptop for audio. But today when i connect my 3.5mm audio jack, i am not able to see the headphone detected. Win10 is playing audio in built-in speaker of the laptop.

I tried,

  1. Uninstall/update Realtek Audio Driver,
  2. Validated Privacy settings for Microphone, to allow apps to access microphone,

Guide me in fixing the issue so i can use my headset for speaker & mic instead of built-in speaker/mic.

Note: My 3.5mm audio jack is working when i tested with my phone today.

macos – EvoCam (video camera software) did not capture audio for 2 weeks on Mac running Mavericks—way to find it?

I know it’s a longshot.

I have an old Mac Mini running Mavericks running EvoCam 4.2.6 (old software no longer available).

The Mac Mini is connected via WiFi to an Amcrest camera. The Mac Mini is not compatible with the built in mic on the Amcrest, so I have a USB microphone running from the Mac Mini. Video comes from the Amcrest and audio from the USB mic. It usually works fine.

It records in hour long increments and outputs to .mov files.

For some reason starting two weeks ago, the audio didn’t record even though I could see the system sound setting could detect audio from the microphone. Something on the software side messed up.
The videos are there but with no audio. It took a restart to get it to record audio to the files again from the EvoCam app.

The audio is important.

I’m wondering if there are any ideas as to where the audio might have gone–again I know longshot. It records to an external drive connected to the computer. I tried looking at hidden files and I can see a .Trashes folder, but it says I don’t have permission to open it.

Are there any other places scuttled audio could have gone?

audio – Where is ‘”?

audio – Where is ‘”? – Android Enthusiasts Stack Exchange

network – Facetime audio calls not working using iPhone

I have a Netgear Nighthawk MR60 mesh system with a WiFi router and one satellite. Since I installed it, I cannot make calls using my iPhone xs with either of my Mac computers. The window comes up telling me I’m using Facetime audio with my iPhone, but I immediately get a message in the window saying that the phone and the computer must be connected to the same WiFi network in order to complete the call. Repeated attempts at this have failed.

It looks like everything is set up on all Apple devices for this to work.

On my Nighthawk app, all 3 devices show up on my 5 GHz network.

This worked with the former WiFi router I had and replaced. It was not a mesh system. That router had the ability to connect to either the 2.5 GHz or the 5 GHz network manually. Apparently, the Nighthawk does not have the manual connection option.

I’ve tried logging out of and back into Facetime to no avail.

MacBook Pro (Retina, 13-inch, Early 2015) running macOS Catalina 10.15.7;
iMac (Retina 4K, 21.5 inch, Late 2015) running macOS Cataline 10.15.7;
iPhone XS Max IOS 14.4.2

On the Apple sight I can only find older similar questions – nothing recent except what I posted there.

Any help is welcome and appreciated.

settings – At what level of the android architecture can I find readable audio policy configuration files

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audio – How to tell if a laptop has integrated headphone jack with both mic input and sound output?

I have an Acer Aspire 5 laptop. On the side of the laptop, there is a 3.5mm jack. The icon next to the jack prints a headphone with a mic.

I tried plugging in an earpiece (with a TRRS plug) and I can hear stereo. But I don’t see how I can use its mic.

I opened Sound Settings and under Choose your input device, there is only 1 option of Microphone Array (Realtek(R) Audio). If this laptop has an integrated audio jack, should I be seeing an additional input device? Or does the laptop not detecting a mic?

synchronization – How to support text editing when the text has to be synchronized with fixed audio?

In my application, we record audio of people speaking, send this to a speech-to-text (STT) service, and present the text to the user for editing.

Simplifying a bit, the STT service returns results in the form of a long list of words with timings:

      "words": (
          "value": "Today",
          "from": 0.34,
          "to": 0.75,
          "confidence": 0.865
          "value": "is",
          "from": 0.76,
          "to": 0.91,
          "confidence": 0.923
          "value": "Friday",
          "from": 0.92,
          "to": 1.36,
          "confidence": 0.783


The from and to timings are offsets in seconds from the start of the recording, so in this example, the word “Today” starts at t=0.34s and ends at t=0.75s, and so on. (Confidence is a measure of the STT engine’s confidence that it’s right about the word, which I use elsewhere in the app.)

The timings are important, because I have a UI that knows where you are in the audio and indicates this with a mark in the text. You can play the audio out loud and the app moves the marker to keep the text location in sync, or, for any location in the text, when you hit play, it knows where to start playing.

So far so good.

The challenge I’ve got is how to handle it when the user edits text, because it would get out of sync with the timings. If you, say, delete the space between “Today” and “is”, now you have one word, not two. What should it’s “time” be?

I handle this particular case by just concatenating the times, but what should happen if you select from the middle of one word to the middle of another word in another paragraph and then paste a block of text? I can maintain a list of the words, but what should happen to the timings?

Is there a better way to organize my data structures to support text editing that can stay in sync with audio?

unix – How do I stream Linux audio to Mac computer?

unix – How do I stream Linux audio to Mac computer? – Ask Different

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