What is Reddit's opinion of RecForge II - Audio Recorder?

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>Can anyone recommend a good app that will allow me to check and set levels and record from a single mic in stereo?

It will never be a stereo recording, even if it's in two channels.

Recforge has pretty good recording controls on android devices (assuming the Samsung is android).
https://play.google.com/store/apps/details?id=dje073.android.modernrecforge

Try RecForge II Pro, it will allow you to:

*disable AGC

*adjust manual gain

*select external mic to use for recording

*select codec

I don't remember the cost, but it was pretty cheap.

Yeah, older models are doomed, but an easy solution for you would be just using your phone with a mic! That's what I used to do with my professional camera. Whenever I would record multiple people talking, I would download an app (https://play.google.com/store/apps/details?id=dje073.android.modernrecforge) to their phones and put cheap lapel mics (the ones on ebay for a few bucks do wonders with additional audio editing). Here's an example of what I filmed using that method: https://www.youtube.com/watch?v=EWaVT0njmBE

Anyway, keep me posted if you need some extra help figuring this out! :)

I used to use RecForge II on a Galaxy S4 for stereo recording. It may work with the S5.

Recforge II ( Play store ) is a good one with a built in file manager

This looks like it should do what you need.

https://play.google.com/store/apps/details?id=dje073.android.modernrecforge

What about this one? https://play.google.com/store/apps/details?id=dje073.android.modernrecforge&hl=en

I will suggest you to use good third party apps. There are paid apps,too. That will help you. For example Recforge 2.

Some apps for example Dictadroid & PCM Recorder can record untill storage runs out.( I don't know if in-built audio recorder app can do that ) If you record audio in this settings. It will use 10-11 MB/ minute. ( MP3 320kbps uses 6-7 MB/minute)

If I use Sony's Audio recorder, with Superior quality & stereo recording. It uses 11 MB/minute. (660 MB/hour). File info from sony's recorder

So, I think you will be able to record at least 16-19 hours of recording with 16 GB card.

Android supports vorbis, opus, ogg, aac, mp3, among many others, VLC is able to handle them all, just no recording. I have an open source one that records in ogg, but I found another that records in AAC and has many many other high end features, just not open source. what are these files for? Why do they have to be in ogg? And do you need it to be open source, a lot of open source resources are out for this type of project, with the rest of the work required to iron out a high performance audio app I don't see why anyone would release refined source code, when it's already based on an open source project, and there's other open source examples etc that could be just as easily used, honestly if you can't find an open source app, find one with an active trust worthy developer that is keeping the app updated with the newest libraries and updates to the codec, and takes advantage of new android features, etc, I don't use recorder apps much so I can't comment very heavily on the subject but I would recommend using either of these or even recforge II which also has an active developer and I believe it may have a forum but I've never looked, imo it's my favorite, I've just never used it. And if it's security you're concerned about privacy you could use lucky patcher on the app

*Mp3 & ogg

http://forum.xda-developers.com/showthread.php?t=1752011

• Gain factor: control sound louder or softer

• Skip silence: control decibel level to skip sound recorded

• Noise filtration

• Echo Removal

• Supported formats: wav, aac, 3gpp, amr, mp3, mp4

• Sample rate: 48kHz, 44kHz, 16kHz, 8kHz

• Channel: Stereo, Mono

• Hide recordings from music players

• Homescreen widgets: 1×1, 2×1, 2×2

• Auto-upload to Google Drive

http://www.xda-developers.com/recordr-the-advanced-sound-recorder/

Main features :

• Highly customizable recorder (codec, samplerate, bitrate, mono / stereo)

• Use external microphone (RODE, iRig, ...)

• Disable AGC (Automatic Gain Control)

• Manual gain adjustment

• Skip silences

• Schedule recording

• extract sound stream from videos

• Music speed changer : Adjust tempo, pitch, playing rate

• Loop on playing selection

Recording :

• Record in mp3, m4a, ogg, wma, opus, flac and wav codec

• Real-time monitoring (live audio spectrum analyzer)

• Use front, rear or external microphone (TRRS adapter, RODE SC6, iRig Mic, iRig Cast, iRig Pre or RODE smartLav)

• Skip silences

• Disable AGC (Automatic Gain Control) for better quality

• Schedule a date to start the recorder

• Record in background

• Control the recorder from the notification bar

Playing :

• Loop for memorization, actor lines, bible memory, recitations, ...

• Visualize stereo audio signal (audio spectrum analyzer)

• Music speed changer : Time stretching with playing rate, pitch and tempo adjustment (to practice an instrument or transcribe lecture, ...)

Editing :

• Convert your dictation to mp3, m4a, ogg, wma, opus, flac and wav with all possible settings : samplerate, bitrate, mono / stereo, ...

• Extract sound stream from video

• Edit your recordings (cut or crop to keep only interesting parts – concatenate or merge to make basic arrangements) for ringtones, commentary, ...

• Tag your recording and edit metadata

• Change music speed (tempo, pitch and rate) and save as a new file

Others :

• Play, record, pause / resume, loop, convert, edit, concatenate, merge, time strecth, adjust pitch, tempo and playing rate

• Send your dictation to cloud storage services or share your recordings with your friends by mail, SoundCloud, WhatsApp ...

• Manage and organize your files with folders (rename, delete, copy, move)

• Sort recordings by date, name and size

• Save sounds to android media library

• 4 widgets (one click recorder)

• Material design UI

Supported audio formats :

• samplerate from 8 to 48kHz

• encoding codec : mp3, m4a, ogg, wma, opus, flac and wav

• decoding codec : mp3, ogg, wav, wma, flac, opus, m4a, m2a, mp2, aac, m4v, mp4, mka, mkv, ac3, eac3, amr, 3gp, 3g2, avi, mov, asf, ogv, .wmv, .flv, .f4v, .webm

• bitrate from 32 to 320 kbps

• mono / mono x2 / stereo (cf FAQ)

• 16bits

https://play.google.com/store/apps/details?id=dje073.android.modernrecforge

Free version allows 3 minute long recordings only, unless in wav format which it allows full use of for free in the free version.

I know you were really hoping for Foss but this is all I could find on Android, perhaps someone else has better insight

Edit:formatting