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  Recent Topics

  Subject Forum Topic Starter Replies Latest Post
Clipping audible when lossy encoding? General Audio halb27 19 halb27
Non-expert thoughts on an hypotetical "near-lossless" encoding. Scientific Discussion radorn 4 Thad E Ginathom
Why can't CUETools verify music purchased via Qobuz General Audio pmattke93 4 Wombat
DSP and room treatments vs speaker responce when making buying decisions Scientific Discussion BearcatSandor 15 emo_hp
Windows Audio Calibration Scientific Discussion emo_hp 0 emo_hp
Convert mp3 from 320k to 128k and preserve cover art? MP3 - General Arrivest 5 includemeout
Electrical panel relocation - potential source of noise for audio system? Audio Hardware jbhaider 4 Arnold B. Krueger
BBC Radio 3 lossless stream trial General Audio 2Bdecided 10 probedb
Three new Opus releases Opus jmvalin 4 OrthographicCube
Do we "need" those <20Hz subsonic frequencies for high-fidelity audio? General Audio BearcatSandor 20 Arnold B. Krueger
Opusenc's built-in resampler Opus ziemek.z 42 ziemek.z
Two questions about missing samples CD Hardware/Software dl7749 0 dl7749
A few ideas and questions about audio mediums that have been bugging me. Scientific Discussion Klimis 17 Chibisteven
Personal Listening Test of Experimental Modified Opus Encoders at 36, 48 kbps Listening Tests Kamedo2 18 IgorC
Audio (fingerprinting) duplicate finders - do they really all suck big time? General Audio Porcus 11 Porcus

xxAdobe showcases new speech synthesis app

05 November, 2016, 09:40:08 PM by shakey_snake | Views: 3189 | Comments: 2

"Designed to be a state-of-the-art audio editing application VoCO can also generate new words using a speaker’s recorded voice. Apparently the software can understand the quality of a persons voice and replicate it from only 20min of recorded material."

http://www.creativebloq.com/news/adobe-prototypes-photoshop-for-audio

xxOpus 1.2-alpha is out

03 November, 2016, 04:15:59 PM by jmvalin | Views: 2924 | Comments: 2

We just released Opus 1.2-alpha. It's an alpha release for the upcoming Opus 1.2. It comes with many improvements, including:
  • Speech quality improvements especially in the 12-20 kbit/s range
  • Improved VBR encoding for hybrid mode
  • More aggressive use of wider speech bandwidth, including fullband speech starting at 14 kbit/s
  • Music quality improvements in the 32-48 kbit/s range
  • Generic and SSE CELT optimizations
  • Support for directly encoding packets up to 120 ms
  • DTX support for CELT mode
  • SILK CBR improvements
  • Support for all of the fixes in draft-ietf-codec-opus-update-04 (the mono downmix and the folding fixes need --enable-update-draft)
  • Many bug fixes, including integer overflows discovered through fuzzing (no security implications)

You can get it here. Please give it a try and report any issues.

cliplossyflac v1.2 released (uses lossyWAV and flac)

27 September, 2016, 11:33:48 AM by tycho | Views: 4235 | Comments: 13

lossyflac v1.2 converts between WAV/FLAC and lossy.flac/lwcdf.flac
Resulting lossy.flac and flac files store tags and picture art from input.

Usage: lossyflac inputfile... [lossywav-options] [@ flac-options]

This tool makes it easy to convert back and forth between FLAC and lossy.flac + lwcdf.flac files, while maintaining tags and picture art. Required tools are flac.exe, metaflac.exe and lossyWAV.exe somewhere in %PATH%. Un-comment the line: REM set "dir=%~dp0" to use tools placed in the same folder as lossyflac.cmd instead of PATH.

Some examples
1) Convert all flac and wav files in current folder to lossy.flac files (keeps flac tags and art).
  lossyflac *.flac *.wav -o outdir -s o @ -6

2) Convert all flacs in folder into tagged lossy.flac and correction files (lwcdf.flac)
  lossyflac *.flac -o lfdir -C -f

3) Reconstruct (merge) all the original tagged flac files from lossy.flac and correction flac files.
  lossyflac lfdir\*.lossy.flac -M -o flacdir

Changes
1.2
- fixed argument parsing of - for stream in.
- option -o outname corrected. Will now work with dBpoweramp and others.
- temporary files now in %TEMP% folder, not output.
1.1
- fixed handling of special characters in file names.