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    In this guide, we will identify some possible causes that might trigger codec tests and then we will suggest some possible fixes that you can try to solve this problem. HEVC/Ch. 265H.264.MPEG4. MPEG-4 is gaining another very popular codec for virtual streaming, although it has fallen out of favor compared to H.Divx.MP4.AVERAGE.MOV (fast time)FLV (flash)

    source Dates formats Debit types Examples listener Best (kbps) codecs musical result Comments ff123 2001 several times ~128
    • MP3: Lame 3.89beta 134 –abr -h –nspsytune – athtype 2 –lowpass 16 – ns-bass -8
    • MP3: Xing in AudioCatalyst 2.1 128 kbps, treble off, fast stereo off.
    • AAC: Liquifier 5 pro.0.Beta 6 2 Build 24 Streaming 128, EQ disabled, dynamics disabled, dual mono programs disabled, audio bandwidth changed to your current program, set to 17995 Hz.
    • MPC: translate mppenc.exe 1.7.9c -radio -ltq_gain 10 -tmn -nmt fourteen 4.8
    • WMAv8: Windows Media Player 7.1 (version 7.01.00.3055); Wmadmoe.dll version 8.0.0.0371 Kbps
    • Ogg 128 Vorbis: Oggdrop RC2 for Windows 32 128 kbps
    1 16 Musepack and AAC
    ff123 October 2001 – January 2002 several times ~128
    • MP3: Lame 3.89beta 134 –abr -h –nspsytune–athtype ii –ns-bass -8
    • MP3: Xing in AudioCatalyst 2.1 128 kbps, treble off, single stereo off.
    • AAC: Liquifier 5 pro.0.Beta 32, build 24 Streaming 128, EQ disabled, speakera disabled, Dual Mono extension disabled, audio bandwidth replaced by current program, set to 17995 Hz.
    • MPC: mppenc.exe Art 1.7.9c -radio -ltq_gain 10 -tmn -nmt 9 4.8
    • WMAv8: Windows Media Player 7.1 (version 7.01.00.3055); Wmadmoe.dll version 8.0.0.0371 128 kbps
    • Vorbis: **Oggdrop before RC3 for Windows 32; from CVS (26.10.01) 128 kbps
    Miscellaneous
    3 25-28 Musepack
    Vorbis
    ff123 2002 or July several times ~64
    • Ogg Vorbis 1.0 – b 64 – supported
    • Ogg Vorbis 1.0 -q 0
    • MMJB 7.2 64
    • WMA8 mp3PRO at 64kbps (using WMP 7.1 for encoding)
    • QuickTime 6.MPEG-4 0 AAC Low complexity at 64 kbps
    Miscellaneous
    12 24-41 mp3PRO Two flavors of Vorbis took second place. Roberto June Communication maintained 128 in love Central Bank of the Russian Federation 2003
    • Psytel AAC-enc 2.15 -br 128
    • Ahead/Nero 5.5.10.35 CBR 128 kbps High Quality
    • Sorenson Squeeze 3.5 (FhG Pro), QuickTime, 128 kbps
    • Apple 6.3 128 kbps (Apple/Dolby), above average quality
    • FAAC 1.17b -a (6464 kbps per channel, ABR)
    Miscellaneous
    10 11-18 QuickTime
    Roberto Amorim July 2003 several times ~128
    • 128kbps Apple QuickTime 6.3 MP4 High Quality Encoder
    • LAME MP3 encoder 3.90.3 –alt-preset 128
    • Musepack 1.14 — 4 Vorbis –xlevel
    • ogg post-1.0 CVS -l 4.25
    • Windows Media V9 Audio PRO, VBR 2 Controlled Bitrate, 128kbps Passthrough
    Miscellaneous
    12 14-24 Musepack AAC, WMA and Vorbis tied for second place Roberto Amorim September 2003 several times ~64
    • Ahead/Nero 6.0.0.15 Profile HE AAC vbr Streaming :: Medium, high quality
    • Ogg Vorbis post-1.0 CVS -q 0
    • mp3PRO (Individual listening to Adobe.0) VBR, quality 40, current codec, M/S and IS support, consolidation option, no CRC
    • Real Audio (by Gecko Real Producer 9.0.1) 64 kbps
    • Windows Media Audio v9 VBR 6 50 Quality
    • quicktime.3 AAC LC 64 kbps, best quality
    Miscellaneous
    12 30-43 Nero
    HE-AAC This test showed that listeners liked 128kbps LAME-encoded MP3 audio the most across all codecs tested above 64kbps with over 99% confidence:

    “No other codec delivers [sic] the same quality marketing hype as MP3 at half the bitrate.”

    Roberto Amorim

    January 2004 MP3 ~128

    • LAME encoder 3.95 128
    • FhG is the default MP3 codec resulting from Adobe Audition 1.0 VBR, quality 39, “Currently Best” codec.
    • Apple iTunes 4.2 MP, 3112 kbps, VBR, Best Workmanship, Normal Stereo, Smart Coding
    • GOGO-no-coda 3.-b 12 128 back -a -q 0
    • Audioactive Encoder 2.04 128kbps High Quality
    • Xing MP3 Encoder 1.5 VBR normal quality
    Miscellaneous
    12 11-22 LAM The author felt that using a larger, outdated version of the Xing encoder and sub-optimal settings for iTunes could have seriously affected the results. Roberto February Communication maintained ~128
    • Forward/Nero Amorim 2004 AAC-enc v 2.6.2.-internet manual 0, high quality, LC
    • Apple iTunes 4.2 (Apple/QuickTime) 128 kbps
    • Compact! 1.2beta3 VBR (zplane/hhi) 7, high quality, LC
    • FAAC 1.23.5 -q 115
    • Real Producer 10 beta (encoding technologies) 128 kbps
    Miscellaneous
    12

    19-29 iTunes The open source company FAAC has greatly improved the codec since testing over the past few years. Roberto Amorim May 2004 several times ~128

    • LAME 3.96 -V5 Encoder – Athaa 1 Sensitivity
    • Apple iTunes 4.2 AAC 128 kbps
    • Configuring Ogg Vorbis aoTuV b2 -q 4.35
    • Musepack 1.14b – quality 4.15 – xlevel
    • Sony Atrac3 132 kbps
    • Standard Microsoft WMA9 format. Bitrate VBR 128 kbps
    Miscellaneous 18 12-27 aoTuV (Vorbis) and Musepack
    Roberto Amorim June 2004 several times encoder 32 kbr
    • box 3.96 -b 32
    • Nero Ahead HE AAC+PS Kbps 32 CBR High Quality
    • Ogg Vorbis post-1.0.1CVS –managed -b 24 resampled with SSRC
    • Real Audio 32 kbps from Airwaves music codec in Producer Helix 10.
    • QDesign Music Codec 2 Pro 24kbps to 32kHz quality mode
    • Microsoft WMA9 standard 32kbps @ 32kHz
    • mp3PRO 24kbps @ 32kHz in Adobe Audition 1.5
    Miscellaneous 18 47-77 Nero
    HE-AAC
    HydrogenAudio “guruboolez” User, July 2004 several times ~175
    • MPC: musepack – standard
    • MP3: LAME 3.97 alpha-V 3; -V 2
    • Ogg Vorbis: -q megamix 6.00; -q 6.99; -q 5.50
    Classic 18
    1 Musepack
    HydrogenAudio working “guruboolez” August 2005 several times ~180
    • AAC: Faac 1.24.1. Release date: 2004 (?) Completion phase. Parameter: -q175.
    • AAC: Nero Digital aacenc32 v.3.2.0.15. Release date: June 2004 Parameter: -streaming (encoder high/default).
    • MP3: LAME 3.97 alpha 11. Release date: July 2004 Setting: -V2 – vbr-new
    • MPC: mppenc 1.15 V Release date: March 2005 Option: –quality 5
    • Ogg Vorbis: aoTuV Beta 4 based on version 1.1. Issue date: July 2005 Parameter: -q6.00
    Classic 18
    1 aoTuV (Vorbis) The author looks back at the major inventions of Vorbis encoding since its pre-test (above):
    codec testing

    “Thanks to [creator of aoTuV] Aoyumi, Vorbis now offers premium audio for 180 kbps (and classical music) encodings.”

    gURuBoOleZZ (in French) August 2005 several times ~96
    • AAC-LC: 4 iTunes.9 / QuickTime 7. 10 CBR 96
    • MP3: BLADE 3.97 alpha 11 99
    • MPC: –abr mppenc 1.14 –xlevel – third grade (or – inch)
    • Ogg Vorbis: aoTuV / LAUNCH new beta based on 1 svn.1.1 -q2.00
    • WMA Standard: 9 wma.1 CBR 96
    Classic, other 150 workbenches, 35 different
    1 aoTuV and limited AAC (classic), aoTuV (various) The author chose each interactionAn existing encoder in a real “Darwinian phase” separated by several encoders. For example, LAME has already been selected as the representative MP3 encoder because it greatly outperforms the other four MP3 encoders in the subset using the entire corpus sample.

    What are codecs used for?

    Codec, short for coder-decoder or compression-decompression, is a standard used in compressing and decompressing digital media, including audio and video, which used to consume significant bandwidth.

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    Dicas De Solução De Problemas Para Testes De Codec
    Tipps Zur Fehlerbehebung Bei Codec-Tests
    Consejos Para Solucionar Problemas De Pruebas De Códec
    코덱 테스트를 위한 문제 해결 팁
    Tips Voor Probleemoplossing Voor Codec-tests
    Felsökningstips För Codec-tester
    Советы по устранению неполадок при тестировании кодеков
    Suggerimenti Per La Risoluzione Dei Problemi Relativi Ai Test Dei Codec
    Conseils De Dépannage Pour Les Tests De Codec
    Wskazówki Dotyczące Rozwiązywania Problemów Podczas Testów Kodeków