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Thread: Rasberry Pi - nothing ... nothing .. nothing .. Gor Blimey

  1. #11
    Join Date: Feb 2011

    Location: Wales

    Posts: 8,043
    I'm NotAnAudiophile.

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    Quote Originally Posted by ReggieB View Post
    It makes browsing my music collection a joy.
    sure does


    Some people have no idea what they're doing and a lot of them are really good at it.
    George Carlin

    Boycott the US

  2. #12
    Join Date: May 2010

    Location: Worcestershire, UK

    Posts: 1,121
    I'm Rob.

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    The available digital filters are:

    - FIR interpolation with de-emphasis
    - Low latency IIR with de-emphasis
    - Fixed process flow
    - High attenuation with de-emphasis
    - Ringing-less low latency FIR

    The chipset documents mention the filtering facility but I'm struggling to find any specifics as to how each filter alters the output signal.

    "Low latency IIR with de-emphasis" is my favourite at the moment. It seems to make the sound fresher and more open. My DAC came with "FIR interpolation with de-emphasis" set out of the box.
    Last edited by ReggieB; 03-04-2015 at 20:50.
    Rob.
    Powered by crossed fingers and clenched buttocks

  3. #13
    Join Date: May 2010

    Location: Worcestershire, UK

    Posts: 1,121
    I'm Rob.

    Default

    Rob.
    Powered by crossed fingers and clenched buttocks

  4. #14
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by ReggieB View Post
    The available digital filters are:

    - Ringing-less low latency FIR
    That's my fav (but there's not a lot in it)...

    Like you, my DAC came with "FIR interpolation with de-emphasis" set out of the box.

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  5. #15
    Join Date: Feb 2008

    Location: Down South

    Posts: 2,411
    I'm Neal.

    Default

    I hope Gordon has made enough of them! 250 waiting already I would hate to miss out!
    Listening in a Foo free Zone...

    Only a Sith deals in absolutes.

  6. #16
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Quote Originally Posted by NRG View Post
    I hope Gordon has made enough of them! 250 waiting already...
    And all because of my thread here...

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  7. #17
    Join Date: May 2010

    Location: Worcestershire, UK

    Posts: 1,121
    I'm Rob.

    Default

    Just got up, and first album on is Pink Floyd's Dark Side of the Moon. Absolutely flaming fabulous!

    The one thing I keep returning to, is that Pi/IQAudIO set up is very unforgiving of poor quality rips. However, with good quality source files, it is stunningly good. My Hi-Fi equipment is just disappearing, to be replaced by a group of musicians joining me in the front room for a jam.

    Love it, love it, love it.
    Rob.
    Powered by crossed fingers and clenched buttocks

  8. #18
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Superb news, muchacho! The Marco-boy doesn't rave about something for nothing...

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  9. #19
    Join Date: Apr 2012

    Location: Near Oxford

    Posts: 1,228
    I'm Bill.

    Default

    Marco,

    After all this raving about the Pi and IQaudIO DAC, I now think it's your responsibility to post a 'how do' on set up and configuration, any chance?

    Cheers,

    Bill.

  10. #20
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Yes, once I've finished learning 'how to do it' myself!



    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

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