From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id A453592 for ; Wed, 10 Aug 2016 00:17:41 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 47D2A19F for ; Wed, 10 Aug 2016 00:17:40 +0000 (UTC) Received: by mail-wm0-f54.google.com with SMTP id o80so68625485wme.1 for ; Tue, 09 Aug 2016 17:17:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=0ecXynShEsBEc12E5KZfm9c2+Rej1SOIdgn8rZyEpJI=; b=kpemBuV3RTA1SJKgBQPJXLHLecOR6I6PWTadI7KPbUPncbVSuQUw0nAo9XcKl4JxtN gKjblY5w123ZFlq8mUdZGanTXnqBCqZG8tFCOaqjXP5bZuvCTDpJNoDfcrBDN2ctEdjn h70XfTAK+6gORIMwEpWad7kzcEtizKRTOA36EVC87sLJCTbKpUqHZYvdYElayFFy4PiS 3JWg4mIplXv3ppGr3X8W4JveqU/By/5NzS47LcxV+VFErTRUUssXJanyPr0XY8rIxVDd IeR4LzUQnGwoEUI/cfV5ZM8zBSZbXr/go6GpsSRf8z8KqxcjECfWRiWkstlFFIOoWHnr rtkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=0ecXynShEsBEc12E5KZfm9c2+Rej1SOIdgn8rZyEpJI=; b=KVCtMDBeuUWPjjJ96C9LdDDVgqE7l8xgOX1/cV4uQjH9D8pXPBdHS/hGCBfONppFbS ij25+a+4DHJLv/hINw8KsAKh17PHe+C7lTc29fAp5U/Q/cuzOXOR7zcD/ib9iyspBR+8 3Ufo7Zvb686J7x8F6uzNvhwetKcVb2KyU1Tfv0BEGGYAkPnzn6i2XgYUZwH7bp4yjqz1 oNzZ4z/X3qjgjraRkru55Fi3zcY80xBv+hb+ZSblWLL7aSius4anmgezcofH9uiivdZ+ UNTt4wKdOgAhq6gVAKanzXpwRdyv10mAq+bqfrqp2KxoZRFENTIS2eyT7/rjByKodtiw odIg== X-Gm-Message-State: AEkoouuQTB4E2qvurCq3fWhlO8RoH73g+Iu8zkCwft9A5Sxw8QNft/HxceIcqV9SvxStcw== X-Received: by 10.194.133.200 with SMTP id pe8mr909005wjb.14.1470788258436; Tue, 09 Aug 2016 17:17:38 -0700 (PDT) Received: from mail-wm0-f53.google.com (mail-wm0-f53.google.com. [74.125.82.53]) by smtp.gmail.com with ESMTPSA id gg10sm40254057wjd.4.2016.08.09.17.17.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Aug 2016 17:17:37 -0700 (PDT) Received: by mail-wm0-f53.google.com with SMTP id i5so68819673wmg.0 for ; Tue, 09 Aug 2016 17:17:36 -0700 (PDT) X-Received: by 10.28.198.140 with SMTP id w134mr56841wmf.30.1470788256496; Tue, 09 Aug 2016 17:17:36 -0700 (PDT) MIME-Version: 1.0 Received: by 10.194.126.103 with HTTP; Tue, 9 Aug 2016 17:17:35 -0700 (PDT) Received: by 10.194.126.103 with HTTP; Tue, 9 Aug 2016 17:17:35 -0700 (PDT) In-Reply-To: References: From: Jannes Faber Date: Wed, 10 Aug 2016 02:17:35 +0200 X-Gmail-Original-Message-ID: Message-ID: To: Daniel Hoffman , Bitcoin Dev Content-Type: multipart/related; boundary=94eb2c1932749203000539ac93b8 X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,FREEMAIL_REPLY,HTML_MESSAGE, RCVD_IN_DNSWL_LOW autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] BIP Number Request: Addresses over Audio X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Aug 2016 00:17:41 -0000 --94eb2c1932749203000539ac93b8 Content-Type: multipart/alternative; boundary=94eb2c1932749202fb0539ac93b7 --94eb2c1932749202fb0539ac93b7 Content-Type: text/plain; charset=UTF-8 Wow. No value judgement, but 1980 called, they want their radio broadcast for analogue modems back. Both very cool and very cringe worthy. It sounds quite horrible tbh. Imagine this being as pervasive as bar and qr codes. And it's as meaningful and unpleasant to the human ear as a qr code is to the eye. Please think of something like using a Mozart symphony as the carrier wave onto which you modulate your signal. Let the notes last a little longer to represent a 1 bit. Or change the tempo. Or add an echo. Make it so the listener can interpret it as a generic not too annoying tune and not even realise it's different every time without being an audiophile. Maybe have a 100 different base tunes from mozart to hiphop so the user can pick one suitable to their audience and context. Maybe have some that don't interfere with human speech frequencies so narrator can keep talking right over it. I guess it may be tricky because you want your signal to survive re-encoding as increased playback speeds. Another consideration: you want a preamble that is very easy to detect, so it doesn't cost a lot of CPU (battery) to have your podcast player continuously scanning for these things. Not sure all these wishes are possible at the same time, but surely there's research around on some?. On 10 Aug 2016 1:28 a.m., "Daniel Hoffman via bitcoin-dev" < bitcoin-dev@lists.linuxfoundation.org> wrote: > I have updated the GitHub a lot (changed tones to be less chirpy, fixed > some smalls) and made a couple of samples (see attachment for MP3 and FLAC > of both tone tables, first 16 then 4). Is this good enough to warrant an > official BIP number? I haven't built a decoder yet, but it seems like the > encoder is working properly (looked at Audacity, seems like it is working), > and some people on reddit want to "allow for decoding experiments" > > > What suggestions do you all have for it? > > On Mon, Aug 8, 2016 at 8:50 PM, Daniel Hoffman > wrote: > >> It wouldn't be feasible in the vast majority of cases, but I can't think >> of a reason why it can't be built into the standard. >> >> On Mon, Aug 8, 2016 at 5:59 PM, Trevin Hofmann via bitcoin-dev < >> bitcoin-dev@lists.linuxfoundation.org> wrote: >> >>> Would it be feasible to transmit an entire BIP21 URI as audio? If you >>> were to encode any extra information (such as amount), it would be useful >>> to include a checksum for the entire message. This checksum could possibly >>> be used instead of the checksum in the address. >>> >>> Trevin >>> >>> On Aug 8, 2016 3:06 PM, "Justin Newton via bitcoin-dev" < >>> bitcoin-dev@lists.linuxfoundation.org> wrote: >>> >>>> Daniel, >>>> Thanks for proposing this. I think this could have some useful use >>>> cases as you state. I was wondering what you would think to adding some >>>> additional tones to optionally denote an amount (in satoshis?). >>>> >>>> (FYI, actual link is here: https://github.com/Dako300/BIP ) >>>> >>>> Justin >>>> >>>> On Mon, Aug 8, 2016 at 2:22 PM, Daniel Hoffman via bitcoin-dev < >>>> bitcoin-dev@lists.linuxfoundation.org> wrote: >>>> >>>>> This is my BIP idea: a fast, robust, and standardized for representing >>>>> Bitcoin addresses over audio. It takes the binary representation of the >>>>> Bitcoin address (little endian), chops that up into 4 or 2 bit chunks >>>>> (depending on type, 2 bit only for low quality audio like american >>>>> telephone lines), and generates a tone based upon that value. This started >>>>> because I wanted an easy way to donate to podcasts that I listen to, and >>>>> having a Shazam-esque app (or a media player with this capability) that >>>>> gives me an address automatically would be wonderful for both the consumer >>>>> and producer. Comes with error correction built into the protocol >>>>> >>>>> You can see the full specification of the BIP on my GitHub page ( >>>>> https://github.com/Dako300/BIP-0153). >>>>> >>>>> _______________________________________________ >>>>> bitcoin-dev mailing list >>>>> bitcoin-dev@lists.linuxfoundation.org >>>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> Justin W. Newton >>>> Founder/CEO >>>> Netki, Inc. >>>> >>>> justin@netki.com >>>> +1.818.261.4248 >>>> >>>> >>>> >>>> _______________________________________________ >>>> bitcoin-dev mailing list >>>> bitcoin-dev@lists.linuxfoundation.org >>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >>>> >>>> >>> _______________________________________________ >>> bitcoin-dev mailing list >>> bitcoin-dev@lists.linuxfoundation.org >>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >>> >>> >> > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > > --94eb2c1932749202fb0539ac93b7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Wow. No value judgement, but 1980 called, they want their ra= dio broadcast for analogue modems back. Both very cool and very cringe wort= hy.

It sounds quite horrible tbh. Imagine this being as pervasiv= e as bar and qr codes. And it's as meaningful and unpleasant to the hum= an ear as a qr code is to the eye.

Please think of something like using a Mozart symphony as th= e carrier wave onto which you modulate your signal. Let the notes last a li= ttle longer to represent a 1 bit. Or change the tempo. Or add an echo. Make= it so the listener can interpret it as a generic not too annoying tune and= not even realise it's different every time without being an audiophile= .

Maybe have a 100 different base tunes from mozart to hiphop = so the user can pick one suitable to their audience and context. Maybe have= some that don't interfere with human speech frequencies so narrator ca= n keep talking right over it.

I guess it may be tricky because you want your signal to sur= vive re-encoding as increased playback speeds.

Another consideration: you want a preamble that is very easy= to detect, so it doesn't cost a lot of CPU (battery) to have your podc= ast player continuously scanning for these things.

Not sure all these wishes are possible at the same time, but= surely there's research around on some?.


On 10 Aug 2016 1:= 28 a.m., "Daniel Hoffman via bitcoin-dev" <bitcoin-dev@lists.linuxfoundation.org= > wrote:
I have updated the GitHub a lot (ch= anged tones to be less chirpy, fixed some smalls) and made a couple of samp= les (see attachment for MP3 and FLAC of both tone tables, first 16 then 4).= Is this good enough to warrant an official BIP number? I haven't built= a decoder yet, but it seems like the encoder is working properly (looked a= t Audacity, seems like it is working), and some people on reddit want to "allow for decoding e= xperiments"

What suggestions do you all have for it?

On Mon, Aug 8, 2016 at 8:50 PM, Daniel Hoffman <= danielhoffm= an699@gmail.com> wrote:
= It wouldn't be feasible in the vast majority of cases, but I can't = think of a reason why it can't be built into the standard.

On Mon, Aug 8,= 2016 at 5:59 PM, Trevin Hofmann via bitcoin-dev <bitc= oin-dev@lists.linuxfoundation.org> wrote:

Would it be feasible to transmit an entire BIP21 URI a= s audio? If you were to encode any extra information (such as amount), it w= ould be useful to include a checksum for the entire message. This checksum = could possibly be used instead of the checksum in the address.

Trevin


On Aug 8, 2016 3:= 06 PM, "Justin Newton via bitcoin-dev" <bitcoin-dev@lists.linu= xfoundation.org> wrote:
Daniel,
=C2=A0 =C2=A0Thanks for proposing this.=C2= =A0 I think this could have some useful use cases as you state.=C2=A0 I was= wondering what you would think to adding some additional tones to optional= ly denote an amount (in satoshis?).

(FYI, actual l= ink is here: =C2=A0https://github.com/Dako300/BIP )

Jus= tin

On= Mon, Aug 8, 2016 at 2:22 PM, Daniel Hoffman via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
This is my BIP idea: a fast, robust, and= standardized for representing Bitcoin addresses over audio. It takes the b= inary representation of the Bitcoin address (little endian), chops that up = into 4 or 2 bit chunks (depending on type, 2 bit only for low quality audio= like american telephone lines), and generates a tone based upon that value= .=C2=A0This started because I wanted an easy way to donate to podcasts that= I listen to, and having a Shazam-esque app (or a media player with this ca= pability) that gives me an address automatically would be wonderful for bot= h the consumer and producer. Comes with error correction built into the pro= tocol

You can see the full specification of the BIP on m= y GitHub page (https://github.com/Dako300/BIP-0153).

_______________________________________________
bitcoin-dev mailing list
= bitcoin-dev@lists.linuxfoundation.org
https://lists.linuxfoundation.org= /mailman/listinfo/bitcoin-dev




--

<= div>
Justin W. Newton
Founder/CEO
Netki, Inc.




_______________________________________________
bitcoin-dev mailing list
= bitcoin-dev@lists.linuxfoundation.org
https://lists.linuxfoundation.org= /mailman/listinfo/bitcoin-dev


_______________________________________________
bitcoin-dev mailing list
= bitcoin-dev@lists.linuxfoundation.org
https://lists.linuxfoundation.org= /mailman/listinfo/bitcoin-dev




_______________________________________________
bitcoin-dev mailing list
bitcoin-dev@lists.= linuxfoundation.org
https://lists.linuxfoundation.org= /mailman/listinfo/bitcoin-dev

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