Linux-audio-dev

linux-audio-dev@lists.linuxaudio.org

3 participants
7541 discussions

[linux-audio-dev] Software Sequencer API?

by Sean Don

Hi, I'd like to program a "player piano" under GNU/Linux for OSS/Lite. All it would do is play MIDI files and light up a song's notes on a graphical keyboard. Unfortunately, my old SB16 sound card does not have AWE support and its Yamaha OPL3 FM synthesizer support sounds very inorganic. Hence, I'm looking for a way to use a "software sequencer" (like Timidity.) I tried Fluidsynth, but it causes midis to break up on my computer. Here are my questions: 1. Is is possible to have a previously written player for OSS (such as SDL Mixer or Timidity) play a stream in the background, and I somehow "read into" what notes are being played at every moment so I can light up the correct piano key? Unfortunately, Timidity is stand-alone; that is, is has no developmental libraries. 2. If not, then are there any "software sequencer" (MIDI to WAV) programming *interfaces* out there that do not require ALSA (that is, that use OSS)? Thanks In Advance, Sincerely, Sean

22 years, 5 months

[linux-audio-dev] YOUR SINCERE ATTENTION IS INDEED NEEDED.

by JEFF WALTERS

CONFIDENTIAL BUSINESS PROPOSAL. Dear Freind I am compelled to write you this letter due to the situation that my former boss,the estranged president of Liberia,President Charles Taylor is facing domestically and internationally.My name is JEFF WALTERS,A friend and trusted aide to his excellency since he took over thereign of government till the year 2002 just because i know much about precious stones.In september of last year,his excellency in his usual manner struck alucrative deal with a South African precious stone miner/dealer;MrTacquel Euelfor Diamond stone valued at the sum of forty-two million united states dollars only.(USD$42).This was part of his numerous/illicit deals on precious stones that runs into hundreds of million of dollars and of several civil strife and was in Sierra leone and Angola.As usual,i was meant to be the faciliator of this deal after which the lodgement of the proceeds therefrom would be made to one of his very many coded bank accounts in Switzerland {some now frozen by Swiss athorities}.I had to think twice about that because all the previous deal i had with him,he took almost the whole income into his various foreign accounts. This made me to suggest to him about depositing the money into a security company in a trunk box as a diplomatic cargo to provide immunity for it anytime we want to move the consignment. The consignment is deposited as family treasure with diplomatic immunity.Right now i'm in Nigeria {including his excellency,as he was granted asylum by Nigerian goverment} and planning to move out when i finalise outstanding issues with him (Charles). The present dilenma,problem and stepping down of his excellency from power has given me the oppurtunity to convince him into clearing the deposit and bank his share in any account of his choice.I want to make something clear to you,i'm not going to give a penny to Charles when i clear this consignment because he has enough and i want to send 50% of the money to Liberia and Sierra leone for building of hospitals and schools in their country.They really suffered under him and it's still affecting the lifes of people down there.I want you to assist me and i will share the remaining 50% with you. I will explain the procedure on how to go about this transaction,the moment you declare your full interest to assist. You can reach me through my private email address:(jeffwalters@post.cz). I await your full co-operation to assist the victims of war. Remain Blessed. Regards MR JEFF WALTERS

22 years, 5 months

[linux-audio-dev] Calculating Latency

by Greg Reddin

What is the formula for calculating latency in Jack? For example, I start jackd with a period size of 256 and 2 periods, a sample rate of 44100. Using a mic input and FreqTweak, that's pretty close to inaudible latency to my ears. How do I calculate the actual ms value of that? I apologize if information is readily available. I couldn't find it. Thanks, Greg __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com

22 years, 5 months

[linux-audio-dev] spam?

by Juhana Sadeharju

Hello. What happened to the policy change to "only subscribers are allowed to post"? I read the replies at the time and majority was toward the change, right? Juhana

22 years, 5 months

[linux-audio-dev] GOODDAY

by SONNY LAYE & SISTER

Goodday, Please I am Master Sonny Laye, the only son of late chief Joseph Alfred Laye from Sierra Leone.I know that my message will come to you as a surprise to you but however, I am writing you in absolute confidence primarily to seek your assistance to transfer our cash of nine million eight hundred thousand dollars ($9,800,000) now in the custody of a BANK here in Abidjan to your private account pending our arrival to your country. SOURCE OF THE MONEY My late father, chief Joseph Alfred Laye , a native of mende district in the Northern province of Sierra Leone, was the general Manager of Sierra Leone mining co-operation (S.L.M.C.) Freetown. According to my father. This money was the income acquired from mining co-operation's over draft and minor sales. Before the peak of the civil war between the rebels forces of major Paul Koroma and the combined forces of ECOMOG peace keeping operation that almost destroyed My country, following the forceful removal from power of the Civilian Elected President Ahmed Tejan Kabbah by the rebels. My father had already made arrangement for his family, my mother, my little sister and myself to be evacuated to Abidjan, Cote d'Ivoire with our personal effects. My father deposited the fund in the BANK until after the war when he will join us. During the war in my country, and following the indiscriminate looting of public and Government properties by the rebel forces, the sierra Leone mining coop. Was one of the targets looted and destroyed. My father including other top Government functionaries Were attacked and killed by the rebels in November 1999 because of his relationship with the civilian Government of Ahmed Tejan Kabbah. As a result of my father death, and with the news of my uncles involvement in air crash in January, dashed our hope of survival. The untimely deaths caused my mothers heart failure and other related complications of which she later died in the hospital After we must have spent a lot of money on her. Now my 16-year-old sister and myself are alone in this strange country suffering without any care or help. Without any relation, we are now like refugees and orphans. Our only hope now is in this fund which our father deposited in the BANK To this effect, I humbly solicit your assistance in the followings ways. To assist me claim this fund from the BANK as co-beneficiary. To transfer this money in your name to your country. To make a good arrangement for a joint business investment on our behalf in your country and you being the caretaker. To secure a college for my little sister and my self in your country to further our education. And to make arrangement for our travel to meet you face to face in your country after you have transferred this fund. Most importantly. The whole documents issued after deposit are in my custody. For your assistance, I beg to concede 20% of this money to you for your efforts and assistance. Please include your phone/fax number on reply.so that i can send all the necessary documents to you. Thanks and God bless. Best regards, SonnyLaye and Sister.

22 years, 6 months

[linux-audio-dev] userspace atomic primitives for multithread and SMP applications?

by Jack O'Quin

I am looking for a good set of portable, supported atomic.h-style primitives for userspace applications. I am not especially interested in the low-level functions defined in <asm/atomic.h>. I really want something more powerful like the kernel's compare_and_swap(), cmpxchg(), test_and_set(), atomic_inc_and_return(), or fetch_and_add() primitives. My intuition is that almost everything of interest could be programmed out with a good compare_and_swap() or cmpxchg() implementation. These should work on most hardware platforms and operating systems, at least as many as are possible and practical. They should work well with both multithreaded UP and SMP. They need to work across multiple process address spaces with shared memory. I would normally want to avoid releasing different application binaries for UP and SMP. They should be realtime-safe, which means that programming things out using posix_spin_lock(), etc., is probably not good enough, except perhaps as a generic solution to handle hard-to-support platforms. While my needs are not unique to Linux audio, many audio applications probably share them. So, I wonder what other people here on LAD are doing. All I've found so far are... (*) kernel implementations of <asm/atomic.h> and <asm/system.h>. These were written for kernel use, though some also work in userspace. At least most platforms are probably fairly well tested. But, I prefer to avoid using kernel header files in application code, mostly for portability and maintenance reasons. Distributions handle them in non-standard ways, making it hard to explain to users how to resolve the dependency. Also, porting to non-Linux platforms becomes problematic. (*) glibc seems to have a good set of functions internally AFAICT, these are for the library's own use, not part of the supported external interface. I'll investigate further. (*) ardour has its own <pbd/atomic.h> This does not seem to be well tested yet. But, a recent patch by Robert Jordens at least makes it compile correctly on all the Debian platforms using #ifdef's. Since the code was taken directly from kernel sources, it is even likely to work on most of those platforms (if compiled correctly). (*) ardour has a ring queue implementation in ringbuffer.cc There is also a C version included in the JACK example-clients directory. These are excellent for some problems, but certainly not for everything. Advice or comments? -- Jack O'Quin Austin, Texas, USA

22 years, 6 months

Re: Re: [linux-audio-dev] ladspa diff

by Taybin Rutkin

I've found that randomizing control ports in amSynth to be a fun, interesting, and productive way of finding new sounds. We need a HINT because not all ports should change when a global randomize command is given, such as a gain control. Taybin -------Original Message------- From: Richard Guenther <rguenth(a)tat.physik.uni-tuebingen.de> Sent: 09/09/03 10:25 AM To: lad <linux-audio-dev(a)music.columbia.edu> Subject: Re: [linux-audio-dev] ladspa diff > > On Tue, 8 Sep 2003, Taybin Rutkin wrote: > Here's a ladspa diff with LADSPA_HINT_MOMENTARY and > LADSPA_HINT_RANDOMISABLE. > > Comments please? What is LADSPA_HINT_RANDOMISABLE actually useful for? Richard. >

22 years, 6 months

[linux-audio-dev] Confidential

by DR MIKE EFOSA

Attn:President/C.e.o. Strictly Confidential & Urgent Business Proposal. Re: Transfer Of Usd $21,500.000{Twenty - One Million, Five Hundred Thousand Us Dollars Only. I am a member of the Federal Government Of Nigerian National Petroleum Corporation (N.N.P.C). Sometime ago, a contract was awarded to a foreign firm in the Petroleum Trust Fund (P.T.F.) BY MY COMMITTEE. This contract was over invoiced to the tune of us$ 21.5Million Dollars. This was done delibrately. The over - invoicing was a deal by my committee to benefit from the project. We now want to transfer this money, which is in a suspense account with the P.T.F. into any oversea account, which we expect you to provide for us. Share: 60 % of the money would be for my partners and I. 30 % of the money would be yours, for providing us with logistics, which, would include a safe bank account, where we shall facilitate funds transfer into, as soon as documentations are concluded over here. 10 % of the money has been mapped out from the total sum to cover any expenses that might be incurred during the course of the transaction, (both local and international expenses). If interested in assisting us, please contact me via my secured email address, as soon as possible (mikeefosa(a)hknetmail.com) It may interest you to know that a similar transaction was carried out with one Mr. Patrice Miller, President of Crane International Trading Corp., of 153 East 57th St., 28th floor, N.Y.10022, Telephone: 212-308-7788 and Telex: 6731689. The deal was concluded and all covering documents, forwarded to Mr. Miller to authenticate the claims. Once the funds were transferred, Mr. Miller presented to his bank, all the legal documents and remitted the whole funds to another bank account, and disappeared completely. My colleagues and I were shattered, since such opportunities are not easy to come by. Please, if you are interested in assisting us carry out to the fullest capacity, this transaction, we would require the following information from you which would enable us make formal application to the various ministries / parastatals, for the release and onward transfer of the money to your account. 1.Your Full Name, Company's Name, Address, Telephone and Fax Numbers. 2.Your Bank Name, Address. Telephone and Fax Number. 3.Your Bank Account Number and Beneficiary Name - You must be the signatory. Please, note that we have strong and reliable connections at the Central Bank and other Government Parastatals, hence assistance in this regards, would not be a problem. At the conclusion of this transaction, we shall use same contacts to withdraw all documents used in the course of this, to avoid any trace whatsoever that may ever arise, to you or to us, now and in the nearest possible future. It might also interest you to know that we are mere civil servants who do not want to miss this opportunity, hence, we want this money transferred out, as soon as possible, before the newly democratically elected government ever think of making enquiries as regards the various activities of the past military government. Kindly contact me as soon as possible, whether or not you are interested in this deal, so that whereby you are not interested, it would give us more room to scout for another partner. But if you are interested, kindly contact me via above email, so that we can swing into action, as time is not on our part. I await in anticipation of your fullest co-operation. Yours Faithfully, Dr.Mike Efosar

22 years, 6 months

[linux-audio-dev] Csound archives?

by Juhana Sadeharju

Hello. Would anyone have Csound mailing list archives posted before Feb 1997? I could not find them from Dream at UK. Has anyone archived them privately and could give them to me? Anyone on Csound list could request them for me? Best regards, Juhana

22 years, 6 months

[linux-audio-dev] WINNING NOTIFICTION

by lotteriaprimitiva67＠latinmail.com

CALLE MARIA MOLINA 67 Tel:0034 665 092 229 Fax:0034 91 615 33 66 E-mail: lotteria_laprimitiva(a)latinmail.com FROM: THE DESK OF THE PROMOTIONS DIRECTOR, INTERNATIONAL PROMOTIONS/PRIZE AWARD DEPARTMENT, REF: LP/26510460037/03 BATCH: 24/00319/IPD RE: AWARD NOTIFICATION FINAL NOTICE We are pleased to inform you of the release today, 29th August 2003,of the ELGORDO SWEEPSTAKE LOTTERY/INTER-NATIONAL PROGRAMS held on the 25th August,2003. Your name attached to ticket number 025 11464992-750 with serial number 2113-05 drew the lucky number 3-18-19-30-32-40, which consequently won the lottery in the 1st category. You are therefore been approve for the lump sum pay out of �uros 911764.47. (Nine hundred and eleven thousand seven hundred and sistyfour .fourty seven cents.) in cash credit to the file REF: LP/26510460037/03. This is from a total prize of �uros 15,500,000.00 share among the seventeen (17) International winners in this category. CONGRATULATION! Your fund is now deposited with a Security Company MADRID CREDIT COMMISION. Due to the mixed up of some numbers and names, we ask that you keep this award a top secret from the public notice until your claim as been processed and your prize money remitted to your account as this is a part of our Security protocol to avoid double claiming award or unwarranted taking advantage of this program by participants. All participants were selected through a computer ballot system drawn from 25,000 names from Australia, USA, Europe, Asia ,New Zealand, Middle-East and South-North America .As part of our international promotions program, which we conducted once in a year. We hope with a part of your prize, you will take part in our end of the year high stake �uros 300 Million International Lottery. To being your claim, please contact the issuing authority, your prize claim agent, Mr Jose Carlos Blanco, (Foreign Service Manager) for processing and remittance of your prize money to a designated account of your choice. Tel: 34 -655-103-635 .Email:lottoprimitva@eresmas.com.com Remember, all prize money must be claimed not later until than the 29th September, 2003. After this date, all funds will be returned as unclaimed. Note: In order to avoid unnecessary delays and complications, please remember to quote your reference and batch numbers in every of your correspondence with your agent. Furthermore, should there be any address do inform your claims agent as soon as possible. Please remember to ask for your prize claim certificate. Congratulation again from all member of our staff and thank you for being part of our promotion program. Best regards, Director.

22 years, 6 months

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Linux-audio-dev