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Discussion Groups | TMS320C6x | 64kbps PCM
Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).
64kbps PCM - k seshu babu - Oct 25 16:48:00 2002
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hi all With DSK6711(16-bit codec) can we convert 16-bit PCM to 8-bit.Is their any method to do it without harming sample value too much thank u all seshu |
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Re: 64kbps PCM - simha j - Oct 25 18:44:00 2002
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One method is to use mu-law or A-law COMPAND Block. This can be done easily by passing the samples thro'h Compand hardware present in the Mcbsp. You need not write any software function instead you can use the on-chip hardware for this. Simha --- k seshu babu <> wrote: > hi all > > With DSK6711(16-bit codec) can we convert 16-bit PCM > to > 8-bit.Is their any method to do it without harming > sample value too much > > thank u all > > seshu |
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Re: 64kbps PCM - Jeff Brower - Oct 25 19:33:00 2002
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K Seshu Babu- > With DSK6711(16-bit codec) can we convert 16-bit PCM to > 8-bit.Is their any method to do it without harming sample value too much Try u-Law, standard telephony method to compress samples to 8-bit. I don't think the feature is built into the AD535 codec on the DSK board, so you might try simple software formula. Jeff Brower DSP sw/hw engineer Signalogic |
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